MXPA02004210A - Wrinkle resistant composition. - Google Patents
Wrinkle resistant composition.Info
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- MXPA02004210A MXPA02004210A MXPA02004210A MXPA02004210A MXPA02004210A MX PA02004210 A MXPA02004210 A MX PA02004210A MX PA02004210 A MXPA02004210 A MX PA02004210A MX PA02004210 A MXPA02004210 A MX PA02004210A MX PA02004210 A MXPA02004210 A MX PA02004210A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
- D06M23/06—Processes in which the treating agent is dispersed in a gas, e.g. aerosols
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- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/224—Esters of carboxylic acids; Esters of carbonic acid
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- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/224—Esters of carboxylic acids; Esters of carbonic acid
- D06M13/2243—Mono-, di-, or triglycerides
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
- D06M15/267—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof of unsaturated carboxylic esters having amino or quaternary ammonium groups
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- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/285—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acid amides or imides
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/356—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of other unsaturated compounds containing nitrogen, sulfur, silicon or phosphorus atoms
- D06M15/3562—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of other unsaturated compounds containing nitrogen, sulfur, silicon or phosphorus atoms containing nitrogen
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/53—Polyethers
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
- D06M15/647—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain containing polyether sequences
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- D06M7/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made of other substances with subsequent freeing of the treated goods from the treating medium, e.g. swelling, e.g. polyolefins
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- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/20—Treatment influencing the crease behaviour, the wrinkle resistance, the crease recovery or the ironing ease
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- D06M2200/40—Reduced friction resistance, lubricant properties; Sizing compositions
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- Engineering & Computer Science (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
There is provided a composition comprising a lubricant, preferably a water soluble one, and components having a deviation of fabric wrinkle recovery angle versus water of at least plus;15, whereby the combination imparts in wear wrinkle resistance to the fabric treated therewith.
Description
COMPOSITION AGAINST WRINKLES
TECHNICAL FIELD OF THE INVENTION
The present invention relates to compositions for the care of fabrics and to a method of treating fabrics to improve several of its properties, in particular the resistance to wrinkles during its use.
BACKGROUND OF THE INVENTION
Wrinkles in the fabrics are caused by bending and bending of the textile material, which puts under tension an external portion of a filament of a yarn, while putting under compression the inner portion of this yarn filament. Particularly with cotton fabrics, the hydrogen bonding that occurs between the cellulose molecules helps keep wrinkles in place. Therefore, the wrinkles of the fabrics, in particular of the clothes, are subject to tensional elastic deformation and recovery properties of the fibers constituting the yarn and the fabrics. In the modern world, with the increasing hustle, bustle and travel, there is a demand for a quick fix that will help reduce the work involved in the domestic laundry and / or the cost and time dedicated to dry cleaning or laundry. commercial. Furthermore, it is well known that by alternating cycles of use and washing of fabrics and textiles such as articles of clothing and worn garments, the appearance and integrity of the fabric and the textile articles thus used and washed will inevitably be adversely affected. Fabrics and textiles simply wear out over time and with use. The washing of fabrics and textiles is necessary to remove dirt and stains that accumulate in them during their ordinary use. However, the laundry operation alone, during many cycles, can accentuate and contribute to the deterioration of the integrity and appearance of said fabrics and textiles. Consequently, this has brought extra pressure on textile technologists to produce a product that sufficiently reduces the wrinkles of fabrics, especially clothes, while producing a good appearance through a simple proper application of a product. The prior art contains many examples of compositions for reducing wrinkles. The patent of E.U.A. No. 5,532,023, discloses aqueous wrinkle control compositions containing non-volatile silicone and film-forming polymer. Preferred silicones include reactive silicones and amino-functional silicones, known as "amodimethicone". The composition containing said silicones is applied to the fabric from a spray dispenser. It was found that in the spray treatment, an appreciable amount of the aqueous composition does not reach the fabric and falls on the floor surfaces such as rugs, carpets, concrete floors, tile floors, linoleum floors, bathroom floors, leaving a silicone layer that accumulates and / or heals and / or sticks to the floor surfaces. These silicones that accumulate on surfaces, and especially those that stick to these surfaces, are difficult to remove. In this way, the floor surfaces become slippery and can present a security risk for the members of the house. The patent of E.U.A. No. 5,573,695 discloses an aqueous wrinkle removing composition containing a vegetable oil based on a cationic quaternary ammonium surfactant and a fluorinated anionic surfactant. Similarly, the patent of E.U.A. No. 4,661, 268 discloses a wrinkle removal sprayer comprising an aqueous-alcoholic composition containing a quaternary dialkylammonium salt and a silicone surfactant and / or a fluorinated surfactant. The patent of E.U.A. No. 5,100,566 describes a method of wrinkle reduction in a fabric by spraying the fabric with an aqueous-alcoholic solution of an alkali metal salt of anionic siliconate. The patent of E.U.A. No. 4,806,254 describes an aqueous-alcoholic wrinkle removal solution in fabrics, which contains glycerin and a nonionic surfactant. In WO 98/04772 a fabric treatment against wrinkles of the fabric is provided by the application of a composition comprising a polycarboxylic acid or a derivative thereof; and then curing the composition using a domestic process. Starch is also a conventional ingredient of anti wrinkle compositions. However, although starch provides an adequate visual effect on the treated fabrics, it also gives them an undesirable stiff or starchy feel. These patents are incorporated herein by reference.
* .A i. ~ »* *« Faith * - »*» ft h > . Therefore, domestic treatment of the fabric is a problem known in the art for the formulator of laundry compositions. Accordingly, there is a need for a wrinkle reducing composition that decreases the negatives mentioned above. In addition, most approaches in the area against wrinkles have been the provision of instant wrinkle compositions. However, with the current trends of work reduction involved in ironing, it has now been found that there is a need for a composition that provides resistance against wrinkles also in use, ie, a composition that provides long-lasting benefit after of ironing and use. Moreover, there is a need for an efficient and economical composition. It has now surprisingly been found that said need is satisfied by the combination of a lubricant, preferably soluble in water, and a component that has a deviation of the wrinkle recovery angle (WRA) of a fabric against water, of at least +15 This finding is particularly surprising, especially when the component providing said deviation is a polymer. In fact, it is known that the combination of polymer and a lubricant, especially a water-soluble lubricant, frequently causes phase separation. In addition, it was found that the addition of a polymer such as starch in the first place to a composition comprising a lubricant, preferably soluble in water, gives even worse results on the performance in use. Surprisingly, it has been found that the addition of a component that provides a fabric WRA deviation of at least +15 overcomes such problems. Therefore, the present invention reduces wrinkles of fabrics, including clothes, dry-cleaning clothes, linen, bedding and drapery, by means of ironing. The present invention can be used over wet or dry clothes to relax wrinkles and give garments the appearance that they are ready to use, with lasting benefits as demanded by the hurried world of today. In a preferred aspect, an additional benefit of the composition of the present invention is that it improves the shape, body and texture of the garment. The composition of the present invention acts as an excellent aid for ironing. The present invention makes ironing easier and faster by creating less drag of the iron. The compositions of the present invention help to produce a well defined and smooth appearance.
BRIEF DESCRIPTION OF THE INVENTION
The present invention is a wrinkle-reducing composition comprising a lubricant, preferably soluble in water, and a component having a deviation in wrinkle recovery angle (WRA) of fabric against water, of at least +15. In another aspect of the invention there is provided an article of manufacture comprising the composition of the invention, such as a sprayer, an aerosol, a foam dispenser, a plate, a refill cartridge thereof containing the composition. In a further aspect of the invention, a fabric treatment method is provided for imparting benefits selected from the group consisting of: wrinkle reduction and resistance provision in use. In a preferred method, the composition is sprayed onto a cloth and the cloth is ironed. In a further aspect of the invention there is provided an article of manufacture comprising a container and the composition of the invention, in association with instructions for use, in particular instructions for use in a method wherein the composition is sprayed onto the fabric and the cloth is ironed.
DETAILED DESCRIPTION OF THE INVENTION
1) Lubricant An essential component of the invention is a lubricant, preferably a water-soluble lubricant. By means of this component, the composition provides ease of ironing while avoiding the staining of the fabric and / or the presentation of risks to the safety of the members of the house. For the purposes of the present invention, the term "water soluble" is defined as "a component that when dissolved in water at a level of 0.2% by weight, or less, at 25 ° C, forms a clear isotropic liquid". Typical water-soluble lubricants include components selected from silicone-containing nonionic surfactants, sorbitan esters, ethoxylated sorbitan esters, and mixtures thereof. Water-soluble lubricants are preferably present in an amount of 0.1% to 70% by weight of the composition, preferably 1 to 10% by weight of the composition for a diluted composition and 20 to 50% by weight of the composition for concentrated compositions. A preferred class of silicone-containing nonionic surfactants is polyalkylene oxide polysiloxanes having a hydrophobic portion of dimethylpolysiloxane and one or more polyalkylene hydrophilic side chains, and having the general formula:
R1 (CH3) 2SiO [(CH3) 2SiO] a [(CH3) (R1) SiO] b Si (CH3) 2 R1 wherein a + b is from about 1 to about 50, preferably from about 1 to about 30, preferably about 1 about 25, and each R 1 is the same or different and is selected from the group consisting of methyl and a group of poly (ethylene oxide / propylene oxide) copolymer having the general formula: - (CH 2 ) nO (C2H4?) c (C3H60) dR2, with at least one R1 being a group of poly (ethyleneoxy / propyleneoxy) copolymer, and wherein n is 3 or 4, preferably 3; c total (for all polyalkylenoxy side groups), has a value from 1 to about 100, preferably from about 6 to about 100; d total is from 0 to about 14, preferably from 0 to about 3; and very preferably d is 0; c + d total has a value from about 5 to about 150, preferably from about 7 to about 100, and each R2 is the same or different and is selected from the group consisting of hydrogen, an alkyl having 1 to 4 carbon atoms; carbon, and an acetyl group, preferably hydrogen and methyl group. Each polyalkylene oxide polysiloxane has at least one R1 group which is a poly (ethylene oxide / propylene oxide) copolymer group. Non-limiting examples of this type of surfactants are the Silwet® surfactants available from OSl Specialties Inc., a division of
, t 4 i l- - ?. ü t,,. * -. ». - -. .. , ". ..., ua *** Witco, Danbury, Connecticut. The following are representative Silwet® surfactants containing only ethyleneoxy groups (C2H4O). Name PM average a + b average c total average L-7608 600 1 8 L.7607 1, 000 2 17 L-77 600 1 9 L-7605 6,000 20 99 L-7604 4,000 21 53 L-7600 4,000 11 68 L- 7657 5,000 20 76 L-7602 3,000 20 29 L-7622 10,000 88 75
The following are non-limiting examples of Silwet® surfactants containing both ethyleneoxy (C2H4O) and propyleneoxy (C3H6O) groups. Name Average PM Ratio EO / PO L-720 12,000 50/50 L-7001 20,000 40/60 L-7002 8,000 50/50 L-7210 13,000 20/80 L-7200 19,000 75/25 L-7220 17,000 20/80 Molecular weight of the polyalkylenoxy group (R1) is less than or equal to about 10,000. Preferably, the molecular weight of the polyalkylenoxy group is less than or equal to about 8,000, and preferably ranges from about 300 to about 5,000. Thus, the values of c and d can be those numbers that provide molecular weights within these scales. However, the number of ethyleneoxy units (-C2H4O) in the polyether chain (R1) must be sufficient to make the polyalkylene oxide polysiloxane soluble in water. If propyleneoxy groups are present in the polyalkylenoxy chain, they may be randomly distributed in the chain or exist as blocks. Mixtures of Silwet® surfactants containing both ethyleneoxy and propyleneoxy groups are also preferred. Preferred Silwet® surfactants are L-7001, L-7087, L-7200, L-7280, L-7600, L-7608, L-7622, L-7657. The preparation of polyalkylene oxide polysiloxanes is well known in the art. The polyalkylene oxide polysiloxanes of the present invention can be prepared according to the procedure set forth in the U.S.A. No. 3,299,112, incorporated herein by reference. Typically, the polyalkylene oxide polysiloxanes of the surfactant mixture of the present invention are readily prepared by an addition reaction between a hydrosiloxane (ie, a siloxane containing hydrogen bonded to silicon), and an alkenyl ether ( example a vinyl, allyl or metalyl ether) of a polyalkylene oxide blocked at its ends with alkoxy or hydroxy. The reaction conditions employed in addition reactions of this type are well known in the art and include in general heating the reagents (for example at a temperature of about 85 ° C to 110 ° C), in the presence of a palladium catalyst (for example chloroplatinic acid) and a solvent (for example toluene). Other preferred water-soluble lubricants of the non-ionic type are those of the sorbitan ester class and / or sorbitan ester alkyl ethoxylates. These ethoxylated sorbitan esters are formed by ethoxylation of sorbitan or its cyclic derivative, followed by esterification of one of the available hydroxy groups to introduce a long chain alkyl or alkenyl group, leaving the remaining hydroxy groups free. Compounds of this type are included in the range commercially available under the trademark TWEEN of Aldrich and of ICI United States Inc., but are also available from other suppliers, for example Radiasurf 7137 (polyethoxylated sorbitan monolaurate (20 moles)), Radiasurf 7147 (polysorbate 60), Radiasurf 7157 (polysorbate 80), commercially available from FINA, and Tween 65 (polyethoxylated sorbitan tristearate (20 moles)), Tween 20 (polyethoxylated sorbitan monolaurate (20 moles)), Tween 21 (monolaurate polyethoxylated sorbitan (4 moles), Tween 40 (polyethoxylated sorbitan palmitate (20 moles)), commercially available from Aldrich Water insoluble lubricants are also useful herein Suitable water-insoluble lubricants include cationic fabric softeners, silicones and aliphatic and cycloaliphatic hydrocarbons.
The cationic fabric softening components suitable for use herein include water-insoluble quaternary ammonium fabric softeners, with long chain dialkylammonium chloride or methylsulfate being most commonly used. Preferred cationic softeners include the following: 1) ditallowdimethylammonium chloride (DTDMAC); 2) di (hydrogenated tallow) dimethylammonium chloride; 3) di (hydrogenated tallow) dimethylammonium methylsulfate; 4) distearyldimethylammonium chloride; 5) dioleyldimethylammonium chloride; 6) dipamitylhydroxyethylmethylammonium chloride; 7) stearylbenzyldimethylammonium chloride; 8) sebotrimethylammonium chloride; 9) hydrogenated tallow (trimethylammonium) chloride; 10) alkyl (Ci2-i4) hydroxyethyldimethylammonium chloride; 11) alkyl (Ci2-i8) dihydroxyethylmethylammonium chloride; 12) di (stearoyloxyethyl) dimethylammonium chloride (DSOEDMAC); 13) di (tallowyloxyethyl) dimethylammonium chloride; 14) diseboimidazolinium mephilesulfate; 15) 1- (2-tallowamemidoethyl) -2-tallowylimidazolium methylsulfate. However, in recent years the need for materials more compatible with the environment has arisen, and rapidly biodegradable quaternary ammonium compounds have been introduced as alternatives to long-chain dialkylammonium chlorides and metisulfates, traditionally used. Said quaternary ammonium compounds contain long chain alkyl (en) yl groups interrupted by functional groups such as carboxy groups. Such materials, and fabric softening compositions containing them, are described in many publications such as EP-A-0,040,562, and EP-A-0,239,910. The quaternary ammonium compounds and the amine precursors of the present have the following formula (I) or (II):
(i) (l l)
wherein Q is selected from -O-C (O) -, -C (O) -O-, -O-C (O) -O-, NR -C (O) -, C (0) -NR4-; R1 is (CH2) n-Q-T2 or T3; R2 is (CH2) m-Q-T4 or t5 or R3;
R3 is C1-C4 alkyl or C1-C4 hydroxyalkyl or H; R 4 is H or C 1 -C 4 alkyl or C 1 -C 4 hydroxyalkyl;
. • 'i. ?, -i and & e -i, ^^^^^ ^^^^^^^^ gjjg ^ j ^ g * ^ H¡g¡ T1, T2, T3, T4 and T ^ are independently C6-C22 alkyl or alkenyl; n and m are integers from 1 to 4; and X "is an anion compatible with the softener.Non-limiting examples of anions compatible with the softener include chloride or methylsulfate.The alkyl, alkenyl or T2, T2, T3, T3, T4 and T ^ chain must contain at least 6 carbon atoms , preferably at least 11 carbon atoms, preferably at least 16 carbon atoms The chain can be straight or branched Sebum is a convenient and inexpensive source of long chain alkyl and alkenyl material. in which T "! , T2, T3, T4 and T5 represent the mixture of long chain materials typical for tallow. Specific examples of quaternary ammonium compounds suitable for use in the aqueous fabric softening compositions herein include: 1) N, N-di (tallowyloxyethyl) -N, N-dimethylammonium chloride; 2) N, N-di (tallowyloxyethyl) -N-methyl, N- (2-hydroxyethyl) ammonium methylsulfate; 3) N, N-di (2-tallowyl-oxy-2-oxo-ethyl) -N, N-dimethylammonium chloride; 4) N, N-di (2-tallowyl-oxy-ethylcarbonyl-oxy-ethyl) -N, N-dimethylammonium chloride;
* - * - 5) N- (2-tallowyl-oxy-2-ethyl) -N- (2-tallowyl-oxy-2-oxo-ethyl) -N, N-dimethylammonium chloride; 6) N, N, N-tri (tallowyloxyethyl) -N-methylammonium chloride; 7) N- (2-tallowyloxy-2-oxo-ethyl) -N- (tallowyl-N, N-dimethylammonium chloride and 8) 1,2-disodium-oxy-3-trimethylammoniopropane chloride, and mixtures of any of the above materials. Of these, compounds 1-7 are examples of compounds of formula (I); Compound 8 is a compound of formula (II). N, N-di (tallowyloxyethyl) -N, N-dimethylammonium chloride is particularly preferred, where the tallow chains are at least partially unsaturated. The level of unsaturation of the sebum chain can be measured by the iodine (IV) index of the corresponding fatty acid, which in the present case should preferably be in the range of 5 to 100, distinguishing two categories of compounds, those that have an IV of less than 25, and those that have an IV of more than 25. In reality, for compounds of formula (I) made from tallow fatty acids having an IV of from 5 to 25, preferably from 15 to 20, it has been found that a weight ratio of cis / trans isomers greater than 30/70, preferably greater than 50/50 , and most preferably greater than 70/30, provides an optimum concentration capacity.
For compounds of formula (I) made from tallow fatty acids having an IV of more than 25, it has been found that the ratio of cis to trans isomers is less critical, unless very high concentrations are required. Other examples of suitable quaternary ammonium compounds of formulas (I) and (II) are obtained, for example, by replacing "tallow" in the above compounds, for example, with coconut, palm, lauryl, oleyl, ricinoleyl, stearyl, palmitil, or similar; said fatty acyl chains being completely saturated, or preferably at least partially unsaturated; - replacing "methyl" in the above compounds with ethyl, ethoxy, propyl, propoxy, isopropyl, butyl, isobutyl or t-butyl; - replacing "chloride" in the above compounds with bromide, methylsulfate, formate, sulfate, nitrate, and the like. In fact, the anion is only present as a counter ion of the positively charged quaternary ammonium compounds. The nature of the counterion is not critical to the practice of the present invention. The scope of this invention is not considered limited to any particular anion. By "amine precursors thereof" is meant the corresponding secondary or tertiary amines of the quaternary ammonium compounds above, said amines being substantially protonated in the present compositions due to the pH values.
Other water insoluble lubricants include polyalkyl- or polyalkyloxanes with the following structure:
The substituted alkyl or aryl groups on the siloxane chain (R) or on the ends of the siloxane chains (A) can have any structure, provided that the resulting silicones remain fluid at room temperature. Preferably, the silicones are hydrophobic, are not irritating or toxic, or otherwise harmful when applied to fabrics or when in contact with human skin; they are compatible with other components of the composition; they are chemically stable under normal conditions of use and storage; and are able to deposit on cloth. The group R is preferably a phenyl, a hydroxy, an alkyl or an aryl. The two R groups on the silicon atom may represent the same or different groups. Preferably, the two R groups represent the same group, preferably a methyl, efyl, propyl, phenyl or hydroxy group; q is preferably an integer from about 7 to about 8,000.
"A" represents groups that block the ends of the silicone chains. Suitable groups A include hydrogen, methyl, methoxy, ethoxy, hydroxy, propoxy and aryloxy. Preferred silicones are polydimethylsiloxanes; highly preferred silicones are polydimethylsiloxanes having a viscosity greater than about 10000 centistokes (cst) at 25 ° C. Suitable methods for preparing these silicone materials are described in the patents of E.U.A. Nos. 2,826,551 and 3,964,500, incorporated herein by reference. Silicones useful for the present invention are also commercially available. Suitable examples include the silicones offered by Dow Corning Corporation. Other water-insoluble lubricants for use herein are hydrocarbons. Suitable hydrocarbons for use herein include, in particular, straight or branched C8-C4o paraffin hydrocarbons, or mixtures of different hydrocarbons. An important factor in the selection of suitable hydrocarbons is that they must have a liquid consistency or at most similar to wax at room temperature.
2) Component having a fabric WRA deviation from at least +15 aqua Another essential component of the invention is a component having a fabric WRA deviation of at least +15. Typically, these compounds are present in an amount of at least
«M8 ... A«. "". ». , t í - *, * - *. . * - ^^ ". *. *. . * u, ^ ... .. »... - ... i» J -? ..- ^, - £ about 0.01%, preferably from about 0.1% to about 20% by weight of the composition, preferably up to about 4% by weight of the diluted composition, and preferably up to about 12% by weight of the concentrated composition. The WRA test method is taken from the AATCC 66-1990.
This method is an American National Standard method designed for the determination of wrinkle recovery in woven fabrics, by means of which a test sample, wrinkled and compressed under controlled conditions of time and charge, is suspended in the test instrument for a period of controlled recovery, after which the recovery angle is measured. Experimental details on how to measure this WRA are given in AATCC 66-1990, incorporated herein by reference. The WRA method is tested on Oxford knitted, 100% cotton fabric, wrinkle-free, cut into twelve 1.5 cm x 4 cm samples, six with its long dimension parallel to the warp, and six with its long dimension parallel to the warp. plot. The test is carried out on fabric conditioned for 24 hours at 21 ° C and 65% RH. Three samples of each series are folded on one side and three on the other. Tongs are used to place the test sample between the sheets of the sample holder (2 overlapping sheets of 1.6 cm in width, but of different lengths, and held together at one end) with one end directly below the 1.8 cm mark. With the tweezers, the exposed end of the sample is raised and turned towards the 1.8 cm mark on the short thin metal sheet and held with the left thumb nail. The fastener with the sample is inserted in a plastic press (2 overlapping sheets of equal length (9.5 cm) and 2 cm wide, held together at one end), and a weight of 500 g is applied for 5 minutes, in order to form a fold. The plastic press is then removed and the sample holder combination can be inserted into the tester with the exposed end of the sample holder in the mounting on the front of the tester. The fold should be aligned with a point in the center of the test disk, and the hanging part of the sample should be immediately aligned with the vertical guide line. To eliminate gravitational effects, the hanging part of the sample is aligned with the vertical guideline during the 5 minute recovery period. It is adjusted every 15 seconds during the first minute and then once every minute. Five minutes after removing the bending load, the wrinkle recovery value is read to the nearest degree of scale. The sum of the average recovery is taken for all the warp readings and all the plot readings, and compared with a water treated cloth. The components defined by their WRA are well known in the art. For example, in JAPS Vol. 15, p. 341-349 (1971), as well as in the Textile Research Journal, p. 199-201, February, 1970, several examples of components defined by a WRA are given, all of which are included within the scope of the present invention. The fabric WRA obtained with the tested component is compared to the fabric WRA obtained with water, thereby resulting in a deviation? A component that provides one? of at least (+) 15, positive, which preferably has one? within the range of 15-30, it is a suitable component for the invention. The following represents the deviation of WRA against water of different polymers suitable for use in the present invention, and in accordance with the above-mentioned process. In each case, the numbers are arithmetic averages of 9 duplicates, and the results are statistically significant at 95% confidence level:
-IMO 900: Oligosaccharide isomaltosa from Showa Sangyo Co. -Avalure AC 120: Polyacrylate from BF Goodrich -Luviquat FC 905: copolymer of vinylimidazolium methochloride and vinylpyrrolidone from BASF. Preferred components having a WRA deviation of fabric against water of at least 15 are selected from (a) shape retention polymers, (b) polymers comprising at least one unit that provides a transfer inhibition benefit of coloring, (c) polyurethanes, (d) isomaltooligosaccharides, (e) polyamine polymers, (f) amphoteric polymers, (g) aminosilicones, (h) curable silicones, and mixtures thereof. Polymers that are soluble in water are highly preferred. In addition, as used herein, "component" includes compounds having a WRA deviation against water of at least 15, mixtures of said components, as well as mixtures of components that do not per se have a WRA deviation against water of at least 15, but that, in combination, if they have a WRA deviation against water of at least 15. One such component is described and claimed in copending application EP 99870222.9-2413.
(a) Form retention polymer Suitable retention polymers can be natural or synthetic and can act to form a film and / or provide adhesive properties. For example, the present invention may optionally use a film-forming polymer and / or adhesive to impart shape retention to the fabric, particularly clothing. By "adhesive" is meant that when applied as a solution or dispersion to a fiber surface, and dried, the polymer can be fixed to the surface. The polymer can form a film on the surface, or when it resides between two fibers and in contact with the two fibers, it can bind the two fibers. Other polymers, such as isomaltose oligosaccharide, can form a film and / or bond the fibers together when the treated fabric is pressed by a hot plate. Said film will have adhesive strength, cohesive breaking strength and cohesive breaking deformation.
iii A, JU A A - Non-limiting examples of natural polymers are isomaltose oligosaccharide and its derivatives, and chitins and their derivatives. The synthetic polymers useful in the present invention are comprised of monomers. Some non-limiting examples of monomers that can be used to form the synthetic polymers of the present invention include: organic monocarboxylic acids and unsaturated polycarboxylic acids of Ci-Cβ of low molecular weight, such as acrylic acid, methacrylic acid, crotonic acid, maleic acid and its semi-esters, itaconic acid, and mixtures thereof; esters of said acids with C? -C12 alcohols such as methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, 2-methyl-1-propanol, 1-pentanol, 2-pentanol, 3-pentanol, 2- methyl-1-butanol, 1-methyl-1-butanol, 3-methyl-1-butanol, 1-methyl-1-pentanol, 2-methyl-1-pentanol, 3-methyl-1-pentanol, t-butanol, cyclohexanol, 2-ethyl-1-butanol, neodecanol, 3-heptanol, benzyl alcohol, 2-octanol, 6-methyl-1-heptanol, 2-ethyl-1-hexanol, 3,5-dimethyl-1-hexanol, 3 , 5,5-trimethyl-1-hexanol, 1-decanol, 1 -dodecanol and the like, and mixtures thereof. Non-limiting examples of such esters are methyl acrylate, ethyl acrylate, t-butyl acrylate, methyl methacrylate, hydroxyethyl methacrylate, methoxyethyl methacrylate, and mixtures thereof; amides and imides of said acids, such as N, N-dimethylacrylamide, N-butyl acrylamide, maleimides; low molecular weight unsaturated alcohols such as vinyl alcohol (produced by the hydrolysis of vinyl acetate after polymerization), allyl alcohol; esters of said alcohols with low molecular weight carboxylic acids, such as vinyl acetate, vinyl propionate; ethers of said alcohols, such as methylvinyl ether; aromatic vinyl such as styrene, alpha-methylstyrene, t-butylstyrene, vinyltoluene, polystyrene macromer, and the like; polar vinyl heterocycles such as vinylpyrrolidone, vinylcaprolactam, vinylpyridine, vinylimidazole, and mixtures thereof; other unsaturated amines and amides such as vinylamine, diethylene triamine, dimethylaminoethyl methacrylate, ethenylformamide; vinyl sulfonate; salts of the acids and amines mentioned above; unsaturated hydrocarbons of low molecular weight and their derivatives, such as ethylene, propylene, cyclohexadiene, vinyl chloride; vinylidene chloride; and mixtures thereof, and quaternized alkyl derivatives thereof, and mixtures thereof. Preferably, said monomers are selected from the group consisting of vinyl alcohol; acrylic acid; methacrylic acid; methyl acrylate; ethyl acrylate; methyl methacrylate; t-butyl acrylate; t-butyl methacrylate; n-butyl acrylate; n-butyl methacrylate; isobutyl methacrylate; 2-ethylhexyl methacrylate; dimethylaminoethyl methacrylate; N, N-dimethyl acrylamide; N, N-dimethyl-methacrylamide; N-t-butyl-acrylamide; Vinylpyrrolidone; vinylpyridine; adipic acid; diethylenetriamine; salts thereof and quaternized alkyl derivatives thereof, and mixtures thereof. Preferably, said monomers form homopolymers and / or copolymers (ie, the film-forming polymer and / or adhesive) having a glass transition temperature (Tg) of from about -20 ° C to about 150 ° C, preferably from about -10 ° C to about 150 ° C, and preferably about 0 ° C to
• - -i. * I.
approximately 100 ° C; it is highly preferred that the adhesive polymer herein, when dried to form a film, have a Tg of at least about 25 ° C, so that it is not unduly "sticky" to the touch. Preferably, said polymer is soluble and / or dispersible in water and / or alcohol. Said polymer typically has a molecular weight of at least about 500, preferably from about 1,000 to about 2,000,000, preferably from about 5,000 to about 1,000,000, and from about 30,000 to about 300,000 is most preferred for some polymers. Some non-limiting examples of homopolymers and copolymers that can be used as film-forming polymers and / or adhesives of the present invention are: adipic acid / dimethylaminohydroxypropyl-diethylenetriamine copolymer; adipic acid / epoxypropyl diethylenetriamine copolymer; poly (vinylpyrrolidone / dimethylaminoethyl methacrylate); polyvinyl alcohol; N-oxide polyvinylpyridine; methacryloylethylbetaine / methacrylate copolymer; ethyl acrylate / methyl methacrylate / methacrylic acid / acrylic acid copolymer; polyamine resins; and polyquaternary amine resins; poly (etenylformamide); poly (vinylamine) hydrochloride; poly (vinyl alcohol-co-vinylamine 6%); poly (vinyl alcohol-co-vinylamine 12%); poly (vinyl alcohol-co-vinylamine hydrochloride 6%); and poly (vinyl alcohol-co-vinylamine hydrochloride 12%). Preferably, said copolymers and / or homopolymers are selected from the group consisting of adipic acid / dimethylaminohydroxypropyl diethylenetriamine copolymer; poly (vinylpyrrolidone / dimethylaminoethyl methacrylate); polyvinyl alcohol; ethyl acrylate / methyl methacrylate / methacrylic acid / acrylic acid copolymer; methacryloylethylbetaine / methacrylate copolymer; polyquaternary amine resins; poly (etenylformamide); 5-poly (vinylamine) hydrochloride; poly (vinyl alcohol-co-vinylamine 6%); poly (vinyl alcohol-co-vinylamine 12%); poly (vinyl alcohol-co-vinylamine hydrochloride 6%); and poly (vinyl alcohol-co-vinylamine hydrochloride 12%). Preferred polymers useful in the present invention are selected from the group consisting of copolymers of hydrophilic monomers
10 and hydrophobic monomers. The polymers can be linear, random or block copolymers, and mixtures thereof. Said hydrophobic / hydrophilic copolymers typically have a ratio of hydrophobic monomer / hydrophilic monomer from about 95: 5 to about 20:80, preferably about 90:10 to
About 40:60, preferably from about 80:20 to about 50:50 by weight of the copolymer. The hydrophobic monomer may comprise a single hydrophobic monomer or a mixture of hydrophobic monomers, and the hydrophilic monomer may comprise a single hydrophilic monomer or a mixture of hydrophilic monomers. The term
"Hydrophobic" is used herein consistently with its normal meaning of lack of affinity for water, while "hydrophilic" is used here consistently with its normal meaning of affinity for water. As used here in relation to monomer units and materials
polymeric, including copolymers, "hydrophobic" means substantially insoluble in water; "hydrophilic" means substantially soluble in water. In this regard, "substantially insoluble in water" refers to a material that is not soluble in distilled water (or equivalent), at 25 ° C, at a concentration of about 0.2% by weight, and preferably is not soluble at about 0.1. % by weight (calculated on a weight basis of water plus monomer or polymer). "Substantially soluble in water" refers to a material that is soluble in distilled water (or equivalent) at 25 ° C, at a concentration of about 0.2% by weight, and preferably soluble at about 1% by weight. The terms "soluble", "solubility" and the like, for purposes of the present, correspond to the maximum concentration of monomer or polymer, as applicable, which can be dissolved in water or other solvents to form a homogeneous solution, as is well understood by the expert in the field. Non-limiting examples of useful hydrophobic monomers are C-I-C-IS alkyl esters of acrylic acid, such as methyl acrylate, ethyl acrylate, t-butyl acrylate.; alkyl methacrylate C-rdβ esters, such as methyl methacrylate, 2-ethylhexyl methacrylate, methoxyethyl methacrylate, vinyl alcohol esters of carboxylic acids, such as vinyl acetate, vinyl propionate, vinyl neodecanoate; aromatic vinyls such as styrene, t-butyl styrene, vinyltoluene; vinyl ethers such as methylvinyl ether; vinyl chloride; vinylidene chloride; ethylene, propylene and other unsaturated hydrocarbons; and the like, and mixtures thereof. Some preferred hydrophobic monomers are methyl acrylate, methyl methacrylate, t-butyl acrylate, t-butyl methacrylate, n-butyl acrylate, n-butyl methacrylate and mixtures thereof. Non-limiting examples of useful hydrophilic monomers are organic monocarboxylic and polycarboxylic acids, such as acrylic acid, methacrylic acid, crotonic acid, maleic acid and its semi-esters, itaconic acid; unsaturated alcohols such as vinyl alcohol, allyl alcohol; polar vinyl heterocycles such as vinylpyrrolidone, vinylcaprolactam, vinylpyridine, vinylimidazole; vinylamine; vinyl sulfonate; unsaturated amides such as acrHamides, for example N.N.dimethylacrylamide, N-t-butylacrylamide; hydroxyethyl methacrylate; dimethylaminoethyl methacrylate; salts of the amines and amines mentioned above; and the like; and mixtures thereof. Some preferred hydrophilic monomers are acrylic acid; methacrylic acid; N, N-dimethylacrylamide, N, N-dimethylmethacrylamide, N-t-butyl-acrylamide, dimethylaminoethyl methacrylate; Vinylpyrrolidone; salts thereof and quaternized alkyl derivatives thereof, and mixtures thereof. Preferably, the shape-retaining copolymers contain hydrophobic monomers and hydrophilic monomers comprising monocarboxylic acid and unsaturated organic polycarboxylic monomers, such as acrylic acid, methacrylic acid, crotonic acid, maleic acid and its semi-esters, itaconic acid and its salts, and mixtures thereof. thereof; and optionally other hydrophilic monomers. These preferred polymers of the present invention surprisingly provide control of certain amine-type odors in the fabrics, in addition to providing the wrinkle control benefit in the fabric. Examples of the hydrophilic monomers of unsaturated organic monocarboxylic and polycarboxylic acids are acrylic acid, methacrylic acid, crotonic acid, maleic acid and its half esters, itaconic acid, and mixtures thereof. Non-limiting examples of the hydrophobic monomers are the esters of organic monocarboxylic and organic polycarboxylic acids mentioned above with C1-C12 alcohols such as methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, 2-methyl-1-propanol , 1-pentanol, 2-pentanol, 3-pentanol, 2-methyl-1-butanol, 1-methyl-1-butanol, 3-methyl-1-butanol, 1-methyl-1-pentanol, 2-methyl-1 pentanol, 3-methyl-1-pentanol, t-butanol, cyclohexanol, 2-ethyl-1-butanol, and mixtures thereof, preferably methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, 2- methyl-1-propanol, t-butanol, and mixtures thereof. The compositions containing these polymers may also comprise perfume, antimicrobial active agent, odor control agent, static control agent, and mixtures thereof. It is not intended to exclude the use of higher or lower levels of the polymers, provided that an effective amount is used to provide adhesive and film forming properties to the composition, and the composition can be formulated and effectively applied for the use that The intention is to. The highly preferred adhesive and / or film-forming polymers that are useful in the composition of the present invention actually contain portions of silicone in the polymers themselves. These preferred polymers include graft and silicone block copolymers with portions containing hydrophilic and / or hydrophobic monomers, such as those described herein above. The silicone-containing copolymers in the composition of the present invention provide the fabric with retention of shape and body, and / or pleasant, soft feel of the fabric. In the present invention, graft and block copolymers containing silicone have the following properties: (1) the silicone portion is covalently bound to the non-silicone portion; (2) the molecular weight of the silicone portion is from about 1,000 to about 50,000; and (3) the non-silicone portion must make all of the copolymer soluble or dispersible in the vehicle of the wrinkle control composition, and must allow the copolymer to deposit or adhere to the treated fabrics. Suitable silicone copolymers include the following: preferred silicone-containing polymers are silicone graft copolymers comprising acrylate groups; they are described, together with methods for their preparation, in the patent of E.U.A. No. 5,658,557 to Bolich et al., Issued August 19, 1997; the patent of E.U.A. No. 4,693,935, Mazurek, issued September 15, 1987; and the patent of E.U.A. No. 4,728,571, Clemens et al., Issued March 1, 1988. Additional silicone-containing polymers are disclosed in the U.S. Patents. Nos. 5,480,634, Hayama et al., Issued October 2, 1996; 5,166,276, Hayama et al., Issued November 24, 1992; 5,061, 481, issued October 29, 1991; Suzuki and others; 5,106,609, Bolich et al., Issued April 21, 1992; 5,100,658, Bolich et al., Issued March 31, 1992; 5,100,657, Ansher-Jackson et al., Issued March 31, 1992; 5,104,646, Bolich et al., Issued April 14, 1992; all of which are incorporated herein by reference. These polymers preferably include copolymers having a polymeric vinyl backbone grafted with monovalent siloxane polymer portions, and components consisting of non-silicone hydrophilic and hydrophobic monomers. The silicone-containing monomers are exemplified by the general formula: X (Y) n Si (R) 3.mZm wherein X is a polymerizable group such as a vinyl group, which is part of the polymer backbone; And it is a divalent linker group; R is a hydrogen, hydroxyl, lower alkyl (for example C1-C4), aryl, alkoxy or alkylamino; Z is a portion of monovalent polymeric siloxane having an average molecular weight of at least about 500, is essentially non-reactive under copolymerization conditions, and is
*. s. , pendant of the polymeric vinyl skeleton described above; n is 0 or 1; and m is an integer from 1 to 3. The preferred silicone-containing monomer has a weight average molecular weight of from about 1,000 to about 50,000, preferably from about 3,000 to about 40,000, preferably from about 5,000 to about 20,000. Non-limiting examples of silicone-containing monomers have the following formulas:
10 O X-C-O- (CH2) q- (O) p-Si (R1) 3.mZm
X-Si (R1) 3.mZ "nm
X- - (CH2 V), z - (0) p- S¡ (R1 m 15
O OH R "II I I - X-C-O-CH ^ - CH-CH ^ - N- (CH2) - Si (R1) 3 Z, m 20
O H O R "X-C-O- (CH2) 2-N-C-N- (CH2) - Si (R1) 3.mZm
imir lftMfl'H '' *** - * -i. -? < TO*-? ,? A i. »». jí. & *-*%- " " 4- "-" . and > .TO. - - to «tt« to * & ,., -? me? if t .. »» ti 'f ll íßfifi ¡¡s? e? A In these structures, m is an integer of 1 to 3, preferably 1; p is 0 or 1; q is an integer from 2 to 6; n is an integer from 0 to 4, preferably 0 or 1, preferably 0; R1 is hydrogen, lower alkyl, alkoxy, hydroxyl, aryl, alkylamino; preferably R1 is alkyl; R "is alkyl or hydrogen, X is CH (R3) C (R4) - R3 is hydrogen or -COOH, preferably hydrogen, R4 is hydrogen, methyl or -CH2COOH, preferably methyl, Z is R5 [Si (R6) ( R7) O] r Where R5, R6 and R7 are independently lower alkyl, alkoxy, alkylamino, hydrogen or hydroxyl, preferably alkyl, and r is an integer from about 5 to about 700, preferably from about 60 to about 400, preferably from about 100 to about 300. Preferably, R5, R6 and R7 are methyl, p = 0, and q = 3. The silicone-containing adhesive and / or film-forming copolymers, useful in the present invention, comprise about 0% to about 90%, preferably from about 10% to about 80%, preferably from about 40% to about 75% of hydrophobic monomer, from about 0% to about 90%, preferably from about 5% to about 80% of hydro monomer phylic, and from about 5% to about 50%, preferably from about 10% to about 40%, most preferably from about 15% to about 25% of silicone-containing monomer. The composition of any particular copolymer will help determine its formulation properties. In fact, by appropriate selection and combination of hydrophobic, hydrophilic components and silicone-containing components, the copolymer can be optimized for inclusion in specific vehicles. For example, polymers that are soluble in an aqueous formulation preferably contain from 0% to about 70%, preferably from about 5% to about 70% hydrophobic monomer, and from about 30% to about 98%, preferably from about 30% to about 80% hydrophilic monomer, and from about 1% to about 40% silicone-containing monomer. The polymers that are dispersible preferably contain from 0% to about 70%, preferably from about 5% to about 70% hydrophobic monomer, and from about 20% to about 80%, preferably from about 20% to about 60% of hydrophilic monomer, and from about 1% to about 40% silicone-containing monomer. The silicone-containing copolymers preferably have a weight average molecular weight of from about 10,000 to about 1,000,000, preferably from about 30,000 to about 300,000.
Preferred polymers comprise a polymeric vinyl backbone, preferably having a Tg or a Tm as defined above, of about -20 ° C, and a polydimethylsiloxane macromer grafted to the backbone having a weight average molecular weight of about 1. , 000 to approximately 50,000, preferably from about 5,000 to about 40,000, preferably from about 7,000 to about 20,000. The polymer is such that when formulated into the finished composition and dried, the polymer phase is separated into a discontinuous phase that includes the polydimethylsiloxane macromer and a continuous phase that includes the backbone. Exemplary silicone grafted polymers for use in the present invention include the following, wherein the copolymer composition is given with the approximate weight percent of each monomer used in the polymerization reaction to prepare the copolymer: N, N-dimethylacrylamide copolymer / sobutyl methacrylate / (PDMS macromer - approximate molecular weight 20,000) (20/60/20 p / p / p), average molecular weight of approximately 400,000; N, N-dimethylacrylamide copolymer / (PDMS macromer-approximate molecular weight of 20,000) (80/20 w / w), average molecular weight of about 300,000; and t-butyl acrylate copolymer / N, N-dimethylacrylamide / (PDMS macromer-approximately 10,000 molecular weight) (70/10/20), of average molecular weight of about 400,000.
*. I. »» -. Highly preferred form retention copolymers of this type contain hydrophobic monomers, silicone-containing monomers and hydrophilic monomers comprising monomers of unsaturated organic mono- and polycarboxylic acids such as acrylic acid, methacrylic acid, crotonic acid, acid maleic and its semi-esters, itaconic acid, and salts thereof, and mixtures thereof. Surprisingly, these preferred polymers provide control of certain amine-like odors in the fabrics, in addition to providing the benefit of wrinkle control in the fabrics. A non-limiting example of said copolymer is the copolymer of n-butyl methacrylate / acrylic acid (polydimethylsiloxane macromer, approximate molecular weight of 20,000), average molecular weight of about 100,000, and with a monomer weight ratio of about 70 / 10/20. A most preferred copolymer is composed of acrylic acid, t-butyl acrylate and monomeric units containing silicone, preferably with from about 20% to 90%, preferably from about 30% to about 80%, preferably about 50% a about 75% t-butyl acrylate; from about 5% to about 60%, preferably from about 8% to about 45%, preferably from about 10% to about 30%, of acrylic acid; and from about 5% to about 50%, preferably from about 10% to about 40%, preferably from about 15% to about 30% of polydimethylsiloxane of a
at an average molecular weight of from about 1,000 to about 50,000, preferably from about 5,000 to about 40,000, preferably from about 7,000 to about 20,000. Non-limiting examples of copolymers of acrylic acid / t-butyl acrylate / polydimethylsiloxane macromer, useful in the present invention, with the approximate weight ratio of monomers, are: t-butyl acrylate / acrylic acid copolymer / (macromer of polydimethylsiloxane, approximate molecular weight of 10,000) (70/10/20 w / w / w), of average molecular weight of about 300,000; t-butyl acrylate / acrylic acid copolymer / (polydimethylsiloxane macromer of approximate molecular weight 10,000) (63/20/17), of average molecular weight from about 120,000 to about 150,000; and n-butyl methacrylate / acrylic acid copolymer / (polydimethylsiloxane macromer of approximate molecular weight of 20,000) (70/10/20 w / w / w), of average molecular weight of about 100,000. A commercially available and useful copolymer of this type is Diahold® ME from Mitsubishi Chemical Corp., which is a copolymer of t-butyl acrylate / acrylic acid / (polydimethylsiloxane macromer of approximate molecular weight of 12,000) (60/20/20 ), of average molecular weight of approximately 128,000.
Silicone block copolymers Silicon block copolymers comprising repeating polysiloxane block units are also useful here.
Examples of silicone-containing block copolymers are found in the U.S.A. No. 5,523,365, to Geck et al., Issued June 4, 1996; the patent of E.U.A. No. 4,689,289, issued by Crivello on August 25, 1987; the patent of E.U.A. No. 4,584,356, of 5 Crivello, issued April 22, 1986; "Macromolecular Design, Concept &Practice", ed. M.K. Mishra, Polymer Frontiers International, Inc., Hopewell Jet, New York (1994) and "Block Copolymers", by A. Noshay and JE McGrath, Academic Press, New York (1977), all of which are incorporated in full in the present as a reference Other silicone block copolymers suitable for use herein are those described, together with their methods of preparation, in the US patent. No. 5,658,577, previously referred to and incorporated. The silicone-containing block copolymers useful in the present invention can be described by the formulas A-B, A-B-A and - 15 (A-B) n-, where n is an integer of 2 or more. A-B represents a diblock structure, A-B-A represents a triblock structure, and - (A-B) n- represents a multiblock structure. The block copolymers may comprise mixtures of diblock, triblock and major multiblock combinations, as well as small amounts of homopolymers. The silicone block portion, B, can be represented by the following polymer structure: ~ (SiR2O) m ~,
• «• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • where each R is selected independently of the group consisting of hydrogen, hydroxyl, CrC6 alkyl, CrC6 alkoxy, C2-C6 alkylamino> styryl, phenyl, phenyl substituted with alkyl or C-Cß alkoxy, preferably methyl, and m is an integer of about 10 or greater , preferably about 40 or greater, preferably about 60 or greater, and most preferably about 100 or greater.The non-silicone block, A, comprises monomers selected from the monomers described herein above with reference to the non-silicone hydrophilic and hydrophobic monomers of the silicone-grafted copolymers Vinyl blocks are the preferred comonomers Block copolymers preferably contain one or more non-silicone blocks, and up to about 50%, of preferably about 10% to about 20% in weight of one or more polydimethylsiloxane blocks. Also useful herein are silicone-bonded copolymers bonded with sulfur, including block copolymers. As used herein with reference to silicone-containing copolymers, the term "bonded with sulfur" means that the copolymer contains a bond with sulfur (ie, -S-), a disulfide bond (ie, -SS-), or a sulfhydryl group (i.e., -SH). These silicon-bonded copolymers bonded with sulfur are represented by the following general formula:
wherein each G5 and GT is independently selected from the group consisting of alkyl, aryl, alkaryl, alkoxy, alkylamino, fluoroalkyl, hydrogen and -ZSA, wherein A represents a polymeric vinyl segment consisting essentially of a monomer polymerizable with free radicals , and Z is a divalent linking group (useful divalent linking groups Z include, without limitation, the following: alkylene, alkarylene, arylene and C1 to C10 alkoxyalkylene. Preferably, Z is selected from the group consisting of methylene and propylene for reasons of commercial availability); each G2 comprises A; each G4 comprises A; each R1 is a monovalent portion selected from the group consisting of alkyl, aryl, alkaryl, alkoxy, alkylamino, fluoroalkyl, hydrogen and hydroxyl (preferably R1 represents monovalent portions which may independently be the same or different, selected from the group consisting of Cu alkyl) and hydroxyl, for reasons of commercial availability, most preferably R1 is methyl); each R2 is a divalent linking group (suitable divalent linking groups include, without limitation, the following: alkylene, arylene, alkarylene and alkoxy alkylene of Ci to do, preferably R2 is selected from the group consisting of C1-3 alkylene and alkarylene of C7-C10, due to the ease of synthesis of the compound, most preferably R2 is selected from the group consisting of -CH2-, 1, 3-propylene, and
•); each R3 represents monovalent portions which can be independently the same or different, and are selected from the group consisting of alkyl, aryl, alkaryl, alkoxy, alkylamino, fluoroalkyl, hydrogen and hydroxyl (preferably R3 represents monovalent portions which can be independently the same or different, selected from the group consisting of C 1-4 alkyl and hydroxyl, for reasons of commercial availability, most preferably R 3 is methyl); each R4 is a divalent linking group (suitable divalent linking groups include, without limitation, the following: alkylene, arylene, alkarylene and C1 to C10 alkoxyalkylene, preferably R is selected from the group consisting of C1.3 alkylene and alkarylene of C7-C? o, due to the ease of synthesis, most preferably R4 is selected from the group consisting of -CH2-, 1, 3-propylene, and
•);
x is an integer of 0-3; and is an integer of 5 or more (preferably and is an integer ranging from about 14 to about 700, preferably from about 20 to about 200); and q is an integer of 0-3; where at least one of the following points is true: q is an integer of at least 1; x is an integer of at least 1; G5 comprises at least one portion -ZSA; or G comprises at least one portion -ZSA. As indicated above, A is a polymeric vinyl segment formed of monomers polymerized with free radicals. The selection of A is typically based on the intended uses of the composition and the properties that the copolymer must have to perform its function. If A comprises a block in the case of block copolymers, a polymer having AB and / or ABA architecture will be obtained, depending on whether a mercapto functional group -SH is adhered to one or both of the terminal silicon atoms of the silicone compounds. with mercapto functionality, respectively. The weight ratio of block or polymer segment, to silicone segment of the copolymer, may vary. Preferred copolymers are those in which the weight ratio of the vinyl polymer segment to the silicone segment varies from about 98: 2 to 50:50, so that the copolymer possesses inherent properties to each of the different polymer segments, retaining at the same time the general solubility of the polymer. Silicone linked copolymers with sulfur are described in more detail in the U.S.A. No. 5,468,477 to Kumar et al., Issued November 21, 1995, and to PCT application No. WO 95/03776, assigned to 3M, published February 9, 1995, which are hereby incorporated in their entirety hereby as reference.
b) Polymers comprising at least one unit that provides a dye transfer inhibition benefit. Preferred polymers comprising at least one unit that provides a dye transfer inhibition benefit are water soluble polymers. Polymers comprising at least one unit that provides a dye transfer inhibition benefit, useful in the present invention, have the formula: [-P (D) m-] n wherein unit P is a polymer backbone comprising units that are homopolymeric or copolymeric. The D units are defined here below. For the purposes of the present invention, the term "homopolymeric" is defined as "a polymer backbone which is comprised of units having the same unit composition, ie formed from the polymerization of the same monomer".
For the purposes of the present invention, the term "copolymeric" is defined as "a polymer backbone that is comprised of units having a different unitary composition, ie, they are formed from the polymerization of two or more monomers". The backbones P preferably comprise units having the formula: - [CR-CR2] - or - [(CR2) X) -L] -, wherein each R unit is independently hydrogen, CrC12 alkyl, C6-C aryl? 2, and the D units are as described below; preferably C 1 -C 4 alkyl. Each unit L is independently selected from heteroatom-containing portions, non-limiting examples of which are selected from the group consisting of:
R1 O O O O I II II II II
O o o o o II
O O O or polysiloxane having the formula:
wherein the index p is from 1 to about 6; Units that have dye transfer inhibition activity:
R4 0 0 I II II M C N i 1 1 OR R3 R3
and mixtures thereof; wherein R1 is hydrogen, C1-C12 alkyl, C6-C2 aryl, and mixtures thereof. R 2 is C 1 -C 2 alkyl, C 2 C 2 alkoxy, C 6 -C 12 aryloxy, and mixtures thereof; preferably methyl and methoxy. R3 is hydrogen, C1-C12 alkyl, C6-C2 aryl, and mixtures thereof; preferably hydrogen or C 1 -C 4 alkyl, preferably hydrogen. R 4 is C 1 -C 12 alkyl, C 6 -C 12 aryl, and mixtures thereof. The backbones of the polymers of the present invention comprise one or more units D which are units comprising one or more units that provide a dye transfer inhibition benefit. Unit D can be part of the skeleton itself as represented in the general formula:
'* - - Sifeik »? i [-P (D) m "] n or unit D may be incorporated in the backbone as a pendant group to a backbone unit having, for example, the formula:
- [CR- CR2] - or - [(CRJx-L] -, I I
D D
However, the number of D units depends on the formulation. For example, the number of D units will be adjusted to provide water solubility of the polymer and dye transfer inhibition efficiency. The molecular weight of the polymers of the present invention is about 500, preferably about 1,000, preferably about 10,000, preferably 200,000, to about 6,000,000, preferably about 2,000,000, preferably about 1. , 000,000, preferably to about 500,000, most preferably up to about 360,000 daltons. Therefore, the value of the index n is selected to provide the indicated molecular weight, and to provide a solubility in water of at least 100 ppm, preferably at least about 300 ppm, and preferably at least about 1,000. ppm in water at room temperature, which is defined here as 25 ° C. Non-limiting examples of preferred D units are units D comprising an amide portion. Examples of polymers wherein an amide is introduced into the polymer by a pendant group include
polyvinyl pyrrolidone having the formula:
[C H -C H 2] n N
polyvinyloxazolidone having the formula:
10 polyvinylmethyloxazolidone having the formula:
N-substituted polyacrylamides and polyacrylamides having the formula:
15 - [CH- CH2] n- I C = O I N (R ') 2
wherein each R 'is independently hydrogen, Ci-Cß alkyl, or both R' units can be taken together to form a ring that
comprises 4-6 carbon atoms; N-substituted polymethacrylamides and polymethacrylamides having the general formula:
? AMl * fa¿ * MI "'' -» - ^ t A rf -fe fatuta -. * TtBadaAmt *. N, ** i ± * -? * * J. Aja * »- ^.,? Tfe »« *. *. * - ^^ '- "^ CH3 I - [C-CH2] n- IC = OIN (R') 2
wherein each R 'is independently hydrogen, C 1 -C 2 alkyl, or both R' units can be taken together to form a ring comprising 4-6 carbon atoms; poly (N-acrylglycinamide) having the formula:
I II
NH- CH ^ - C- N (R ') 2
wherein each R 'is independently hydrogen, C? -C6 alkyl, or both R' units can be taken together to form a ring comprising 4-6 carbon atoms; poly (N-methacrylylglycinamide) having the formula: CH3 I - [C- CH2] n- I C = O O I II
NH-CHr-C- N (R ') 2 wherein each R' is independently hydrogen, Ci-Cd alkyl, or both R 'units can be taken together to form a ring comprising 4-6 carbon atoms; polyvinyl urethanes that have the formula:
- [CH-CH2] n- I
OR
I C = O I N (R ') 2
wherein each R 'is independently hydrogen, C1-C6 alkyl, or both R' units can be taken together to form a ring comprising 4-6 carbon atoms. An example of a unit D wherein the nitrogen of the dye transfer inhibition portion is incorporated into the polymer backbone is a poly (2-ethyl-2-oxazoline) having the formula:
wherein the index n indicates the number of monomer residues present. The amino-functional polymers of the present invention can comprise any mixture of dye transfer inhibition units that provide the product with suitable properties. Preferred polymers comprising units D which are amide portions are those which have the nitrogen atoms of the amide unit highly substituted, so that the nitrogen atoms are in effect protected to a variable degree by the non-polar groups in the vicinity . This gives the polymers an amphiphilic character. Non-limiting examples include polyvinyl pyrrolidones, polyvinyloxazolidones, N, N-disubstituted polyacrylamides and N, N-disubstituted polymethacrylamides. A detailed description of the physicochemical properties of some of these polymers is given in "Water-Soluble Synthetic Polymers: Properties and Behavior", Philip Molyneux, Vol. I, CRC Press, (1983), included herein as reference. The amide-containing polymers may be present partially hydrolyzed and / or in interlaced forms. A preferred polymeric compound for the present invention is polyvinylpyrrolidone (PVP). This polymer has an amphiphilic character with a highly polar amide group that gives it hydrophilic and polar attraction properties, and also has non-polar methylene and methine groups in the skeleton and / or in the ring that confer hydrophobic properties. PVP is easily soluble in aqueous and organic solvent systems. The PVP is available from ISP, Wayne, New Jersey, and BASF Corp, Parsippany, New Jersey, as a powder or aqueous solutions in various viscosity grades, designated for example as, K-12, K-15, K-25, and K-30. These K values indicate the viscosity average molecular weight, as shown below:
i isSí ^ M ^^^ x ^
PVP K-12, K-15, and K-30 are also available from
Polysciences, Inc. Warrington, Pennsylvania; PVP K-15, K-25, and K-30, and poly (2-ethyl-2-oxazoline) are available from Aldrich Chemical Co., Inc., Milwaukee, Wisconsin. PVP K-30 (40,000) up to K-90 (360,000), are also commercially available from BASF under the Luviskol brand, or commercially available from ISP. Higher molecular weight PVP such as PVP 1.3MM, commercially available from Aldrich, is also suitable for use herein. Another type of PVP material suitable for use in the present invention is polyvinylpyrrolidone-co-dimethylaminoethyl methacrylate, commercially available from ISP in a quaternized form under the trademark Gafquat®, or commercially available from Aldrich Chemical Co., with a molecular weight of approximately 1.0MM; copolymer of 3-methyl-1-vinyl-1H-imidazolium chloride and 1-vinyl-2-pyrrolidone (30:70) from BASF, under the trademark Luviquat FC370, polyvinylpyrrolidone-co-vinyl acetate, available from BASF the Luviskol® brand, available in ratios of vinylpyrrolidone: vinyl acetate from 3: 7 to 7: 3; polyvinylpyrrolidone-co-vinylimidazoliumquat, commercially available from BASF under the trademark Luviquat®.
Another unit D that provides improvement of the inhibition of
dye transfer to the polymers described herein, are N-oxide units having the formula:
O 5 * R1_N_R3
wherein R1, R2 and R3 can be any hydrocarbyl unit (for the purposes of the present invention the term "hydrocarbyl" does not include an
10 hydrogen alone). The N-oxide unit can be part of a polymer such as a polyamine, i.e., a polyalkyleneamine backbone, or the N-oxide can be part of a pendant group attached to the polymer backbone. An example of a polymer comprising an N-oxide unit as part of the polymer backbone is polyethylene imine N-oxide. Non-limiting examples of
15 groups which may comprise an N-oxide portion include the N-oxides of certain heterocycles, inter alia, pyridine, pyrrole, imidazole, pyrazole, pyrazine,
pyrimidine, pyridazine, piperidine, pyrrolidine, pyrrolidone, azolidine, morpholine. A preferred polymer is poly (4-vinylpyridine N-oxide), (PVP). In addition, the N-oxide unit may be pendant to the ring, for example aniline oxide. The polymers comprising N-oxide of the present invention
preferably have a ratio of N-oxidized amine nitrogen to non-oxidized amine nitrogen, from about 1: 0 to about 1: 2, preferably to about 1: 1, preferably
approximately 3: 1. The amount of N-oxide units can be adjusted by the formulator. For example, the formulator can copolymerize monomers comprising N-oxide with monomers that do not comprise N-oxide to arrive at the desired ratio of N-oxide to non-N-oxide amino units, or the formulator can control the level of oxidation of the polymer during its preparation. The amine oxide unit of the polyamine N-oxides of the present invention has a pk less than or equal to 10, preferably less than or equal to 7, preferably less than or equal to 6. The average molecular weight of the polymers that comprise N-oxide which provide a dye transfer inhibition benefit to the polymers, is about 500 daltons, preferably about 10,000 daltons, preferably about 20,000 daltons, to about 6,000,000 daltons, preferably about 2,000,000 daltons, very preferably at approximately 360,000 daltons. A further example of polymers that have dye transfer inhibition benefits are polymers comprising both amide units and N-oxide units as described above. Non-limiting examples include copolymers of two monomers, wherein the first monomer comprises an amide unit and the second monomer comprises an N-oxide unit. In addition, oligomers or block polymers comprising these units can be taken together to form the combined amide / N-oxide polymers. However, the resulting polymers must retain the water solubility requirements described above.
c) Urethane Polymers 5 Urethane-type polymers are also suitable components for use herein. A typical description of polyurethane polymer can be found in EP844274A1, as well as in EP839903.
10 d) Isomaltooliqosaccharide Isomaltooligosaccharides (IMO) (including mixtures), the individual components of said mixtures, substituted versions thereof, derivative versions thereof, and mixtures thereof, are suitable components to be used herein. IMO is currently used
15 as corn syrup. These components are particularly suitable when using cellulose fibers or fabrics, such as cotton, rayon, ramie, jute, linen, polynose fibers, Lyocell (Tencel®), polyester / cotton blends, other cotton blends, and the like, especially cotton, rayon, linen, polyester / cotton blends, and mixtures thereof. Suitable active fabric improving ingredients that are useful in the present invention include oligosaccharides with a degree of polymerization (DP) of from about 1 to about 15, preferably from about 2 to about 10, and wherein each
The monomer is selected from the group consisting of reducing saccharide containing 5 and / or 6 carbon atoms, including isomaltose, isomaltotriose, isomaltotetraose, isomaltooligosaccharide, fructooligosaccharide, levooligosaccharides, galactooligosaccharide, xylooligosaccharide, gentio-oligosaccharides, disaccharides, glucose, fructose, galactose, xylose, mannose, arabinose, rhamnose, maltose, sucrose, lactose, maltulose, ribose, lyxose, alose, altrose, gulose, iodine, talose, trehalose, nigerose, kojibiosa, lactulose, oligosaccharides, maltooligosaccharides, trisaccharides, tetrasaccharides, pentasaccharides, hexasaccharides, oligosaccharides of partial hydrolysates of natural polysaccharide sources, and the like, and mixtures thereof, preferably mixtures of isomaltooligosaccharides, especially mixtures including somatololigosaccharides comprising from about 3 to about 7 glucose units, respectively, and which are bound by of links 1, 2-a, 1, 3-a, 1, 4-a and 1, 6-a, and mixtures of these bonds. Oligosaccharides containing b-bonds are also preferred. Preferred oligosaccharides are acyclic and have at least one bond that is not a glycosidic bond a-1, 4. A preferred oligosaccharide is a mixture containing IMO: from 0 to about 20% by weight glucose, from about 10 to about 65% isomaltose, from about 1% to about 45% each of isomaltotriose, isamaltotetraose and isomaltopentaose, from 0 to about 3% each of isomaltohexaose, isomaltoheptaose, isomaltooctase and isomaltononase, from about 0.2% to about 15% of
t > sA ~ kA-.r & each of isomaltohexaose and isomaltoheptaose, and from 0 to about 50% by weight of said isomaltooligosaccharides mixture of 2 to 7 glucose units, and 0 to about 10% by weight of said isomaltooligosaccharide mixture of about 7 to 5 approximately 10 glucose units. Other non-limiting examples of preferred acyclic oligosaccharides, with approximate content in weight percentage, are: Mixture of isomaltooligosaccharides I Trisaccharides (maltotriose, panosa, isomaltotriose) 40-65% 10 Disaccharides (maltose, isomaltose) 5-15% Monosaccharide (glucose) 0-20% Superior branched sugars (4 <DP <10) 10-30% Isomaltooligosaccharides mixture II Trisaccharides (maltotriose, panose, isomaltotriose) 10-25% 15 Disaccharides (maltose, isomaltose) 10-55% Monosaccharide (glucose ) 10-20% Branched Higher Sugars (4 <DP <10) 5-10% Isomaltooligosaccharides blend lll Tetrasaccharides (stachyose) 10-40% 0 Trisaccharides (raffinose) 0-10% Disaccharides (sucrose, trehalose) 10- 50% Monosaccharides (glucose, fructose) 0-10% Other higher branched sugars (4 < DP < 10) 0-5%
Mixtures of oligosaccharides are prepared by means of enzymatic reactions or are separated as natural products from plant materials. Enzymatic oligosaccharide syntheses include the addition of monosaccharides, one at a time, to a disaccharide or higher saccharide to produce branched oligosaccharides, or may include degradation of polysaccharides, followed by transfer of saccharides to branching positions. For example, mixtures of oligosaccharides I and II are prepared by enzymatic hydrolysis of starch to maltooligosaccharides, which are then converted to isomaltooligosaccharides by a
10 transglucosidase reaction. The mixture of oligosaccharides III, for example, is a mixture of oligosaccharides isolated from soy. Soy oligosaccharides, such as mixture III, are of pure natural origin. The substituted materials and / or derivatives of the aforementioned oligosaccharides are also suitable in the present
15 invention. Non-limiting examples of these materials include: carboxyl and hydroxymethyl substitutions (for example glucuronic acid instead of glucose); aminooligosaccharides (amine substitution, for example glucosamine instead of glucose); quaternized cationic oligosaccharides; alkylated oligosaccharides of Ci-Cß; acetylated oligosaccharide ethers; oligosaccharides that
20 have adhered amino acid residues (small fragments of glycoprotein); oligosaccharides that contain silicone portions. These substituted oligosaccharides and / or derivatives can provide additional benefits such as carboxyl and hydroxymethyl substitutions which can
introducing easily oxidizable materials into and onto the fiber, thereby reducing the likelihood that the fiber itself will be oxidized by oxidants such as bleaches; the amine substitution can bind and / or condense with oxidatively damaged regions of the fiber to rejuvenate aged fabrics; the acetylated sugar ethers can serve as bleach activators in subsequent operations wherein hydrogen peroxide is present; oligosaccharides having amino acid residues can improve the supply of fabric care benefits to fabrics containing proteinaceous fibers, for example wool and silk; and silicone-derived oligosaccharides can provide additional softness and lubricity to the fabric. A CT alkyloligosaccharide is described (together with other higher alkyl polysaccharides, for example C6-C30) in the U.S.A. No. 4,565,647. The typical description of the C 6 alkylated oligosaccharides can also be found in U.S. Pat. No. 4,488,981. These patents are incorporated herein by reference. Another preferred isomaltooligosaccharide is IMO 900, commercially available from Showa Sangyo Co.
e) Polyvinylamin polymers Polyvinylamin polymers are also a suitable component that gives a fabric WRA deviation of at least 15. Typical polyvinylamine polymers include quaternized and non-quaternized polyvinylamines having the formula: wherein R is hydrogen linear or branched alkyl of C1-C12, benzyl or alkyleneoxy having the formula (R1O) zY, wherein R1 is linear or branched alkylene of CrC6, Y is hydrogen or an anionic unit, non-limiting examples of which include, - (CH2) fCO2M, -C (O) (CH2) fCO2M, - (CH2) fP03M, - (CH2) fOPO3M, - (CH2) fSO3M, -CH2 (CHSO3M) - (CH2) fS03M, -CH2 (CHSO2M) (CH2) fSO3M, -C (O) CH2CH (SO3M) CO2M, -C (O) -CH2CH (C02M) NHCH (CO2M) CH2CO2M, -C (O) CH2CH (CO2M) - NHCH2CO2M, -CH2CH (OZ) CH20 (R1O) tZ, - (CH2) fCH [O (R2O) tZ] - CH2O (R2O) tZ, and mixtures thereof, wherein Z is hydrogen or an anionic unit, non-limiting examples of which include - (CH2 ) fC02M, -C (O) (CH2) fCO2M, - (CH2) fPO3M, - (CH2) fOPO3M, - (CH2) fSO3M, -CH2 (CHSO3M) - (CH2) fSO3M, -CH2 (CHSO2M) (CH2) fSO3M, -C (0) CH2-CH (SO3M) CO2M, -C (O) CH2CH (CO2M) NHCH (CO2M) CH2CO2M, and mixtures thereof, M is a cation that provides charge neutrality; and the index f is from 0 to 6, t is 0 or 1, z is from 1 to 50. The index x has the value from about 50 to about 1, 500; preferably, the index x has a value such that the resulting polymeric foam stabilizer has an average molecular weight of about 2,500, preferably about 10,000, preferably, from about 20,000, to about 150,000, preferably to about 90,000, of preference to approximately 80,000 daltons. Highly preferred polymers for use in the present invention are water soluble, including IMO 900 (Isomaltose oligosaccharide from Showa Sangyo Co.), Avalure AC 120 (BF Goodrich polyacrylate), and Luviskol K30, K60 and K85 (polyvinylpyrrolidone MW 40,000, 400,000 and 1, 250,000 from BASF), Luvitec VPC 55K65W (vinylpyrrolidone and vinylcaprolactam copolymer from BASF), Luvitec Quat 73W (1-methyl-3-vinyl-imidazolium-methylsulfate copolymer and 1-vinyl-2-pyrrolidone from BASF) , Luviquat FC 905 (copolymer of vinylimidazolium methochloride and vinylpyrrolidone from BASF), Sedipur 520 (modified polyacrylamide from BASF), Chitanide 222 (chitosan succinamide from MIP), Mirasil ADM-E (aminodimeficone from Rhone-Poulenc), Percol 370 (polymer of diallylamine from CIBA), Amphomer HC (acrylate / octylacrylamide copolymer from National Starch), and mixtures thereof. Most preferably, the water-soluble lubricant and the component, preferably polymer, having a fabric WRA deviation of at least +15, are present in weight ratios of water-soluble lubricant to component, from 10: 1 to 1 :1. In fact, it has been found that within these ratio scales, the resulting composition provides better benefit against wrinkles in use.
f) Amphoteric polymers Amphoteric pofimers, ie, polymers comprising at least an anionic portion and a cationic portion, and optionally a nonionic portion are suitable for use herein. The anionic portion comprises a group which is a deprotonated anion of an acidic group when the polymer is dissolved or dispersed in water at a pH of about 7, and which can be protonated to form a nonionic acid group when the polymer is dissolved or dispersed in water at an acid pH. Representative examples of such groups include carboxylate, phosphonate, phosphate, phosphite, sulfonate, sulfate groups and combinations thereof. Optionally, each portion may be additionally complexed with a separate cationic counterion other than hydrogen. When used, representative examples of said counterions include Na +, Li +, K \ NH4 + or combinations thereof. The cationic portion comprises a protonated cation when the polymer is dissolved or dispersed in water at a pH of about 7 or less, and can be deprotonated to a non-ionic form when the polymer is dissolved or dispersed in water at a basic pH. Alternatively, the cationic portion comprises a group that is a quaternized group. Representative examples of the protonated group include the ammonium functionality, the phosphonium functionality, the sulfonium functionality and combinations thereof. The term "ammonium" refers to a portion that includes a nitrogen atom bonded to a plurality of portions (already
either H or alkyl or aryl groups) by means of four bonds when dissolved or dispersed in water at a pH of 7. The term sulfonium refers to a portion that includes a sulfur atom bonded to three other portions (either H or alkyl or aryl groups) when dispersed in water at a pH of about 7. The term phosphonium refers to a portion that includes a phosphorus atom bonded to four other portions (either H or alkyl or aryl groups) when dispersed in water at a pH of about 7. Examples of the amino, phosphonium and sulfonium functionality can be represented by the following formulas, respectively: R2 I R1- N + -R2 I R2
R2 I R1_p + -. R2 I R2
R2 R1-S + \ R2
In these formulas, R1 represents the polymer backbone and R2 represents hydrogen, alkyl or aryl substituents. In case the cationic portion exists as a quaternized group, all the R2 groups represent alkyl or aryl substituents, excluding hydrogen. As an option, each of these second functional groups can be complexed additionally with a counterion
5 separate anionic. When used, representative examples of such counterion include chlorides, sulfates, carbonates, nitrates, formates, perchlorates, or combinations thereof. Optionally, the amphoteric polymers herein comprise a nonionic portion. A preferred class of polymers
Amphoteric for use herein are polymers composed of both cationic and anionic vinyl monomers. Suitable anionic vinyl monomers for use herein include salts of acrylic acid, methacrylic acid, crotonic acid, maleic acid, fumaric acid, itaconic acid and vinylsulfonic acid. The
Suitable cationic vinyl monomers for use herein include unsaturated amine salts such as the vinylamine hydrochloride salt, N, N'-dialkylaminoalkyl (meth) acrylates and N, N'-dialkylaminoalkyl (meth) acrylamide salts, such as the salt dimethylaminoethylmethacrylate hydrochloride (DMAEMA.HCl) or dimethylaminopropylacrylamide; alkyl (quaternized) aminoalkyl (meth) acrylates and
20 aminoalkyl (meth) acrylamides such as trimethylammonioethyl chloride methacrylate, trimethylammoniopropyl acrylamide-methyl-sulfate, quaternized polar alkyl-alkyl heterocycles such as
pyridinium or imidazolium such as alkylvinylpyridinium, alkylvinimidazolium and mixtures thereof. Optionally a non-ionic comonomer can be incorporated as amides and imides of organic acids, such as acrylamide, N, N-dialkylacrylamide, N-t-butylacrylamide, maleimides, vinylformamide, vinyl aromatic monomers such as styrene, vinyltoluene, t-butylstyrene; polar vinyl heterocycles such as vinylpyrrolidone, vinylcaprolactam, vinylpyridine, vinylimidazole; low molecular weight unsaturated hydrocarbons and derivatives, such as ethylene, propylene, butadiene, cyclohexadiene, vinyl chloride, and mixtures thereof. A preferred polymer of this class is based on poly (vinylamine-co-acrylic acid), - at molar ratios ranging from 1: 100 to 100: 1, preferably 90:10 to 40:60. Polymers of this class preferably have a molecular weight between 20,000 and 5,000,000, preferably between 30,000 and 1,000,000, most preferably between 50,000 and 300,000. A second class of polymers that is preferred for use herein is that of the anionically modified polyethyleneimines. Examples of anionically modified polyethyleneimines include polyethyleneimines grafted with acrylic acid, methacrylic acid, maleic acid, fumaric acid, crotonic acid, itaconic acid, or carboxymethylated. The processes for the preparation of anionically modified polyethyleneimines are well known. They can be prepared by reacting carboxylic, unsaturated acids (C = C-COOH) as
«A &
acrylic or maleic acid, with polyethylenimine (Michael type reaction), or by carboxymethylation. The carboxymethylation is carried out by reacting polyethylenimine, either with chloroacetic acid or with formaldehyde and sodium cyanide, and subsequent saponification of the resulting aminonitrile. This last procedure is well known as the "Strecker Synthesis". Polymers of this kind have a degree of substitution of between 5 and 95, preferably between 20 and 80, and a molecular weight between 5,000 and 2,000,000, preferably between 20,000 and 1,000,000. In the present invention, the amphoteric polymers can be provided to the fabrics in amounts of 1x10"7 g / g of fabric to 0.3 g / g of fabric, preferably 1x10" 5 g / g of fabric to 0.1 g / g of fabric; most preferably from 1x10"3 g / g fabric to 1x10" 2 g / g fabric.
g) Aminosilicones Aminosilicones are suitable for use herein, preferably those comprising an amine comprising a sterically hindered functional group. In the present invention any known aminosilicon can be used to treat clothes, in order to provide the desired benefit. Aminosilicones used in a domestic context have been described in many publications, for example in the U.S. patent. No. 5,062,971 and in the US patent. 5,064,543, as an ironing aid; in WO 00/24853, WO / 9201773 and EP 300 525 in fabric conditioners; in EP 150 867 and EP 150 872 in detergents, and it is not necessary to describe here said aminosilicones. However, a particular problem that occurs with most aminosilicones is that they finally yellow the fabrics. The phenomenon of yellowing is not well understood, but it creates a practical limitation to the use of aminosilicones in the treatment of fabrics: the aminosilicones can be used to treat fabrics, but only in limited quantities so that the phenomenon of yellowing does not become too visible , thus limiting the performance of the composition. It has now been found that there is a particular class of aminosilicones which is suitable for use in a domestic context and which does not yellow fabrics. Said silicones have been mentioned for example in the patent of E.U.A. No. 5,688,889, as well as in the US patent. No. 5540952, but only for use in an industrial context, and for a different benefit. In particular, in Example 3 of these documents, a process is described in which fabrics are immersed in a solution of the aminosilicon in white solution, and then the fabrics are dried at 40 ° C for 15 minutes in a ventilated oven; then they are heated at 160 ° C for 30 minutes. This method of dry curing is a standard procedure in the textile industry, but it can not be done in a domestic context. This particular class of aminosilicones is referred to throughout this description as aminosilicones comprising a sterically hindered functional group. Said aminosilicones have been described in U.S. Pat. No. 5,540,952, EP 659 930, WO 00/5315, U.S. Pat. No. 5,688,889, WO 96/16110, WO 96/16124, WO 96/16127, WO 96/18667 and U.S. Pat. No. 5,792,825, the contents of which are incorporated herein. The present invention utilizes aminosilicones comprising a sterically hindered functional group, ie polyorganosiloxanes having per mole, at least one unit of the general formula: (R) a (X) bZ Si (O) 3- (a + b) 2 in which: The symbols R are identical or different and represent a monovalent hydrocarbon radical selected from linear or branched alkyl radicals having from 1 to 4 carbon atoms, the phenyl radical, the benzyl radical and the radical 3,3,3 -trifluropropyl; The symbols X are identical or different and represent a monovalent radical selected from a hydroxyl group and a linear or branched alkoxy radical having from 1 to 3 carbon atoms; The symbol Z represents a monovalent group of the formula R1-U-S in which: R1 is a divalent hydrocarbon radical selected from: • linear or branched alkylene radicals having from 2 to 18 carbon atoms;
¿I- * - * »& *, *. kJbiA A '^^ - * ^ - • alkylenecarbonyl radicals in which the alkylene part
linear or branched contains from 2 to 20 carbon atoms;
• alkylenecyclohexylene radicals in which the part of
linear or branched alkylene contains from 2 to 12 carbon atoms, and the
Cyclohexylene 5 contains a -OH group and optionally 1 to 2 radicals
alkyl having 1 to 4 carbon atoms;
• radicals of the formula R2-O-R3 in which the radicals R2 and R3,
which are identical or different, represent alkylene radicals having 1 to 12 carbon atoms;
10 • radicals of the formula R2-O-R3 in which the radicals R2 and R3
they have the meanings indicated above, and one or both are substituted with one or two -OH groups;
• radicals of the formula R2-COO-R3 and R2-OCO-R3- in which the
radicals R2 and R3 have the meanings above;
15 • radicals of the formula R4-O-R5-O-CO-R6 in which the
radicals R4, R5 and R6, which are identical or different, represent alkylene radicals having 2 to 12 carbon atoms, and radical R5 is optionally substituted with a hydroxyl group;
• radicals of the formula
20 R7- Yes- (R8)?
^^ ?? í ÍII ^ 1 ^? ' ? * ktít,? í.á * í * ¿ám-, *. j xet &ú.- -. , -, ** Í. .. ... .. . . *., *. . < . « ** .. ... _, A - *. * .. - ** .. .- * ** £ * .-. * "». AaaSfc ^ = ^^.
wherein the radical R7 represents alkylene radicals having from 1 to 4 carbon atoms, and the radical R8 represents linear or branched alkylene radicals having from 1 to 4 carbon atoms, the phenyl radical and the phenylalkyl radical, wherein the linear or branched alkyl part contains from 1 to 3 carbon atoms; and wherein x is a number chosen from 0, 1 and 2. U represents -O- or -NR9-, where R9 is a radical selected from a hydrogen atom, a linear or branched alkyl radical having from 1 to 6 carbon atoms. carbon, a divalent radical -R1- having the meaning indicated above, one of the valence bonds being linked to the nitrogen of -NR9-, and
The other being attached to a silicon atom, and a divalent radical of the formula -R10-N (R1) -S, in which R1 has the meaning indicated above and R10 represents a linear or branched alkylene radical having 1 to 12 carbon atoms, one of the valence bonds (that of R10) being attached to the nitrogen atom of -RN9-, and the other (that of R1) being attached to a silicon atom. S represents a monovalent group in which: the free valence is a carbon atom carrying a secondary or tertiary amine function comprised in a cyclic hydrocarbon chain or in a heterocyclic chain comprising from 6 to 30 carbon atoms, in which the two atoms of the cyclic chain in positions a and
20 to 'with respect to the nitrogen atom, they do not comprise any hydrogen atom; • the free valence is a carbon atom that carries a secondary or tertiary amine function, included in a hydrocarbon chain
linear comprising from 6 to 40 carbon atoms in which the two atoms of the cyclic chain at positions a and a 'with respect to the nitrogen atom, do not comprise any hydrogen atom. Preferably, the function of secondary or tertiary amine in S is incorporated in a piperidyl group. a is a chosen number of 0.1 and 2; b is a chosen number of 0.1 and 2; the sum a + b is not greater than 2. The polyorganosiloxane used may additionally comprise another unit or other siloxyl units. Said aminosilicones comprising a sterically hindered functional group which are suitable for use herein, are commercially available from Rhodia under the trademark Rhodorsil®, in particular Rhodorsil® H 21645 or Rhodorsil® H 21650 or Silicex®, in particular Silicex® 263. In the present invention, thanks to their ability not to yellow the fabrics, the aminosilicones comprising a sterically hindered amino functional group can be provided to the fabrics in amounts of 1x10"7 g / g of fabric to 0.3 g / g of fabric, preferably 1x10"5 g / g fabric to 0.1 g / g fabric; most preferably 1x10'3 g / g of fabric at 1x10"2 g / g of fabric, ie, in amounts that are greater than the amounts in which other aminosilicones can be used, in this way, a benefit can be obtained greater without observing yellowing of the fabric.
* i i j * .I ^ á ^ L n.A.
h) Curable Silicones Curable silicones are also suitable for use herein. The "curable" silicone molecules have the ability to react with one another to produce a polymeric elastomer of a much higher molecular weight compared to the original molecule. In this way, "cure" occurs frequently when two curable silicone molecules or curable silicone polymers react producing a higher molecular weight polymer. This "cure" reaction is defined here as the formation of new silicon-oxygen, silicon-carbon, and / or
10 carbon-carbon. Curable silicones may be entangled to some degree before application. This means that the curable silicone has been cured to a certain degree before its application, but that it can be cured even more during and after its application. Interlaced curable silicones are preferred. Examples of curable silicones are the polydimethylsiloxanes modified with vinyl, allyl, silane, epoxy, alkoxy, and / or silanol, and mixtures thereof. Some curable silicones may require the cooperative use of a catalyst to induce healing, as in the case of silicones modified with vinyl or hydrogen, which are cured by a hydrosilation process
20 catalyzed by platinum compounds or radical catalysts. In this invention, curable silicone that can be cured without the addition of catalysts, such as epoxy-modified polydimethylsiloxanes, is highly preferred.
alkoxy, and / or silanol. Emulsions of polydimethylsiloxanes interrupted with silanol are very preferred. The curable silicones can have other organic group modifications such as, for example, without restriction, amino groups or polyalkylene oxide. Curable silicones may contain reinforcing fillers. By reinforcement fillers are meant small particles made of inorganic or organic materials added to the silicone curable as additives, or intimately linked with silicone molecules by covalent bonds. An example, although without restriction, are silica particles sized from 10 to 100 nanometers, present at a level of 10% to 100% by weight based on the weight of silicone. It is preferred to formulate the curable silicones as oil-in-water emulsions. Curable silicone emulsions are commercially available; for example, GE-Bayer SM2112 silicone emulsions or Dow Corning Sy-Off®7922 catalyst emulsion. It is considered that the curing of curable silicones, during and / or after their application to the fabrics, produces a network that will prevent the formation of wrinkles. Other film-forming polymers suitable for use herein are permanent ironing polymers. Permanent press polymers are optional components of the invention. These polymers can be an interlacing resin that has the property of being cationic. By "interlacing resin that has the property of being
-.Í? Item-?.-? .. L.SÍÍÍ.-. Í- ^ - ME *. *.,. •; . *! *. • .-- *,., .. -. * - *.:. . J .... -. . Í - *. j -more & ^ át ^? "cationic" is understood that the resin is positively charged at least partially, however, it is not necessary that the reactive part of the molecule carries the positive charge.In reality, the polymeric resins can be based on positively charged monomers which They help the deposition on fibers.The interlacing resins that have the property of being cationic, suitable for use here, are commonly known to have wet strength in the paper field.At least two mechanisms have been postulated to explain the way in which the wet strength resin acts, one is that the resins with wet strength form covalent bonds between adjacent fibers, while the other is that the resin with wet strength puts a layer on the hydrogen bonds formed between adjacent paper fibers and thus prevents water from breaking the hydrogen bonds. Conventional, suitable for use herein, include compounds made from epichlorohydrin adducts of polyamine resins, polyethyleneimine resins, cationic starch, polydiallyldimethylammonium chloride, and mixtures thereof, amine-aldehyde resins, such as melamine-formaldehyde resins, resins of amide-aldehyde, and mixtures thereof. Within the intention of the present invention materials of the aforementioned kinds of substances can also be used, which admittedly do not possess by themselves any outstanding properties of wet strength but that do not
However, they have the same permanent ironing effect as the wet strength agents described herein. Among the class of epicyclohydrin adducts of polyamine resins, polyethyleneimine resins, cationic starch, polydiallyldimethylammonium chloride, and mixtures thereof, the preferred components are polymeric amine-epichlorohydrin resins selected from the group consisting of a polyamide resin. epichiorhydrin (PAE), a polyalkylenepolyamine-epichlorohydrin resin (PAPAE), and an amine-epichlorohydrin polymer resin (APE), in which the amine groups have been alkylated with epichlorohydrin to produce a polyamine-epichlorohydrin resin having functionality azetidinium or epoxide. Preferably, for use herein, the crosslinking resin having cationic properties is a cationic wet strength resin that is produced by reacting a saturated aliphatic dicarboxylic acid containing from three to ten carbon atoms, with a polyalkylene polyamine containing two to four ethylene groups, two primary amine groups and one to three secondary amine groups (such as diethylenetriamine, triethylenetetramine and tetraethylenepentamine), to form a poly (aminoamide) having secondary amine groups that are alkylated with epichlorohydrin to form a resin PAE: These polyamide / polyamine / epichlorohydrin wet strength resins are fully described by Carr, Doane, Hamerstrand and Hofreiter, in an article appearing in the Journal of Applied Polymer Science Vol. 17, p. 721-735 (1973). Such resins are available as KYMENE from Hercules, Inc. A commercial synthesis of said resins from adipic acid, diethylene triamine and epichlorohydrin, is described in the publication of Carr et al., And in US Pat. No. 2,926,154 (February 23, 1960) for G. I. Keim, or in the patent of E.U.A. No. 4,240,995. Reference can be made to these publications for further details regarding the preparation of polyamide / polyamine / epichlorohydrin resins. The most preferred crosslinking resin having cationic properties of this kind, is the Kymne 557H wet strength resin (available from Hercules Incorporated), where adipic acid is reacted with diethylenetriamine to form a poly (aminoamide) which is alkylated and interlaced with epichlorohydrin to form a PAE resin. Another preferred crosslinking resin having cationic properties, made of epichlorohydrin, is Luresin.RTM and Etadurin, both polyamidoamine-epichlorohydrin resins. Amine-aldehyde resins are crosslinking resins suitable for the present invention and are made by condensation of amine or amide monomers with aldehydes such as formaldehyde or glyoxal. Preferred amines are those having low molecular weight amines, for example melamine or polymeric amines, for example polydiallylamine, preferably quaternized. Preferred amides are polymeric amides such as polyacrylamide. All these monomers
? íá k & Ja¡ i * »& & amp; & amp; & ? & ¿.
Suitable amine / amide can also be copolymerized with cationic monomers. Among the class of amine-aldehyde crosslinking resins, those of the melamine-formaldehyde resin class are preferred. Melamine-formaldehyde resins of this type are known as entanglement agents of this type in the coating industry and are also described, for example, in German Auslegeschrift Nos. 2,457,387 (US Patent No. 4,035,213, incorporated herein by reference). reference) and 1, 719, 324 and, in particular, in the US patent No. 3,242,230, incorporated herein by reference. Preferred melamine-formaldehyde resins are those commercially available under the Madurit and Cassurit brands of Clariant. Another preferred crosslinking resin having the property of being cationic between the class of amine-aldehyde crosslinking resins, is the poly (acrylamide-glyoxal) resin, commercially available under the SOLIDURIT KM brand from Clariant. In accordance with the present invention, a mixture of wet strength agents of the above-mentioned types or equivalent compounds can also be used. Preferably, for the purposes of the invention, the crosslinking resin having cationic properties has a molecular weight between 200 and 1,000,000, preferably between 500 and 100,000, very
? A LAÁÍA.
preferably between 1000 and 25,000. The interlacing resin having a low molecular weight is highly preferred for use in the present invention, since it is more soluble in water and has better fiber penetration. By "low molecular weight" is meant a molecular weight within the range of 25 to 2000, preferably 50 to 1000, and preferably 50 to 500. It is desirable that the level of interlacing components or derivatives thereof be 0.01. % to 60%, preferably from 0.01% to 30% by weight of the total composition. It is advantageous for the crosslinking resins containing aldehyde to use a catalyst with the compositions of the invention. Preferred catalysts include organic acids such as citric acid, succinic acid, tartaric acid, as well as also conventional Lewis acids such as AICI3 or MgC, or salts thereof, or mixtures thereof. A typical example of a catalyst is the NKD catalyst made from a mixture of salts and an organic acid, and commercially available from Hoechst. It is preferred that the level of catalyst be from 10% to 50%, preferably from 20 to 40% by weight of the crosslinking components or derivatives thereof. For other entanglement resins such as Kymene, the use of a catalyst is not necessary.
3) Optional ingredients: The composition of the invention may also comprise one or more of the following optional ingredients.
a) Permanent ironing polymer Permanent ironing polymers are optional components of the invention. These polymers can be an interlacing resin that has the property of being cationic. By "interlacing resin having the property of being cationic" is meant that the resin is positively charged at least partially. However, it is not necessary for the reactive part of the molecule to carry the positive charge. In reality, polymer resins can be based on positively charged monomers that aid deposition on the fibers. Interlacing resins which have the property of being cationic, suitable for use herein, are commonly known to have wet strength in the paper field. At least two mechanisms have been postulated to explain the way in which the wet strength resin acts. One is that resins with wet strength form covalent bonds between adjacent fibers, while the other is that the resin with wet strength lays a layer on the hydrogen bonds formed between adjacent paper fibers and thus prevents water from breaking down. hydrogen bonds.
The conventional wet strength agents suitable for use herein include compounds made from epichlorohydrin adducts of polyamine resins, polyethyleneimine resins, cationic starch, polydiallyldimethylammonium chloride, and mixtures thereof. same, amine-aldehyde resins, such as melamine-formaldehyde resins, amide-aldehyde resins, and mixtures thereof. Within the intention of the present invention materials of the aforementioned kinds of substances can also be used, which admittedly do not possess by themselves any outstanding properties of wet strength but which nonetheless have the same permanent ironing effect as the wet strength agents described herein. Among the class of epicyclohydrin adducts of polyamine resins, polyethyleneimine resins, cationic starch, polydiallyldimethylammonium chloride, and mixtures thereof, the preferred components are polymeric amine-epichlorohydrin resins selected from the group consisting of a polyamide resin. epichiorhydrin (PAE), a polyalkylenepolyamine-epichlorohydrin resin (PAPAE), and an amine-epichlorohydrin polymer resin (APE), in which the amine groups have been alkylated with epichlorohydrin to produce a polyamine-epichlorohydrin resin having functionality azetidinium or epoxide. Preferably, for use herein, the crosslinking resin having cationic properties is a cationic wet strength resin that is produced by reacting a saturated aliphatic dicarboxylic acid containing from three to ten carbon atoms, with a polyalkylene polyamine containing from two to four ethylene groups, two primary amine groups and one to three secondary amine groups (such as diethylenetriamine, triethylenetetramine and tetraethylenepentamine), to form a poly (aminoamide) having secondary amine groups that are alkylated with epichlorohydrin to form a resin PAE: These polyamide / polyamine / epichlorohydrin wet strength resins are fully described by Carr, Doane, Hamerstrand and Hofreiter, in an article that appears in the Journal of
10 Applied Polymer Science Vol. 17, p. 721-735 (1973). Said resins are available as KYMENE from Hercules, Inc. A commercial synthesis of said resins from adipic acid, diethylene triamine and epichlorohydrin, is described in the Carr publication and other ibidems, and in the US patent. No. 2,926,154 (February 23, 1960) for G. I. Keim, or in the patent of
15 E.U.A. No. 4,240,995. Reference can be made to these publications for further details regarding the preparation of polyamide / polyamine / epichlorohydrin resins. The highly preferred crosslinking resin having cationic properties of this kind, is the wet strength resin
20 Kymne 557H (available from Hercules Incorporated), wherein adipic acid is reacted with diethylenetriamine to form a poly (aminoamide) which is alkylated and entangled with epichlorohydrin to form a PAE resin. Another preferred interlacing resin that has
. ^ ... ^^ Ai ^,.
Cationic properties, made of epichlorohydrin, is Luresin.RTM and Etadurin, both polyamidoamine-epichlorohydrin resins. Amine-aldehyde resins are crosslinking resins suitable for the present invention and are made by condensation of amine or amide monomers with aldehydes such as formaldehyde or glyoxal. Preferred amines are those having low molecular weight amines, for example melamine or polymeric amines, for example polydiallylamine, preferably quaternized. Preferred amides are polymeric amides such as polyacrylamide. All these suitable amine / amide monomers can also be copolymerized with cationic monomers. Among the class of amine-aldehyde crosslinking resins, those of the melamine-formaldehyde resin class are preferred. Melamine-formaldehyde resins of this type are known as entanglement agents of this type in the coating industry and are also described, for example, in German Auslegeschrift Nos. 2,457,387 (US Patent No. 4,035,213, incorporated herein by reference). reference) and 1, 719, 324 and, in particular, in the US patent No. 3,242,230, incorporated herein by reference. Preferred melamine-formaldehyde resins are those commercially available under the Madurit and Cassurit brands of Clariant.
t--;
Another preferred crosslinking resin having the property of being cationic between the class of amine-aldehyde crosslinking resins is the polyacrylamide-glyoxal resin), commercially available under the trademark SOLIDURIT KM from Clariant. In accordance with the present invention, a mixture of wet strength agents of the above-mentioned types or equivalent compounds can also be used. Preferably, for the purposes of the invention, the crosslinking resin having cationic properties has a molecular weight of between 200 and 1,000,000, preferably between 500 and 100,000, most preferably between 1,000 and 25,000. The interlacing resin having a low molecular weight is highly preferred for use in the present invention, since it is more soluble in water and has better fiber penetration. By "low molecular weight" is meant a molecular weight within the range of 15 to 2000, preferably 50 to 1000, and preferably 50 to 500. It is desirable that the level of crosslinking components or derivatives thereof be of 0.01% to 60%, preferably from 0.01% to 30% by weight of the total composition. It is advantageous for crosslinking resins containing aldehyde to use a catalyst with the compositions of the invention. Preferred catalysts include organic acids such as citric acid, succinic acid, tartaric acid, as well as also conventional Lewis acids such as AICI3 or MgC, or salts thereof, or their
*! ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡! 3? &? 3 &? «* *%. ** .... «raffles:. . * •,. , <; . : -, - r t.; "«. > ¿. .. .... »» W * m. * '? JJ, J¡A¿ < tA > rMÉÍÍM.llíl¡Tl I mixtures. A typical example of a catalyst is the NKD catalyst made from a mixture of salts and an organic acid, and commercially available from Hoechst. It is preferred that the level of catalyst be from 10% to 50%, preferably from 20 to 40% by weight of the crosslinking components or derivatives thereof. For other entanglement resins such as Kymene, the use of a catalyst is not necessary.
10 b) Liquid vehicle Another optional, but preferred, ingredient is a liquid vehicle. The liquid vehicle used in the present compositions is preferably at least mainly water, due to its low cost, relative availability, safety and compatibility with the environment. He
The water level in the liquid vehicle is preferably at least about 50%, preferably at least about 60% by weight of the vehicle. Mixtures of water and organic solvents of low molecular weight, for example of about 200, for example lower alcohols such as ethanol, propanol, isopropanol or butanol, are useful as the liquid carrier.
Low molecular weight alcohols include monohydric, dihydric (glycol, etc.), trihydric (glycerol, etc.) alcohols, and higher polyhydric alcohols (polyols).
~ - ^ - ^ * ^ - ^ - ^ * ^^ - c) Dispersing Aids Relatively concentrated compositions containing diester quaternary ammonium compounds, both saturated and unsaturated, can be prepared to be stable without the addition of auxiliaries of concentration. However, the compositions of the present invention may require organic and / or inorganic concentrating aids to reach even higher concentrations and / or to meet higher stability standards depending on the other ingredients. These concentration aids which typically can be viscosity modifiers, may be necessary or preferred to ensure stability under extreme conditions when particular levels of softening active ingredients are used. The surfactant concentration aids are typically selected from the group consisting of (1) long single-chain alkyl cationic surfactants; (2) nonionic surfactants; (3) amine oxides; (4) fatty acids; and (5) mixtures thereof. These auxiliaries are described in WO 94/20597, specifically page 14, line 12 to page 20 line 12, which are incorporated herein by reference. When said dispersion aids are present, the total level is from 0.1% to 20%, preferably from 0.2% to 10%, preferably 0.5% to 5%, and preferably from 1% to 2% by weight of the composition. These materials can be added either as part of the softening active raw material, (I), for example the long chain monoalkyl cationic surfactant and / or the fatty acid, which are reagents used to form the active biodegradable fabric softener. mentioned here above, or added as a separate component. The total level of dispersion aid includes any amount that may be present as part of component (I). Inorganic viscosity / dispersion control agents, which may also act as surfactant concentration aids or to augment said effect, include ionizable water-soluble salts which may also be optionally incorporated into the compositions of the present invention. A wide variety of ionizable salts can be used. Examples of suitable salts are the halides of the metals of group IA and HA of the periodic table of the elements, for example calcium chloride, magnesium chloride, sodium chloride, potassium bromide and lithium chloride. Ionizable salts are particularly useful during the process of mixing the ingredients to prepare the compositions herein and then obtaining the desired viscosity. The amount of ionizable salts used depends on the amount of active ingredients used in the compositions, and can be adjusted at the will of the formulator. Typical levels of salts used to control the viscosity of the composition are from about 20 to about 20,000 parts per million (ppm), preferably from about 20 to about 11,000 ppm, by weight of the composition.
Alkylene polyammonium salts can be incorporated into the composition to give viscosity control in addition to, or instead of the water soluble ionizable salts mentioned above. In addition, these agents can act as sweepers, forming ion pairs with anionic detergent transferred from the main wash, in the rinse, and on the fabrics, and can improve the softening action. These agents can stabilize the viscosity on a broader scale of temperature, especially at low temperatures, compared to inorganic electrolytes. Specific examples of alkylene polyammonium salts include l-lysine monohydrochloride and 1,5-diammonium-2-methyl-pentane dihydrochloride.
d) Stabilizers Stabilizers may be present in the compositions of the present invention. The term "stabilizer" as used herein, includes antioxidants and reducing agents. These agents are present at a level of from 0% to about 2%, preferably from about 0.01% to about 0.2%, preferably from about 0.035% to about 0.1% for antioxidants, and preferably from about 0.01% to about 0.2% for reducing agents. These ensure good odor stability under long-term storage conditions for the compositions and compounds stored in the form
melted The use of antioxidant stabilizers and reducers is especially critical for products with little aroma (little perfume). Examples of antioxidants that can be added to the compositions of this invention include a mixture of ascorbic acid, ascorbic palmitate, propyl gallate, available from Eastman Chemical Products, Inc., under the trademarks Tenox® PG and Tenox S-1; a mixture of BHT (butylated hydroxytoluene), BHA (butylated hydroxyanisole), propyl gallate and citric acid, available from Eastman Chemical Products, Inc., under the trademark Tenox-6; butylated hydroxytoluene, available from UOP Process Division under the brand name Sustane® BHT; ter-butylhydroquinone, Eastman Chemical Products, Inc., as Tenox TBHQ; natural tocopherols, Eastman Chemical Products, Inc., as Tenox GT-1 / GT-2; and butylated hydroxyanisole, Eastman Chemical Products, Inc., as BHA; long chain esters (C8-C22) of gallic acid, for example dodecyl gallate; Irganox® 1010; Irganox® 1035; Irganox® B 1171; Irganox® 1425; Irganox® 3114; Irganox® 3125; and mixtures thereof, preferably Irganox® 3125, Irganox® 1425, Irganox® 3114, and mixtures thereof; most preferably Irganox® 3125 alone. The chemical names and CAS numbers of some of the stabilizers mentioned above are given in Table II below.
TABLE II
Antioxidant CAS No. Chemical name used in the "Code of Federal Regulations"
Irganox® 1010 6683-19-8 Tetrakis- (methylene (3,5-di-tert-butyl-4-hydroxyhydrocinnamate)) methane
Irganox® 1035 41484-35-9 Tiodiethylene bis (3,5-di-tert-butyl-4-hydroxyhydrocinnamate
Irganox® 1098 23128-74-7 N, N'-Hexamethylene bis (3,5-di-tert-butyl-4-hydroxyhydrocinnamamide 1171 31570-04-4 23128-74-7 lrganox® B 1: 1 mixture of Irganox® 1098 and Irgafos® 168 Irganox® 1425 65140-91-2 Bis (calcium monoethyl (3,5-di-tert-butyl-4-hydroxybenzyl phosphonate))
Irganox® 3114 65140-91-2 Bis (monoethyl (3,5-di-tert-butyl-4- hidroxibenciljfosfonato) of lrganox® 3125 34137-09-2 Calcium Acid 3, 5-d i-tert-butyl-4- h id hydroxyamynamic, triester with 1, 3,5-tris (2-hydroxyethyl) -S- triazine-2,4,6- (1 H, 3H, 5H) -trione
Irgafos® 168 31570-04-4 Tris (2,4-di-tert-butyl-phenyl) phosphite
Examples of reducing agents include sodium borohydride, hypophosphorous acid, Irgafos® 168, and mixtures thereof.
e) Conservative
Optionally, but preferably, antimicrobial preservatives can be added to the composition of the present invention. The
you & Aiku, A "* MKA *, k 1 i * A & , x &?.?.? ?? È * to -jíai ^ l contamination with certain microorganisms with subsequent microbial growth can result in unpleasant-looking and / or bad-smelling solution Because microbial growth in solutions is highly questionable when it occurs, it is highly preferable to include an antimicrobial preservative that is effective in inhibiting and / or regulating microbial growth to increase the stability of the microbial growth. storage composition It is preferable to use a broad spectrum conservator, for example one that is effective both for bacteria (both gram positive and gram negative) and for fungi A limited spectrum conservative can be used, for example one that is effective only on a single group of microorganisms, for example fungi, in combination with a broad-spectrum conservator or other limited-spectrum conservators with complementary and / or supplementary activity. You can use a mixture of broad spectrum conservatives. In some cases where a specific group of microbial contaminants is problematic (such as gram negative), aminocarboxylate chelators such as those described hereinabove can be used, alone or as enhancers in conjunction with other preservatives. These chelators include, for example, ethylenediaminetetraacetic acid (EDTA), hydroxyethylene diaminetriacetic acid, diethylenetriaminepentaacetic acid, and other aminocarboxylate chelating agents, and mixtures thereof, and their salts and
mixtures thereof, may increase the conservative effectiveness against gram negative bacteria, especially Pseudomonas species. Antimicrobial preservatives useful in the present invention include biocidal compounds, ie, substances that kill microorganisms; or biostatic compounds, that is, substances that inhibit and / or regulate the growth of microorganisms. Well-known preservatives such as short-chain alkyl esters of p-hydroxybenzoic acid, commonly known as parabens; N- (4-chlorophenyl) -N '- (3,4-dichlorophenyl) urea, also known as 3,4,4'-trichlorocarbanilide or triclocarban; 2,4,4'-trichloro-2'-hydroxydiphenyl ether, commonly known as triclosan, are preservatives useful in the present invention. Other preferred preservatives are water-soluble preservatives, ie those having a solubility in water of at least about 0.3 g per 100 ml of water, ie greater than about 0.3% at room temperature, preferably greater than about 0.5% at room temperature. The preservative in the present invention is included in an effective amount. The term "effective amount" as defined herein means a level sufficient to prevent deterioration, or prevent the growth of microorganisms inadvertently added, during a specific period. In other words, the preservative is not used to destroy microorganisms on the surface on which the composition is deposited to eliminate the odors produced by the microorganisms. Rather, it is preferred to use
,. ,. . .
prevent the deterioration of the solution, to increase the shelf life of the composition. Preferred levels of preservative are from about 0.0001% to about 0.5%, preferably from about 0.0002% to about 0.2%, preferably from about 0.0003% to about 0.1%, by weight of the use composition. The preservative can be any organic preservative material that does not cause damage to the appearance of the fabric, for example discoloration, coloration, bleaching. Preferred water-soluble preservatives include organic sulfur compounds, halogenated compounds, cyclic nitrogen organic compounds, low molecular weight aldehydes, quaternary ammonium compounds, dehydroacetic acid, phenyl and phenolic compounds, and mixtures thereof. Non-limiting examples of preferred water-soluble preservatives for use in the present invention can be found in U.S. Pat. No. 5,714,137, incorporated herein by reference, as well as copending application PCT / US 98/12154, pages 29 to 36. Preferred water-soluble preservatives for use in the present invention are organic sulfur compounds. Some non-limiting examples of organic sulfur compounds suitable for use in the present invention are: 3-isothiazolone compounds: a preferred preservative is an antimicrobial organic preservative containing 3-isothiazolone groups. This class of compounds is described in U.S. Pat. No. 4,265,899, Lewis et al., Issued March 5
^ i g ^ i ^ l .. ^ ^^^ * ¿¿* of 1981, and incorporated herein by reference. A preferred preservative is a water-soluble mixture of 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one, preferably a mixture of about 77% 5-chloro -2-methyl-4-isothiazolin-3-one and approximately 23% of 2-methyl-4-isothiazolin-3-one, a broad spectrum preservative available as a 1.5% aqueous solution under the Kathon ® CG brand from Rohm and Hass Company. When Kathon ® is used as the preservative in the present invention, it is present at a level of from about 0.0001% to about 0.01%, preferably from about 0.0002% to about 0.005%, preferably from about 0.0003% to about 0.003%, of preference of about 0.0004% to about 0.002%, by weight of the composition. Other siathiazolones include 1,2-benzisothiazolin-3-one, available under Proxel® brand products; and 2-methyl-4,5-trimethylene-4-isothiazolin-3-one, available under the Promexal® brand. Both Proxel and Promexal are available from Zeneca. They have stability over a wide pH range (ie, 4-12). They do not contain active halogen nor are formaldehyde-releasing preservatives. Both Proxel and Promexal are effective against typical gram negative and positive bacteria, fungi and yeasts, when used at a level of from about 0.001% to about 0.5%, preferably about 0.005% at
K &k ±? K- ^ about 0.05%, and preferably from about 0.01% to about 0.02% by weight of the composition of use. Sodium Pyrithione: Another preferred organic sulfur preservative is sodium pyrithione, with a solubility in water of about 50%. When using sodium pyrithione as the preservative in the present invention, it is typically present at a level of about 0.0001% to about 0.01%, preferably from about 0.0002% to about 0.005%, preferably about 0.0003% to about 0.003% by weight of the composition of use. Mixtures of the preferred organic sulfur compounds can also be used as the preservative of the present invention.
f) Antimicrobial Active Ingredient A solubilized, water-soluble, optional, antimicrobial active agent can be suitably used in the composition useful for providing protection against organisms that become attached to the treated material. The free antimicrobial agent, not in complex, for example antibacterial, provides an optimal antibacterial performance. Sanitization of fabrics can be achieved by means of the compositions of the present invention containing antimicrobial materials, for example halogenated antibacterial compounds, quaternary compounds and phenolic compounds.
iui.?*á~i-*t*¿~~ * ... * i í? **** -, * ..., x *. . - ... * - t ^. ,. . -., ...? ... _. -**.H.H . , * -? - - * £ i? Ís¿ ..... * M * híí k.- - - * m »£? *? ¿¿¿Biguanides.- Some of the strongest antimicrobial halogenated compounds that can work as disinfectants / sanitizers, and preservatives finished product (see above), and are useful in the compositions of the present invention include 1, 1 '-hexamethylene bis (5- (p-chlorophenyl) biguanide), known commonly as chlorhexidine, and its salts, for example hydrochloric, acetic and gluconic acids. The digluconate salt is very soluble in water, about 70% in water, and the diacetate salt has a solubility of about 1.8% in water. When chlorhexidine is used as a sanitizer in the present invention, it is typically present at a level of from about 0.001% to about 0.4%, preferably from about 0.002% to about 0.3%, and is most preferred from about 0.01% to about 0.1%, by weight of the composition of use. In some cases, a level of about 1% to about 2% may be necessary for virucidal activity. Other useful biguanide compounds include Cosmoci® CQ®, Vantocil® IB, including poly (hexamethylenebiguanide) hydrochloride. Other useful cationic antimicrobial agents include bis-biguanide-alkanes. Soluble salts usable water of the above are chlorides, bromides, sulfates, alkyl sulfonates such as methyl sulfonate and ethyl sulfonate, phenylsulfonates such as p-metilfenilsulfonatos, nitrates, acetates, gluconates, and the like.
I &j¿k * TIL & ~ í- * - * - • As stated hereinbefore, the bis biguanide of choice is chlorhexidine its salts, e.g., digluconate, dihydrochloride, diacetate, and mixtures thereof. Quaternary Compounds.- A wide variety of quaternary compounds can also be used as antimicrobial active ingredients, in conjunction with the preferred surfactants for compositions of the present invention that do not contain cyclodextrin. Nonlimiting examples of useful quaternary compounds include: (1) benzalkonium chlorides and / or substituted benzalkonium chlorides such as Barquat® commercially available (Lonza), Maquat® (available from Mason), Variquat® (available from Witco / Sherex ), and Hyamine® (available from Lonza); (2) quaternary dialkyl such as Londa's Bardac® products, (3) N- (3-chloroalyl) hexaminium chlorides such as Dowicide® and Dowicil®, available from Dow; (4) benzethonium chloride such as Hyamine® 1622 from Rohm & Haas; (5) Methylbenzethonium chloride, represented by Hyamine® 10X provided by Rohm & amp;; Haas, (6) cetylpyridinium chloride such as Cepacol chloride, available from Merrell Labs. Typical concentrations for biocidal effectiveness of these quaternary compounds range from about 0.001% to about 0.8%, preferably from about 0.005% to about 0.3%, preferably from about 0.01% to 0.2% by weight of the composition of use. The corresponding concentrations for the concentrated compositions are from about 0.0003% to about 2%, preferably from about 0.006% to about 1.2% and most preferably from about 0.1% to about 0.8% by weight of the concentrated compositions. Other preservatives that are conventional in the art, such as those described in the U.S. patent. No. 5,593,670, incorporated herein by reference, may also be used herein.
g) Perfume The present invention may contain a perfume. Suitable perfumes are described in U.S. Pat. No. 5,500,138, said patent being incorporated herein by reference. As used herein, perfume includes a fragrant substance or a mixture of substances that include natural fragrances (ie, obtained by extracting flowers, herbs, leaves, roots, barks, wood, buds or plants), artificial (i.e. a mixture of different natural oils or constituents of oils), and synthetic (ie synthetically produced). Such materials are often accompanied by auxiliary materials such as fixatives, extenders, stabilizers and solvents. These auxiliaries are also included within the meaning "perfume" as used herein. Typically, perfumes are complex mixtures of a plurality of organic compounds. Examples of perfume ingredients useful as perfumes of the compositions of the present invention, include, without limitation, aldehyde
hexyl cinnamic; amylcinnamic aldehyde; amyl salicylate; hexyl salicylate; terpineol; 3,7-dimethyl-cis-2,6-octadien-1-ol; 2,6-dimethyl-2-octanol; 2,6-dirnethyl-7-octen-2-ol; 3,7-dimethyl-3-octanol; 3,7-dimethyl-trans-2,6-octadien-1-ol; 3,7-dimethyl-6-octen-1-ol; 3, 7-dimethyl-1-octanol; 2-methyl-3- (para-tert-butylphenyl) propionaldehyde; 4- (4-hydroxy-4-methylpentyl) -3-cyclohexen-1-carboxaldehyde; tricyclodecenyl propionate; tricyclodecenyl acetate; anisaldehyde; 2-methyl-2- (para-iso-propylphenyl) -propionaldehyde; ethyl 3-methyl-3-phenyl glycidate; 4- (para-hydroxyphenyl) -butan-2-one; 1 - (2,6,6-trimethyl-2-cyclohexen-1 -yl) -2-buten-1 -one; para-methoxyacetophenone; para-methoxy-alpha-phenylpropene; methyl-2-n-hexyl-3-oxo-cyclopentanecarboxylate; gamma-undecalactone. Additional examples of fragrance materials include, without limitation, orange oil; lemon oil; grapefruit oil; bergamot oil; clove oil; gamma-dodecalactone; methyl-2- (2-pentyl-3-oxo-cyclopentyl) acetate; beta-naphthol-methyl ether; methyl-beta-naphthyl ketone; coumarin; decylaldehyde; benzaldehyde; 4-tert-butylcyclohexyl acetate; alpha.alpha-dimethylphenethyl acetate; methylphenylcarbinyl acetate; Schiff base of 4- (4-hydroxy-4-methylpentyl) -3-cyclohexene-1-carboxaldehyde and methyl anthranilate; cyclic diester of tridecaudioic acid ethylene glycol; 3,7-dimethyl-2,6-octadien-1-nitrile; methyl-gamma-ionone; alpha-ionone; beta-ionone; petitgrain; methylredrilone; 7-acetyl-1, 2,3,4,5,6,7,8-octahydro-1,1,6,7-tetramethyl-naphthalene; methyl-ionone; methyl-1,6,10-trimethyl-2,5,9-cyclododecatrien-1-yl-ketone; 7-acetyl-1,1, 3,4,4,6-hexamethyltetralin; 4-acetyl-6-tert-butyl-1,1-dimethylindane;
benzophenone; 6-acetyl-1,1, 2,3,3,5-hexamethylindane; 5-acetyl-3-isopropyl-1,1,6-tetramethyl-indane; 1-dodecanal; 7-hydroxy-3,7-dimethyl-octanal; 10-undecen-1-al; iso-hexenylcyclohexylcarboxaldehyde; formyltriciclodecane; cyclopentadecanolide; 16-hydroxy-9-hexadecenoic acid lactone; 1, 3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethylcyclopenta-gamma-2-benzopyran; ambroxane; dodecahydro-3a, 6,6,9a-tetramethylnaphtho- [2,1] furan; cedrol; 5- (2,2,3-trimethylcyclopent-3-enyl) -3-methylpentan-2-ol; 2-ethyl-4- (2,2,3-trimethyl-3-cyclopenten-1-yl) -2-buten-1-ol; caryophyllene alcohol; Cedaryl acetate; para-tert-butylcyclohexyl acetate; patchouli; olibanum resinoid; bilberry, vetiver; balsam of copaiba; fir balsam; and condensation products of: hydroxy citronellal and methyl anthranilate; hydroxy-citronellal and indole; phenylacetaldehyde and indole; 4- (4-hydroxy-4-methylpentyl) -3-cyclohexen-1-carboxaldehyde and methyl anthranilate. More examples of perfume components are geraniol; geranyl acetate; linaool; linalyl acetate; tetrahydrolinalool; citronellol; citronellyl acetate; dihydromyrcenol; Dihydromyrcenyl acetate; tetrahydromyrcenol; terpinyl acetate; nopol; nopyl acetate; 2-phenylethanol; 2-phenylethyl acetate; benzyl alcohol; benzyl acetate; benzyl salicylate; Benzyl benzoate; styrallylacetate; dimethylbenzylcarbinol; trichloromethylphenylcarbinyl, methylphenylcarbinyl acetate; isononyl acetate; vetiveril acetate; vetiverol; 2-methyl-3- (p-tert-butylphenyl) -propanal; 2-methyl-3- (p-isopropylphenyl) -propanal; 3- (p-tert-butylphenyl) -propanal; 4- (4-methyl-3-pentenyl) -3-cyclohexenecarbaldehyde; 4-acetoxy-3-pentyl tetrahydropyran; methyl dihydrojasmonate; 2-n-heptylcyclopentanone; 3-methyl-2-pentyl-cyclopentanone; n- decanal; n-dodecanal; 9-decenol-1; phenoxyethyl isobutyrate; phenylacetaldehyde dimethylacetal; Phenylacetaldehyde diethylacetal; geranonitrile; citronelonitrile; acetyl acetal; 3-isocanfilcyclohexanol; cedrylmethyl ether; isolongifolanone; aubepin nitrile; aubepin; heliotropin; eugenol; vanillin; diphenyl oxide; hydroxytryone-ionones; methyl-ionones; isomethyl-ionones; cis-3-hexenol and its esters; Indan moss fragrances; fragrances of tetralin moss; Isochroman moss fragrances; macrocyclic ketones; macrolactone moss fragrances; ethylene brasilate. The perfumes useful in the compositions of the present invention are substantially free of halogenated and nitromussed materials. Suitable solvents, diluents or vehicles for the perfume ingredients mentioned above are for example ethanol, isopropanol, diethylene glycol, monoethyl ether, dipropylene glycol, diethyl phthalate, triethyl citrate, etc. Preferably, the incorporated amount of said solvents, diluents or vehicles in the perfumes is kept to the minimum necessary to provide a homogenous perfume solution. The perfume may be present at a level of from 0% to 10%, preferably from 0.1% to 5%, and most preferably from 0.2% to 3% by weight of the finished composition. The fabric softening compositions of the present invention provide better deposition of perfume on the fabrics.
The perfume ingredients can also be suitably added as release fragrances, for example, as pro-perfumes or pro-fragrances, as described in the U.S. patent. No. 5,652,205, Hartman et al., Issued July 29, 1997, in 5 WO95 / 04809, WO96 / 02625, PCT US97 / 14610, filed August 19, 1997 and claiming priority on August 19, 1996; in EP-A-0,752,465, co-pending application EP 98870227.0, EP 98870226.2, EP 99870026.4, and EP 99870025.6; all of which are incorporated herein by reference.
10 h) Soil release agent Conveniently used soil release agents are used in the compositions of the present invention. Any polymeric soil release agent known to the person skilled in the art can optionally be employed in the compositions of this invention. The
15 polymeric soil release agents are characterized by having both hydrophilic segments, to hydrolyze the surface of hydrophobic fibers such as polyester and nylon, and hydrophobic segments to be deposited on hydrophobic fibers and remain adhered thereto until the completion of the washing cycles and rinsed and, well, it serves as an anchor for
20 hydrophilic segments. This can allow stains that appear after treatment with a soil release agent to be cleaned more easily in subsequent washing operations.
If used, the soil release agents will generally comprise from about 0.01% to about 10.0% by weight of the detergent compositions herein, typically from about 0.1% to about 5%, more preferably from about 0.2. % to about 3% by weight. The following documents, all included herein for reference, disclose suitable soil release polymers for use in the present invention. Patent of E.U.A. No. 3,959,230 to Hays, issued May 25, 1976; patent of E.U.A. No. 3,893,929 of Basadur, issued July 8, 1975; patent of E.U.A. No. 4,000,093, Nicol et al., Issued December 28, 1976; patent of E.U.A. No. 4,702,857, Gosselink, issued October 27, 1987; patent of E.U.A. No. 4,968,451, Scheibel et al., Issued November 6; patent of E.U.A. No. 4,702,857, Gosselink, issued October 27, 1987; patent of E.U.A. No. 4,711, 730, Gosselink et al., Issued December 8, 1987; patent of E.U.A. No. 4,721, 580, Gosselink, issued January 26, 1988; patent of E.U.A. No. 4,877,896, Maldonado et al., Issued October 31, 1989; patent of E.U.A. No. 4,956,447, Gosselink et al., Issued September 11, 1990; patent of E.U.A. No. 5,415,807, Gosselink et al., Issued May 16, 1995; European Patent Application 0 219 048, published April 22, 1987 by Kud et al. Additional suitable soil release agents are described in the US patent. No. 4,201, 824, Violland et al .; patent of
l? á.áiÁíj,? íí? iá. ? "I ..? I¿ * a * i ..
E.U.A. No. 4,240,918, Lagasse et al .; patent of E.U.A. No. 4,525,524, Tung et al .; patent of E.U.A. No. 4,579,681, Ruppert et al .; patent of E.U.A. No. 4,240,918; patent of E.U.A. No. 4,787,989; patent of E.U.A. No. 4,525,524; EP 279,134 A, 1988 by Rhone-Poulenc Chemie; EP 457,205 A of BASF (1991); and DE 2,335,044 Unilever N.V., all incorporated herein by reference. Commercially available soil release agents include METOLOSE SM100, METOLOSE SM200, manufactured by Shin-etsu Kagaku Kogyo K.K .; SOKALAN, for example SOKALAN HP-22, available from BASF (Germany), ZELCON 5126 (from Dupont) and MILEASE T (from ICI).
i) pH An optional requirement of the compositions according to the present invention is that the pH, measured in pure compositions at 20 ° C, is greater than 3, preferably between 3 and 12, preferably between 4 and 8, and very preferably it is 5. This scale is preferred for fabric security. The pH of these compositions can be regulated by the addition of a Bronsted acid.
j) Blowing Agents Blowing agents selected from the group consisting of ammonium carbonate, ammonium bicarbonate, or mixtures thereof are also suitable for use herein. It is believed that these agents, when they are
present, they generate small amounts of CO2 when exposed to heat, such as during the ironing operation. The CO2 will be released in the composition which is deposited as a film on the fabric. The film, and therefore the fabric, thus acquires more flexibility, resulting in a better ability to resist dry wrinkling when the fabric is stored or used.
k) Gap Fillers The compositions herein may further comprise gap fillers. By filling of gaps of fabric is meant here particles having the size and shape suitable for filling the structural defects of cotton, and thereby provide lubricating properties. Cyclodextrins such as those described in WO 99/55950 can be used as void fillings, as well as polyolefin dispersions such as those described in the US patent. No. 6,020,302. For this purpose, inorganic particles, for example, TiO2 and silica, can also be used.
I) Other optional ingredients The present invention may include optional components conventionally used in textile treatment compositions, for example, humectants such as diethylene glycol and / or salts such as lithium salts, dyes, bactericides, optical brighteners, opacifiers, anti-shrinking agents, germicides. , fungicides, antioxidants, protection agents
tt sa color as the color fixing agent described in EP 931133, enzymes, chelating agents, cyclodextrin as described in WO 98/56888, metal salts for absorbing compounds containing amine and sulfur, and selected from the group consisting of of copper salts, zinc salts, and mixtures thereof; water-soluble polyionic polymers, for example water-soluble cationic polymers such as polyamines, and water-soluble anionic polymers such as polyacrylic acids, other antistatic agents, insect repellents and / or moths, dyes and dyes, anti-caking agents and the like, typical description of which
10 can be found in WO 98/56888. Other optional ingredients are ingredients that provide protection against stains such as hydroxypropylcellulose and other cellulosic polymers such as carboxymethylcellulose. Preferably the compositions are free of any material that soils or stains the fabric, and are also substantially free of starch.
Typically, there should be less than about 0.5% by weight of the composition, preferably less than about 0.3%, preferably less than about 0.1% by weight of the composition, of starch and / or modified starch.
4) Form of composition The composition of the invention can take a variety of physical forms including liquid, liquid-gel, paste-like, foam either in aqueous or non-aqueous form, powder as granules and in the form of tablets. A preferred form of the composition is a liquid form. When in a liquid form, preferably the composition is dispensed by a dispensing means such as a spray dispenser, aerosol dispenser, or replacement thereof. Another preferred dispensing means is by incorporating the composition of the invention in the ironing tank per se, or by a cartridge preferably adapted for the iron.
5) Spray Dispenser The present invention also relates to such compositions incorporated in a spray dispenser to create an article of manufacture that can facilitate the treatment of articles and / or cloth surfaces with the compositions according to the invention, to a level that is effective. The spray dispenser comprises manually activated and operated (operated) spray media not manually, and a container containing the treatment composition. The typical description of said spray dispenser can be found in WO 96/04940, page 19 line 21 to page 22 line 27. Preferably, the spray dispenser is selected from spray dispenser comprising a battery operated pump, spray dispenser comprising a trigger sprayer device, a pressurized aerosol spray dispenser.
6) Method of use It has been found that the use of water soluble lubricant produced a reduction of WRA compared to water. Accordingly, a method is provided for increasing the WRA of the fabrics, which comprises the steps of contacting the fabrics with a water-soluble lubricant as defined herein above, using a domestic process. It has also been found that the use of the water-soluble lubricant or the composition of the invention provides a surprisingly good benefit over the wrinkle action upon use. Particularly, this benefit is achieved by spraying the compound or composition, preferably from a plate, during a otherwise known ironing operation. Accordingly, a method for treating fabrics is also provided, in particular to provide the fabrics in use with resistance to wrinkling, comprising the steps of contacting the fabrics with a water-soluble lubricant or a composition in accordance with invention, as defined herein above, using a domestic process. By "contacting" is meant any step that is suitable to provide a contact of the composition with the fabric. This may include soaking, washing, rinsing and / or spraying, as well as a drying sheet on which the composition is adsorbed. Preferably, the contact occurs after optional washing and drying of the fabrics, for example, by spraying the composition, preferably by spraying the composition from a spray dispenser of a plate, and / or through the vaporization holes of a hearth plate of a plate. iron, or foam or sprinkler separated from the iron. Therefore, in this case, the composition of the present invention is used as an ironing aid. An effective amount of the composition can be sprayed onto the fabric, wherein said fabric should not be sprayed until saturated. Another preferred way of treating the fabrics is when the fabric can be sprayed with an effective amount of the composition, allowed to dry and then ironed, or sprayed and ironed immediately. Accordingly, in a further aspect of the invention, the composition of the invention can also be sprayed onto the fabrics by means of spray which are incorporated in a plate, and the composition is incorporated in the water tank of the iron or by a cartridge adapted to fit inside the plate. Said plates are described for example in WO 00/08247 and WO 99/27176. As for the plate spray method, the spray means should preferably be capable of providing droplets with a weight average diameter of from about 40 to about 200 m, preferably from about 70 to about 150 m. Preferably, the moisture load on fabrics made of natural and synthetic fibers is from
about 5 to about 25%, preferably about 5 to about 10% by weight of the dried fabric. By "wrinkle reducing composition" is meant that the composition is tested on Oxford knitted, 100% cotton, punctiform fabric, according to the procedure given by W. Garner, "Textile Laboratory Manual" Vol. 6, ed. 3, Elsevier Ine, 1967, p. 105, the so-called "cylinder test". The cylinder test consists of taking 30 x 35 cm of a treated fabric, wrapping it around a plastic tube, placing the roll in a measuring cylinder of 360 ml (r = 1.7 cm, I = 40 cm), removing the tube and pushing the fabric down to occupy a volume of approximately 90 ml by means of a plastic tube which is an easy slide assembly for the cylinder. This test is carried out on fabric conditioned for 24 hours at 21 ° C and 65% RH. The fabric is left in the cylinder for 1 minute, it is immediately opened, visually inspected and then compared with a cloth treated only with water. The results obtained are compared with those of fabrics that have only been treated with water. The wrinkle reducing compositions are compositions that provide better resistance against wrinkles compared to water, ie, fabrics that have been treated with a composition of the invention show fewer wrinkles compared to fabrics that have only been treated with water. In a further aspect of the invention, the composition can be sprayed onto the fabrics in a domestic dewrinkling chamber containing the fabric to be de-rusted, thus providing ease of operation.
For use here, both conventional and conventional industrial scrubbing apparatuses are suitable. Traditionally, these devices act through a process of vaporization that effects a relaxation of the fibers. Examples of domestic dewrinkling chambers include shower rooms. The spraying of the composition or compounds onto the fabrics can then take place inside the chamber of the apparatus, or before putting the fabrics in the chamber. As for the manual spraying method, preferably the spraying means should be capable of providing droplets with a weight average diameter of from about 8 to about 100 m, preferably from about 10 to about 50 m. Preferably, the moisture load on fabrics made of natural and synthetic fibers is from about 5 to about 25%, preferably from about 5 to about 10% by weight of the dried fabric. Other conventional steps can be applied that can be carried out in the dewrinkling apparatus, such as heating, which will provide the step of curing and drying. Preferably, for optimum dewrinkling benefit, the temperature profile within the chamber varies from about 40 ° C to about 80 ° C, preferably from about 50 ° C to about 70 ° C. The preferred extent of the drying cycle is from about 15 to about 60 minutes, preferably from about 20 to about 45 minutes.
The vaporization step in the dewrinkling apparatus can also be eliminated if the composition is maintained at a temperature range from about 22 ° C to about 76 ° C before spraying. The present invention encompasses the method of spraying a mist of an effective amount of solution of the composition of the invention onto fabric and / or cloth articles. Preferably, said fabric and / or fabric articles include, without limitation, clothes, curtains, draperies, upholstered furniture, carpets, bedding, bath linen, linens, sleeping bags, mantedas, car interiors, etc. The compositions herein are especially useful when used to treat garments to prolong the time before requiring another wash cycle, and / or even reduce the time involved in ironing. Said garments include uniforms and other garments that are normally treated in an industrial process, which can be de-rusted and in which the time between treatments can be prolonged.
7) Article of manufacture An article of manufacture comprising a container and the composition of the invention is also provided herein, in association with a series of instructions for using the composition in an effective amount to provide a solution to the problems involved. wrinkles, and / or the provision of a benefit related to wrinkle reduction and the provision of resistance in use to fabrics. It is important that the consumer knows these additional benefits, otherwise he will not know that the composition could solve these problems and / or could give these benefits. As used herein, the phrase "in association with" means that the series of instructions is printed directly on the container itself or is presented in a separate form including, without limitation, a booklet, a printed advertisement, an electronic advertisement and / or verbal communication, in order to communicate the series of instructions to a consumer of the article of manufacture. The instruction series preferably comprises the instruction to apply an effective amount of the composition, preferably by spraying, to provide the indicated benefit, for example wrinkle reduction and provision of strength in use to the fabrics. The instruction series preferably comprises instructions for spraying the composition on the fabrics and ironing the fabrics. The invention is illustrated in the following non-limiting examples, in which all percentages are based on weight, unless otherwise indicated. In the examples, the abbreviated identifications of components have the following meanings: Polymer 1: Isomaltooligosaccharide, available from Showa Sangyo Co. under the trademark IMO 900. Polymer 2: Polyvinylpyrrolidone, available from BASF under the trademark Luviskol K30.
Polymer 3: Copolymer of vinylpyrrolidone and vinylcaprolactam, available from BASF under the trademark Luvitec VPC. Polymer 4: Vinylpyrrolidone copolymer and vinylimidazolinium metachloride, available from BASF under the trademark Luviquat FC 905. Lubricant 1: Polyalkylene oxide polysiloxane, commercially available under the trademark Silwet 7200 from OSl Chem./Witco. Lubricant 2: Polyalkylene oxide polysiloxane, commercially available under the trademark Silwet 7657 from OSl Chem./Witco. Lubricant 3: Polyethoxylated sorbitan monolaurate (20 moles), commercially available under the brand Radiasurf 7137 from FINA. Lubricant 4: Polyethoxylated sorbitan tristearate (20 moles), commercially available under the trademark Tween 65. Wetting agent 1: Polyalkylene oxide polysiloxane, commercially available under the trademark Silwet 7600 from OSl Chem./Witco. Wetting agent 2: Polyalkylene oxide polysiloxane, commercially available under the trademark Silwet L 77 from OSl Chem./Witco. Emulsifier 1: CAE 10 (condensed cocoalcohol with an average of 10 moles of ethylene oxide).
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Claims (17)
1. A wrinkle reducing composition for fabrics comprising a lubricant, preferably soluble in water, and a component having a wrinkle recovery angle (WRA) of fabric against water of at least +15.
2. The composition according to claim 1, further characterized in that the water-soluble lubricant is selected from non-ionic surfactants containing silicone and ethoxylated sorbitan esters.
3. The composition according to any of claims 1 or 2, further characterized in that the water-soluble lubricant is present in an amount of 0.1% to 70% by weight of the composition.
4. The composition according to any of claims 1-3, further characterized in that the component having a deviation of the fabric WRA against water of at least 15, is a material selected from the group consisting of polymers retention of form, polymers comprising at least one unit that provides a dye transfer inhibition benefit, urethane polymers, isomaltooligosaccharide, polyvinylamine polymers, amphoteric polymers, aminosilicones, curable silicones, and mixtures thereof.
5. - The composition according to any of claims 1-4, further characterized in that the component having a deviation of the fabric WRA against water of at least +15, is present in an amount of at least about 0.01% by weight of the composition, preferably from about 0.1% to about 20%, preferably up to about 10% by weight of the composition.
6. The composition according to any of claims 1-5, further characterized in that the water-soluble lubricant and the component having a deviation of the fabric WRA from water of at least +15, are present in a ratio of weight from 10: 1 to 1: 1.
7. The composition according to any of claims 1-6, further characterized in that it is a liquid composition, preferably a liquid aqueous composition.
8. An article of manufacture comprising a composition as claimed in any of claims 1-7, wherein the article is selected from an aerosol, a spray dispenser, a plate, a foam dispenser or a replacement or spray cartridge, spray dispenser, iron or foam dispenser. 9.- The article of manufacture in accordance with the claim 8, further characterized in that said article is a spray dispenser selected from a spray dispenser comprising a battery operated pump, a spray dispenser comprising a spray trigger device, a pressurized spray mist dispenser, a spray dispenser, and a spray dispenser. spray comprising a spray dispenser not manually operated. 10. A method for treating fabrics comprising the steps of contacting the fabric with a water soluble lubricant or composition as claimed in any of claims 1-9, and preferably subsequently curing the fabric. 11. The method according to claim 10, characterized in that it provides a reduction of time and / or effort dedicated to the ironing of fabrics. 12. The method according to any of claims 10 or 11, further characterized in that it increases the WRA of the fabric. 13. The method according to any of claims 10-12, further characterized in that it provides resistance in use to the treated fabrics. 14. The method according to any of claims 10-13, further characterized in that it is carried out in a domestic dewrinkling apparatus. 15. The method according to any of claims 10-13, further characterized in that said composition is sprayed on said cloth, and said fabric is ironed. 16. An article of manufacture comprising a container and the composition claimed in any of claims 1-7, in ) if it is associated with instructions for using an effective amount of said composition on the fabric to provide at least one benefit selected from the group consisting of: wrinkle reduction; reduction of time and / or effort dedicated to the ironing of fabrics; Provision of resistance in use to fabrics. 17. The use of a composition as claimed in claims 1-7, or a cartridge as claimed in claim 8, in a plate for the treatment of fabrics. Pa ?? .? - ^ u * A. ~ j) | tr? áit & tülrtlmt-j¿lfca »tiaL
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99870223A EP1096060A1 (en) | 1999-10-27 | 1999-10-27 | Wrinkle resistant composition |
PCT/US2000/029769 WO2001031112A2 (en) | 1999-10-27 | 2000-10-27 | Wrinkle resistant composition |
Publications (1)
Publication Number | Publication Date |
---|---|
MXPA02004210A true MXPA02004210A (en) | 2002-10-17 |
Family
ID=8243917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MXPA02004210A MXPA02004210A (en) | 1999-10-27 | 2000-10-27 | Wrinkle resistant composition. |
Country Status (7)
Country | Link |
---|---|
EP (2) | EP1096060A1 (en) |
JP (1) | JP2003513176A (en) |
AU (1) | AU1242601A (en) |
CA (1) | CA2386928A1 (en) |
CZ (1) | CZ20021397A3 (en) |
MX (1) | MXPA02004210A (en) |
WO (1) | WO2001031112A2 (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030071075A1 (en) * | 2001-04-23 | 2003-04-17 | Frankenbach Gayle Marie | Aqueous fabric care compositions for effective use away from the home and accessories for use therewith |
GB0201165D0 (en) | 2002-01-18 | 2002-03-06 | Unilever Plc | Azetidinium modidfied poymers and fabric treatment composition |
GB0219281D0 (en) * | 2002-08-19 | 2002-09-25 | Unilever Plc | Fabric care composition |
AU2003260168B2 (en) * | 2002-10-04 | 2005-07-07 | Tenix Investments Pty Ltd | Data quality & integrity engine |
DE102004015376A1 (en) * | 2004-03-26 | 2005-10-13 | Henkel Kgaa | Use of silicon containing compounds modified with organic residues, for improving the blocking of moldering of textile fabrics |
JP2008509249A (en) | 2004-08-03 | 2008-03-27 | ジョンソンディバーシー・インコーポレーテッド | Lubricant composition for conveyor tracks or containers |
WO2006106472A2 (en) | 2005-04-07 | 2006-10-12 | Koninklijke Philips Electronics N.V. | Ironing appliance comprising identification means for identifying the fabric type of articles to be ironed |
JP4652126B2 (en) * | 2005-05-23 | 2011-03-16 | 花王株式会社 | Iron finish |
GB0515057D0 (en) | 2005-07-22 | 2005-08-31 | Unilever Plc | Improvements relating to domestic laundering |
KR20100110732A (en) * | 2009-04-03 | 2010-10-13 | 라이온 가부시키가이샤 | Soft goods aqueous wrinkle diminution agent composition |
US11530300B2 (en) | 2014-05-01 | 2022-12-20 | Cornell University | Residual soy flour sugars as crosslinkers for enhancing mechanical performance of protein fibers |
WO2015168662A1 (en) | 2014-05-01 | 2015-11-05 | Cornell University | Green technology for crosslinking protein molecules for various uses |
CN106592249B (en) * | 2016-11-25 | 2019-02-22 | 山东黄河三角洲纺织科技研究院有限公司 | A kind of crease-shedding finishing agent of cotton fabric and preparation method thereof and anti-crease finishing technique |
CN109342311A (en) * | 2018-10-08 | 2019-02-15 | 浙江染化宝检测服务有限公司 | A kind of high-precision wrinkle recovery angle of woven fabrics using viscoelasticity theory detector |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB674948A (en) * | 1948-03-27 | 1952-07-02 | Monsanto Chemicals | Improvements in or relating to the production of a glazed finish on textile fabrics |
BE552146A (en) * | 1955-11-01 | |||
US3965014A (en) * | 1972-12-07 | 1976-06-22 | Colgate-Palmolive Company | Anionic fabric conditioners |
US4376802A (en) * | 1980-01-24 | 1983-03-15 | Allied Corporation | Finish composition for polyester yarn |
US4661268A (en) * | 1985-12-24 | 1987-04-28 | Very Incredible Products, Inc. | Wrinkle removing solution and process for using same |
JPH0411288A (en) * | 1990-04-27 | 1992-01-16 | Brother Ind Ltd | Karaoke device with song search function |
US5100566A (en) * | 1991-02-04 | 1992-03-31 | Dow Corning Corporation | Fabric wrinkle reduction composition and method |
US5573695A (en) * | 1995-12-19 | 1996-11-12 | Targosz; Eugene F. | Compositions for removal of wrinkles in fabrics |
-
1999
- 1999-10-27 EP EP99870223A patent/EP1096060A1/en not_active Withdrawn
-
2000
- 2000-10-27 EP EP00973987A patent/EP1238137A2/en not_active Withdrawn
- 2000-10-27 JP JP2001533243A patent/JP2003513176A/en not_active Withdrawn
- 2000-10-27 CA CA002386928A patent/CA2386928A1/en not_active Abandoned
- 2000-10-27 WO PCT/US2000/029769 patent/WO2001031112A2/en not_active Application Discontinuation
- 2000-10-27 AU AU12426/01A patent/AU1242601A/en not_active Abandoned
- 2000-10-27 MX MXPA02004210A patent/MXPA02004210A/en not_active Application Discontinuation
- 2000-10-27 CZ CZ20021397A patent/CZ20021397A3/en unknown
Also Published As
Publication number | Publication date |
---|---|
EP1096060A1 (en) | 2001-05-02 |
AU1242601A (en) | 2001-05-08 |
EP1238137A2 (en) | 2002-09-11 |
WO2001031112A2 (en) | 2001-05-03 |
CA2386928A1 (en) | 2001-05-03 |
CZ20021397A3 (en) | 2002-09-11 |
JP2003513176A (en) | 2003-04-08 |
WO2001031112A3 (en) | 2001-11-22 |
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FA | Abandonment or withdrawal |