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WO1999051431A1 - Resines polyester hydrophobes susceptibles de dispersion/redispersion dans l'eau, et leur application dans des revetements - Google Patents

Resines polyester hydrophobes susceptibles de dispersion/redispersion dans l'eau, et leur application dans des revetements Download PDF

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Publication number
WO1999051431A1
WO1999051431A1 PCT/US1999/007128 US9907128W WO9951431A1 WO 1999051431 A1 WO1999051431 A1 WO 1999051431A1 US 9907128 W US9907128 W US 9907128W WO 9951431 A1 WO9951431 A1 WO 9951431A1
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WO
WIPO (PCT)
Prior art keywords
weight
water
coated
substrate
polyester
Prior art date
Application number
PCT/US1999/007128
Other languages
English (en)
Inventor
Robert Keith Salsman
Timothy Shouting Wang
Original Assignee
Seydel Research, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Seydel Research, Inc. filed Critical Seydel Research, Inc.
Publication of WO1999051431A1 publication Critical patent/WO1999051431A1/fr

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/10—Coatings without pigments
    • D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
    • D21H19/24—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H19/28—Polyesters
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
    • C04B41/48—Macromolecular compounds
    • C04B41/4826—Polyesters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
    • C09D167/08—Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/65—Additives macromolecular
    • 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
    • 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
    • D06M15/507—Polyesters
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
    • D06N3/121—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyesters, polycarbonates, alkyds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/16—Sizing or water-repelling agents
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/30—Pretreatment of the paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
    • D21H25/04—Physical treatment, e.g. heating, irradiating
    • D21H25/06—Physical treatment, e.g. heating, irradiating of impregnated or coated paper
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Definitions

  • This invention relates to a process for coating the surface of a substrate with a water repellent coating composition comprising a polyester
  • This invention also relates to the synthesis from polyethylene terephthalate (PET)
  • the present is invention also relates to
  • Such resins can be used for many applications in the paper, textile, coatings, paint, construction, and other materials.
  • polyethylene terephthalate scrap with an alkylene oxide such as propylene oxide.
  • product can be used in making rigid foams.
  • polyols are proposed by Svoboda et al. in U.S. Pat. No. 4,048,104; and Altenberg et
  • the polyester resin suitable for textile sizing applications.
  • the polyester resin comprises a reaction
  • compositions also comprise 20-50% by weight of isophthalic acid.
  • water-soluble or water-dispersible resin comprises a reaction product of 20-50% by weight of waste terephthalate polymer, 10-50% by weight of at least one glycol and
  • PET polyethylene terephthalate
  • ester based on polyethylene glycol
  • polyester glycolysis product with an alpha, beta-ethylenically unsaturated dicarboxylic
  • stearic acid oleic acid, palmitic acid, behenic acid, etc. These are most likely isolated from naturally occurring triglycerides such as vegetable and animal fats and oils.
  • polyester resins
  • these resins can be made into water dispersions or emulsions. Because of the large amount of hydrophobic or non-polar functionality these resins
  • resins of the present invention which are derived from polyethylene terephthalate and which exhibits high water repellency as evidenced by high contact angles.
  • An additional object of the invention is to utilize waste polyester material in
  • polyester resins having improved hydrophobicity and non-polarity
  • the present invention relates to water dispersible/and redispersible
  • the present invention is a first invention having improved hydrophobicity or non-polar characteristics.
  • the present invention is a first invention having improved hydrophobicity or non-polar characteristics.
  • polyester resins having the following general formula:
  • P is a polyester backbone
  • A is an aliphatic group
  • m is an integer
  • the ionic groups I which are required for water-dispersibility are typically
  • the weight percent of ionic monomers in the resin is from 1 % to 20%
  • the backbone P of the polymer is composed of polyester groups. It can be
  • the method is to generate the backbone using polyester from recycled sources.
  • the weight percent of the polyester backbone ingredients range from 30-80% of the whole resin,
  • the aliphatic groups A consist of straight or branched 6-24 carbon chain
  • the weight percent of the aliphatic moiety can be
  • the contact angles achieved when the resins are coated on paper are of the order of 98 or higher.
  • the present invention is also directed to a water dispersible and hydrophobic
  • polyester resin comprising a reaction product of 30-70% by weight of a terephthalate
  • hydroxyl groups 1-20% by weight of a carboxy functional compound having at least two carboxy 1 groups and 10-60% by weight of a compound selected from the group of
  • the instant invention is also directed to substrates such as paper , paperboard ,
  • reaction product of 30-70% by weight of a terephthalate polymer; 5-40% by weight of a hydroxy functional compound having at least two hydroxyl groups; 1-20% by
  • a carboxy functional compound having at least two carboxyl groups and 10-60% by weight of a hydrophobic compound selected from the group consisting of
  • the present invention is also directed to an article of manufacture comprising a substrate coated with a water dispersible and hydrophobic polyester coating
  • composition comprising a reaction product of 40-60% by weight of polyethylene terephthalate polymer; 1 -10% by weight of neopentylglycol; 5-10% pentaerythritol; 3
  • trimellitic acid or trimellitic anhydride to 15% by weight of trimellitic acid or trimellitic anhydride; and 10-45% by weight of
  • the invention also features a water repellent polyester coating composition
  • reaction product comprising a reaction product of 30-70% by weight of a terephthalate polymer; 5-40% by weight of a hydroxy functional compound having at least two hydroxyl groups;
  • Another novel aspect of the invention is a water repellent polyester coating
  • composition comprising a reaction product of 40-60% by weight of polyethylene
  • terephthalate polymer 1-10% by weight of neopentylglycol; 5-10% pentaerythritol;
  • trimellitic acid or trimellitic anhydride 3 to 15 % by weight of trimellitic acid or trimellitic anhydride; and 10-45% by weight
  • the invention is also directed to a method for imparting water repellency to
  • substrates selected from the group consisting of fibrous substrates and leather comprising
  • composition comprising the reaction product of 30-70% by weight of a terephthalate polymer; 5-40% by weight of a hydroxy functional
  • hydrophobic compound selected from the group consisting of C 6 -C 24 straight chain or branched fatty acid or triglycerides thereof.
  • This invention is further directed to a process for providing a water
  • a water dispersible coating composition comprising a reaction product
  • carboxy functional compound having at least two carboxyl groups and 10-60 % by weight
  • hydrophobic compound selected from the group consisting of C 6 -C 24 straight chain or branched fatty acid or triglycerides thereof; and curing said composition on the
  • polyester resin functionality of the polyester resin to take place; or allowing the coated surface to dry at room temperature whereby a film-like coating is provided on said surface which can
  • the invention also describes polyester resins which can be made containing
  • novel water dispersible resins of the present invention can be any novel water dispersible resins of the present invention.
  • I is the ionic group
  • P is polyester
  • a multi-functional glycol in the backbone providing additional hydroxyl functionality present at 1-3 times the equivalents of group 3.
  • a hydrophobic moiety such as but not limited to, a saturated fatty
  • composition of the present invention can be used for providing water and oil repellency to fibrous substrates such as textiles, papers, non- woven articles or
  • the water-dispersible resins of the present invention are synthesized by
  • the water-soluble or water-dispersible resins are made from waste
  • terephthalate polymers including bottles, sheet material, textile wastes and the like.
  • waste terephthalate plastics may be bought from recyclers and include, but are not limited to, material identified as "PET rock".
  • the waste terephthalate can be
  • R is the residue of an aliphatic or cycloaliphatic glycol of 2-10 carbons of or
  • x is an integer from 2-4 and n is 1-10.
  • waste terephthalate polymer is a polyalkylene terephthalates
  • polyesters such as polyethylene terephthalate and polybutylene terephthalate, polycyclohexanedimethanol terephthalate or a mixture thereof.
  • Other suitable polyesters such as polyethylene terephthalate and polybutylene terephthalate, polycyclohexanedimethanol terephthalate or a mixture thereof.
  • polymers which can be used in the practice of the present invention include poly 1 ,2 and
  • the ionic group I n needed for water-dispersibility can be a carboxylic acid which is introduced into the resin by polyacid monomers such as Trimellitic anhydride,
  • Trimellitic acid, or Maleic Anhydride or sulfonate groups which come from monomers such as dimethyl 5-sulfoisophthalate (DMSIP or dimethyl 5-
  • sulfo,l,3-benzenedicarboxylate sulfoisophthalate ethylene glycol (SIPEG or dihydroxy ethyl 5-sulfol,3-benzenedicarboxylate, or from sulfonated alkenically
  • isophthalic acid preferably selected from the group consisting of isophthalic acid, terephthalic acid,
  • phthalic anhydride (acid), adipic acid and etc.
  • Other preferred polyacids but not limited
  • phthalic anhydride (acid)
  • isophthalic and terephthalic acids adipic acid
  • fumaric acid 2,6 naphthalene dicarboxylic acid
  • glutaric acid Mixtures of the above acids
  • ionic monomers in the resin is from 1 % to 20% percent, but 5 to 10% is preferred.
  • the backbone of the polymer is composed of polyester groups. It can be any linear or branched polyester made using polyacids and polyalcohols. The preferred
  • the method is to generate the backbone using polyester from recycled sources.
  • percent of the polyester backbone ingredients range from 30-80% of the whole resin
  • Such backbone is typically derived by reacting
  • PET such as waste PET with a hydroxy functional compound containing at least two
  • the hydroxy functional compound having at least two hydroxy groups
  • ethylene glycol is selected from the group consisting of ethylene glycol, diethylene glycol, triethylene
  • 1,5-pentanediol 1,6-hexanediol, glycerol, trimethylolpropane, trimethylolethane, pentaerythritol, erythritol or a monosaccharide.
  • other hydroxy 1,6-hexanediol, glycerol, trimethylolpropane, trimethylolethane, pentaerythritol, erythritol or a monosaccharide.
  • compounds having at least two hydroxyl groups include derivatives of glycerol, trimethylolpropane, trimethylolethane, pentaerythritol, erythritol or a monosaccharide
  • the aliphatic groups consist of 6-24 carbon chain fatty acids or triglycerides
  • mixtures which can come from hydrogenated or unhydrogenated animal or vegetable
  • the weight percent of the aliphatic moiety can be 10-60% with 20-40% the preferred amount.
  • This group must be present at 10-50 weight percent.
  • polyester polymers These ingredients can be chosen from Polyethylene
  • Terephthalate or similar terephthalates and/or difunctional acids such as terephthalic acid, isophthalic acid, phthalic acid or anhydride combined with difunctional alcohols
  • ethylene glycol such as ethylene glycol, diethylene glycol, neopentyl glycol, propylene glycol, etc.
  • steps 1-3 can be done in
  • polyester resins are usually and preferably made using an ester-interchange catalyst.
  • These catalysts are metal carboxylates and well known
  • organometallic compounds particularly compounds of tin or titanium. Preferred
  • catalysts include manganese acetate, sodium acetate, zinc acetate, cobalt acetate or
  • alkyl stannoic acid or dialkyl tin oxides such as monobutyl stannic acid or
  • Preferred catalysts include monobutyl stannoic acid and tetrapropyl
  • the resins of the present invention typically have average molecular weights
  • Preferred resins typically have a molecular
  • the coating can be applied at any location.
  • the substrates coated with the present polyester coating composition are identical to the substrates coated with the present polyester coating composition.
  • Said temperature is preferably above 100 degrees Centigrade, more
  • cellulosic materials e.g. paper or paperboard.
  • the substrates can be a
  • fabric such as a non-woven, woven, knit or scrim; fiber or polymeric film.
  • fiber or film can be made of polymeric materials, such as polyamide, polyester,
  • polyvinylidene fluoride poly aery lie
  • poly olef ins such as polyethylene
  • Polypropylene Exemplification include; for example, fiber weaves, glass, paper, wood,
  • Examples of manufactured fiber weaves include cotton, flax, wool, silk, and other plant and animal natural fibers. Examples also include synthetics, such as polyamide, polyester, poly vinyl alcohol,
  • poly aery lonitr ile poly vinyl chloride, polypropylene, rayon, acetate, semi-synthetic fibers, glass fibers, asbestos fibers, and other inorganic fibers.
  • the water dispersible polyester coating composition of this invention is
  • the water dispersible polyester coating composition can be used directly for
  • the polymer dispersion may be applied to a substrate film or sheet on a coating
  • the substrate film or sheet is by the reverse gravure process.
  • the substrate film or sheet may be subjected beforehand to flaming-off treatment to remove any protruding portions on the surfaces of substrates.
  • ammonium hydroxide in dilute ammonium solution.
  • the amount of the ammonium hydroxide used depends on the amount of the ammonium hydroxide used.
  • the PET, pentaerythritol, neopentyl glycol, and the TPT are added into reactor and heated to 200-270 ° C under a nitrogen blanket. The reaction takes 30 to 180 minutes and
  • anhydride is added and reacted at 150-180 degrees Centigrade for 15 minutes.
  • Example 1 The water-dispersed resin is coated on the paper and paperboard, which leads to the same results as Example 1.
  • a recipe containing a triglyceride is shown as follows:
  • the hydrogenated tallow triglycerides are first reacted with pentaerythritol at 180 to 270
  • PET, NPG, and TPT are added to the reactor and
  • the final resin is diluted in
  • water-dispersed resin is a stable emulsion.
  • the board is
  • Example 3 the same formula is used as in Example 3 except the hydrogenated tallow triglycerides are substituted with corn oil or soy-bean oil. Care
  • Example 3 are similar to those of Example 3 except that the presence of unsaturated groups in the oil makes the resin less firm.
  • the coating on paper or paperboard has a slightly higher
  • the polymerization is continued until the acid value is below 10. Finally the TMA or MA is added at a reduced temperature to ensure control.
  • the final resin is dispersed in ammonium or sodium sulfite solution as in previous examples.
  • the resin dispersion has
  • coated paper or paperboard shows great water
  • the Stearic acid, the Monobutyl Stannoic Acid, and the Pentaerythritol are added to the vessel and reacted at 160 to 270 °C until the acid value is less than 100.
  • the Phthalic acid is added to the vessel and reacted at 160 to 270 °C until the acid value is less than 100.
  • the final resin is dispersed in ammonium or sodium sulfite solution as in previous examples.
  • the resin dispersion has
  • coated paper or paperboard shows great water
  • water-dispersible resin is obtained and the resin shows similar properties as described above.
  • inventions can be used to coat substrates such as cellulosic or synthetic substrates such as cellulosic or synthetic substrates such as cellulosic or synthetic substrates such as cellulosic or synthetic substrates such as cellulosic or synthetic substrates such as cellulosic or synthetic substrates such as cellulosic or synthetic substrates such as cellulosic or synthetic substrates such as cellulosic or synthetic substrates such as cellulosic or synthetic substrates such as cellulosic or synthetic substrates such
  • polyester resins find use as coatings in the following industrial applications:
  • Some food packages fresh produce, frozen goods, dry food, dairy products,
  • EVA polyethylene vinyl acetate copolymers
  • the resins described in this invention are composed of raw materials that
  • PET make these resins highly desirable for coating paper or paperboard intended for
  • Paper intended for printing or magazine paper has a coating that consists of Styrene Butadiene Rubber latex (SBR), poly vinyl acetate latex, rosin and/or other
  • the coating is used to impart properties such as clay and starch.
  • Paper Bags for carrying consumer purchases, etc. have a problem in that if
  • Envelopes or packaging board coated with these disclosed resins provide sufficient protection.
  • system would be fiber drums, book and notebook covers, popcorn bags, paper plates, paper cups, paper rainwear such as disposable clothing, paper construction materials
  • the resins described here can find applications in a number of areas in the textile industry. Some of these areas of application include: Fiber or Thread Finishes, clothing
  • the resins described here can be used to waterproof
  • wood products Some examples of wood products where the described resins could be
  • the products described in this invention can be used for this purpose. Some examples are: overpasses and bridges on roads, high traffic areas such
  • the inventive resins can be used as additives.
  • Fiberglass is used as the structural material for a great deal of commonly used items such as shower stalls, boats, kitchen and bathroom sinks. The described
  • resin could be used as part of the formulation to make these products repel water more
  • Metal coils are commonly coated with a resin to prevent rust or oxidation
  • the currently used products are generally resins dissolved in some solvent.
  • the resins described here could be used as replacements for
  • Cars, gutters and appliances may be coated with the resins of the present
  • the amount of the composition applied to a substrate in accordance with the present invention is chosen so that sufficiently high or desirable water and oil
  • repellencies are imparted to the substrate surface, said amount usually being such that
  • imparting composition of the present invention is carried out by using well-known methods including dipping, spraying, padding, knife coating, and roll coating. Drying
  • the substrate is done at 120°C or below, including room temperature, e.g., about
  • PE-230 Hydrophilic polyester size 68.5 52.7 15.8
  • Resin 2161 This resin is the reaction product of: 38.57 wt% PET, 43.17 wt% fatty acids
  • Resin 2160 This resin is the reaction product of: 42.84 wt% PET, 37.94 wt% fatty acids
  • Resin 2148 This resin is the reaction product of: 48.08 wt% PET, 28.82 wt% fatty acids
  • Resin 2141 This resin is the reaction product of: 34.27 wt% isophthalic acid, 25.86
  • wt% stearic acid 7.07 wt% pentaerythritol, 19.18 wt% neopentylglycol, 3.35 wt% diethyelenglycol and 10.17 wt% trimellitic anhydride.
  • Resin 2180 This resin is the reaction product of: 61.72 wt% PET, 20.00 wt% stearic
  • Resin 2086 This resin is the reaction product of: 74.90 wt% PET, 15.00 wt% stearic
  • the corona-treated paper sheet was coated with XWP (resin
  • the coated paper sheet was dried at 120°C or below by

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Textile Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Structural Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Paper (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Paints Or Removers (AREA)

Abstract

L'invention concerne la synthèse, à partir de matériaux PET (qu'ils s'agissent de matériaux d'origine, de matériaux non utilisés, recyclés, consommés ou de matières premières précurseurs), de nouvelles résines polyester susceptibles de dispersion ou d'émulsion dans l'eau présentant des caractéristiques d'hydrophobie ou de non-polarité améliorées. Ces caractéristiques confèrent aux films sur lesquels ces dispersions ou émulsions sont appliquées un caractère hydrophobe accru tout en conservant leurs propriétés de redispersion et de ré-émulsion. De telles résines peuvent être utilisées pour nombre d'applications, notamment dans les industries du papier, du textile, des revêtements, de la peinture, du bâtiment, et autres.
PCT/US1999/007128 1998-04-07 1999-03-31 Resines polyester hydrophobes susceptibles de dispersion/redispersion dans l'eau, et leur application dans des revetements WO1999051431A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5597298A 1998-04-07 1998-04-07
US09/055,971 1998-04-07

Publications (1)

Publication Number Publication Date
WO1999051431A1 true WO1999051431A1 (fr) 1999-10-14

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CA2327294A1 (fr) 1999-10-14
AU747282B2 (en) 2002-05-09
AU3219399A (en) 1999-10-25
CN1298347A (zh) 2001-06-06
WO1999051430A1 (fr) 1999-10-14
EP1084030A1 (fr) 2001-03-21
AU743591B2 (en) 2002-01-31
AU3219499A (en) 1999-10-25
EP1084030A4 (fr) 2002-05-29

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