EP0523681B1 - Maschinengeschirrspülmittel und Verfahren zu seiner Herstellung - Google Patents
Maschinengeschirrspülmittel und Verfahren zu seiner Herstellung Download PDFInfo
- Publication number
- EP0523681B1 EP0523681B1 EP92112124A EP92112124A EP0523681B1 EP 0523681 B1 EP0523681 B1 EP 0523681B1 EP 92112124 A EP92112124 A EP 92112124A EP 92112124 A EP92112124 A EP 92112124A EP 0523681 B1 EP0523681 B1 EP 0523681B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weight
- acid
- surfactant
- water
- thickener
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2075—Carboxylic acids-salts thereof
- C11D3/2079—Monocarboxylic acids-salts thereof
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/0008—Detergent materials or soaps characterised by their shape or physical properties aqueous liquid non soap compositions
- C11D17/003—Colloidal solutions, e.g. gels; Thixotropic solutions or pastes
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2075—Carboxylic acids-salts thereof
- C11D3/2086—Hydroxy carboxylic acids-salts thereof
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/26—Organic compounds containing nitrogen
- C11D3/33—Amino carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/37—Polymers
- C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C11D3/3757—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions
- C11D3/3765—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions in liquid compositions
Definitions
- the invention is based on a low-foaming surfactant and a dishwasher detergent containing polymeric polycarboxylic acid.
- Dishes are cleaned in dishwashers today generally two or more stages in one main wash Use of a main cleaning agent and one or more rinse cycles using - at least in the last rinse - a rinse aid, that usually consists of a wetting, nonionic surfactant and a weak organic acid, generally citric acid and who has the task of wetting the dish surface well to ensure the formation of limescale or detergent deposits to prevent especially on glasses.
- a rinse aid that usually consists of a wetting, nonionic surfactant and a weak organic acid, generally citric acid and who has the task of wetting the dish surface well to ensure the formation of limescale or detergent deposits to prevent especially on glasses.
- the known dishwashing detergents of this type have a number considerable disadvantages.
- a major disadvantage is the high content of alkalis with their strong caustic effects on skin and mucous membranes, which is the cause of the fact that the known dishwashing detergents on the one hand, cannot be classified as "childproof” and, on the other hand often cause damage to the decorations of the harness.
- child safety today can generally be seen as one by the consumer as a self-evident property of all budget funds apply, just as today the consumer is hardly willing to stand alone because of the usability of a dishwasher on the use of to restrict machine-proof dishes.
- the high, up to 50% and above the phosphate content of the known Dishwasher detergents are known to have a significant environmental impact Water eutrophication.
- the dishwashing liquid is slightly acidic falls however, as a powdery product of high concentration and therefore causes Handling problems. Furthermore, arise great manufacturing difficulties.
- Dishwasher detergent that has become known to help remove its strong corrosive effect is set slightly acidic, but powdery and the use of high proportions of environmentally harmful phosphate as a reinforcing agent can not do without.
- EP-A-355 551 a pasty washing and Known cleaning agent, which essentially consists of a surfactant combination an alkyl glycoside as a nonionic surfactant and an alpha sulfofatty acid disalt contains as an anionic surfactant on an aqueous basis.
- FR-B-1 545 299 is a cleaning phase and a dishwashing method comprising a rinsing phase has become known, which in the cleaning phase consists of an acidic mixture water-soluble monomeric and / or polymeric phosphates and complexing organic acids and / or water-soluble salts thereof Acids and weakly foaming wetting agents as an active substance in the rinsing phase and complex-forming organic acids as well as water-soluble Salts of these acids can be used. These agents are organic difficult to degrade and very irritating to the skin.
- the present invention has for its object to provide a liquid dishwashing detergent, which is effective childproof, i.e. is absolutely non-toxic, good skin tolerance and does not cause environmental pollution.
- the dishwashing detergent according to the invention contains no phosphates and toxic components and is otherwise fully biodegradable. It is therefore child-safe and environmentally compatible. It is also due its weakly acidic setting of good skin and mucous membrane tolerance with excellent effectiveness especially as Dishwasher detergent. It has been shown that by using the invention Dish detergent also removes tea and coffee stains can be, so that on the usual in the known standard cleaners Use of bleaching agents can be dispensed with.
- the agent is produced in such a way that that first the powdery thickener with a liquid non-ionic water-free surfactant and the so formed dispersed mass is added to the liquid (dissolved) surfactant, whereupon the liquid line for the purpose of dissolving the thickener and Gelling with alkali to a pH between 4 and 6. preferably 5 is neutralized.
- the invention provides a method by means of which using a powdery, non-water-soluble substance a liquid detergent of high effectiveness can be made can do so by adding water to any desired concentration can be brought. Due to the watery basis of the The use of fillers, such as sodium sulfate, which is another notable in terms of environmental sustainability Is an advantage.
- the liquid or gel-like consistency of the By means of it facilitates its handling, especially its dosage in extraordinary way and thus comes to the habits of consumers contrary to experience, the dosing of a larger amount prefer to dose small amounts. It can be the most common powdery detergents observed overdose practically completely be excluded.
- the agent because of its liquid consistency can be dosed from a spray bottle, so that skin contact with the agent is largely excluded can.
- Automatic metering is also possible without further ado when using powdered agents, not or only with considerable technical effort is possible.
- non-foaming or low-foaming, preferably readily biodegradable surfactants are used, in particular non-ionic surfactants of the type of fatty alcohols alkoxylated with ethylene oxide and propylene oxide or end groups capped, preferably terminally methylated fatty alcohol polyglycol ethers, moreover, anionic surfactants of the short-chain type Ether carboxylic acids to a large extent in the agent can be included. Due to high proportions of these substances the use of phosphates, their - in conventional Agents exercised - effect of the environmentally compatible surfactant is taken over.
- Suitable acidifiers are the food acids, preferably citric acid, tartaric acid, acetic acid, gluconic acid or Malic acid, used singly or in a mixture with each other, while as water softener and dirt disperser with advantage polyacrylic acid and / or a copolymer of acrylic acid and maleic acid (sodium salt) be used.
- the pasted Mass of the solution is added with constant stirring.
- the triethanolamine is added until Reaching a pH of about 5 with first solving the solid Components of the mixture and subsequent gelation. It results - a clear, homogeneous and storage stable gel with a viscosity of 5000 mPas at 20 ° C in a rotary viscometer.
- the operational concentration based on the total formulation is 6g / l in the main wash.
- the production takes place analogously to example 1.
- the product is a slightly cloudy, homogeneous gel.
- the pH is adjusted to 5 with triethanolamine set.
- the viscosity is 6000 mPas at 20 ° C in Rotational viscometer.
- the use concentration in the main cleaning cycle the dishwasher is 5 g / l wash water.
- the product is a clear, homogeneous and storage-stable gel.
- the pH is adjusted to 5 with KOH.
- the viscosity is approx. 10,000 mPas at 20 ° C in a rotary viscometer.
- the concentration in the main wash cycle is 5 g / l.
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Dispersion Chemistry (AREA)
- Detergent Compositions (AREA)
Description
Claims (8)
- Phosphatfreies Maschinengeschirrspülmittel mit einem schwachschäumenden Tensid sowie einer polymeren Polycarbonsäure, gekennzeichnet durch folgende Zusammensetzung:5 - 20 Gew.-% schwachschäumendes Tensid2 - 10 Gew.-% organische Säure3 - 8 Gew.-% polymere Polycarbonsäure0 - 5 Gew.-% Nitrilotriacetat3 - 5 Gew.-% Emulgator2 - 5 Gew.-% Verdicker1 - 4 Gew. % LaugeRest Wasser
- Verfahren zur Herstellung eines phosphatfreien Maschinengeschirrspülmittels mit einem schwachschäumenden Tensid sowie einer polymeren Polycarbonsäure aus 5 - 20 Gew.-% schwachschäumendem Tensid, 2 - 10 Gew.-% organischer Säure, 3 - 8 Gew.-% polymere Polycarbonsäure, 0 - 5 Gew.-% Nitrilotriacetat, 3 - 5 Gew.-% Emulgator, 2 - 5 Gew.-% Verdicker, 1 - 4 Gew. % Lauge sowie Wasser, das einen pH-Wert zwischen 4 und 6, vorzugsweise etwa 5 aufweist, dadurch gekennzeichnet, daß zunächst der pulverförmige Verdicker in einem flüssigen nichtionogenen wasserfreien Tensid angeteigt und die so gebildete dispergierte Masse dem flüssigen (gelösten) Tensid zugegeben wird, worauf die sich bildende Lösung zum Zwecke der Lösung des pulverförmigen Verdickers und Gelierung der Flüssigkeit mittels Alkali, vorzugsweise Tri-ethanolamin, bis auf einen PH-Wert von zwischen 4 und 6, vorzugsweise 5 neutralisiert wird.
- Verfahren nach Anspruch 2, dadurch gekennzeichnet, daß als schwachschäumendes Tensid mit Ethylenoxid und Propylenoxid alkoxylierte Fettalkohole und/oder endgruppenverschlossene, vorzugsweise endständig methylierte Fettalkoholpolyglykolether und/oder ein anionisches Tensid des Typs kurzkettiger Etherkarbonsäuren, beispielsweise (C6-C8)-Polyethylenglykolethermethylencarbonsäure Verwendung finden.
- Verfahren nach Anspruch 2, dadurch gekennzeichnet, daß als Säuerungsmittel eine Lebensmittelsäure, vorzugsweise Citronensäure, Weinsäure, Essigsäure, Gluconsäure oder Apfelsäure, einzeln oder in Mischung miteinander Verwendung findet.
- Verfahren nach Anspruch 2, dadurch gekennzeichnet, daß als Wasserenthärter und Schmutzdispergator Polyacrylsäure und/oder ein Copolymer aus Acrylsäure und Maleinsäure (Natriumsalz) Verwendung findet.
- Verfahren nach Anspruch 2, dadurch gekennzeichnet, daß als Verdicker ein vernetzter polymerer Acrylsäureester der Glucose oder ein Ethoxylat hiervon und/oder eine hochmolekulare Polyacrylsäure und/oder ein Copolymer der Acrylsäure mit Acrylamid Verwendung findet.
- Verfahren nach Anspruch 2, dadurch gekennzeichnet, daß als Neutralisierungsmittel Triethanolamin und/oder Natronlauge und/oder Kalilauge Verwendung finden.
- Verfahren nach Anspruch 6 und 7, dadurch gekennzeichnet, daß zur Unterstützung der Lösung des Emulgators ein weiterer Emulgator, beispielsweise ein nichtionogenes Fettalkoholethoxylat mit 3 - 8 Mol Ethylenoxid Verwendung findet.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4123623 | 1991-07-17 | ||
DE4123623 | 1991-07-17 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0523681A2 EP0523681A2 (de) | 1993-01-20 |
EP0523681A3 EP0523681A3 (en) | 1993-05-05 |
EP0523681B1 true EP0523681B1 (de) | 1998-11-04 |
Family
ID=6436320
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92112124A Expired - Lifetime EP0523681B1 (de) | 1991-07-17 | 1992-07-16 | Maschinengeschirrspülmittel und Verfahren zu seiner Herstellung |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0523681B1 (de) |
AT (1) | ATE173006T1 (de) |
DE (2) | DE59209547D1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU6274594A (en) * | 1993-10-14 | 1995-05-04 | Ecolab Inc. | Rinse agents that form clear coatings on ware |
EP0726934B1 (de) * | 1993-11-03 | 1998-09-02 | The Procter & Gamble Company | Kalziumkarbonatabsetzungskontrolle in geschirrspuelmaschinen |
ATE195970T1 (de) * | 1993-11-03 | 2000-09-15 | Procter & Gamble | Kalziumkarbonatabsetzungskontroll im maschinengeschirrspülen |
DE4415804A1 (de) * | 1994-05-05 | 1995-11-09 | Henkel Kgaa | Klarspülmittel mit biologisch abbaubaren Polymeren |
GB2311537A (en) * | 1996-03-29 | 1997-10-01 | Procter & Gamble | Rinse composition for dishwashers |
DE19618725A1 (de) † | 1996-05-09 | 1997-11-13 | Weigert Chem Fab | Verfahren und Kit zum Reinigen von Geschirr |
DE19723616A1 (de) † | 1997-06-05 | 1998-12-10 | Henkel Kgaa | Granulares Waschmittel |
ES2393673T3 (es) * | 2002-11-22 | 2012-12-27 | Basf Se | Síntesis enzimática de acrilatos de poliol |
WO2011080540A1 (en) * | 2009-12-30 | 2011-07-07 | Ecolab Inc. | Phosphate substitutes for membrane-compatible cleaning and/or detergent compositions |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1545299A (fr) * | 1966-11-26 | 1968-11-08 | Henkel & Cie Gmbh | Procédé de lavage mécanique de la vaisselle |
JPS4950004A (de) * | 1972-09-13 | 1974-05-15 | ||
DE3815291A1 (de) * | 1988-05-05 | 1989-11-23 | Basf Ag | Waessrige saure reinigerformulierungen |
DE3827778A1 (de) * | 1988-08-16 | 1990-02-22 | Henkel Kgaa | Pastenfoermiges wasch- und reinigungsmittel und verfahren zur herstellung |
-
1992
- 1992-07-16 DE DE59209547T patent/DE59209547D1/de not_active Expired - Fee Related
- 1992-07-16 AT AT92112124T patent/ATE173006T1/de not_active IP Right Cessation
- 1992-07-16 EP EP92112124A patent/EP0523681B1/de not_active Expired - Lifetime
- 1992-07-16 DE DE4223265A patent/DE4223265A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP0523681A3 (en) | 1993-05-05 |
EP0523681A2 (de) | 1993-01-20 |
ATE173006T1 (de) | 1998-11-15 |
DE59209547D1 (de) | 1998-12-10 |
DE4223265A1 (de) | 1993-03-18 |
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