EP0628627A1 - Water-soluble, water softening builder - Google Patents

Water-soluble, water softening builder Download PDF

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Publication number
EP0628627A1
EP0628627A1 EP94108688A EP94108688A EP0628627A1 EP 0628627 A1 EP0628627 A1 EP 0628627A1 EP 94108688 A EP94108688 A EP 94108688A EP 94108688 A EP94108688 A EP 94108688A EP 0628627 A1 EP0628627 A1 EP 0628627A1
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EP
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Prior art keywords
weight
water
polymer
softening
softening builder
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EP94108688A
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German (de)
French (fr)
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EP0628627B1 (en
Inventor
Guido Dr. Wäschenbach
Manfred Müller
Harald Ahnsorge
Wolfgang Dr. Ussat
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Reckitt Benckiser NV
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Joh A Benckiser GmbH
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Application filed by Joh A Benckiser GmbH filed Critical Joh A Benckiser GmbH
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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
    • C11D3/37—Polymers
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3719—Polyamides or polyimides
    • 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
    • C11D17/0047—Detergents in the form of bars or tablets
    • C11D17/0065—Solid detergents containing builders
    • C11D17/0073—Tablets
    • 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
    • C11D3/37—Polymers
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3707—Polyethers, e.g. polyalkyleneoxides
    • 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
    • C11D3/3761—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions in solid compositions

Definitions

  • the invention relates to a water-soluble, predominantly organic, water-softening builder.
  • DE 36 14 779 discloses a granular, phosphate-free water softener for softening wash liquors and also as an additive to detergents, which consists of 50-60% by weight of finely crystalline zeolite, 3-5% by weight sodium salt of a polyacrylic acid, polymethacrylic acid or acrylic acid-maleic acid Copolymers, 4-15% by weight sodium citrate, 4-12% by weight sodium carbonate and optionally up to 2% by weight sodium carboxymethyl cellulose.
  • DE 40 22 005 discloses a mild detergent which, as the only builder, contains a combination of a water-soluble citrate with a polyacrylate or a polymer of acrylic acid and maleic acid.
  • DE 36 03 471 discloses a low-phosphorus or phosphorus-free washing and / or cleaning agent which contains a surfactant, an inorganic and / or organic builder and at least one colloidal layered silicate, and additionally at least one water-soluble calcium and / or magnesium salt and polyacrylic acid .
  • DE 39 31 871 describes a granular, phosphate-free water softener containing 50-70% by weight of finely crystalline zeolite, 2-10% by weight of a layered silicate, 5-15% by weight of the sodium salt of a (co) polymeric carboxylic acid and 1-10% by weight % Sodium sulfate.
  • DE 39 43 019 discloses a granular detergent additive containing 20-45% by weight of a layered silicate, 15-50% by weight of a finely crystalline, synthetic zeolite, 0-15% by weight of a sulfate, carbonate or phosphate, 0-8% by weight the sodium salt of a homopolymeric or copolymeric (meth) acrylic acid, 0-2% by weight of cellulose ether, 0-20% by weight of nonionic surfactants from the class of polyglycol ethers.
  • a similar spray-dried composition is disclosed in DE 40 09 618.
  • FR-PS 1 599 547 discloses a composition for inhibiting scale formation by alkaline earth metal salts in aqueous systems, comprising a carboxylic acid such as citric acid and a water-soluble organic polymer such as an acrylic acid polymer or copolymer.
  • CH-PS 577 937 discloses an agent in tablet form for preventing limescale, containing either citric acid and additions of acetylsalicylic acid and / or boric acid and / or nicotinic acid or nicotinic acid.
  • the applicant has set itself the task of providing a water softener in an easily manageable, well metered form.
  • a water-soluble, water-softening builder in the form of a tablet, the tablet having a specific composition which, on the one hand, makes the tablet easy to handle, on the other hand, a rapid dissolution of the tablet in the wash liquor is guaranteed.
  • the polymers to be used as softeners in accordance with the invention in combination with citrate and / or citric acid are known substances.
  • Maleic acid / acrylic acid copolymers and preferably biodegradable polymers, in particular those based on peptides, are suitable for this.
  • Such peptide-based polymers are, for example, the Cygnus products from Cygnus Corporation.
  • Serine-N-N-diacetic acid derivatives suitable as builders are described in EP 287 885.
  • Maleic acid / acrylic acid copolymers suitable as builders are commercially available under various Sokalan brands, for example a maleic acid / acrylic acid copolymer, sodium salt, under the "Sokalan CP 5" brand.
  • An essential component of the builder tablets according to the invention is the polyethylene glycol, which should be present in an amount of 0.5-6% by weight, preferably 1-3% by weight.
  • Suitable polyethylene glycols are the polyethylene glycols (1000-6000), in particular polyethylene glycol (4000-6000). These polyethylene glycols act as tableting aids. That polyethylene glycol as a tabletting aid was known. However, it was surprisingly found that while there were difficulties in dissolving other tableting aids, the polyethylene glycols mentioned are particularly suitable for the purpose according to the invention.
  • a polyethylene glycol with a low degree of ethoxylation for example polyethylene glycol 200, is not suitable as a tabletting agent, but is suitable as a dust-binding agent and as such can also be present in the tablet according to the invention in a small amount, for example in an amount of 0.5-5% by weight.
  • the tablet according to the invention should contain a disintegrant.
  • An insoluble polyvinylpyrrolidone which can be present in an amount of 1-20% by weight, preferably 7-12% by weight, is suitable as such.
  • a polyvinylpyrrolidone suitable for this purpose is commercially available under the "Sokalan HP 50" brand.
  • citric acid and / or partially neutralized, acidic polymer in the builder combination (A) and, as a further auxiliary, carbonate and / or bicarbonate, for example sodium carbonate, sodium hydrogen carbonate and / or potassium carbonate, which in combination with the aforementioned acidic component as disintegrant serves.
  • carbonate / bicarbonate can be used in amounts of 5-30% by weight.
  • the builders mentioned in the combination (A) according to the invention are preferably the only builders in the tablet.
  • Zeolites are preferably not used, although the tablet may optionally contain 5-20% by weight of a layered silicate, which makes the builder particularly suitable for hard water with high proportions of magnesium hardness.
  • cellulose derivatives such as methylhydroxyethyl cellulose, or paraffin oil can also be used in small quantities.
  • a preferred builder tablet according to the present invention contains: 16-40% by weight, preferably 18-35% by weight of trisodium citrate, 14-21% by weight, preferably 17-19% by weight, of citric acid, 20-40% by weight, preferably 30-36% by weight, maleic acid / acrylic acid copolymer, Na salt and / or polymer based on peptides, 2-5% by weight polyethylene glycol (4000-6000) 15-30% by weight carbonate / bicarbonate 1-2% by weight polyvinylpyrrolidone
  • the builder tablet according to the invention has particular advantages when used with colorful textiles. It guarantees very good color retention and avoids color transfer.
  • a builder tablet was pressed from the following components: Maleic acid / acrylic acid copolymer, granules (Sokalan ® CP 45), pH 4 30% Trisodium citrate 19% Citric acid 18% sodium 30% Paraffin oil 0.2% Polyethylene glycol (1500) 2.8% 100.0% ⁇

Abstract

The invention relates to a water-soluble, water-softening builder in the form of a tablet consisting of A) 60-98% by weight of a combination of a) citrate and/or citric acid and b) a polymer which acts as softening agent in an a:b ratio of 70:30 to 50:50, preferably 65:35 to 55:45, by weight B) 0.5-6% by weight of polyethylene glycol and C) 0-38% by weight of other auxiliaries.

Description

Gegenstand der Erfindung ist ein wasserlöslicher, vorwiegend organischer, wasserenthärtender Builder.The invention relates to a water-soluble, predominantly organic, water-softening builder.

Die DE 36 14 779 offenbart ein granulares, phosphatfreies Wasserenthärtungsmittel zum Enthärten von Waschlaugen als auch als Zusatz zu Waschmitteln, welches aus 50-60 Gew.% feinkristallinem Zeolith, 3-5 Gew.% Natriumsalz eines Polyacrylsäure-, Polymethacrylsäure- oder Acrylsäure-Maleinsäure-Copolymeren, 4-15 Gew.% Natriumcitrat, 4-12 Gew.% Natriumcarbonat und gegebenenfalls bis zu 2 Gew.% Natrium-Carboxymethylcellulose besteht.DE 36 14 779 discloses a granular, phosphate-free water softener for softening wash liquors and also as an additive to detergents, which consists of 50-60% by weight of finely crystalline zeolite, 3-5% by weight sodium salt of a polyacrylic acid, polymethacrylic acid or acrylic acid-maleic acid Copolymers, 4-15% by weight sodium citrate, 4-12% by weight sodium carbonate and optionally up to 2% by weight sodium carboxymethyl cellulose.

In der DE 40 22 005 wird ein Feinwaschmittel offenbart, welches als einzigen Builder eine Kombination aus einem wasserlöslichen Citrat mit einem Polyacrylat oder einem Polymer aus Acrylsäure und Maleinsäure enthält.DE 40 22 005 discloses a mild detergent which, as the only builder, contains a combination of a water-soluble citrate with a polyacrylate or a polymer of acrylic acid and maleic acid.

Die DE 36 03 471 offenbart ein phosphorarmes, bzw. phosphorfreies Wasch- und/oder Reinigungsmittel, welches ein Tensid, einen anorganischen und/oder organischen Builder und mindestens ein kolloidales Schichtsilikat enthält, sowie zusätzlich mindestens ein wasserlösliches Kalzium- und/oder Magnesiumsalz und Polyacrylsäure.DE 36 03 471 discloses a low-phosphorus or phosphorus-free washing and / or cleaning agent which contains a surfactant, an inorganic and / or organic builder and at least one colloidal layered silicate, and additionally at least one water-soluble calcium and / or magnesium salt and polyacrylic acid .

Die DE 39 31 871 beschreibt ein granulares, phosphatfreies Wasserenthärtungsmittel enthaltend 50-70 Gew.% feinkristallinen Zeolith, 2-10 Gew.% eines Schichtsilikates, 5-15 Gew.% des Natriumsalzes einer (Co-)polymeren Carbonsäure und 1-10 Gew.% Natriumsulfat.DE 39 31 871 describes a granular, phosphate-free water softener containing 50-70% by weight of finely crystalline zeolite, 2-10% by weight of a layered silicate, 5-15% by weight of the sodium salt of a (co) polymeric carboxylic acid and 1-10% by weight % Sodium sulfate.

Die DE 39 43 019 offenbart ein granulares Waschmitteladditiv enthaltend 20-45 Gew.% eines Schichtsilikates, 15-50 Gew.% eines feinkristallinen, synthetischen Zeoliths, 0-15 Gew.% eines Sulfats, Carbonats oder Phosphats, 0-8 Gew.% des Natriumsalzes einer homopolymeren, bzw. copolymeren (Meth-)acrylsäure, 0-2 Gew.% an Celluloseether, 0-20 Gew.% an nichtionischen Tensiden aus der Klasse der Polyglykolether. Eine ähnliche sprühgetrocknete Zusammensetzung wird in der DE 40 09 618 offenbart.DE 39 43 019 discloses a granular detergent additive containing 20-45% by weight of a layered silicate, 15-50% by weight of a finely crystalline, synthetic zeolite, 0-15% by weight of a sulfate, carbonate or phosphate, 0-8% by weight the sodium salt of a homopolymeric or copolymeric (meth) acrylic acid, 0-2% by weight of cellulose ether, 0-20% by weight of nonionic surfactants from the class of polyglycol ethers. A similar spray-dried composition is disclosed in DE 40 09 618.

Die FR-PS 1 599 547 offenbart eine Zusammensetzung zur Inhibierung der Kesselsteinbildung durch Erdalkalisalze in wässrigen Systemen, enthaltend eine Carbonsäure wie beispielsweise Zitronensäure und ein wasserlösliches organisches Polymer wie beispielsweise ein Acrylsäurepolymer oder -copolymer.FR-PS 1 599 547 discloses a composition for inhibiting scale formation by alkaline earth metal salts in aqueous systems, comprising a carboxylic acid such as citric acid and a water-soluble organic polymer such as an acrylic acid polymer or copolymer.

Die CH-PS 577 937 offenbart ein Mittel in Tablettenform zur Verhinderung von Kalkansatz, enthaltend entweder Zitronensäure und Zusätze von Acetylsalizylsäure und/oder Borsäure und/oder Nikotinsäure oder Nikotinsäure.CH-PS 577 937 discloses an agent in tablet form for preventing limescale, containing either citric acid and additions of acetylsalicylic acid and / or boric acid and / or nicotinic acid or nicotinic acid.

Es ist dem Fachmann bekannt und durch den zitierten Stand der Technik dokumentiert, daß Waschmitteladditive und insbesondere Wasserenthärter bislang in möglichst kleinteiliger, vorzugsweise Pulverform, allenfalls in Granulatform angeboten werden, da die Meinung bestand, daß nur dadurch die erforderliche schnelle Löslichkeit eines Wasserenthärters gewährleistet werden kann.It is known to the person skilled in the art and documented by the cited prior art that detergent additives and in particular water softeners have hitherto been offered in the smallest possible, preferably powder form, at most in the form of granules, since the opinion existed that the required rapid solubility of a water softener can only be guaranteed in this way .

Die Anmelderin hat sich zur Aufgabe gesetzt, einen Wasserenthärter in leicht handhabbarer, gut dosierbarer Form zur Verfügung zu stellen.The applicant has set itself the task of providing a water softener in an easily manageable, well metered form.

Erfindungsgemäß wird dies durch einen wasserlöslichen, wasserenthärtenden Builder in Form einer Tablette erreicht, wobei die Tablette eine bestimmte Zusammensetzung aufweist, die einerseits eine gute Handhabbarkeit der Tablette, andererseits eine schnelle Auflösung der Tablette in der Waschlauge gewährleistet.According to the invention, this is achieved by a water-soluble, water-softening builder in the form of a tablet, the tablet having a specific composition which, on the one hand, makes the tablet easy to handle, on the other hand, a rapid dissolution of the tablet in the wash liquor is guaranteed.

Der erfindungsgemäße wasserlösliche, wasserenthärtende Builder in Form einer Tablette besteht aus

  • A) 60-98 Gew.% einer Kombination aus
    • a) Citrat und/oder Citronensäure und
    • b) einem als Enthärter wirksamen Polymer
    in einem Gewichtsverhältnis von a:b von 70:30 bis 50:50, vorzugsweise 65:35 bis 55:45,
  • B) 0,5-6 Gew.% Polyethylenglykol
  • C) 0-38 Gew.% weiterer Hilfsstoffe.
The water-soluble, water-softening builder according to the invention in the form of a tablet consists of
  • A) 60-98% by weight of a combination of
    • a) citrate and / or citric acid and
    • b) a polymer effective as a softener
    in a weight ratio of a: b from 70:30 to 50:50, preferably 65:35 to 55:45,
  • B) 0.5-6% by weight of polyethylene glycol
  • C) 0-38% by weight of other auxiliaries.

Die erfindungsgemäß in Kombination mit Citrat und/oder Citronensäure einzusetzenden, als Enthärter wirksamen Polymeren sind bekannte Substanzen. Hierfür eignen sich Maleinsäure/Acrylsäure-Copolymerisate und vorzugsweise biologisch abbaubare Polymere, insbesondere solche auf Peptid-Basis. Solche Polymere auf Peptid-Basis sind beispielsweise die Cygnus-Produkte der Cygnus Corporation. Als Builder geeignete Serin-N-N-Diessigsäurederivate werden in der EP 287 885 beschrieben.The polymers to be used as softeners in accordance with the invention in combination with citrate and / or citric acid are known substances. Maleic acid / acrylic acid copolymers and preferably biodegradable polymers, in particular those based on peptides, are suitable for this. Such peptide-based polymers are, for example, the Cygnus products from Cygnus Corporation. Serine-N-N-diacetic acid derivatives suitable as builders are described in EP 287 885.

Als Builder geeignete Maleinsäure/Acrylsäure-Copolymerisate sind unter verschiedenen Sokalan-Marken im Handel, beispielsweise ein Maleinsäure/Acrylsäure-Copolymerisat, Natriumsalz, unter der Marke "Sokalan CP 5".Maleic acid / acrylic acid copolymers suitable as builders are commercially available under various Sokalan brands, for example a maleic acid / acrylic acid copolymer, sodium salt, under the "Sokalan CP 5" brand.

Ein wesentlicher Bestandteil der erfindungsgemäßen Buildertabletten stellt das Polyethylenglykol dar, welches in einer Menge von 0,5-6 Gew.%, vorzugsweise 1-3 Gew.%, anwesend sein sollte. Als geeignete Polyethylenglykole sind die Polyethylenglykole (1000-6000) zu nennen, insbesondere Polyethylenglykol (4000-6000). Diese Polyethylenglykole wirken als Tablettierungshilfsmittel. Daß Polyethylenglykol als Tablettierungshilfsmittel brauchbar ist, war bekannt. Jedoch ergab sich überraschenderweise, daß, während bei anderen Tablettierungshilfsmitteln Auflösungsschwierigkeiten sich ergaben, die genannten Polyethylenglykole für den erfindungsgemäßen Zweck vorzüglich geeignet sind.An essential component of the builder tablets according to the invention is the polyethylene glycol, which should be present in an amount of 0.5-6% by weight, preferably 1-3% by weight. Suitable polyethylene glycols are the polyethylene glycols (1000-6000), in particular polyethylene glycol (4000-6000). These polyethylene glycols act as tableting aids. That polyethylene glycol as a tabletting aid was known. However, it was surprisingly found that while there were difficulties in dissolving other tableting aids, the polyethylene glycols mentioned are particularly suitable for the purpose according to the invention.

Ein Polyethylenglykol mit niederem Ethoxylierungsgrad, beispielsweise Polyethylenglykol 200, eignet sich nicht als Tablettierungsmittel, wohl aber als Staubbindemittel und kann als solches in der erfindungsgemäßen Tablette ebenfalls in geringer Menge, beispielsweise in einer Menge von 0,5-5 Gew.%, anwesend sein.A polyethylene glycol with a low degree of ethoxylation, for example polyethylene glycol 200, is not suitable as a tabletting agent, but is suitable as a dust-binding agent and as such can also be present in the tablet according to the invention in a small amount, for example in an amount of 0.5-5% by weight.

Die erfindungsgemäße Tablette sollte ein Sprengmittel enthalten. Als solches eignet sich ein unlösliches Polyvinylpyrrolidon, welches in einer Menge von 1-20 Gew.%, vorzugsweise 7-12 Gew.%, vorliegen kann. Ein für diesen Zweck geeignetes Polyvinylpyrrolidon ist unter der Marke "Sokalan HP 50" im Handel.The tablet according to the invention should contain a disintegrant. An insoluble polyvinylpyrrolidone, which can be present in an amount of 1-20% by weight, preferably 7-12% by weight, is suitable as such. A polyvinylpyrrolidone suitable for this purpose is commercially available under the "Sokalan HP 50" brand.

Es wird jedoch besonders bevorzugt in der Builderkombination (A) Citronensäure und/oder teilneutralisiertes, sauer wirkendes Polymer einzusetzen und als weiteren Hilfsstoff Carbonat und/oder Bicarbonat, beispielsweise Natriumcarbonat, Natriumhydrogencarbonat und/oder Kaliumcarbonat, welches in Kombination mit der vorerwähnten sauren Komponente als Sprengmittel dient. Das Carbonat/Bicarbonat kann in Mengen von 5-30 Gew.% eingesetzt werden.However, it is particularly preferred to use citric acid and / or partially neutralized, acidic polymer in the builder combination (A) and, as a further auxiliary, carbonate and / or bicarbonate, for example sodium carbonate, sodium hydrogen carbonate and / or potassium carbonate, which in combination with the aforementioned acidic component as disintegrant serves. The carbonate / bicarbonate can be used in amounts of 5-30% by weight.

Vorzugsweise stellen die in der erfindungemäßen Kombination (A) genannten Builder die einzigen Builder in der Tablette dar. Zeolithe werden vorzugsweise nicht mitvervendet, obwohl gegebenenfalls die Tablette 5-20 Gew.% eines Schichtsilikates enthalten kann, was den Builder besonders geeignet macht für hartes Wasser mit hohen Anteilen Magnesiumhärte.The builders mentioned in the combination (A) according to the invention are preferably the only builders in the tablet. Zeolites are preferably not used, although the tablet may optionally contain 5-20% by weight of a layered silicate, which makes the builder particularly suitable for hard water with high proportions of magnesium hardness.

Als weitere Hilfsmittel zusätzlich zu den bereits genannten können beispielsweise Cellulosederivate, wie Methylhydroxyethylcellulose, oder Paraffinöl in geringen Mengen mitverwendet werden.In addition to those already mentioned, cellulose derivatives such as methylhydroxyethyl cellulose, or paraffin oil can also be used in small quantities.

Eine bevorzugte Builder-Tablette gemäß vorliegender Erfindung enthält:
16-40 Gew.%, vorzugsweise 18-35 Gew.% Trinatriumcitrat,
14-21 Gew.%, vorzugsweise 17-19 Gew.% Citronensäure,
20-40 Gew.%, vorzugsweise 30-36 Gew.% Maleinsäure/Acrylsäure-Copolymerisat, Na-Salz und/oder Polymer auf Peptidbasis,
2-5 Gew.% Polyethylenglykol (4000-6000)
15-30 Gew.% Carbonat/Bicarbonat
1-2 Gew.% Polyvinylpyrrolidon
Die erfindungsgemäße Buildertablette besitzt besondere Vorteile bei Anwendung mit bunten Textilien. Sie gewährleistet hierbei sehr gute Farberhaltung und vermeidet eine Farbübertragung.A preferred builder tablet according to the present invention contains:
16-40% by weight, preferably 18-35% by weight of trisodium citrate,
14-21% by weight, preferably 17-19% by weight, of citric acid,
20-40% by weight, preferably 30-36% by weight, maleic acid / acrylic acid copolymer, Na salt and / or polymer based on peptides,
2-5% by weight polyethylene glycol (4000-6000)
15-30% by weight carbonate / bicarbonate
1-2% by weight polyvinylpyrrolidone
The builder tablet according to the invention has particular advantages when used with colorful textiles. It guarantees very good color retention and avoids color transfer.

Außerdem wirkt sie einer Vergrauung bei weißen Textilien entgegen, verringert den Wäscheverschleiß und die Knitterbildung der Wäsche, erhält die natürliche Weichheit der Textilien durch deutliche Inkrustationsverminderung und verringert den Gewebeschrumpf insbesonders bei der Heißwäsche (60 - 95°C) von Baumwolltextilien.It also counteracts graying in white textiles, reduces laundry wear and the formation of creases in the laundry, maintains the natural softness of the textiles through a significant reduction in incrustation, and reduces fabric shrinkage, especially when washing hot (60 - 95 ° C) cotton textiles.

Beispiele 1-9:Examples 1-9:

Figure imgb0001
Figure imgb0001

Beispiel 10:Example 10:

Aus folgenden Bestandteilen wurde eine Builder-Tablette gepreßt: Maleinsäure/Acrylsäure-Copolymerisat, Granulat (Sokalan ® CP 45), pH 4 30 % Trinatriumcitrat 19 % Citronensäure 18 % Natriumcarbonat 30 % Paraffinöl 0,2 % Polyethylenglykol (1500) 2,8% 100,0 % ¯

Figure imgb0002
A builder tablet was pressed from the following components: Maleic acid / acrylic acid copolymer, granules (Sokalan ® CP 45), pH 4 30% Trisodium citrate 19% Citric acid 18% sodium 30% Paraffin oil 0.2% Polyethylene glycol (1500) 2.8% 100.0% ¯
Figure imgb0002

Claims (9)

Wasserlöslicher, wasserenthärtender Builder in Form einer Tablette bestehend aus A) 60-98 Gew.% einer Kombination aus a) Citrat und/oder Citronensäure und b) einem als Enthärter wirksamen Polymer in einem Gewichtsverhältnis von a:b von 70:30 bis 50:50, vorzugsweise 65:35 bis 55:45, B) 0,5-6 Gew.% Polyethylenglykol C) 0-38 Gew.% weiterer Hilfsstoffe. Water-soluble, water-softening builder in the form of a tablet consisting of A) 60-98% by weight of a combination of a) citrate and / or citric acid and b) a polymer effective as a softener in a weight ratio of a: b from 70:30 to 50:50, preferably 65:35 to 55:45, B) 0.5-6% by weight of polyethylene glycol C) 0-38% by weight of other auxiliaries. Wasserenthärtender Builder nach Anspruch 1, dadurch gekennzeichnet, daß das Polymer ein biologisch abbaubares Polymer auf Peptid-Basis ist.Water-softening builder according to claim 1, characterized in that the polymer is a biodegradable polymer based on peptides. Wasserenthärtender Builder nach Anspruch 1, dadurch gekennzeichnet, daß das Polymer ein Maleinsäure/Acrylsäure Copolymerisat ist.Water-softening builder according to claim 1, characterized in that the polymer is a maleic acid / acrylic acid copolymer. Wasserenthärtender Builder nach einem der vorgehenden Ansprüche, dadurch gekennzeichnet, daß er in der Kombination A Citronensäure und/oder teilneutralisiertes, sauer wirkendes Polymer enthält und als weiteren Hilfsstoff Carbonat und/oder Bicarbonat als Sprengmittel.Water-softening builder according to one of the preceding claims, characterized in that it contains, in combination A, citric acid and / or partially neutralized, acidic polymer and, as a further auxiliary, carbonate and / or bicarbonate as disintegrant. Wasserenthärtender Builder nach einem der vorgehenden Ansprüche , dadurch gekennzeichnet, daß er 1-3 Gew.% Polyethylenglykol (1.000-6.000) enthält.Water-softening builder according to one of the preceding claims, characterized in that it contains 1-3% by weight of polyethylene glycol (1,000-6,000). Wasserenthärtender Builder nach einem der vorgehenden Ansprüche, dadurch gekennzeichnet, daß er als weiteren Hilfsstoff 0,5-5 Gew.% Polyethylenglykol (200) als Staubbindemittel enthält.Water-softening builder according to one of the preceding claims, characterized in that it contains 0.5-5% by weight of polyethylene glycol (200) as a dust-binding agent as a further auxiliary. Wasserenthärtender Builder nach einem der vorgehenden Ansprüche, dadurch gekennzeichnet, daß er als weiteren Hilfsstoff 1-20 Gew.% eines unlöslichen Polyvinylpyrrolidons als Sprengmittel enthält.Water-softening builder according to one of the preceding claims, characterized in that it contains 1-20% by weight of an insoluble polyvinylpyrrolidone as disintegrant as a further auxiliary. Wasserenthärtender Builder nach einem der vorgehenden Ansprüche, dadurch gekennzeichnet, daß er als weiteren Hilfsstoff 5-20 Gew.% eines Schichtsilikats enthält.Water-softening builder according to one of the preceding claims, characterized in that it contains 5-20% by weight of a layered silicate as a further auxiliary. Wasserenthärtender Builder nach einem der vorgehenden Ansprüche, dadurch gekennzeichnet, daß er a1) 16-40 Gew.%, vorzugsweise 18-35 Gew.% Trinatriumcitrat, a2) 14-21 Gew.%, vorzugsweise 17-19 Gew.% Citronensäure, b) 20-40 Gew.%, vorzugsweise 30-36 Gew.% Maleinsäure/Acrylsäure-Copolymerisat, Na-Salz und/oder Polymer auf Peptidbasis,
2-5 Gew.% Polyethylenglykol (4000-6000)
15-30 Gew.% Carbonat/Bicarbonat
1-2 Gew.% Polyvinylpyrrolidon enthält.Water-softening builder according to one of the preceding claims, characterized in that it a1) 16-40% by weight, preferably 18-35% by weight of trisodium citrate, a2) 14-21% by weight, preferably 17-19% by weight, of citric acid, b) 20-40% by weight, preferably 30-36% by weight, maleic acid / acrylic acid copolymer, Na salt and / or peptide-based polymer,
2-5% by weight polyethylene glycol (4000-6000)
15-30% by weight carbonate / bicarbonate
1-2% by weight polyvinylpyrrolidone contains.
EP94108688A 1993-06-07 1994-06-07 Water-soluble, water softening builder Expired - Lifetime EP0628627B1 (en)

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SI9430037T SI0628627T1 (en) 1993-06-07 1994-06-07 Water-soluble, water softening builder

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DE4318902A DE4318902C2 (en) 1993-06-07 1993-06-07 Water-soluble, water-softening agent
DE4318902 1993-06-07

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EP0628627A1 true EP0628627A1 (en) 1994-12-14
EP0628627B1 EP0628627B1 (en) 1997-03-12

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EP (1) EP0628627B1 (en)
AT (1) ATE150081T1 (en)
DE (2) DE4318902C2 (en)
DK (1) DK0628627T3 (en)
ES (1) ES2098820T3 (en)
GR (1) GR3023207T3 (en)
SI (1) SI0628627T1 (en)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995021908A1 (en) * 1994-02-10 1995-08-17 Henkel Kommanditgesellschaft Auf Aktien Tablet with builder substances
EP0736595A1 (en) * 1995-04-03 1996-10-09 The Procter & Gamble Company Soaker compositions
DE19714657C1 (en) * 1997-04-09 1999-01-07 Benckiser Nv Water soluble, water softening builder
WO2000037596A2 (en) * 1998-12-19 2000-06-29 Henkel Kommanditgesellschaft Auf Aktien Prevention of deposits
WO2001085888A2 (en) * 2000-05-11 2001-11-15 The Procter & Gamble Company Laundry system having unitized dosing
DE10123621A1 (en) * 2001-05-15 2002-11-28 Henkel Kgaa Preparation of water-softening tablets, useful in washing and cleaning liquids, includes preliminary granulation of specific, finely divided components
WO2005073361A1 (en) * 2004-01-31 2005-08-11 Reckitt Benckiser N.V. Cleaning method
WO2006005913A1 (en) * 2004-07-08 2006-01-19 Reckitt Benckiser N.V. Method of removing laundry ash
WO2006005919A1 (en) * 2004-07-08 2006-01-19 Reckitt Benckiser N.V. Method of removing laundry ash
US7867968B1 (en) 2009-11-05 2011-01-11 The Procter & Gamble Company Laundry scent additive
DE102010051226A1 (en) 2010-11-12 2012-05-31 Dental Care Innovation Gmbh Rinse-off tray with abrasive components
US8476219B2 (en) 2009-11-05 2013-07-02 The Procter & Gamble Company Laundry scent additive
WO2014003845A1 (en) * 2012-06-27 2014-01-03 Amcol International Corporation Low density builder and detergent particles via high shear agglomeration
US9453188B2 (en) 2012-12-20 2016-09-27 The Procter & Gamble Company Laundry scent additive
US10959931B2 (en) 2017-02-02 2021-03-30 Water Pik, Inc. Tablet including abrasive for dental cleaning

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DE19606765A1 (en) * 1996-02-23 1997-08-28 Henkel Kgaa Process for the production of dishwasher tablets
EP1004661A1 (en) 1998-11-11 2000-05-31 DALLI-WERKE WÄSCHE- und KÖRPERPFLEGE GmbH & Co. KG High density granule, method for production thereof, and its use as disintegrant in tablets
DE19937428A1 (en) * 1999-08-07 2001-02-08 Henkel Kgaa Detergent tablets
DE102007059677A1 (en) * 2007-12-10 2009-06-25 Henkel Ag & Co. Kgaa cleaning supplies
EA022063B1 (en) * 2009-09-02 2015-10-30 Юнилевер Нв Liquid composition for treatment of a fabric, process for preparation thereof and method of washing a fabric using the same
CN103981713B (en) * 2014-05-21 2016-08-17 吴江市英力达塑料包装有限公司 A kind of fabric maintenance softener and preparation method thereof

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WO1991017238A1 (en) * 1990-05-04 1991-11-14 Department Of The Navy Extended-release plaque preventing and dissolving compositions and their method of use
EP0504091A1 (en) * 1991-03-15 1992-09-16 Cleantabs A/S A phosphate-free automatic dishwashing composition

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EP0203523A2 (en) * 1985-05-30 1986-12-03 Henkel Kommanditgesellschaft auf Aktien Alkaline hydroxide-containing compounds in melted block form for machine dish-washing, and process for their preparation
WO1991017238A1 (en) * 1990-05-04 1991-11-14 Department Of The Navy Extended-release plaque preventing and dissolving compositions and their method of use
EP0504091A1 (en) * 1991-03-15 1992-09-16 Cleantabs A/S A phosphate-free automatic dishwashing composition

Cited By (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995021908A1 (en) * 1994-02-10 1995-08-17 Henkel Kommanditgesellschaft Auf Aktien Tablet with builder substances
US5900399A (en) * 1994-02-10 1999-05-04 Henkel Kommanditgesellschaft Auf Aktien Tablet containing builders
EP0965565A1 (en) * 1994-02-10 1999-12-22 Henkel KGaA Water-softening tablet
EP0736595A1 (en) * 1995-04-03 1996-10-09 The Procter & Gamble Company Soaker compositions
DE19714657C1 (en) * 1997-04-09 1999-01-07 Benckiser Nv Water soluble, water softening builder
WO2000037596A3 (en) * 1998-12-19 2000-11-23 Henkel Kgaa Prevention of deposits
WO2000037596A2 (en) * 1998-12-19 2000-06-29 Henkel Kommanditgesellschaft Auf Aktien Prevention of deposits
WO2001085888A3 (en) * 2000-05-11 2002-07-11 Procter & Gamble Laundry system having unitized dosing
WO2001085888A2 (en) * 2000-05-11 2001-11-15 The Procter & Gamble Company Laundry system having unitized dosing
US7166565B2 (en) 2000-05-11 2007-01-23 The Procter & Gamble Company Laundry system having unitized dosing
US7544651B2 (en) 2000-05-11 2009-06-09 The Procter & Gamble Company Laundry system having unitized dosing
US7494965B2 (en) 2000-05-11 2009-02-24 The Procter & Gamble Company Laundry system having unitized dosing
US7186680B2 (en) 2000-05-11 2007-03-06 The Procter & Gamble Company Laundry system having unitized dosing
US7056877B2 (en) 2000-05-11 2006-06-06 The Procter & Gamble Company Laundry system having unitized dosing
US7091171B2 (en) 2000-05-11 2006-08-15 The Procter & Gamble Company Laundry system having unitized dosing
DE10123621A1 (en) * 2001-05-15 2002-11-28 Henkel Kgaa Preparation of water-softening tablets, useful in washing and cleaning liquids, includes preliminary granulation of specific, finely divided components
DE10123621B4 (en) * 2001-05-15 2006-12-07 Henkel Kgaa Process for the preparation of a water softener tablet
WO2005073361A1 (en) * 2004-01-31 2005-08-11 Reckitt Benckiser N.V. Cleaning method
WO2006005919A1 (en) * 2004-07-08 2006-01-19 Reckitt Benckiser N.V. Method of removing laundry ash
WO2006005913A1 (en) * 2004-07-08 2006-01-19 Reckitt Benckiser N.V. Method of removing laundry ash
US9453189B2 (en) 2009-11-05 2016-09-27 The Procter & Gamble Company Laundry scent additive
US11859159B2 (en) 2009-11-05 2024-01-02 The Procter & Gamble Company Laundry scent additive
US11753606B2 (en) 2009-11-05 2023-09-12 The Procter & Gamble Company Laundry scent additive
US11142728B2 (en) 2009-11-05 2021-10-12 The Procter & Gamble Company Laundry scent additive
US8476219B2 (en) 2009-11-05 2013-07-02 The Procter & Gamble Company Laundry scent additive
US11834637B2 (en) 2009-11-05 2023-12-05 The Procter & Gamble Company Laundry scent additive
US7867968B1 (en) 2009-11-05 2011-01-11 The Procter & Gamble Company Laundry scent additive
US11608481B2 (en) 2009-11-05 2023-03-21 The Procter & Gamble Company Laundry scent additive
US9708574B2 (en) 2009-11-05 2017-07-18 The Procter & Gamble Company Laundry scent additive
US7871976B1 (en) 2009-11-05 2011-01-18 The Procter & Gamble Company Laundry scent additive
US10167441B2 (en) 2009-11-05 2019-01-01 The Procter & Gamble Company Laundry scent additive
WO2012069895A1 (en) 2010-11-12 2012-05-31 Dental Care Innovation Gmbh Soluble tablet, containing abrasive media
DE102010051226A1 (en) 2010-11-12 2012-05-31 Dental Care Innovation Gmbh Rinse-off tray with abrasive components
WO2014003845A1 (en) * 2012-06-27 2014-01-03 Amcol International Corporation Low density builder and detergent particles via high shear agglomeration
US10160936B2 (en) 2012-12-20 2018-12-25 The Procter & Gamble Company Laundry scent additive
US9453188B2 (en) 2012-12-20 2016-09-27 The Procter & Gamble Company Laundry scent additive
US11596587B2 (en) 2017-02-02 2023-03-07 Water Pik, Inc. Tablet including abrasive for dental cleaning
US10959931B2 (en) 2017-02-02 2021-03-30 Water Pik, Inc. Tablet including abrasive for dental cleaning

Also Published As

Publication number Publication date
DE59402005D1 (en) 1997-04-17
ATE150081T1 (en) 1997-03-15
SI0628627T1 (en) 1997-10-31
DE4318902C2 (en) 1996-10-24
GR3023207T3 (en) 1997-07-30
EP0628627B1 (en) 1997-03-12
ES2098820T3 (en) 1997-05-01
DK0628627T3 (en) 1997-08-25
DE4318902A1 (en) 1994-12-08

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