EP0279134B1 - Latex gegen Wiederverschmutzung beim Waschen von Textilien - Google Patents

Latex gegen Wiederverschmutzung beim Waschen von Textilien Download PDF

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Publication number
EP0279134B1
EP0279134B1 EP87402917A EP87402917A EP0279134B1 EP 0279134 B1 EP0279134 B1 EP 0279134B1 EP 87402917 A EP87402917 A EP 87402917A EP 87402917 A EP87402917 A EP 87402917A EP 0279134 B1 EP0279134 B1 EP 0279134B1
Authority
EP
European Patent Office
Prior art keywords
compositions according
latex
meth
copolymers
polyester
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
Application number
EP87402917A
Other languages
English (en)
French (fr)
Other versions
EP0279134A1 (de
Inventor
Gérard Berrod
Dominique Charmot
Robert Gresser
Gilles Guerin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rhodia Chimie SAS
Original Assignee
Rhone Poulenc Chimie SA
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
Priority claimed from FR8618471A external-priority patent/FR2609065B1/fr
Priority claimed from FR8707279A external-priority patent/FR2615526B1/fr
Application filed by Rhone Poulenc Chimie SA filed Critical Rhone Poulenc Chimie SA
Priority to AT87402917T priority Critical patent/ATE57713T1/de
Publication of EP0279134A1 publication Critical patent/EP0279134A1/de
Application granted granted Critical
Publication of EP0279134B1 publication Critical patent/EP0279134B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • C11D3/3788—Graft polymers
    • 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
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/0036—Soil deposition preventing compositions; Antiredeposition agents

Definitions

  • the present invention relates to new latexes used as anti-fouling and anti-deposition agents for the aqueous washing of textile articles.
  • detergent compositions currently marketed for washing synthetic or natural textile articles are complex mixtures of different products all having well-defined functions, such as, for example, metal complexing agents, surfactants, anticorrosion agents, detergents, anti-depositing agents, bleaching agents, anti-fouling agents.
  • Antifouling agents are understood to mean agents which essentially have the role of reducing the affinity of textile fibers for soiling, in particular for greasy soiling, and thus facilitating their removal.
  • anti-depositing agents is understood to mean agents which essentially have the role of preventing the deposition of soiling on the textile fibers, in particular to avoid the redeposition of the soiling removed during washing.
  • anti-scaling agents that is to say agents which essentially have the role of preventing the deposition in particular of calcium ions on the laundry, causing it to become gray, of vinyl acetate polymers, unsaturated mono and / or dicarboxylic acid has been previously described in applications EP-A 76 992, EP-A 103 254, EP-A 106 111, EP-A 168 547.
  • French patent application FR-A 2 236 926 describes the use of sulfonated polyesters.
  • the main object of the invention therefore consists of new detergent or rinsing compositions.
  • compositions according to the invention are characterized in that they contain an anti-fouling and anti-depositing latex consisting either of vinyl acetate-unsaturated carboxylic acid copolymers grafted with sulphonic polyesters, or of (meth) acrylic ester copolymers grafted with sulfonic polyesters.
  • latex has the usual meaning, that is to say, the aqueous dispersions of polymers forming heterogeneous systems comprising a continuous liquid phase, water and a solid discontinuous phase.
  • the alkali-soluble latexes of the invention which are the subject of the patent application are latexes in the dispersion state at a certain pH, in particular acidic or neutral, and which, when the pH increases, see the above-mentioned polymerized particles disintegrate. , which thus leads to aqueous solutions of polymers.
  • the latexes which are suitable in the context of the invention are those which, when the pH is increased, are liable to undergo a variation in their configuration as a function of the pH of the detergent bath.
  • the alkali-soluble latexes used are generally well known products. Their preparation, their physical and chemical characteristics are considered here as part of the prior art.
  • the object of the present invention has been to select, from the range of latexes described, a field of latex compositions, on the one hand, which can be synthesized at low cost and which, on the other hand, have improved anti-fouling and anti-fouling properties compared to the latexes described. in the prior art.
  • the latexes used in the present application are all vinyl latexes either composed of vinyl acetate-unsaturated carboxylic acid copolymers grafted with sulfonic polyesters or of (meth) acrylic ester-carboxylic acid copolymers grafted with sulfonic polyesters.
  • latexes based on vinyl esters More particularly, it is possible to use latexes based on vinyl esters, on ethylenically unsaturated mono or dicarboxylic acids and optionally either (meth) acrylic esters or water-soluble monomers such as acrylamide or vinyl sulfonate.
  • ethylenically unsaturated mono or dicarboxylic acids By way of acid, mention will be made in particular of crotonic, (meth) acrylic or itaconic maleic acids.
  • the level of axid is at least 3% and preferably between 3 and 8%.
  • vinyl ester particular mention will be made of vinyl acetate.
  • This first type of alkali-soluble latex which is the subject of the present invention consists of the latexes based on vinyl esters, previously described, polymerized in the presence of polyester sulfonate.
  • the second type of alkali-soluble latex used in the present invention consists of (meth) acrylic esters and carboxylic acids grafted with polyester sulfonates.
  • latexes based on (meth) acrylic esters on mono or dicarboxylic acids which are ethylenically unsaturated and optionally other monomers such as styrene or butadiene.
  • alkyl (meth) acrylates the alkyl chain of which preferably contains 1 to 4 carbon atoms such as methyl or ethyl (meth) acrylate.
  • the acid content (percentage by weight of monomer in the product) is at least 10% and generally it is between 10% and 20%.
  • the level of polyestersulfonate relative to the monomers is preferably less than 10%.
  • the sulfonated polyesters used even more preferably in the context of the present invention are those containing approximately 60% of phthalyl or succinyl group for approximately 40% of ethylene oxide group.
  • Phthalic acid is distributed between its isomers approximately as follows: 80% terephthalic acid for 20% isophthalic acid. A molar quantity of sulfoisophthalic acid corresponding to approximately 15% of the previously indicated acid mixture is added to this acid mixture.
  • compositions of the invention also form part of the preceding products which have undergone partial or total hydrolysis of the vinyl acetate groups, that is to say a transformation of vinyl acetate into vinyl alcohol.
  • the detergent compositions containing said latex, objects of the invention preferably contain at least 0.1% of latex as described above and even more preferably 0.4%.
  • the detergent compositions may also contain, as washing auxiliaries, pyrophosphates, metaphosphates, tripolyphosphates of alkali metals, zeolites, surfactants, a bleaching system, enzymes, optical brighteners, perfumes, silicates etc .
  • the latex can also be incorporated into a rinsing composition, which of course makes it possible to add the latex to the bath during rinsing.
  • the redeposition of soiling is a cumulative phenomenon which manifests itself by graying of the laundry after a significant number of washing cycles.
  • the weight composition of the detergent formula used is as follows:
  • test referenced white corresponds to the five washes of fabrics in the presence of soiling and in the absence of additive.
  • the cellulose ether amplifies the redeposition while the claimed additives remain effective.
  • EXAMPLE 4 Addition of additive 5 to a slurry.
  • a detergent such as TPP, ionic surfactants, sodium silicate, sodium sulfate and water are mixed to form a slurry which constitutes "the slurry". This very alkaline mixture is then spray dried to obtain a powder. Non-ionic surfactants, bleaches, enzymes and perfumes are then added.
  • the results obtained with the additive 5 introduced into a slurry are of the same order of magnitude as those obtained when this additive is introduced into the detergent bath.
  • the product retains its anti-depositing properties when introduced into a slurry.
  • DIRT Car drain oil.
  • This example illustrates the use of different latexes at a concentration of 100 ppm in a detergent formula having a concentration of 6 g / l of bath.

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  • 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)
  • Detergent Compositions (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Claims (16)

1. Detergens oder Waschmittel, enthaltend einen schmutzabweisenden und die Vergrauung verhindernden Latex, bestehend aus Vinylcopolymeren, dadurch gekennzeichnet, daß die Copolymeren bestehen entweder aus Vinylacetat/ungesättigten Carbonsäure-Copolymeren, auf die Sulfonsäurepolyester aufgepfropft sind und bei denen die Acetatgruppen gegebenenfalls zumindest teilweise verseift sind, oder aus Copolymeren von (Meth)acrylsäureestern, auf die Sulfonsäurepolyester aufgepfropft sind.
2. Mittel nach Anspruch 1, enthaltend Vinylacetat/Carbonsäure-Copolymere, dadurch gekennzeichnet, daß die Carbonsäure ausgewählt ist aus Maleinsäure, Crotonsäure, (Meth)acrylsäure und Itaconsäure.
3. Mittel nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß der Säuregehalt zwischen 3 und 8% liegt.
4. Mittel nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß der Latex besteht aus Vinylacetat/Carbonsäure-Copolymeren, auf die maximal 10% Polyestersulfonat aufgepfropft sind.
5. Mittel nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß das Polyestersulfonat 60% Phthalsäure oder Bernsteinsäure auf 40% Ethylenoxid enthält.
6. Mittel nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß sie einen Latex enthalten, umfassend:
- 84 bis 96 Gew.-% Vinylacetat,
- 3 bis 6 Gew.-% Croton- oder Acrylsäure oder eines Derivats davon,
-1 bis 10 Gew.-% Sulfonsäurepolyester.
7. Mittel, dadurch gekennzeichnet, daß sie einen Latex enthalten, umfassend:
- 87 bis 94 Gew.-% Vinylacetat,
- 4 bis 5 Gew.-% Croton- oder Acrylsäure,
- 2 bis 8 Gew.-% Sulfonsäurepolyester.
8. Mittel nach Anspruch 7, dadurch gekennzeichnet, daß die Säure Acrylsäure ist.
9. Mittel nach den Ansprüchen 6 bis 8, dadurch gekennzeichnet, daß alle oder nur ein Teil der Acetatfunktionen des erwähnten Latex sulfoniert sind.
10. Mittel nach Anspruch 1, enthaltend einen Latex, umfassend die Copolymeren von (Meth)acrylsäureestern und Crotonsäureestern und Carbonsäure, ausgewählt aus (Meth)acrylsäure, Itaconsäure und Maleinsäure.
11. Mittel nach Anspruch 10, dadurch gekennzeichnet, daß die (Meth)acrylsäureester Ester sind, deren Alkylkette 1 bis 4 Kohlenstoffatome enthält.
12. Mittel nach Anspruch 10 oder 11, dadurch gekennzeichnet, daß die (Meth)acrylsäureester ausgewählt sind aus Methyl(meth)acrylat und Ethyl(meth)acrylat.
13. Mittel nach Anspruch 10 bis 12, dadurch gekennzeichnet, daß der Latex mit maximal 10% Polyestersulfonat gepfropft ist.
14. Mittel nach Anspruch 13, dadurch gekennzeichnet, daß das Polyestersulfonat 60% Phthalyl- oder Succinylgruppen auf 40% Ethylenoxidgruppen enthält.
15. Mittel nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß sie mindestens 0,1 Gew.-% schmutzabweisenden und Vergrauung verhindernden Latex der oben angegebenen Art enthalten.
16. Mittel nach Anspruch 15, dadurch gekennzeichnet, daß sie mindestens 0,2 und vorzugsweise mindestens 0,4 Gew.-% schmutzabweisenden und Vergrauung verhindernden Latex der oben angegebenen Art enthalten.
EP87402917A 1986-12-24 1987-12-18 Latex gegen Wiederverschmutzung beim Waschen von Textilien Expired - Lifetime EP0279134B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87402917T ATE57713T1 (de) 1986-12-24 1987-12-18 Latex gegen wiederverschmutzung beim waschen von textilien.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR8618471A FR2609065B1 (fr) 1986-12-24 1986-12-24 Nouveaux agents de lavage et compositions les contenant
FR8618471 1986-12-24
FR8707279 1987-05-20
FR8707279A FR2615526B1 (fr) 1987-05-20 1987-05-20 Latex antisalissures et antiredeposants pour le lavage aqueux d'articles textiles

Publications (2)

Publication Number Publication Date
EP0279134A1 EP0279134A1 (de) 1988-08-24
EP0279134B1 true EP0279134B1 (de) 1990-10-24

Family

ID=26225690

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87402917A Expired - Lifetime EP0279134B1 (de) 1986-12-24 1987-12-18 Latex gegen Wiederverschmutzung beim Waschen von Textilien

Country Status (6)

Country Link
US (1) US4925588A (de)
EP (1) EP0279134B1 (de)
DE (1) DE3765773D1 (de)
DK (1) DK684387A (de)
ES (1) ES2018568B3 (de)
PT (1) PT86467B (de)

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PT86467A (fr) 1988-01-01
ES2018568B3 (es) 1991-04-16
PT86467B (pt) 1991-02-08
DK684387A (da) 1988-06-25
EP0279134A1 (de) 1988-08-24
DK684387D0 (da) 1987-12-23
US4925588A (en) 1990-05-15
DE3765773D1 (de) 1990-11-29

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