EP1023429B1 - Compositions protegeant les couleurs des tissus et procedes correspondants - Google Patents

Compositions protegeant les couleurs des tissus et procedes correspondants Download PDF

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Publication number
EP1023429B1
EP1023429B1 EP98907556A EP98907556A EP1023429B1 EP 1023429 B1 EP1023429 B1 EP 1023429B1 EP 98907556 A EP98907556 A EP 98907556A EP 98907556 A EP98907556 A EP 98907556A EP 1023429 B1 EP1023429 B1 EP 1023429B1
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alkyl
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carbon atoms
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EP1023429A1 (fr
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Christine Popoff
Alwyn Nartey
Robert Gabriel
Eric Aubay
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Solvay USA Inc
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Rhodia Inc
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    • 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
    • C11D3/373—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicones
    • C11D3/3742—Nitrogen containing silicones
    • 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
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10—Objects to be cleaned
    • C11D2111/12—Soft surfaces, e.g. textile

Definitions

  • the present invention relates to the use of aminosilicone compounds to provide for color protection in the washing of fabric articles with detergent compositions.
  • Another subject of the present invention is the use of aminosilicone compounds in powder detergent compositions, without inorganic phosphates, for washing textiles, in particular colored textiles, said compositions being capable of forming a washing liquor which is free of or which only contains a small proportion of inorganic substances which are insoluble in said liquor.
  • EP 585 040 A1 discloses a fabric softening composition comprising at least 1% by weight of a particular quaternary ammonium compound.
  • EP 612 841 A2 discloses the use of a fabric softening clay on keratin containing fibers for controlling and for preventing pitting.
  • this invention relates to the use, in laundry detergent compositions of an aminosilicone compound having the formula: wherein:
  • the laundry detergent composition comprising said aminosilicone compound forms a washing medium (aqueous liquor). It has been found that the use of said washing medium is effective to prevent fading of the color of the fabrics after washing; the washing is repeated successively with at least ten successive washing media.
  • the said aqueous liquor can contain from 0.5 to 10 grams/litre of detergent composition containing an aminosilicone. It can relate to industrial or domestic washing operations, in a washing machine or by hand. The washing operations can be carried out at a temperature of 25 to 90°C, preferably of 30 to 60°C.
  • the amount of the aminosilicone compound used in the invention will typically be sufficient to yield a concentration of aminosilicone compound in the washing medium of from 0.001 to 0.2 gram of aminosilicone compound per liter of washing medium, more typically from 0.005 to 0.1 g/L, and even more typically from 0.01 to 0.04 g/L.
  • the aminosilicone compound will typically be present in an amount of from about 0.005 to about 30 % by weight, more typically from about 1 to about 10 % by weight of laundry detergent composition.
  • said aminosilicone compound is used in a laundry detergent composition which is further comprised of a fragrance. It has been found that the washing medium formed by mixing said composition with water is effective to prolong the release of said fragrance from fabric articles after washing.
  • said aminosilicone compound is used in association with an insoluble support, in detergent composition for washing fabric articles, in order to provide for color protection of said fabric articles.
  • said detergent composition is further comprised of a fragrance in a minor amount by weight, typically 0.05 to 0.5%, more typically 0.08 to 0.12%.
  • Said Powder detergent compositions without inorganic phosphates (alkali metal tripolyphosphates), comprise
  • the builder is regarded as "soluble" when it is capable of dissolving to more than 80% of its weight in the washing liquor.
  • An inorganic substance is regarded as "insoluble" when its solubility is less than 20% of its weight in the washing liquor.
  • Washing liquor is understood to mean the liquor obtained by dilution of the detergent composition during the prewashing and/or washing cycle or cycles.
  • silicone compounds The preparation and properties of silicone compounds is discussed generally in Silicones: Chemistry and Technology , pp. 21-31 and 75-90 (CRC Press, Vulkan- Verlag, Essen, Germany, 1991) and in Harman et al. "Silicones", Encyclopedia of Polymer Science and Engineering , vol. 15, pp. (John Wiley & Sons, Inc. 1989).
  • Preferred aminosilicone compounds are disclosed, for example in JP-047547 (J57161170) (Shinetsu Chem. Ind. KK).
  • Particularly preferred aminosilicone compounds are the three of formula I wherein (1) R 1 and R 8 are methoxy, R 2 , R 3 , R 4 , R 5 , R 6 , R 9 , and R 10 are methyl, R 7 is N-aminoethyl-3-aminopropyl, m is 135, and n is 1.5, (2) R 1 and R 8 are methoxy, R 2 , R 3 , R 4 , R 5 , R 6 , R 9 , and R 10 are methyl, R 7 is N-aminoethyl-3-aminopropyl, m is 270, and n is 1.5, and (3) R 1 and R 8 are ethoxy, R 2 , R 3 , R 4 , R 5 , R 6 , R 9 , and R 10 are methyl, R 7 is 3-aminopropyl, m is 135, and n is 1.5.
  • aminosilicone compounds include those wherein R 1 , R 2 , and R 8 are ethoxy, R 3 is 3-aminopropyl, R 4 , R 5 , R 6 , R 9 , and R 10 are methyl, m is about 8, and n is zero.
  • the numbers m and n will be integers, but for mixtures of compounds, m and n will be expressed as fractions or compound numbers which represent an average of the compounds present.
  • the formula above is not meant to imply a block copolymer structure, thus, the aminosilicone compound may have a random or block structure.
  • at least 50% by weight of the R 4 , R 5 , and R 6 groups will be methyl groups, more typically at least 90% and even more typically 100%.
  • the aminosilicone compound typically will be in the form of a liquid or viscous oil at room temperature.
  • aminosilicones described below in the context of the soluble powder detergent compositions can be substituted for the aminosilicones described above.
  • the aminosilicone can be used in certain compositions alone or as an aqueous emulsion, the aminosilicone is preferably used in association with a water-insoluble solid carrier, for example, clays, natural or synthetic silicates, silica, resins, waxes, starches, ground natural minerals, such as kaolins, clays, talc, chalk, quartz, attapulgite, montmorillonite, bentonite or diatomaceous earth, or ground synthetic minerals, such as silica, alumina, or silicates especially aluminum or magnesium silicates.
  • a water-insoluble solid carrier for example, clays, natural or synthetic silicates, silica, resins, waxes, starches, ground natural minerals, such as kaolins, clays, talc, chalk, quartz, attapulgite, montmorillonite, bentonite or diatomaceous earth, or ground synthetic minerals, such as silica, alumina, or silicates especially aluminum or magnesium silicates.
  • Synthetic silicate carriers include the hydrous calcium silicate, Micro-Cel Registered TM and the hydrous magnesium silicate Celkate Registered TM (Seegot, Inc., Parsippany, NJ).
  • Inosilicates carriers such as the naturally-occurring calcium meta-silicates such as wollastonite, available as the NYAD Registered TM wollastonite series (Processed Minerals Inc., Witlsboro, NY) can also be mentioned.
  • Synthetic sodium magnesium silicate clays, hectorite clays, and fumed silicas can also be mentioned as carriers.
  • the carrier can be a very finely divided material of average particle diameter below 0.1 micron. Examples of such carriers are fumed silica and precipitated silica; these generally have a specific surface (BET) of above 40 m 2 /g.
  • the clays that are particularly useful in the present invention are those which cooperate with the aminosilicone compounds to wash laundry better than would be expected from the actions of the individual components in detergent compositions.
  • Such clays include the montmorillonite-containing clays which have swelling properties (in water) and which are of smectite structure.
  • Typical of the smectite clays for use in the present invention is bentonite and typically the best of the bentonites are those which have a substantial swelling capability in water, such as the sodium bentonites, the potassium bentonites, or which are swellable in the presence of sodium or potassium ions, such as calcium bentonite.
  • Such swelling bentonites are also known as western or Wyoming bentonites, which are essentially sodium bentonite.
  • bentonites such as calcium bentonite
  • bentonites are normally non-swelling.
  • preferred bentonites are those of sodium and potassium, which are normally swelling, and calcium and magnesium, which are normally non-swelling, but are swellable.
  • calcium (with a source of sodium being present) and sodium bentonites are not limited to those produced in the United States of America, such as Wyoming bentonite, but also may be obtained from Europe, including Italy and Spain, as calcium bentonite, which may be converted to sodium bentonite by treatment with sodium carbonate, or may be employed as calcium bentonite.
  • the clay will have a high montmorillonite content and a low content of cristobalite and/or quartz.
  • montmorillonite-containing smectite clays of properties like those of the bentonites described may be substituted in whole or in part for the bentonites described herein, but typically the clay will be a sodium bentonite with high montmorillonite content and low cristobalite and quartz contents.
  • the swellable bentonites and similarly operative clays are of ultimate particle sizes in the micron range, e.g., 0.01 to 20 microns and of actual particle sizes less than 100 or 150 microns, such as 40 to 150 microns or 45 to 105 microns. Such size ranges also apply to the zeolite builders, which will be described later herein.
  • the bentonite and other suchr suitable swellable clays may be agglomerated to larger particle sizes too, such as up to 2 or 3 mm. in diameter.
  • the ratio of aminosilicone compound to carrier will typically range from about 0.001 to about 2, more typically from about 0.02 to about 0.5, and most typically from about 0.1 to about 0.3.
  • the aminosilicone is used in laundry compositions comprising a detergent, and optionally, other functional ingredients.
  • a detergent and optionally, other functional ingredients.
  • Examples of the detergents and other functional ingredients that can be used are disclosed in U.S. Serial No. 08/726,437, filed October 4, 1996.
  • the detergent can be selected from a wide variety of surface active agents.
  • Nonionic surfactants including those having an HLB of from 5 to 17, are well known in the detergency art. Examples of such surfactants are listed in U.S. Patent No. 3,717,630, Booth, issued February 20, 1973, and U. S. Patent No. 3,332,880, Kessler et al., issued July 25, 1967.
  • suitable nonionic surfactants which may be used in the present invention are as follows:
  • Preferred semi-polar nonionic detergent surfactants are the amine oxide detergent surfactants having the formula wherein R 1 is an alkyl, hydroxy alkyl, or alkyl phenyl group or mixtures thereof containing from 8 to 22 carbon atoms.
  • R 2 is an alkylene or hydroxy alkylene group containing from 2 to 3 carbon atoms or mixtures thereof, x is from 0 to 3 and each R 3 is an alkyl or hydroxy alkyl group containing from 1 to 3 carbon atoms or a polyethylene oxide group containing from one to 3 ethylene oxide groups and said R 3 groups can be attached to each other, e.g., through an oxygen or nitrogen atom to form a ring structure.
  • Preferred amine oxide detergent surfactants are C 10 -C 18 alkyl dimethyl amine oxide, C 8 -C 18 alkyl dihydroxy ethyl amine oxide, and C 8-12 alkoxy ethyl dihydroxy ethyl amine oxide.
  • Nonionic detergent surfactants (1)-(4) are conventional ethoxylated nonionic detergent surfactants and mixtures thereof can be used.
  • Preferred alcohol ethoxylate nonionic surfactants for use in the compositions of the liquid, powder, and gel applications are biodegradable and have the formula R(OC 2 H 4 ) n OH wherein R is a primary or secondary alkyl chain of from 8 to 22, preferably from 10 to 20 carbon atoms and n is an average of from 2 to 12, particularly from 2 to 9.
  • the nonionics have an HLB (hydrophilic-lipophilic balance) of from 5 to 17, preferably from 6 to 15. HLB is defined in detail in Nonionic Surfactants, by M. J. Schick, Marcel Dekker, Inc., 1966, pages 606-613.
  • n is from 3 to 7.
  • Primary linear alcohol ethoxylates e.g., alcohol ethoxylates produced from organic alcohols which contain 20% 2-methyl branched isomers, commercially available from Shell Chemical Company under the trademark Neodol
  • Neodol are preferred from a performance standpoint.
  • Particularly preferred nonionic surfactants for use in liquid, powder, and gel applications include the condensation product of C 10 alcohol with 3 moles of ethylene oxide; the condensation product of tallow alcohol with 9 moles of ethylene oxide; the condensation product of coconut alcohol with 5 moles of ethylene oxide; the condensation product of coconut alcohol with 6 moles of ethylene oxide; the condensation product of C 12 alcohol with 5 moles of ethylene oxide; the condensation product of C 12-13 alcohol with 6.5 moles of ethylene oxide, and the same condensation product which is stripped so as to remove substantially all lower ethoxylate and nonethoxylated fractions; the condensation product of C 12-13 alcohol with 2.3 moles of ethylene oxide, and the same condensation product which is stripped so as to remove substantially all lower ethoxylated and nonethoxylated fractions; the condensation product of C 12-13 alcohol with 9 moles of ethylene oxide; the condensation product of C 14-15 alcohol with 2.25 moles of ethylene oxide; the condensation product of C 14-15 alcohol with 4 moles of ethylene oxide; the condensation product of C 14-15 alcohol
  • nonionic surfactants are preferably solids at room temperature with a melting point above about 25° C., preferably above about 30° C. Bar compositions of the present invention made with lower melting nonionic surfactants are generally too soft, not meeting the bar firmness requirements of the present invention.
  • the bar can generally become oily.
  • nonionic surfactants usable herein, but not limited to bar applications include fatty acid glycerine and polyglycerine esters, sorbitan sucrose fatty acid esters, polyoxyethylene alkyl and alkyl allyl ethers, polyoxyethylene lanolin alcohol, glycerine and polyoxyethylene glycerine fatty acid esters, polyoxyethylene propylene glycol and sorbitol fatty acid esters, polyoxyethylene lanolin, castor oil or hardened castor oil derivatives, polyoxyethylene fatty acid amides, polyoxyethylene alkyl amines, alkylpyrrolidone, glucamides, alkylpolyglucosides, and mono- and dialkanol amides.
  • Typical fatty acid glycerine and polyglycerine esters as well as typical sorbitan sucrose fatty acid esters, fatty acid amides, and polyethylene oxide/polypropylene oxide block copolymers are disclosed by U.S. Patent No. 5,510,042, Hartman et al.
  • the castor oil derivatives are typically ethoxylated castor oil. It is noted that other ethoxylated natural fats, oils or waxes are also suitable.
  • Polyoxyethylene fatty acid amides are made by ethoxylation of fatty acid amides with one or two moles of ethylene oxide or by condensing mono-or diethanol amines with fatty acid.
  • Polyoxyethylene alkyl amines include those of formula: RNH-(CH 2 CH 2 O) n -H, wherein R is C 6 to C 22 alkyl and n is from 1 to 100.
  • Monoalkanol amides include those of formula: RCONHR 1 OH, wherein R is C 6 -C 22 alkyl and R 1 is C 1 to C 6 alkylene.
  • Dialkanol amides are typically mixtures of:
  • Examples of preferred but not limiting surfactants for detergent bar products are the following:
  • deca-, undeca-, dodeca-, tetradeca-, and pentadeca-ethoxylates of n-hexadecanol, and n-hexadecanol, and n-octadecanol having an HLB within the range recited herein are useful nonionics in the context of this invention.
  • Exemplary ethoxylated primary alcohols useful herein as the conventional nonionic surfactants of the compositions are n-C 18 EO(10); n-C 14 EO(13); and n-C 10 EO(11).
  • the ethoxylates of mixed natural or synthetic alcohols in the "tallow" chain length range are also useful herein. Specific examples of such materials include tallow-alcohol-EO(11), tallow-alcohol-EO(18), and tallow-alcohol-EO(25).
  • deca-, undeca-, dodeca-, tetradeca-, pentadeca-, octadeca-, and nonadeca-ethoxylates of 3-hexadecanol, 2-octadecanol, 4-eicosanol, and 5-eicosanol having an HLB within the range recited herein are useful conventional nonionics in the context of this invention.
  • Exemplary ethoxylated secondary alcohols useful herein are 2-C 16 EO(11); 2-C 20 EO(11); and 2-C 16 EO(14).
  • the hexa- through octadeca-ethoxylates of alkylated phenols, particularly monohydric alkylphenols, having an HLB within the range recited herein are useful as conventional nonionic surfactants in the instant compositions.
  • the hexa-through octadeca-ethoxylates of p-tridecylphenol, m-pentadecylphenol, and the like, are useful herein.
  • Exemplary ethoxylated alkylphenols useful in the mixtures herein are: p-tridecylphenol EO(11) and p-pentadecylphenol EO(18).
  • Especially preferred is Nonyl Nonoxynol-49 known as Igepat® DM-880 from Rhone-Poulenc Inc.
  • a phenylene group in the nonionic formula is the equivalent of an alkylene group containing from 2 to 4 carbon atoms.
  • nonionics containing a phenylene group are considered to contain an equivalent number of carbon atoms calculated as the sum of the carbon atoms in the alkyl group plus 3.3 carbon atoms for each phenylene group.
  • alkenyl alcohols both primary and secondary, and alkenyl phenols corresponding to those disclosed immediately hereinabove can be ethoxylated to an HLB within the range recited herein and used as the conventional nonionic surfactants in the invention.
  • Branched chain primary and secondary alcohols which are available can be ethoxylated and employed as conventional nonionic surfactants in the invention.
  • nonionic surfactant encompasses mixed nonionic surface active agents.
  • nonionic surfactants in the invention include alkylpolysaccharides, preferably alkylpolyglycosides of the formula: RO(C n H 2n O) t (Z) x wherein
  • the said aminosilicone compound can be used in compositions comprising mixtures of the above nonionic surfactants.
  • Anionic surfactants include any of the known hydrophobes attached to a carboxylate, sulfonate, sulfate or phosphate polar, solubilizing group including salts. Salts may be the sodium, potassium, ammonium and amine salts of such surfactants.
  • Useful anionic surfactants can be organic sulfuric reaction products having in their molecular structure an alkyl group containing from 8 to 22 carbon atoms and a sulfonic acid or sulfuric acid ester group, or mixtures thereof.
  • alkyl is the alkyl portion of acyl groups.
  • alkyl sulfates especially those obtained by sulfating the higher alcohols (C 8 -C 18 carbon atoms) produced from the glycerides of tallow or coconut oil; and alkyl benzene sulfonates.
  • esters of alpha-sulfonated fatty acids preferably containing from 6 to 20 carbon atoms in the ester group; 2-acyloxyalkane-1-sulfonic acids preferably containing from 2 to 9 carbon atoms in the acyl group and from 9 to 23 carbon atoms in the alkane moiety; alkyl ether sulfates preferably containing from 10 to 20 carbon atoms in the alkyl group and from 1 to 30 moles of ethylene oxide; olefin sulfonates preferably containing from 12 to 24 carbon atoms; and beta-alkyloxy alkane sulfonates preferably containing from 1 to 3 carbon atoms in the alkyl group and from 8 to 20 carbon atoms in the alkane moiety.
  • Anionic surfactants based on the higher fatty acids i.e., "soaps" are useful anionic surfactants herein.
  • Higher fatty acids containing from 8 to 24 carbon atoms and preferably from 10 to 20 carbon atoms and the coconut and tallow soaps can also be used herein as corrosion inhibitors.
  • Preferred water-soluble anionic organic surfactants herein include linear alkyl benzene sulfonates containing from 10 to 18 carbon atoms in the alkyl group; branched alkyl benzene sulfonates containing from 10 to 18 carbon atoms in the alkyl group; the tallow range alkyl sulfates; the coconut range alkyl glyceryl sulfonates; alkyl ether (ethoxylated) sulfates wherein the alkyl moiety contains from 12 to 18 carbon atoms and wherein the average degree of ethoxylation varies between 1 and 12, especially 3 to 9; the sulfated condensation products of tallow alcohol with from 3 to 12, especially 6 to 9, moles of ethylene oxide; and olefin sulfonates containing from 14 to 16 carbon atoms.
  • Specific preferred anionics for use herein include: the linear C 10 -C 14 alkyl benzene sulfonates (LAS); the branched C 10 -C 14 alkyl benzene sulfonates (ABS); the tallow alkyl sulfates, the coconut alkyl glyceryl ether sulfonates; the sulfated condensation products of mixed C 10 -C 18 tallow alcohols with from about 1 to about 14 moles of ethylene oxide; and the mixtures of higher fatty acids containing from 10 to 18 carbon atoms.
  • LAS linear C 10 -C 14 alkyl benzene sulfonates
  • ABS branched C 10 -C 14 alkyl benzene sulfonates
  • tallow alkyl sulfates the coconut alkyl glyceryl ether sulfonates
  • any of the foregoing anionic surfactants can be used separately herein or as mixtures.
  • commercial grades of the surfactants can contain non-interfering components which are processing by-products.
  • commercial alkaryl sulfonates preferably C 10 -C 14
  • Such materials and mixtures thereof are fully contemplated for use herein.
  • anionic surfactants used herein include fatty acid soaps, ether carboxylic acids and salts thereof, alkane sulfonate salts, alpha-olefin sulfonate salts, sulfonate salts of higher fatty acid esters, higher alcohol sulfate ester or ether ester salts, alkyl, preferably higher alcohol phosphate ester and ether ester salts, and condensates of higher fatty acids and amino acids.
  • Fatty acid soaps include those having the formula: R-C(O)OM, wherein R is C 6 to C 22 alkyl and M is preferably sodium.
  • Salts of ether carboxylic acids and salts thereof include those having the formula: R-(OR 1 ) n -OCH 2 C(O)OM, wherein R is C 6 to C 22 alkyl, R 1 is C 2 to C 10 , preferably C 2 alkyl, and M is preferably sodium.
  • Alkane sulfonate salts and a -olefin sulfonate salts have the formula: R-SO 3 M, wherein R is C 6 to C 22 alkyl or alpha-olefin, respectively, and M is preferably sodium.
  • Sulfonate salts of higher fatty acid esters include those having the formula: RC(O)O-R 1 -SO 3 M, wherein R is C 12 to C 22 alkyl, R 1 is C 1 to C 18 alkyl and M is preferably sodium.
  • Higher alcohol sulfate ester salts include those having the formula: RC(O)O-R 1 -OSO 3 M, wherein R is C 12 -C 22 alkyl, R 1 is C 1 -C 18 hydroxyalkyl, M is preferably sodium.
  • Higher alcohol sulfate ether ester salts include those having the formula: RC(O)(OCH 2 CH 2 ) x -R 1 -OSO 3 M, wherein R is C 12 -C 22 alkyl, R 1 is C 1 -C 18 hydroxyalkyl, M is preferably sodium and x is an integer from 5 to 25.
  • Higher alcohol phosphate ester and ether ester salts include compounds of the formulas: R-(OR 1 ) n -OPO(OH)(OM); (R-(OR 1 ) n -O) 2 PO(OM); and (R-(OR 1 ) n -O) 3 -PO, wherein R is alkyl or hydroxyalkyl of 12 to 22 carbon atoms, R 1 is C 2 H 4 , n is an integer from 5 to 25, and M is preferably sodium.
  • anionic surfactants herein are sodium coconut oil fatty acid monoglyceride sulfonates and sulfates; sodium or potassium salts of alkyl phenol ethylene oxide ether sulfates containing from about 1 to about 10 units of ethylene oxide per molecule and wherein the alkyl groups contain from about 8 to about 12 carbon atoms; and sodium or potassium salts of alkyl ethylene oxide ether sulfates containing 1 to 10 units of ethylene oxide per molecule and wherein the alkyl group contains from 10 to 20 carbon atoms.
  • Preferred cationic surfactants in the present invention are the reaction products of higher fatty acids with a polyamine selected from the group consisting of hydroxyalkylalkylenediamines and dialkylenetriamines and mixtures thereof.
  • a preferred component is a nitrogenous compound selected from the group consisting of:
  • Another preferred component is a cationic nitrogenous salt containing one long chain acyclic aliphatic C 15 -C 22 hydrocarbon group selected from the group consisting of:
  • Another class of preferred cationic nitrogenous salts having two or more long chain acyclic aliphatic C 15 -C 22 hydrocarbon groups or one said group and an arylalkyl group are selected from the group consisting of:
  • the more preferred cationic conventional surfactant is selected from the group consisting of an alkyltrimethylammonium salt, a dialkyldimethylammonium salt, an alkyldimethylbenzylammonium salt, an alkylpyridinium salt, an alkylisoquinolinium salt, benzethonium chloride, and an acylamino acid cationic surfactant.
  • the anion A [-] provides electrical neutrality.
  • the anion used to provide electrical neutrality in these salts is a halide, such as chloride, bromide, or iodide.
  • other anions can be used, such as methylsulfate, ethylsulfate, acetate, formate, sulfate, carbonate, and the like. Chloride and methylsulfate are preferred herein as anion A.
  • Cationic surfactants are commonly employed as fabric softeners in compositions added during the rinse cycle of clothes washing.
  • Many different types of fabric conditioning agents have been used in rinse cycle added fabric conditioning compositions as disclosed by U.S. Patent No. 5,236,615, Trinh et al. and U.S. Patent No. 5,405,542, Trinh et al..
  • the most favored type of agent has been the quaternary ammonium compounds.
  • Many such quaternary ammonium compounds are disclosed for example, by U.S. Patent No. 5,510,042, Hartman et al. These compounds may take the form of noncyclic quaternary ammonium salts having preferably two long chain alkyl groups attached to the nitrogen atoms.
  • imidazolinium salts have been used by themselves or in combination with other agents in the treatment of fabrics as disclosed by U.S. Patent No. 4,127,489, Pracht, et al..
  • U.S. Patent No. 2,874,074, Johnson discloses using imidazolinium salts to condition fabrics; and
  • U.S. Patent No. 3,681,241, Rudy, and U.S. Patent No. 3,033,704, Sherrill et al. disclose fabric conditioning compositions containing mixtures of imidazolinium salts and other fabric conditioning agents.
  • Amphoteric surfactants have a positive or negative charge or both on the hydrophilic part of the molecule in acidic or alkaline media.
  • amphoteric surfactants which can be used herein include amino acid, betaine, sultaine, phosphobetaines, imidazolinium derivatives, soybean phospholipids, and yolk lecithin.
  • suitable amphoteric surfactants include the alkali metal, alkaline earth metal, ammonium or substituted ammonium salts of alkyl amphocarboxy glycinates and alkyl amphocarboxypropionates, alkyl amphodipropionates, alkyl amphodiacetates, alkyl amphoglycinates and alkyl amphopropionates wherein alkyl represents an alkyl group having 6 to 20 carbon atoms.
  • amphoteric surfactants include alkyliminopropionates, alkyl iminodipropionates and alkyl amphopropylsulfonates having between 12 and 18 carbon atoms, alkylbetaines and amidopropylbetaines and alkylsultaines and alkylamidopropylhydroxy sultaines wherein alkyl represents an alkyl group having 6 to 20 carbon atoms are especially preferred.
  • amphoteric surfactants include both mono and dicarboxylates such as those of the formulae: and wherein R is an alkyl group of 6-20 carbon atoms, x is 1 or 2 and M is hydrogen or sodium. Mixtures of the above structures are particularly preferred.
  • amphoteric surfactants particularly preferred are the alkali salts of alkyl amphocarboxyglycinates and alkyl amphocarboxypropionates, alkyl amphodipropionates, alkyl amphodiacetates, alkyl amphoglycinates, alkyl amphopropyl sulfonates and alkyl amphopropionates wherein alkyl represents an alkyl group having 6 to 20 carbon atoms.
  • alkyl group is derived from coconut oil or is a lauryl group, for example, cocoamphodipropionate.
  • cocoamphodipropionate surfactants are commercially sold under the trademarks Miranol C2M-SF CONC. and Miranol FBS by Rhone-Poulenc Inc.
  • amphoteric surfactants are available from Rhone-Poulenc Inc. and include:
  • Gemini surfactants form a special class of surfactant. These surfactants have the general formula: A-G-A 1 and get their name because they comprise two surfactant moieties (A,A 1 ) joined by a spacer (G), wherein each surfactant moiety (A,A, 1 ) has a hydrophilic group and a hydrophobic group. Generally, the two surfactant moieties (A,A 1 ) are twins, but they can be different.
  • the gemini surfactants are advantageous because they have low critical micelle concentrations (cmc) and, thus, lower the cmc of solutions containing both a gemini surfactant and a conventional surfactant.
  • cmc critical micelle concentrations
  • Lower cmc causes better solubilization and increased detergency at lower surfactant use levels and unexpectedly enhances the deposition of the soil release polymers as claimed by this invention with demonstrated results to follow herein.
  • Soil removal agents adhere to the fabric being laundered, much better than when mixed with only non-gemini, conventional surfactants.
  • the gemini surfactants result in a low pC 20 value and low Krafft points.
  • the pC 20 value is a measure of the surfactant concentration in the solution phase that will reduce the surface tension of the solvent by 20 dynes/cm. It is a measure of the tendency of the surfactant to adsorb at the surface of the solution.
  • the Krafft point is the temperature at which the surfactant's solubility equals the cmc. Low Krafft points imply better solubility in water, and lead to greater latitude in making formulations.
  • gemini surfactants are disclosed by U.S. Patent Nos. 2,374,354, Kaplan; 2,524,218, Bersworth; 2,530,147 Bersworth (two hydrophobic tails and three hydrophilic heads); 3,244,724, Guttmann; 5,160,450, Okahara, et al..
  • the gemini surfactants may be anionic, nonionic, cationic or amphoteric.
  • the hydrophilic and hydrophobic groups of each surfactant moiety (A,A 1 ) may be any of those known to be used in conventional surfactants having one hydrophilic group and one hydrophobic group.
  • a typical nonionic gemini surfactant e.g., a bis-polyoxyethylene alkyl ether
  • Each moiety would contain a hydrophilic group, e.g., polyethylene oxide, and a hydrophobic group, e.g., an alkyl chain.
  • Gemini surfactants specifically useful in the present invention include gemini anionic or nonionic surfactants of the formulae: and wherein R c represents aryl, preferably phenyl.
  • these compounds comprise: wherein R 1 , R 4 , R 5 , Z, a, and b are as defined hereinbefore.
  • the primary hydroxyl group of these surfactants can be readily phosphated, sulfated or carboxylated by standard techniques.
  • the compounds included in Formula II can be prepared by a variety of synthetic routes.
  • the compounds of Formula IV can be prepared by condensing a monoalkyl phenol with paraformaldehyde in the presence of an acid catalyst such as acetic acid.
  • the compounds of Formula V can be synthesized by a Lewis acid catalyzed reaction of an alkylphenol with a dicarboxylic acid, e.g., terephthalic acid.
  • a class of gemini surfactants that can be used in providing the improved emulsions which are operable at lower concentrations as disclosed in the present invention include a group of amphoteric, and cationic quaternary surfactants comprising compounds of the formula: wherein R, t, and Z are as defined hereinbefore.
  • R 1 is as defined before and includes the [ -(EO) a (PO) b O- ]H moiety
  • R 2 is as defined before, however, D includes the following moieties: -N(R 6 )-C(O)-R 5 -CH 2 O- and -N(R 6 )-C(O)-R 5 -N(R 6 )-R 4 -.
  • R 3 is selected from the group consisting of a bond, C 1 -C 10 alkyl, and -R 8 -D 1 -R 8 - wherein D 1 , R 5 , R 6 , a, b, and R 8 are as defined above (except R 8 is not -OR 5 O-).
  • the compounds of Formula VII comprise: wherein R, R 2 , R 5 and Z are as defined above and n equals a number from about 2 to about 10. More particularly, the compounds of Formula VII comprise: wherein R, R 2 , R 5 , Z, and n are as defined hereinbefore; and m independently equals a number between about 2 and about 10.
  • Representative compounds of Formula VII include:
  • gemini surfactants which have been found to provide the low concentration emulsions in the invention are the cyclic cationic quaternary surfactants of the formula: wherein R and R 3 are as identified hereinbefore in formula VII; R 9 is independently a C 1 - C 10 alkyl or alkylaryl; and X represents a counterion such as an anion illustrated by halogen (C1, Br, and I), alkylsulfate such as methyl or ethylsulfate, alkylphosphate such as methylphosphate, and the like.
  • the compounds used in the present invention comprise those of Formula XIII in which R 3 is a C 2 - C 4 alkyl, most preferably ethyl, R 9 is a lower alkyl of from 1 to 4 carbon atoms, most preferably methyl; and X is halogen or methylsulfate.
  • the compounds of Formula XIII can be prepared by a variety of snythetic routes though it has been found that they can be produced particularly effectively by quatemizing a bisimidazoline prepared by a process disclosed and claimed in copending application "Amphoteric Surfactants having Multiple Hydrophobic and Hydrophilic Groups", U.S.S.N. 08/292,993 filed 08/19/94 wherein a polyamine reactant having at least four amino groups, of which two.
  • acylating agent such as a carboxylic acid, ester, and the naturally occurring triglyceride esters thereof or acid chlorides thereof in an amount sufficient to provide at least about 1.8 fatty acid groups [R 1 C(O)-] per polyamine to provide the bisimidazoline.
  • gemini surfactants useful in this invention are those of the formula: wherein R 13 is a sugar moiety, e.g., a monosaccharide, desaccharide, or polysaccharide such as glucose; or a polyhydroxy compound such as glycerol; p is independently 0 to 4; R 3 is as defined above in formula VII; and R 14 is a C 1 -C 22 alkyl or -C(O)R 4 wherein R 4 is as described above.
  • the moieties can be derived from natural sources which will generally contain mixtures of different saturated and unsaturated carbon chain lengths.
  • the natural sources can be illustrated by coconut oil or similar natural oil sources such as palm kernel oil, palm oil, osya oil, rapeseed oil, castor oil or animal fat sources such as herring oil and beef tallow.
  • the fatty acids from natural sources in the form of the fatty acid or the triglyceride oil can be a mixture of alkyl radicals containing from about 5 to about 22 carbon atoms.
  • Illustrative of the natural fatty acids are caprylic (C 8 ), capric (C 10 ), lauric (C 12 ), myristic (C 14 ), palmitic (C 16 ), stearic (C 18 ), oleic (C 18 , monounsaturated), linoleic (C 18 , diunsaturated), linolenic (C 18 , triunsaturated), ricinoleic (C 18 , monounsaturated) arachidic (C 20 ), gadolic (C 20 , monounsaturated), behenic (C 22 ) and erucic (C 22 ). These fatty acids can be used per se , as concentrated cuts or as fractionations of natural source acids.
  • fatty acids with even numbered carbon chain lengths are given as illustrative though the odd numbered fatty acids can also be used.
  • single carboxylic acids e.g., lauric acid, or other cuts, as suited for the particular application, may be used.
  • the surfactants used in the present invention can be oxyalkylated by reacting the product with an alkylene oxide according to known methods, preferably in the presence of an alkaline, catalyst.
  • the free hydroxyl groups of the alkoxylated derivative can then be sulfated, phosphated or acylated using normal methods such as sulfation with sulfamic acid or sulfur trioxide-pyridine complex, or acylation with an acylating agent such as a carboxylic acid, ester, and the naturally occurring triglyceride esters thereof.
  • the surfactants of the invention can be used in any amount needed for a particular application which can be easily determined by a skilled artisan without undue experimentation.
  • Detergency builders can be selected from any of the conventional inorganic and organic water-soluble builder salts, including neutral or alkaline salts, as well as various water-insoluble and so-called "seeded” builders.
  • Builders are preferably selected from the various water-soluble, alkali metal, ammonium or substituted ammonium phosphates, polyphosphates, phosphonates, polyphosphonates, carbonates, silicates, borates, polyhydroxysulfonates, polyacetates, carboxylates, and polycarboxylates. Most preferred are the alkali metal, especially sodium, salts of the above.
  • inorganic phosphate builders are sodium and potassium tripolyphosphate, pyrophosphate, polymeric metaphate having a degree of polymerization of from 6 to 21, and orthophosphate.
  • polyphosphonate builders are the sodium and potassium salts of ethylene-1, 1-diphosphonic acid, the sodium and potassium salts of ethane 1-hydroxy-1, 1-diphosphonic acid and the sodium and potassium salts of ethane, 1,1,2-triphosphonic acid.
  • nonphosphorus, inorganic builders are sodium and potassium carbonate, bicarbonate, sesquicarbonate, tetraborate decahydrate, and silicate having a molar ratio of SiO 2 to alkali metal oxide of from about 0.5 to about 4.0, preferably from about 1.0 to about 2.4.
  • Water-soluble, non phosphorus organic builders useful herein include the various alkali metal, ammonium and substituted ammonium polyacetates, carboxylates, polycarboxylates and polyhydroxysulfonates.
  • polyacetate and polycarboxylate builders are the sodium, potassium, lithium, ammonium and substituted ammonium salts of ethylenediamine tetraacetic acid, nitrilotriacetic acid, oxydisuccinic acid, mellitic acid, benzene polycarboxylic acids, and citric acid.
  • Other useful builders herein are sodium and potassium carboxymethyloxymatonate, carboxymethyloxysuccinate, cis-cyclohexanehexacarboxylate, cis-cyclopentanetetracarboxylate phloroglucinol trisulfonate, water-soluble polyacrylates (having molecular weights of from 2,000 to 200,000 for example), and the copolymers of maleic anhydride with vinyl methyl ether or ethylene.
  • polycarboxylates for use herein are the polyacetal carboxylates described in U.S. Patent No. 4,144,226, issued March 13, 1979 to Crutchfield et al.; and U. S. Patent No. 4,246,495, issued March 27, 1979 to Crutchfield et al..
  • “Insoluble” builders include both seeded builders such as 3:1 weight mixtures of sodium carbonate and calcium carbonate; and 2.7:1 weight mixtures of sodium sesquicarbonate and calcium carbonate.
  • Amphorus and crystalline alumino silicates such as hydrated sodium Zeolite A are commonly used in laundry detergent applications. They have a particle size diameter of 0.1 micron to 10 microns depending on water content of these molecules. These are referred to as ion exchange materials. Crystalline alumino silicates are characterized by their calcium ion exchange capacity. Amphorus alumino silicates are usually characterized by their magnesium exchange capacity. They can be naturally occurring or synthetically derived.
  • Detergent composition components useful herein may also include hydrotropes, enzymes (e.g., proteases, amylases and cellulases), enzyme stabilizing agents, pH adjusting agents (monoethanolamine, sodium carbonate, etc.) halogen bleaches (e.g., sodium and potassium dichloroisocyanurates), peroxyacid bleaches (e.g., diperoxydodecane 1,12 dioic acid), inorganic percompound bleaches (e.g., sodium perborate), antioxidants as optional stabilizers, reductive agents, activators for percompound bleaches (e.g., tetraacetylethylenediamine and sodium nonanoyloxybenzene sulfonate), soil suspending agents (e.g., sodium carboxymethyl cellulose), soil anti-redisposition agents, corrosion inhibitors, perfumes and dyes, buffers, whitening agents, solvents (e.g., glycols and aliphatic alcohols) and optical bright
  • auxiliary additives such as inorganic salts and common salt, humectants, solubilizing agents, UV absorbers, softeners, chelating agents, static control agents and viscosity modifiers may be added for use herein.
  • processing aids are optionally used such as salts and/or low molecular weight alcohols such as monodihydric, dihydric (glycol, etc.), trihydric (glycerol, etc.), and polyhydric (polyols) alcohols.
  • Bar compositions may also include insoluble particulate material components, referred to as "fillers" such as calcium carbonate, silica and the like.
  • compositions comprising said aminosilicone compound can be in any form that is convenient for use as a detergent, e.g. bars, powders, flakes, pastes, or liquids which may be aqueous or non-aqueous and structured or unstructured.
  • the detergent compositions can be prepared in any manner which is convenient and appropriate to the desired physical form so as co-agglomeration, spray drying, or dispersing in a liquid.
  • the total weight percentages of the conventional surfactants useful herein, all weight percentages being based on the total active weight of the compositions consisting of aminosilicone compound, optional carrier, conventional surfactant(s), gemini surfactant(s), soil release agent(s), and (optionally) detergency builder(s) are 10 to 99.9 weight percent, typically 15-75 weight percent.
  • gemini surfactants are typically present, if employed, at a level of 0.005 to 50, typically from 0.02-15.0, active weight percent of the composition.
  • the polymeric soil release agents are typically present, if employed, at a level of from 0.05 to 40, typically from 0.2-15 active weight percent.
  • the optional detergency builders are suitably present at a level of from 0 to 70 weight percent, typically from 5 to 50 weight percent.
  • Aminosilicone compounds can be used in compositions to clean various fabrics, e.g. wool, cotton, silk, polyesters, nylon, other synthetics, blends of multiple synthetics and or synthetic/natural fiber blends. They are particularly useful with colored fabrics, i.e. those that have a visually perceptible hue. They are also particularly useful in connection with washing media that also contain a fragrance.
  • the fragrance need not be pre-mixed or pre-reacted with the aminosilicone oil in any way nor must the fragrance as an active principle a hydroxy functional compound.
  • the fragrance substances that may be used in the context of the invention include natural and synthetic fragrances, perfumes, scents, and essences and any other substances and mixtures of liquids and/or powdery compositions which emit a fragrance.
  • natural fragrances there are those of animal origin, such as musk, civet, castreum, ambergris, or the like, and those of vegetable origin, such as lemon oil, rose oil, citronella oil, sandalwood oil, peppermint oil, cinnamon oil, or the like.
  • synthetic fragrances there are mixed fragrances of alpha-pinene, limonene, geraniol, linalool, lavandutol, nerolidol, or the like.
  • compositions comprise:
  • anionic surface-active agents of the anionic or non-ionic surface-active agents commonly used in the field of detergents for washing laundry, such as anionic surface-active agents, such as :
  • soluble organic builders (B) of:
  • aminopolyorganosiloxanes preferably comprise units of formula (I), (II), (III) where
  • the said A symbol is preferably an amino group of formula -R 2' -N(R 3' )(R 4' ) where
  • the preferred formulae are: -(CH 2 ) 3 NH 2 -(CH 2 ) 3 NHCH 2 CH 2 NH 2 and -(CH 2 ) 3 N(CH 2 CH 2 NH 2 ) 2 .
  • the R 1' symbol preferably represent methyl, ethyl, or phenyl, groups. It very particularly represents the methyl group (at least predominantly).
  • the B symbol preferably represents an OR group where R contains from 1 to 6 carbon atoms, very particularly 4 carbon atoms, or the A symbol.
  • the B symbol is very preferably a methyl or butoxy group.
  • the aminosilicone can exhibit a number-average molecular mass of 2000 to 50,000, preferably of 3000 to 30,000.
  • said aminosilicones (AS) or the aminopolyorganosiloxanes (APS) can exhibit in their chain, per total of 100 silicon atoms, from 0.1 to 50, preferably from 0.3 to 10, very particularly from 0.5 to 5, aminofunctionalized silicon atoms.
  • Insoluble inorganic builders can additionally be present but in a limited amount, in order not to exceed the level of less than 20% of insoluble inorganic material defined above.
  • the said detergent compositions can additionally comprise standard additives for powder detergent compositions, such as soil release agents in amounts of 0.01-10%, preferably of 0.1 to 5% and very particularly of 0.2-3% by weight, agents such as:
  • Tapwater at 80°F (30 ppm hardness) was used to fill the washing machine. Additional water hardness was added by a Repipet dispenser to deliver 100 ppm of additional hardness for a total washing medium hardness of 130 ppm. The water was agitated to ensure that the final washwater temperature was correct. A powdered or liquid detergent formulation was then added followed at the concentration shown below for each formulation. After agitating the washwater (total 45 L) for 30 seconds, an aminosilicone compound was added to the washing medium to obtain an aminosilicone content in the washwater as shown below.
  • the aminosilicone compound and a bentonite clay having a high montmorillonite content and a low cristobalite and quartz content was pre-mixed with the silicone compound so as to form an agglomerate.
  • the washwater was then agitated to ensure mixing of the components.
  • Fabric in the form of swatches and/or clothing was added last.
  • the wash was agitated for an additional 30 seconds to ensure wetting of the fabrics and then the wash cycle was reset to 18 minutes and a wash/rinse cycle was completed.
  • the loads were occasionally rotated through four identical washing machines to mitigate an differences in washing activity of the four machines (e.g. speed of agitation). Prior to rotation, the washing machines were thoroughly rinsed. In each wash series, a control wash (i.e. detergent with no aminosilicone additive) was performed. It is noted that in all the examples, all like ingredient abbreviations or designations indicate like ingredients.
  • Xtra-Detergent which contains 10.5 % silicate, 12 % linear alkylbenzenesulfonate (LAS), 2 % nonionic--alcohol ethoxylate, 40 % Na carbonate, optical brightener, sodium sulfate, and perfume.
  • This detergent formulation was used at 1.2 g Xtra deter/liter wash water.
  • Wisk Liquid An anionic/nonionic Super Concentrated Heavy Duty Liquid (3/8 Cup) sold in the US by Lever Bros. as Wisk Liquid which contains LAS, ether sulfate, nonionic-- alcohol ethoxylate, citrate, perfume, enzymes, enzyme stabilizer, optical brightener and buffer system. This detergent formulation was used at 1.2 g/L.
  • SCHDD Super Concentrated Heavy Duty Detergent
  • a fragrance Frash Floral from International Flavors and Fragrances
  • detergent was allowed to "age” 1 week at room temperature with occasionally stirring/shaking each day before it was used This detergent formulation was used at 1.0 g/L.
  • the clothing and fabric used were purchased at consumer retail. To ensure uniformity amongst the products tested; the clothing articles were evenly divided amongst the products. For each detergent product 2-4 replicates of each clothing /fabric type are added to the wash. Fabric Types: cotton lycra (95 %/ 5 %); corduroy; 100 % cotton knit--single and double; 100 % cotton weave; cotton polyester blends, cotton synthetic blends; cotton terry cloth towels; and flannel. The colors of the clothing and fabrics varied.
  • a panel comprised of at least 10 experienced evaluators compares the washed swatches/clothing one of which is washed by a control detergent composition and the other of which are washed using a silicone containing "caretergent". Identical articles from each of the detergent compositions are evaluated by ranking them. All swatches/clothing articles are evaluated for color protection, brightness/intensity of colors and drape of the cloth. The swatches/clothing articles were also evaluated for softness. Again, in this test, the panelist were asked to rank the products from least to most soft.
  • Clothing bundle washed and dried 13 times. Panelist evaluated fragrance retention after the 13th dryer drying.
  • Static control is determined right after the clothes are dried for the specific time.
  • the panelists are asked to pull out specific swatches from the dryer and assess the clinginess/static buildup of the specific swatch to the rest of the clothing bundle, and to the dryer wall itself. In the latter case the swatch is placed on the inside vertical portion of the dryer wall; its ability to drop off the wall is observed.
  • the static control of the swatches for each of the products are ranked from most to least "clingy"/static. In this case "ties" were allowed.
  • aminosilicone employed is the aminopolydimethylsiloxane of formula: MeO-Si(Me) 2 -O-[Si(Me) 2 -O] x -[Si(Me)(A)-O] y -Si(Me) 2 OMe where

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Claims (19)

  1. Utilisation, dans des compositions détergentes pour le linge, d'un composé aminosilicone de formule :
    Figure 00830001
    dans laquelle :
    R1 et R8 sont choisis indépendamment parmi le groupe constitué d'un hydrogène, d'un hydroxy, d'un alkyle (typiquement en C1-C4) et d'un alcoxy (typiquement en C1-C4), R2, R3, R9, et R10 sont choisis indépendamment parmi le groupe constitué d'un alkyle (typiquement en C1-C4) et d'un alcoxy (typiquement en C1-C4), à condition que l'un parmi R2, R3, R9, et R10 puisse être choisi parmi le groupe constitué d'un groupe alkyle substitué par un amino primaire et d'un groupe alkyle substitué par un amino secondaire (typiquement un groupe aminoalkyle N-(aminoalkyl)-substitué de telle sorte que le composé renferme une fonctionnalité amine aussi bien primaire que secondaire), R4, R5, et R6 sont choisis indépendamment parmi le groupe constitué d'un alkyle (typiquement en C1-C4) et d'un aryle (typiquement un phényle), R7 est choisi parmi le groupe constitué d'un groupe alkyle substitué par un amino primaire et d'un groupe alkyle substitué par un amino secondaire (typiquement un groupe alkyle aminoalkyle-substitué de telle sorte que le composé renferme une fonctionnalité amine aussi bien primaire que secondaire), et
    m et n sont des nombres où m est supérieur à n (typiquement, le rapport de m:n est de 2:1 à 500:1, plus typiquement de 40:1 à 300:1 et le plus typiquement de 85:1 à 185:1) et la somme de n et m donne lieu à un composé aminosilicone présentant une viscosité de 10 à 100 000 cps à 25° (typiquement la somme de n et m est de 10 à 600, plus typiquement de 50 à 400 et le plus typiquement de 135 à 275),
    en tant qu'agent protégeant les couleurs pour des articles en tissu.
  2. Utilisation selon la revendication 1, dans laquelle R1 et R8 sont chacun un alcoxy.
  3. Utilisation selon la revendication 1 ou 2, dans laquelle R7 est un groupe aminoalkyle N-(aminoalkyl)-substitué.
  4. Utilisation selon l'une quelconque des revendications 1 à 3, dans laquelle R7 est un N-(aminoéthyl)-3-aminopropyle.
  5. Utilisation selon l'une quelconque des revendications 1 à 4 dans laquelle le composé aminosilicone est présent dans ladite composition détergente pour la lessive en une quantité de 0,005 à 30 % en poids, de préférence de 1 à 10 % en poids.
  6. Utilisation selon l'une quelconque des revendications 1 à 5, dans laquelle ledit composé aminosilicone est en association avec un support insoluble.
  7. Utilisation selon la revendication 6, dans laquelle ladite composition détergente pour la lessive comprend en outre une senteur.
  8. Utilisation selon l'une quelconque des revendications 1 à 7, dans laquelle ladite composition détergente pour la lessive est une composition détergente pulvérulente, sans phosphate inorganique, comprenant :
    au moins un agent tensioactif (S)
    au moins un adjuvant de détergence inorganique ou organique (B) qui est soluble dans la liqueur de lavage
    au moins une aminosilicone (AS) ci-dessus,
    lesdites compositions ne comprenant pas plus de 20 % en poids de substances inorganiques qui sont insolubles dans la liqueur de lavage.
  9. Utilisation selon la revendication 8, dans laquelle ladite composition détergente pour la lessive comprend :
    de 5 à 60 %, de préférence de 8 à 40 % en poids d'au moins un agent tensioactif ;
    de 5 à 80 %, de préférence de 8 à 40 % en poids d'au moins un adjuvant de détergence inorganique ou organique soluble (B) ;
    de 0,01 à 8 % de préférence de 0,1 à 5 %, très particulièrement de 0,3 à 3% en poids d'au moins une aminosilicone (AS).
  10. Utilisation selon la revendication 8 ou 9, dans laquelle ladite aminosilicone est choisie parmi les aminopolyorganosiloxanes linéaires renfermant des motifs siloxane de formules générales : R1 aBbSiO(4-a-b)/2 dans laquelle a+b = 3, avec a = 0, 1, 2 ou 3 et b = 0, 1, 2 ou 3 R1 cAdSiO(4-c-d)/2 dans laquelle c+d = 2, avec c = 0 ou 1 et b = 1 ou 2 R1 2SiO2/2 dans lesquelles formules
    les symboles R1', qui sont identiques ou différents, représentent un radical aliphatique saturé, linéaire ou ramifié, renfermant de 1 à 10 atomes de carbone, ou un radical phényle,
    les symboles A, qui sont identiques ou différents, représentent un groupe amino primaire ou secondaire lié au silicium par l'intermédiaire d'une liaison SIC ;
    les symboles B, qui sont identiques ou différents, représentent
    un groupe fonctionnel OH ;
    un groupe fonctionnel OR, dans lequel R représente un groupe alkyle renfermant de 1 à 12 atomes de carbone, de préférence de 3 à 6 atomes de carbone, très particulièrement 4 atomes de carbone ; ou
    le symbole A.
  11. Utilisation selon la revendication 10, dans laquelle
    dans les motifs de formule (I), a = 1, 2 ou 3 et b = 0 ou 1, et
    dans les motifs de formule (II), c = 1 et d = 1.
  12. Utilisation selon la revendication 10 ou 11, dans laquelle ledit symbole A est un groupe amino de formule : -R2'-N(R3') (R4') dans laquelle
    le symbole R2' représente un groupe alkylène renfermant de 2 à 6 atomes de carbone,
    les symboles R3' et R4', qui sont identiques ou différents, représentent
    H,
    un groupe alkyle ou hydroxyalkyle renfermant de 1 à 12 atomes de carbone, de préférence de 1 à 6 atomes de carbone, ou
    un groupe aminoalkyle, de préférence un groupe aminoalkyle primaire, dont le groupe alkyle renferme de 1 à 12 atomes de carbone, de préférence de 1 à 6 atomes de carbone.
  13. Utilisation selon l'une quelconque des revendications 10 à 12, dans laquelle le symbole A est de formule -(CH2)3NH2 ; -(CH2)3N(CH3)2 ; -(CH2)3NHCH2CH2NH2 ; -(CH2)3N(CH2CH2OH2 ; ou -(CH2)3N(CH2CH2NH2)2.
  14. Utilisation selon la revendication 10 ou 11, dans laquelle R1' représente un groupe méthyle, éthyle ou phényle, très particulièrement le groupe méthyle.
  15. Utilisation selon la revendication 10 ou 11, dans laquelle le symbole B représente :
    un groupe OR, dans lequel R renferme de 1 à 6 atomes de carbone, très particulièrement 4 atomes de carbone,
    ou le symbole A.
  16. Utilisation selon l'une quelconque des revendications 10 à 15, dans laquelle ladite aminosilicone représente une masse moléculaire moyenne en nombre de 2 000 à 50 000, de préférence de 3 000 à 30 000.
  17. Utilisation selon l'une quelconque des revendications 10 à 16, dans laquelle ladite aminosilicone présente dans sa chaíne, par total de 100 atomes de silicium, de 0,1 à 50, de préférence de 0,3 à 10, très particulièrement de 0,5 à 5, atomes de silicium à fonction amino.
  18. Utilisation selon la revendication 8 ou 9, dans laquelle ledit agent tensioactif est anionique ou non ionique.
  19. Utilisation selon la revendication 8 ou 9, dans laquelle ledit adjuvant de détergence inorganique ou organique soluble (B) est choisi parmi :
    des silicates de métaux alcalins amorphes ou cristallins de formule : xSiO2•M2O•yH2O, avec 1 ≤ x ≤ 3,5 et 0 ≤ y/(x+1+y)≤0,5, dans laquelle M est un métal alcalin et très particulièrement un sodium, notamment des silicates de métaux alcalin lamellaires ;
    des carbonates alcalins
    des cogranules de silicales de métaux alcalins hydratés et de carbone de métaux alcalins ;
    des tétraborates ou des précurseurs de borates ;
    des polyphosphonates hydrosolubles ;
    des sels hydrosolubles de polymères ou de copolymères carboxyliques présentant une masse moléculaire de 2000 à 100 000 ;
    des polycarboxylate-éthers ;
    des hydropolycarboxylate-éthers ;
    l'acide citrique et ses sels, l'acide mellitique, l'acide succinique et leurs sels ;
    des sels d'acides polyacétiques ;
    des acides (C5-C20-alkyl)succiniques et leurs sels ;
    des esters carboxyliques de polyacétals ;
    l'acide polyaspartique, l'acide polyglutamique et leurs sels ;
    des polyimides dérivés de la polycondensation de l'acide aspartique et/ou de l'acide glutamique ;
    des dérivés polycarboxy méthylés de l'acide glutamide ; et
    des aminophosphonates.
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ATE295407T1 (de) 2005-05-15
DE69830186T2 (de) 2006-02-02
BR9807259A (pt) 2000-05-23
DE69830186D1 (de) 2005-06-16
WO1998039401A1 (fr) 1998-09-11
ZA981377B (en) 1998-11-17
AR011689A1 (es) 2000-08-30
EP1023429A1 (fr) 2000-08-02
AU6333098A (en) 1998-09-22

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