C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/00 (2006.01) C11D 1/04 (2006.01) C11D 1/29 (2006.01) C11D 3/37 (2006.01)
Patent
CA 2713528
Aqueous laundry detergent compositions containing surfactants and fatty acid, having a pH of from about 6 to about 11 and containing a polymer having a number average molecular weight of from about 700,000 to about 4,000,000 and comprising monomeric units including: nonionic monomers selected from acrylamide, N,N-dialkyl acrylamide, methacrylamide, N, N-dialkylmethacrylamide, hydroxyalkyl acrylate and vinyl pyrrolidone, vinyl acetate, vinyl alcohol, and mixtures thereof; cationic monomers selected from N,N-dialkylaminoalkyl methacrylate, N,N- dialkylaminoalkyl acrylate, N,N-dialkylaminoalkyl acrylamide, N,N- dialkylaminoalkylmethacrylamide, methacylamidoalkyl trialkylammonium chloride, acrylamidoalkylltrialkylammonium chloride, vinylamine, quaternized vinyl imidazole and diallyl dialkyl ammonium chloride, and mixtures thereof; and anionic monomers selected from acrylic acid, methacrylic acid, maleic acid, vinyl sulfonic acid, styrene sulfonic acid, acrylamidopropylmethane sulfonic acid (AMPS), salts thereof, and mixtures thereof; in a specified mole ratio.
La présente invention concerne des compositions aqueuses détergentes pour lessive contenant des tensioactifs et des acides gras, ayant un pH allant d'environ 6 à environ 11 et contenant un polymère ayant un poids moléculaire moyen en nombre allant d'environ 700 000 à environ 4 000 000 et comprenant des unités monomères comprenant : des monomères non ioniques choisis parmi l'acrylamide, un N,N-dialkyl acrylamide, un méthacrylamide, un N,N- dialkylméthacrylamide, un acrylate d'hydroxyalkyle et la vinyl pyrrolidone, l'acétate de vinyle, l'alcool vinylique, et des mélanges de ceux-ci ; des monomères cationiques choisis parmi un méthacrylate de N,N-dialkylaminoalkyle, un acrylate de N,N-dialkylaminoalkyle, un N,N-dialkylaminoalkyl acrylamide, un N,N-dialkylaminoalkylméthacrylamide, un chlorure de méthacrylamidoalkyl trialkylammonium, un chlorure d'acrylamidoalkyltrialkylammonium, la vinylamine, le vinyl imidazole quaternisé et un chlorure de diallyl dialkyl ammonium, et des mélanges de ceux-ci ; et des monomères anioniques choisis parmi l'acide acrylique, l'acide méthacrylique, l'acide maléique, l'acide vinyle sulfonique, l'acide styrène sulfonique, l'acide acrylamidopropylméthane sulfonique (AMPS), des sels de ceux-ci, et des mélanges de ceux-ci ; dans un rapport molaire spécifié.
de Buzzaccarini Francesco
Depoortere Johan
Depoot Karel Jozef Maria
Panandiker Rajan Keshav
Vanpachtenbeke Tim Roger Michael
Kirby Eades Gale Baker
The Procter & Gamble Company
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