THICKENED AQUEOUS DETERGENT LIQUID

摘要

A thickened aqueous detergent liquid comprising: (i) at least 5 wt % of a surfactant system comprising anionic surfactant, (ii) at least 0.2 wt % of a thickening system comprising a linear copolymer formed by the addition polymerisation of: (A) 0.1 to 5 wt % of a first monomer consisting of an ethylenically unsaturated diacid of formula (I): HOOC—CR1═CR2—COOH (I) or an unsaturated cyclic anhydride precursor of such an ethylenically unsaturated diacid, the anhydride having formula (II), where R1 and R2 are individually selected from H, C1-C3 alkyl, phenyl, chlorine and bromine; (B) 15 to 60 wt % of a second ethylenically unsaturated monoacidic monomer consisting of (meth)acrylic acid; (C) 30 to 70 wt % of a third ethylenically unsaturated monomer consisting of C1-C8 alkyl ester of (meth)acrylic acid; (D) 1 to 25 wt %, of a fourth ethylenically unsaturated monomer, consisting of surfmer of formula (III), wherein each R3 and R4 are each independently selected from H, methyl, —C(═O)OH, or —C(═O)OR5; R5 is a C1-C30 alkyl; T is —CH2C(═O)O—, —C(═O)O—, —O—, —CH2O—, —NHC(═O)NH—, —C(═O)NH—, —Ar—(CE2)z—NHC(═O)O—, —Ar—(CE2)z—NHC(═O)NH—, or CH2CH2NHC(═O)—Ar is divalent aryl; E is H or methyl; z is 0 or 1; k is an integer in the range of 0 to 30; and m is 0 or 1; with the proviso that when k is 0, m is 0, and when k is in the range of 1 to 30; m is 1; (R6O)n is polyoxyalkylene, which is a homopolymer, a random copolymer, or a block copolymer of C2-C4-oxyalkylene units, wherein R6 is C2H4, C3H6, C4H8, or a mixture thereof, and n is an integer in the range of 5 to 250; Y is —R6O—, —R6—, —C(═O)—, —C(═O)NH—, ═R6NHC(═O)NH—, or —C(═O)NHC(═O)—; and R7 is substituted or unsubstituted alkyl selected from the group consisting of C8-C40 linear alkyl, C8-C40 branched alkyl, C8-C40 carbocyclic alkyl, C2-C40 alkyl-substituted, phenyl, aryl-substituted C2-C40 alkyl, and C8C80 complex ester; wherein the R7 alkyl group optionally comprises one or more substituents selected from the group consisting of hydroxy, alkoxy, and halogen.;

主权项

1. A thickened aqueous detergent liquid comprising:
(i) at least 5 wt % of a surfactant system comprising anionic surfactant, (ii) at least 0.2 wt % of a thickening system comprising a linear copolymer formed by the addition polymerisation of:
(A) 0.1 to 5 wt % of a first monomer consisting of an ethylenically unsaturated diacid of formula (I):
HOOC—CR1═CR2—COON  (I) or an unsaturated cyclic anhydride precursor of such an ethylenically unsaturated diacid, the anhydride having formula (II)  where R1 and R2 are individually selected from H, C1-C3 alkyl, phenyl, chlorine and bromine;(B) 15 to 60 wt % of a second ethylenically unsaturated monoacidic monomer consisting of (meth)acrylic acid;(C) 30 to 70 wt % of a third ethylenically unsaturated monomer consisting of C1-C8 alkyl ester of (meth)acrylic acid;(D) 1 to 25 wt %, of a fourth ethylenically unsaturated monomer, consisting of surfmer of formula (III):  wherein each R3 and R4 are each independently selected from H, methyl, —C(═O)OH, or —C(═O)OR5;R5 is a C1-C30 alkyl;T is —CH2C(═O)O—, —C(═O)O—, —O—, —CH2O—, —NHC(═O)NH—, —C(═O)NH—, —Ar—(CE2)z—NHC(═O)O—, —Ar—(CE2)z—NHC(═O)NH—, or —CH2CH2NHC(═O)—;Ar is divalent aryl;E is H or methyl;z is 0 or 1;k is an integer in the range of 0 to 30; and m is 0 or 1; with the proviso that when k is 0, m is 0, and when k is in the range of 1 to 30; m is 1;(R6O)n is polyoxyalkylene, which is a homopolymer, a random copolymer, or a block copolymer of C2-C4-oxyalkylene units, wherein R6 is C2H4, C3H6, C4H8, or a mixture thereof, and n is an integer in the range of 5 to 250; Y is —R6O—, —R6—, —C(═O)—, —C(═O)NH—, ═R6NHC(═O)NH—, or —C(═O)NHC(═O)—; andR7 is substituted or unsubstituted alkyl selected from the group consisting of C8-C40 linear alkyl, C8-C40 branched alkyl, C8-C40 carbocyclic alkyl, C2-C40 alkyl-substituted, phenyl, aryl-substituted C2-C40 alkyl, and C8-C80 complex ester; wherein the R7 alkyl group optionally comprises one or more substituents selected from the group consisting of hydroxy, alkoxy, and halogen.