Copolymers useful as rheology modifiers and home and personal care compositions comprising said copolymers

Patent metadata

Field	Value
Publication number	US-9724288-B2
Application number	US-201615225185-A
Country	US
Kind code	B2
Filing date	Aug 1, 2016
Priority date	Sep 2, 2008
Publication date	Aug 8, 2017
Grant date	Aug 8, 2017

Abstract

The present invention relates to aqueous personal care, household care, and/or fabric care compositions comprising the instant copolymers. Also disclosed are methods for the rheological modification of aqueous personal care, household care, and/or fabric care compositions comprising the instant copolymers.

First claim

The invention claimed is:

1. An aqueous personal care, household care, or fabric care composition comprising an effective amount of at least one copolymer of formula (I)

wherein
a, b, c, and d represent the percentage by weight that each repeating unit or derived monomer is contained within the copolymer;
a, b, c, and d add up to total substantially 100 weight percent relative to the total weight of the copolymer;
a is from about 81 to about 99.8% by weight of the copolymer;
b is from about 0.1% to about 18.9% by weight of the copolymer;
c is from about 0.1% to about 18.9% by weight of the copolymer;
d is from about 0% to about 18.8% by weight of the copolymer;
* is a terminal catalyst residue;
A is an amino-substituted vinyl monomer or salt thereof selected from the group consisting of mono-(C1-C4)alkylamino(C1-C8)alkyl(meth)acrylate, di-(C1-C4)alkylamino(C1-C8)alkyl(meth)acrylate, mono-(C1-C4)alkylamino(C1-C8)alkyl-(meth)acrylamide, di-(C1-C4)alkylamino(C1-C8)alkyl(meth)acrylamide, nitrogen-containing heterocyclic(meth)acrylamide, nitrogen-containing heterocyclic (meth)acrylate, and mixtures thereof;
B is a hydrophobic nonionic vinyl monomer selected from the group consisting of C 1 -C 30 alkyl ester of acrylic acid, C 1 -C 30 alkyl ester of methacrylic acid, and mixtures thereof;
C is an associative monomer of formula (V)

wherein each R2 is independently H, methyl, —C(O)OH, or —C(O)OR3; R3 is C1-C30 alkyl; T is —CH 2 C(O)O—, —C(O)O—, —O—, —CH 2 O—, —NHC(O)NH—, —C(O)NH—, —Ar—(CE 2 ) z -NHC(O)O—, —Ar—(CE 2 ) z -NHC(—O)NH—, or —CH 2 CH 2 NHC(O)—; Ar is a divalent aryl; E is H or methyl; z is 0 or 1; k is an integer in the range of 0 to about 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 about 30, m is 1; (R4-O)n is a polyoxyalkylene, which is a homopolymer, a random copolymer, or a block copolymer of C 2 -C 4 oxyalkylene units, wherein R4 is C 2 H 4 , C 3 H 6 , C 4 H 8 , or a mixture thereof, and n is an integer in the range of about 5 to about 250; Y is —R40-, —R4NH—, —C(O)—, —C(O)NH—, —R4NHC(O)NH—, or —C(O)NHC(O)—; and R5 is a substituted or unsubstituted alkyl selected from the group consisting of a C 8 -C 40 linear alkyl, a C 8 -C 40 branched alkyl, a C 8 -C 40 carbocyclic alkyl, a C 2 -C 40 alkyl-substituted phenyl, an aryl-substituted C 2 -C 40 alkyl, and a C 8 -C 80 complex ester; wherein the R5 alkyl group optionally comprises one or more substituents selected from the group consisting of a hydroxyl group, an alkoxyl group, and a halogen group; and
D is an associative vinyl monomer selected from the group consisting of cetyl polyethoxylated methacrylate (CEM), cetearyl polyethoxylated methacrylate (CSEM), stearyl polyethoxylated (meth)acrylate, arachidyl polyethoxylated (meth)acrylate, behenyl polyethoxylated methacrylate (BEM), lauryl polyethoxylated methacrylate (LEM), cerotyl polyethoxylated (meth)acrylate, monthanyl polyethoxylated (meth)acrylate, melissyl polyethoxylated (meth)acrylate, lacceryl polyethoxylated (meth) acrylate, tristyryl phenolpolyethoxylated methacrylate (TEM), hydrogenated castor oil polyethoxylated methacrylate (HCOEM), canola polyethoxylated (meth)acrylate, and cholesterol polyethoxylated methacrylate (CHEM),
A, B, C, and D, when present, are covalently attached to each other;
with the proviso that when both C and D are present in the copolymer, C and D are not the same.

2. A composition according to claim 1 wherein
a is from about 81 to about 99% by weight of the copolymer;
b is from about 0.1% to about 18% by weight of the copolymer;
c is from about 0.5% to about 18% by weight of the copolymer;
d is from about 0% to about 18.8% by weight of the copolymer;
A is an amino-substituted vinyl monomer selected from the group consisting of 2-(N,N-dimethylamino)ethyl(meth)acrylate, 3-(N,N-dimethylamino)propyl(meth)acrylate, 4-(N,N-dimethylamino)butyl(meth)acrylate, (N,N-dimethylamino)-t-butyl(meth)acrylate, 2-(N,N-diethylamino)ethyl(meth)acrylate, 3-(N,N-diethylamino)propyl(meth)acrylate, 4-(N,N-diethylamino)butyl(meth)acrylate, 2-(N,N-dipropylamino)ethyl(meth)acrylate, 3-(N,N-dipropylamino)propyl(meth)acrylate, 4-(N,N-dipropylamino)butyl(meth)acrylate, N′-(2-N,N-dimethylamino)ethyl methacrylamide, N′-(3-N,N-dimethylamino)propyl acrylamide, N-(2-pyridyl)acrylamide, N-(2-imidazoyl)methacrylamide, 2-(4-morpholinyl)ethyl methacrylate, 2-(4-morpholinyl)ethyl acrylate, N-(4-morpholinyl)methacrylamide, N-(4-morpholinyl)acrylamide, 2-vinyl pyridine, N′-(3-N,N-dimethylamino)propyl(meth)acrylamide, 2-(tert-butylamino)ethyl methacrylate, 2-(N,N-dimethylamino)propyl methacrylamide, 2-(N,N-dimethylamino)neopentyl acrylate, 4-vinyl pyridine and mixtures thereof;
B is a hydrophobic nonionic vinyl monomer selected from the group consisting of C 1 -C 30 alkyl ester of acrylic acid, C 1 -C 30 alkyl ester of methacrylic acid, and mixtures thereof;
C is an associative vinyl monomer selected from the group consisting of cetyl polyethoxylated methacrylate (CEM), cetearyl polyethoxylated methacrylate (CSEM), stearyl polyethoxylated (meth)acrylate, arachidyl polyethoxylated (meth)acrylate, behenyl polyethoxylated methacrylate (BEM), lauryl polyethoxylated methacrylate (LEM), cerotyl polyethoxylated (meth)acrylate, monthanyl polyethoxylated (meth)acrylate, melissyl polyethoxylated (meth)acrylate, lacceryl polyethoxylated (meth) acrylate, tristyryl phenolpolyethoxylated methacrylate (TEM), hydrogenated castor oil polyethoxylated methacrylate (HCOEM), canola polyethoxylated (meth)acrylate, and cholesterol polyethoxylated methacrylate (CHEM);
D is an associative vinyl monomer selected from the group consisting of cetyl polyethoxylated methacrylate (CEM), cetearyl polyethoxylated methacrylate (CSEM), stearyl polyethoxylated (meth)acrylate, arachidyl polyethoxylated (meth)acrylate, behenyl polyethoxylated methacrylate (BEM), lauryl polyethoxylated methacrylate (LEM), cerotyl polyethoxylated (meth)acrylate, monthanyl polyethoxylated (meth)acrylate, melissyl polyethoxylated (meth)acrylate, lacceryl polyethoxylated (meth) acrylate, tristyryl phenolpolyethoxylated methacrylate (TEM), hydrogenated castor oil polyethoxylated methacrylate (HCOEM), canola polyethoxylated (meth)acrylate, and cholesterol polyethoxylated methacrylate (CHEM),
with the proviso that when both C and D are present in the copolymer, C and D are not the same.

3. A composition according to claim 2 wherein
a is from about 85 to about 99% by weight of the copolymer;
b is from about 1% to about 15% by weight of the copolymer;
c is from about 1% to about 15% by weight of the copolymer;
d is from about 0% to about 18.8% by weight of the copolymer;
A is an amino-substituted vinyl monomer selected from the group consisting of 2-(N,N-dimethylamino)ethyl(meth)acrylate, 3-(N,N-dimethylamino)propyl(meth)acrylate, 4-(N,N-dimethylamino)butyl(meth)acrylate, (N,N-dimethylamino)-t-butyl(meth)acrylate, 2-(N,N-diethylamino)ethyl(meth)acrylate, 3-(N,N-diethylamino)propyl(meth)acrylate, 4-(N,N-diethylamino)butyl(meth)acrylate, 2-(N,N-dipropylamino)ethyl(meth)acrylate, 3-(N,N-dipropylamino)propyl(meth)acrylate, 4-(N,N-dipropylamino)butyl(meth)acrylate, N′-(2-N,N-dimethylamino)ethyl methacrylamide, N′-(3-N,N-dimethylamino)propyl acrylamide, N-(2-pyridyl)acrylamide, N-(2-imidazoyl)methacrylamide, 2-(4-morpholinyl)ethyl methacrylate, 2-(4-morpholinyl)ethyl acrylate, N-(4-morpholinyl)methacrylamide, N-(4-morpholinyl)acrylamide, 2-vinyl pyridine, N′-(3-N,N-dimethylamino)propyl(meth)acrylamide, 2-(tert-butylamino)

Assignees

• Basf Se

Inventors

• Graham Keith
• Normington David
• Dungworth Howard Roger
• Plonka John Mark

Classifications

• A61K8/365

  Hydroxycarboxylic acids; Ketocarboxylic acids · CPC title

• C08F220/18 Primary

  with acrylic or methacrylic acids · CPC title

• C11D3/001

  Softening compositions · CPC title

• A61K8/042

  Gels · CPC title

• A61K8/06

  Emulsions · CPC title