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

  • US 20100056647A1
  • Filed: 08/27/2009
  • Published: 03/04/2010
  • Est. Priority Date: 09/02/2008
  • Status: Active Grant
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Assignment
First Claim
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1. An aqueous personal care, household care, or fabric care composition comprising an effective amount of at least one copolymer of formulae (I) and/or (II)wherein whereina, 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 group, for example, a 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 C1-C30 alkyl ester of acrylic acid, C1-C30 alkyl ester of methacrylic acid, and mixtures thereof;

    C is an associative-like 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 —

    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 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 C2-C4 oxyalkylene units, wherein R4 is C2H4, C3H6, C4H8, or a mixture thereof, and n is an integer in the range of about 5 to about 250, preferably about 5 to about 100, more preferably about 10 to about 80, and most preferably about 15 to about 60;

    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 C8-C40 linear alkyl, a C8-C40 branched alkyl, a C8-C40 carbocyclic alkyl, a C2-C40 alkyl-substituted phenyl, an aryl-substituted C2-C40 alkyl, and a C8-C80 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-like 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;

    whereine, f, g, and h represent the percentage by weight that each repeating unit or derived monomer is contained within the copolymer;

    e, f, g, and h add up to total substantially 100 weight percent relative to the total weight of the copolymer;

    e is from about 5% to about 99.6% by weight of the copolymer;

    f is from about 5% to about 99.6% by weight of the copolymer;

    g is from about 0.1% to about 40% by weight of the copolymer;

    h is from about 0.1% to about 40% by weight of the copolymer;

    * is a terminal group, for example, a catalyst residue;

    E 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;

    F is a hydrophobic nonionic vinyl monomer selected from the group consisting of C1-C30 alkyl ester of acrylic acid, C1-C30 alkyl ester of methacrylic acid, and mixtures thereof;

    G is an associative-like monomer of formula (V) wherein, each R2 is independently H, methyl, —

    C(O)OH, or —

    C(O)OR;

    R3 is 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 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 C2-C4 oxyalkylene units, wherein R4 is C2H4, C3H6, C4H8, or a mixture thereof, and n is an integer in the range of about 5 to about 250, preferably about 5 to about 100, more preferably about 10 to about 80, and most preferably about 15 to about 60;

    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 C8-C40 linear alkyl, a C8-C40 branched alkyl, a C8-C40 carbocyclic alkyl, a C2-C40 alkyl-substituted phenyl, an aryl-substituted C2-C40 alkyl, and a C8-C80 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

    H is an associative-like 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),E, F, G, and H are covalently attached to each other;

    with the proviso that G and H are not the same.

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