Ampholyte polymers for use in personal care products
View Patent ↗Novel conditioning polymers containing (meth) acrylamidopropyltrimethyl ammonium chloride, meth (acrylic acid) or 2-(meth)acrylamido-2-methylpropane sulfonic acid and, optionally, a C 1 -C 22 alkyl (meth) acrylate and the use thereof in a cosmetically acceptable medium for the treatment of a keratin-containing substrate are disclosed.
1. An ampholyte polymer comprising:
a) about 25 35 to about 75 52.5 mol % APTAC or MAPTAC, alone or in combination methacrylamidopropyltrimethyl ammonium chloride;
b) about 25 35 to about 75 52.5 mol % acrylic acid, methacrylic acid, AMPSA or MAMPSA, alone or in combination ; and
c) about 0.1 5 to about 20 mol % of a C 1 -C 22 straight or branched chain alkyl acrylate or methacrylate methyl acrylate.
2. The polymer of claim 1 , wherein said alkyl acrylate is methyl acrylate.
3. A cosmetically acceptable medium containing from about 0.1 to about 20%, based on the weight of said medium, of the polymer of claim 1 .
4. The polymer of claim 1 , wherein a) is MAPTAC and b) is acrylic acid.
5. The polymer of claim 1 , wherein the molecular weight ranges from about 100,000 to about 10,000,000.