Hybrid copolymer compositions for personal care applications
View Patent ↗A personal care composition includes a hybrid copolymer including at least one ethylenically unsaturated monomer and a naturally derived hydroxyl containing chain transfer agent as an end group, a hybrid synthetic copolymer including one or more synthetic polymers derived from the at least one ethylenically unsaturated monomer with at least one initiator fragment as an end group and an effective amount of a cosmetic or personal care additive.
1. A personal care composition comprising:
a hybrid copolymer comprising at least one ethylenically unsaturated monomer and a naturally derived hydroxyl containing chain transfer agent as an end group, wherein the naturally derived hydroxyl containing chain transfer agent is a hydroxyl containing moiety obtained from plant sources directly or by enzymatic or fermentation processes, and wherein the naturally derived hydroxyl containing chain transfer agent is present in an amount of about 35% to about 90% by weight of the hybrid copolymer;
a hybrid synthetic copolymer comprising one or more synthetic polymers derived from the at least one ethylenically unsaturated monomer with at least one initiator fragment as an end group;
an effective amount of a cosmetic or personal care additive; and
wherein the personal care composition is selected from the group consisting of a skin lotion, a skin cream, a skin gels, a facial cleansing product, a body cleansing product, a shaving preparation, a wipe, a liquid soap, a bar soap, a color cosmetic formulation, a make-up formulation, a foundation, a sun care product, a sunscreen, a sunless tanning formulation, a shampoo, a conditioner, a hair color formulation, a hair relaxer, a product containing AHA or BHA, and a hair fixative.
2. The personal care composition of claim 1 wherein the at least one ethylenically unsaturated monomer is non-anionic.
3. The personal care composition of claim 1 wherein the at least one ehtylenically unsaturated monomer is anionic.
4. The personal care composition of claim 2 wherein the at least one ethylenically unsaturated monomer is nonionic or cationic.
5. The personal care composition of claim 1 wherein the hybrid copolymer has an average molecular weight of about 100,000 or less.
6. The personal care composition of claim 1 wherein the chain transfer agent has a molecular weight of about 100,000 or less.
7. The personal care composition of claim 1 wherein the naturally derived hydroxyl containing chain transfer agent is a polysaccharide.
8. The personal care composition of claim 7 wherein the polysaccharide is chosen from a hydrolyzed starch having a dextrose equivalent of greater than 5 or a maltodextrin having a dextrose equivalent of greater than 5.
9. The personal care composition of claim 8 wherein the maltodextrin has a dextrose equivalent of 10 or greater.
10. The personal care composition of claim 1 wherein the personal care or cosmetic additive is an aesthetic enhancer, a conditioning agent, an adjuvant, a preservative, a thickener, a gelling agent or a fixative.
11. The personal care composition of claim 1 wherein the naturally derived hydroxyl containing chain transfer agent and the ethylenically unsaturated monomer are present in the personal care composition in a 50/50 ratio.
12. The personal care composition of claim 1 wherein the initiator fragment is derived from an azo initiator, a tert-butyl hydroperoxide and erythorbic acid redox system, peroxide or an amine.
13. The personal care composition of claim 12 wherein the azo initiator is 2,2′-Azobis[2-methyl-N-(2-hydroxyethyl)propionamide].
14. The personal care composition of claim 8 wherein the composition is a hair cosmetic composition and further comprises 0.01 to 20% by weight, based on the weight of the composition, of a hair cosmetic additive.
15. The personal care composition of claim 14 wherein the hair cosmetic additive is an acrylic-based carbomer.
16. The personal care composition of claim 4 wherein the nonionic ethylenically unsaturated monomer is a vinyl lactam or a vinyl lactam with a co-monomer.
17. The personal care composition of claim 4 wherein the nonionic ethylenically unsaturated monomer is N-vinyl pyrrolidone or N-vinyl formamide.
18. The personal care composition of claim 14 wherein the hair cosmetic composition is a gel or a mousse.
19. The personal care composition of claim 1 wherein the cosmetic or personal care additive is present from about 0.01 up to about 20% by weight, based on the weight of the composition.
20. A personal care composition comprising:
a hybrid copolymer consisting essentially of at least one cationic ethylenically unsaturated monomer or at least one nonionic ethylenically unsaturated monomer or combinations thereof and a naturally derived hydroxyl containing chain transfer agent as an end group, wherein the naturally derived hydroxyl containing chain transfer agent is a hydroxyl containing moiety obtained from plant sources directly or by enzymatic or fermentation processes;
a hybrid synthetic copolymer consisting essentially of one or more synthetic polymers derived from the at least one cationic ethylenically unsaturated monomer or the at least one nonionic ethylenically unsaturated monomer or combinations thereof with at least one initiator fragment as an end group;
an effective amount of a cosmetic or personal care additive;
wherein the at least one nonionic ethylenically unsaturated monomer is chosen from hydroxyalkyl(meth)acrylates, alkyl(meth)acrylates, vinyl acetate, vinyl morpholine, vinyl pyrrolidone, vinyl caprolactam, vinyl formamide, vinyl acetamide, ethoxylated alkyl, alkaryl or aryl monomers, allyl glycidyl ether, allyl alcohol, glycerol (meth)acrylate, or monomers containing silane, silanol and siloxane functionalities, vinyl lactam or a vinyl lactam with a co-monomer; and
wherein the personal care composition is selected from the group consisting of a skin lotion, a skin cream, a skin gels, a facial cleansing product, a body cleansing product, a shaving preparation, a wipe, a liquid soap, a bar soap, a color cosmetic formulation, a make-up formulation, a foundation, a sun care product, a sunscreen, a sunless tanning formulation, a shampoo, a conditioner, a hair color formulation, a hair relaxer, a product containing AHA or BHA, and a hair fixative.
21. The personal care composition of claim 20 wherein the hybrid copolymer has an average molecular weight of about 100,000 or less.
22. The personal care composition of claim 20 wherein the chain transfer agent has a molecular weight of about 100,000 or less.
23. The personal care composition of claim 20 wherein the naturally derived hydroxyl containing chain transfer agent is a polysaccharide.
24. The personal care composition of claim 23 wherein the polysaccharide is chosen from a hydrolyzed starch having a dextrose equivalent of greater than 5 or a maltodextrin having a dextrose equivalent of greater than 5.
25. The personal care composition of claim 24 wherein the maltodextrin has a dextrose equivalent of 10 or greater.
26. The personal care composition of claim 20 wherein the personal care or cosmetic additive is an aesthetic enhancer, a conditioning agent, an adjuvant, a preservative, a thickener, a gelling agent or a fixative.
27. The personal care composition of claim 20 wherein the naturally derived hydroxyl containing chain transfer agent is present in an amount of about 35% to about 90% by weight of the hybrid copolymer.
28. The personal care composition of claim 20 wherein the naturally derived hydroxyl containing chain transfer agent and the non-anionic ethylenically unsaturated monomer are present in the personal care composition in a 50/50 ratio.
29. The personal care composition of claim 20 wherein the initiator fragment is derived from an azo initiator, a tert-butyl hydroperoxide and erythorbic acid redox system, peroxide or an amine.
30. The personal care composition of claim 29 wherein the azo initiator is 2,2′-Azobis[2-methyl-N-(2-hydroxyethyl)propionamide].
31. The personal care composition of claim 26 wherein the composition is a hair cosmetic composition and further comprises 0.01 to 20% by weight, based on the weight of the composition, of a hair cosmetic additive.
32. The personal care composition of claim 31 wherein the hair cosmetic additive is an acrylic-based carbomer.
33. The personal care composition of claim 20 wherein the nonionic ethylenically unsaturated monomer is a vinyl lactam or a vinyl lactam with a co-monomer.
34. The personal care composition of claim 20 wherein the nonionic ethylenically unsaturated monomer is N-vinyl pyrrolidone or N-vinyl formamide.
35. The personal care composition of claim 31 wherein the hair cosmetic composition is a gel or a mousse.
36. The personal care composition of claim 20 wherein the cosmetic or personal care additive is present from about 0.01 up to about 20% by weight, based on the weight of the composition.