Adhesive agent containing polysiloxane-grafted polymer, and...

C - Chemistry – Metallurgy – 08 – F

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C08F 283/12 (2006.01) A61K 8/891 (2006.01) A61K 8/893 (2006.01) C09J 4/06 (2006.01) C09J 155/00 (2006.01) C09J 183/10 (2006.01) A61K 7/11 (1990.01)

Patent

CA 2135186

2135186 9323446 PCTABS00028 Polymeric adhesive agents are disclosed which comprise polysiloxane grafted polymers wherein: (a) the polymers are made by polymerization of polysiloxane-containing monomers and non-polysiloxane-containing monomers, typically by free radical polymerization; (b) the adhesive agent has a weight average molecular weight of at least about 20,000 and contains from about 1 % to about 50 %, by weight, of polysiloxane-containing monomer; and (c) the weight percentage of silicon present as unreacted polysiloxane-containing monomer and silicone-grafted polymer having a viscosity at 25 ·C of below about 10,000,000 centistokes based on the total silicon present as unreacted silicon monomer and polysiloxane-grafted polymer is about 15 % or less. Also, the adhesive agent contains no more than about 4 %, by weight, of unreacted polysiloxane-containing monomer and polysiloxane-grafted polymer having a viscosity at 25 ·C of below about 10,000,000 centistokes. Cosmetic compositions containing such adhesive agents are also disclosed.

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