Copolymer based on tert-butyl acrylate of methacrylate

C - Chemistry – Metallurgy – 08 – F

Patent

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167/301, 402/405

C08F 218/08 (2006.01) A61K 8/04 (2006.01) A61K 8/81 (2006.01) A61Q 5/06 (2006.01) C08F 220/18 (2006.01) C08F 226/10 (2006.01) C08L 35/02 (2006.01) C08L 39/06 (2006.01)

Patent

CA 2003987

O.Z. 0050/40406 Abstract of the Disclosure: Copolymers based on tert- butyl acrylate and/or tert-butyl methacrylate, having a R value of from 10 to 50 and obtainable by free radical polymerization of A) from 20 to 90 % by weight of tert-butyl acrylate and/or tert-butyl methacrylate, B) from 10 to 60 % by weight of N-vinylpyrrolidone and C) from 0 to 30 % by weight of a C1-C20-alkyl acrylate, a C1-C20-alkyl methacrylate, a C2-C4-hydroxyalkyl acrylate, a C2-C4-hydroxyalkyl methacrylate or vinyl acetate or a mixture thereof, are used as film formers in hair setting compositions and compositions for the surface protection of two- or three- dimensional structures.

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