Butyl acrylate copolymer with methyl methacrylate and styrene Lakris 25T Methacrylic acid, methyl ester, polymer with butyl acrylate and styrene Methyl methacrylate copolymer with butyl acrylate and styrene OZ5100000 Styrene copolymer with butyl acrylate and methyl methacrylate