Suspension polymerization of styrene and methacrylate acid

Details Suspension polymerization of styrene and methacrylate acid Suspension polymerization of styrene and methacrylate acid

C - Chemistry, Metallurgy

08

J

402/16, 403/67,

C08J 3/12 (2006.01) C08F 212/08 (2006.01) C08F 220/06 (2006.01) C08J 9/16 (2006.01) C08J 9/18 (2006.01)

Patent

CA 2018185

ABSTRACT OF THE DISCLOSURE The invention provides a process for the suspension copoly- merization of styrene and methacrylic acid. The copolymerization is conducted in the presence of a water-soluble inorganic salt such as an alkali metal halide or sulfate to improve the stabili- ty of the disperse phase and to control the viscosity of the co- polymerization mixture. The process is particularly suitable for use at low water:monomer ratios. The thermoplastic copolymer beads produced are suitable for foaming or other molding applications.

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