Vinyl chloride polymer composition

Details Vinyl chloride polymer composition Vinyl chloride polymer composition

C - Chemistry, Metallurgy

08

L

400/4913

C08L 27/06 (2006.01) C08L 51/00 (2006.01)

Patent

CA 1038534

VINYL CHLORIDE POLYMER COMPOSITION ABSTRACT OF THE DISCLOSURE A thermoplastic vinyl chloride polymer composition superior in processing properties is provided. The com- position comprises (I) polyvinyl chloride or a copolymer predominantly comprised of vinyl chloride and (II) a methyl methacrylate composite polymer characterized by the combina- tion of component A consisting essentially of, in polymerized form, a predominant amount of methyl methacrylate and a minor amount of acrylic acid ester and, optionally, other copolymerizable unsaturated monomer, and component B consisting essentially of, in polymerized form, methyl methacrylate and, optionally, other copolymeriz- able unsaturated monomer. The methyl methacrylate composite polymer (II) is either a composite polymer prepared by the sequential emulsion two stage polymerization of two monomer charges of components A and B or a blend polymer of two polymer latexes separately prepared from the monomer charges of components A and B. - 1 -

188337

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