Polymethylmethacrylate based molding compositions

Details Polymethylmethacrylate based molding compositions Polymethylmethacrylate based molding compositions

C - Chemistry, Metallurgy

08

L

400/3057

C08L 33/10 (2006.01) C08K 3/22 (2006.01)

Patent

CA 1076736

Case 08-12-0326 APPLICATION FOR LETTERS PATENT FOR POLYMETHYLMETHACRYLATE BASED MOLDING COMPOSITIONS ABSTRACT OF THE DISCLOSURE Disclosed herein are polyblend molding compositions which comprise (A) a polymethylmethacrylate matrix polymer; (B) polychloroprene rubber which is grafted with methylmethacrylate; and (C) a metal oxide. Specimens molded from these polyblends have a UL-94 rating of at least V-1 and a smoke level of less than 300 Dm Flaming using the NBS smoke test. By: Gary L. Deets

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