| 摘要 |
<p>Case 08-12-0326 APPLICATION FOR LETTERS PATENT FOR POLYMETHYLMETHACRYLATE BASED MOLDING COMPOSITIONS 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</p> |
