| 摘要 |
T 4763 POLYKETONE POLYMER BLENDS COMPRISING A LINEAR ALTERNATING POLYMER OF CARBON MONOXIDE AND ETHYLENICALLY UNSATURATED COMPOUNDS A polymer blend composition comprising: (1) a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated compound; (2) a toughened polymer blend including: (A) a graft rubber composition comprising a substrate rubber having a glass transition temperature below 0.degree.C and monomers comprising a vinyl aromatic monomer and one or more polar monomers selected from the group consisting of C1 to C4 alkyl acrylates, C1 to C4 alkyl methacrylates, methacrylonitrile and acrylonitrile, said monomers having been polymerized in the presence of and grafted on to the substrate rubber; (B) a polyamide; (C) a carboxylic acid containing ethylene/alkyl acrylate copolymer rubber having a glass transition temperature below 20.degree.C. CS9/T4763FF
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