| 摘要 |
PURPOSE:The titled composition, containing an ethylene-alpha-olefin-nonconjugated diene copolymeric rubber and a matrix resin consisting of an aromatic vinyl compound, etc., and having a specific swelling degree of gels in the composition and improved weather and impact resistance and appearance of molded articles. CONSTITUTION:A composition obtained by grafting a monomeric mixture containing an aromatic vinyl compound, e.g. styrene, or the aromatic vinyl compound and a vinyl cyanide compoun, e.g. acrylonitrile, as a matrix resin component in the presence of an ethylene-alpha-olefin-nonconjugated diene copolymeric rubber, and adjusting the polymerization temperature, kind of a polymerization catalyst, etc. to give 0.4-1.5 swelling degree of components therein insoluble in methyl ethyl ketone in n-hexane. |
