| 摘要 |
PURPOSE:To provide the title compsn. having excellent weather resistance, by blending a block copolymer of propylene with an alpha-olefin. CONSTITUTION:100pts.wt. block copolymer (A) of a major proportion of propylene (a) with a minor proportion of an alpha-olefin (b) (e.g., ethylene) is blended with 0.03-15pts.wt., pref. 0.05-10pts.wt. compd. (B) of formula I (wherein lis 1-4; m is 0-1; n is 0-2; and R is a 2-40C alkyl, or a cycloalkyl) (e.g., a compd. of formula II) and optionally, an ultraviolet absorber, a light stabilizer, an antioxidant, a clarifier, a nucleating agent, a pigment, etc. (C).
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