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    • 29. 发明申请
    • POLYOLEFIN COMPOSITION AND ARTICLE MOLDED THEREFROM
    • 聚烯烃组合物及其制品
    • WO1997010299A1
    • 1997-03-20
    • PCT/JP1996002641
    • 1996-09-13
    • MITSUI PETROCHEMICAL INDUSTRIES, LTD.MATSUNAGA, Shin-yaWAKUMOTO, Hiroshi
    • MITSUI PETROCHEMICAL INDUSTRIES, LTD.
    • C08L23/10
    • C08L23/12B29C49/00C08L23/0815C08L23/10C08L23/14C08L23/142C08L53/00C08L2205/02C08L2666/04
    • A polyolefin composition which comprises 45 to 90 parts by weight of a propylene polymer (A) having a [ eta ] value of 0.5 to 10 dl/g and a Tm value of 100 DEG C or above and comprising 100 to 80 mole % of propylene units, 0 to 10 mole % of ethylene units and 0 to 15 mole % of C4-C12 alpha -olefin units, and 5 to 40 parts by weight of an ethylene- alpha -olefin copolymer (B) having a [ eta ] value of 0.5 to 10 dl/g and comprising 70 to 95 mole % of ethylene units and 5 to 30 mole % of C4-C12 alpha -olefin units, and 2 to 25 parts by weight of a propylene- alpha -olefin-ethylene terpolymer (C) having a [ eta ] value of 0.5 to 10 dl/g and comprising 40 to 77 mole % of propylene units, 20 to 40 mole % of C4-C12 alpha -olefin units and 2 to 20 mole % of ethylene units (with the total amount of the components (A, B and C) being 100 parts by weight) and which is excellent in flexibility, transparency, mechanical strengths and heat resistance.
    • 一种聚烯烃组合物,其包含45至90重量份的η值为0.5至10dl / g和Tm值为100℃或更高的丙烯聚合物(A),并且包含100至80摩尔%的丙烯 单元,0至10摩尔%的乙烯单元和0至15摩尔%的C 4 -C 12α-烯烃单元,以及5至40重量份的乙烯-α-烯烃共聚物(B),其η值为 0.5至10dl / g,包含70至95摩尔%的乙烯单元和5至30摩尔%的C 4 -C 12α-烯烃单元,以及2至25重量份的丙烯-α-烯烃 - 乙烯三元共聚物(C ),η值为0.5-10dl / g并且包含40-37摩尔%的丙烯单元,20-40摩尔%的C 4 -C 12α-烯烃单元和2-20摩尔%的乙烯单元(与 组分(A,B和C)的总量为100重量份),其柔软性,透明性,机械强度和耐热性优异。