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    • 13. 发明授权
    • Elastomeric polypropylene
    • 弹性聚丙烯
    • US06635733B2
    • 2003-10-21
    • US09850152
    • 2001-05-08
    • Tsuyoshi YahataMasato NakanoYoshiyuki OhgiTsutomu Ushioda
    • Tsuyoshi YahataMasato NakanoYoshiyuki OhgiTsutomu Ushioda
    • C08F21006
    • C08F110/06C08F4/65912C08F10/00Y10S526/943C08F4/65925C08F2500/15C08F2500/12C08F2500/03C08F2500/21
    • An elastomeric polypropylene wherein (a) an isotactic pentad (I5) is 0.150-0.749, (b) a different bond due to a 2,1-insertion reaction is 0.11-20 mol %, (c) a different bond due to a 1,3-insertion reaction is 0-10 mol % and (d) a melting point (Tm) is 50-160° C., (a) to (c) being determined from 13C NMR spectra, which is obtainable by the polymerization of propylene using any one of a metallocene catalyst (I) comprising a metallocene compound (A), an activating compound (B) and if desired, an organoaluminum compound (C), a supported metallocene catalyst (II) prepared by supporting the metallocene catalyst (I) on a finely particulate support (D), and a supported metallocene catalyst (III) prepared by adding an organoaluminum compound (E) to the supported metallocene catalyst (II). In particular, it has excellent transparency and elastic characteristics.
    • 一种弹性体聚丙烯,其中(a)全同立构五单元组(I5)为0.150-0.749,(b)由于2,1-插入反应引起的不同键为0.11-20摩尔%,(c)由于1 ,3-插入反应为0-10摩尔%,(d)熔点(Tm)为50-160℃,(a)至(c)由13 C NMR谱确定,可通过 使用包含茂金属化合物(A)的茂金属催化剂(I),活化化合物(B)和如果需要的话,使用有机铝化合物(C),负载金属茂催化剂(II) 在精细颗粒载体(D)上的金属茂催化剂(I)和通过将有机铝化合物(E)加入到负载的茂金属催化剂(II)中制备的负载金属茂催化剂(III)。 特别是具有优异的透明性和弹性特性。