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    • 5. 发明申请
    • RANDOM PROPYLENE COPOLYMER WITH HIGH COMONOMER CONTENT
    • 具有高音质内容的随机丙烯共聚物
    • US20100256318A1
    • 2010-10-07
    • US12734730
    • 2008-11-26
    • Peter DeniflTimo LeinonenAnssi HaikarainenTorvald Vestberg
    • Peter DeniflTimo LeinonenAnssi HaikarainenTorvald Vestberg
    • C08F210/06
    • C08F210/06C08F2/001C08F210/16C08F2500/12
    • The present invention relates to a propylene random copolymer, comprising comonomers selected from the group consisting of ethylene, C4 to C20 alpha-olefins, and any combination thereof, wherein the propylene random copolymer (a) has a comonomer content of at least 3.5 wt.-%, based on the weight of the propylene random copolymer, (b) has a randomness of at least 30%, and (c) is prepared in the presence of a catalyst system comprising solid catalyst particles, wherein the solid catalyst particles (c1) have a specific surface area of less than 20 m2/g, (c2) comprise a transition metal compound which is selected from one of the groups 4 to 10 of the periodic table or a compound of actinide or lanthanide, (c3) comprise a metal compound which is selected from one of the groups 1 to 3 of the periodic table, and (c4) comprise inclusions not having catalytically active sites.
    • 本发明涉及丙烯无规共聚物,其包含选自乙烯,C 4至C 20α-烯烃以及它们的任何组合的共聚单体,其中丙烯无规共聚物(a)的共聚单体含量为至少3.5wt。 - %,基于丙烯无规共聚物的重量,(b)具有至少30%的随机性,和(c)在包含固体催化剂颗粒的催化剂体系的存在下制备,其中固体催化剂颗粒(c1 )具有小于20m 2 / g的比表面积,(c2)包含选自周期表第4至10族之一的过渡金属化合物或锕系元素或镧系元素的化合物,(c3)包含 金属化合物,其选自元素周期表第1至3族之一,(c4)包含不具有催化活性位点的夹杂物。