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公开(公告)号:US07585917B2
公开(公告)日:2009-09-08
申请号:US11442932
申请日:2006-05-30
Applicant: Sudhin Datta , Michael Glenn Williams , Narayanaswami Raja Dharmarajan , Vetkav Rajagopalan Eswaran , Rui Zhao
Inventor: Sudhin Datta , Michael Glenn Williams , Narayanaswami Raja Dharmarajan , Vetkav Rajagopalan Eswaran , Rui Zhao
CPC classification number: C08L23/14 , C08L23/08 , C08L23/0815 , C08L23/10 , C08L23/12 , C08L23/142 , C08L23/16 , C08L101/00 , C08L2205/02 , C08L2205/03 , C08L2666/02 , C08L23/00 , C08L2666/06
Abstract: Described herein is a thermoplastic physical blend composition comprising (a) from 20 to 95 wt. % based on the total polymer content of a first polymer component that includes polypropylene having a melting point (Tm)≧110° C.; and (b) from 80 to 5 wt. % based on the total polymer content of a second polymer component that includes a reactor blend obtainable from a solution process, the reactor blend including: (i) from 2 to 98 wt. % based on the total weight of the SPC of a propylene polymer having 60 wt. % or more units derived from propylene, including isotactically arranged propylene derived sequences and Tm
Abstract translation: 本文描述的是热塑性物理共混组合物,其包含(a)20至95重量% 基于包含熔点(Tm)> = 110℃的聚丙烯的第一聚合物组分的总聚合物含量的%。 和(b)80至5wt。 基于包括可从溶液方法获得的反应器共混物的第二聚合物组分的总聚合物含量的%,所述反应器共混物包括:(i)2至98wt。 基于具有60重量%的丙烯聚合物的SPC的总重量的% 衍生自丙烯的%或更多单元,包括全同立构排列的丙烯衍生的序列,Tm <105℃或融合热<45J / g,或两者; 和(ii)98至2wt。 基于不具有来自乙烯的结晶度或结晶度的乙烯α-烯烃弹性体的SPC的总重量的%,其中(c)将FPC和SPC物理混合在一起形成组合物。