Compositions of interpolymers of alpha-olefin monomers with one or more vinyl or vinylidene aromatic monomers and/or one or more hindered aliphatic or cycloaliphatic vinyl or vinylidene monomers blended with a conductive additive
申请人:——
公开号:US20020132905A1
公开(公告)日:2002-09-19
A blend of polymeric materials comprising
(A) of from about 1 to about 99.99 weight percent based on the combined weights of Components A, B and C of at least one substantially random interpolymer; and wherein said interpolymer;
(1) contains of from about 0.5 to about 65 mole percent of polymer units derived from;
(a) at least one vinyl or vinylidene aromatic monomer, or
(b) at least one hindered aliphatic or cycloaliphatic vinyl or vinylidene monomer, or
(c) a combination of at least one vinyl or vinylidene aromatic monomer and at least one hindered aliphatic or cycloaliphatic vinyl or vinylidene monomer;
(2) contains of from about 35 to about 99.5 mole percent of polymer units derived from at least one aliphatic &agr;-olefin having from 2 to 20 carbon atoms;
(3) has a molecular weight (Mn) greater than about 1,000;
(4) has a melt index (I
2
) of from about 0.01 to about 1,000;
(5) has a molecular weight distribution (M
w
/M
n
) of from about 1.5 to about 20; and
(B) of from about 99 to about 0.01 weight percent based on the combined weights of Components A, B, and C of one or more conductive additives and/or one or more additives with high magnetic permeability; and
(C) of from 0 to about 98.99 weight percent based on the combined weights of Components A, B, and C of one or more polymers other than A.
一种聚合材料混合物,包括(A)至少一种基于组分A、B和C的组合重量的约1至约99.99重量百分比的至少一种基本随机交联聚合物;其中,所述交联聚合物:(1) 包含约0.5至约65摩尔百分比的聚合物单元,其来源于:(a) 至少一种乙烯基或乙烯基苯单体,或(b) 至少一种受阻的脂肪族或环状脂肪族乙烯基或乙烯基苯单体,或(c) 至少一种乙烯基或乙烯基苯单体和至少一种受阻的脂肪族或环状脂肪族乙烯基或乙烯基苯单体的组合;(2) 包含约35至约99.5摩尔百分比的聚合物单元,其来源于至少一种具有2至20个碳原子的脂肪族α-烯烃;(3) 具有大于约1,000的分子量(Mn);(4) 具有约0.01至约1,000的熔融指数(I2);(5) 具有约1.5至约20的分子量分布(Mw/Mn);以及(B)基于组分A、B和C的组合重量的约99至约0.01重量百分比的一个或多个导电添加剂和/或一个或多个具有高磁导率的添加剂;以及(C)基于组分A、B和C的组合重量的约0至约98.99重量百分比的一个或多个A以外的聚合物。