知搜-全球专利检索

  1. Login
  2. Sign Up
Invention Publication
CN110770292A 包含异相丙烯共聚物的组合物 有权

包含异相丙烯共聚物的组合物
Abstract:
本发明涉及组合物，其包含(A)基于丙烯的聚合物，(B1)乙烯和具有4至10个碳原子的α-烯烃共聚单体的第一弹性体，(B2)乙烯和具有4至10个碳原子的α-烯烃共聚单体的第二弹性体和(C)无机填料，其中(B1)所述第一弹性体具有0.850至0.890g/cm3的密度和根据ASTM D1238使用2.16kg重量且在190℃的温度测量的5至50dg/min的熔体流动指数，其中(B2)所述第二弹性体具有0.850至0.890g/cm3的密度和根据ASTM D1238使用2.16kg重量且在190℃的温度测量的0.55至4dg/min的熔体流动指数，其中(B1)所述第一弹性体和(B2)所述第二弹性体的总量为基于总组合物计2至30重量％，其中(C)所述无机填料的量为基于总组合物计0.1至30重量％。
Abstract(English):

The invention relates to composition comprising (A) a propylene-based polymer, (B1) a first elastomer of ethylene and alpha-olefin comonomer having 4 to 10 carbon atoms, (B2) a second elastomer of ethylene and alpha-olefin comonomer having 4 to 10 carbon atoms and (C) an inorganic filler, wherein (B1) the first elastomer has a density of 0.850 to 0.890 g/cm3 and a melt flow index of 5 to 50 dg/minmeasured in accordance with ASTM D1238 using a 2.16 kg weight and at a temperature of 190 DEG C, wherein (B2) the second elastomer has a density of 0.850 to 0.890 g/cm3 and a melt flow index of 0.55to 4 dg/min measured in accordance with ASTM D1238 using a 2.16 kg weight and at a temperature of 190 DEG C, wherein the total amount of (B1) the first elastomer and (B2) the second elastomer is 2 to30 wt% based on the total composition, wherein the amount of (C) the inorganic filler is 0.1 to 30 wt% based on the total composition.

Public/Granted literature
Patent Agency Ranking
0/0