公开(公告)号：US11072698B2

公开(公告)日：2021-07-27

申请号：US16635666

申请日：2018-08-02

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Ting Huang ,  Kai Guo ,  Yang Fu ,  Ji Zhou ,  Dake Shen ,  Maria Soliman

IPC: C08L23/08 ,  C08L23/16 ,  C08F210/14 ,  C08F210/16 ,  C08L23/12 ,  C08F210/02

Abstract: The invention relates to a composition comprising (A) a propylene-based polymer, (B) an elastomer of ethylene and α-olefin comonomer having 4 to 10 carbon atoms and (C) an inorganic filler, wherein (A) the propylene-based polymer has a melt flow index of 60 to 150 dg/min measured according to ASTM D1238 (2.16 kg/230° C.) and wherein (B) the elastomer has a density of 0.840 to 0.865 g/cm3, wherein (B) the elastomer has a melt flow index of 3 to 13 dg/min measured in accordance with ASTM D1238 using a 2.16 kg weight and at a temperature of 190° C., wherein the amount of (B) the elastomer is 2 to 30 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.

公开(公告)号：US10995206B2

公开(公告)日：2021-05-04

申请号：US15751513

申请日：2016-07-14

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Marc Herklots ,  Yang Fu ,  Ting Huang

IPC: C08L23/16 ,  C08L23/12 ,  C08L23/08

Abstract: The invention relates to a composition comprising (A) a heterophasic propylene copolymer and (B) an elastomer of ethylene and α-olefin comonomer having 4 to 8 carbon atoms, wherein the heterophasic propylene copolymer consists of (a) a propylene-based matrix, wherein the propylene-based matrix consists of a propylene homopolymer and/or a propylene copolymer consisting of at least 70 wt % of propylene and at most 30 wt % of ethylene or an α-olefin having 4-10 carbon atoms, based on the total weight of the propylene-based matrix and wherein the propylene-based matrix is present in an amount of 60 to 95 wt % based on the total heterophasic propylene copolymer and wherein the propylene-based matrix has a melt flow index of at least 0.1 dg/min and at most 45 dg/min, measured according to ISO1133 (2.16 kg/230° C.) and (b) a dispersed ethylene-α-olefin copolymer, wherein the dispersed ethylene-α-olefin copolymer is an ethylene-propylene copolymer, wherein the ethylene-α olefin copolymer is present in an amount of 40 to 5 wt % based on the total heterophasic propylene copolymer and wherein the sum of the total amount of propylene-based matrix and total amount of dispersed ethylene-α-olefin copolymer is 100 wt %, wherein the amount of ethylene in the ethylene-α-olefin copolymer of the heterophasic propylene copolymer is from 10 up to and including 45 wt % (RCC2) (B) an elastomer of ethylene and α-olefin comonomer having 4 to 8 carbon atoms wherein the elastomer has a density in the range from 0.88 up to and including 0.907 g/cm3.