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：US11814505B2

公开(公告)日：2023-11-14

申请号：US16961822

申请日：2019-01-15

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Dongbo Xing ,  Hongtao Shi ,  Kai Guo ,  Xiqiang Liu ,  Dong Wan ,  Maria Soliman

IPC: B32B1/08 ,  C08L23/14 ,  C08L23/06

CPC classification number: C08L23/14 ,  C08L23/06 ,  C08L2203/18 ,  C08L2207/062 ,  C08L2207/066

Abstract: A pipe- or tube-shaped article having an innermost layer, wherein the innermost layer has a thickness of 0.001 to 100 mm and comprises a polyolefin composition comprising a) a propylene-ethylene copolymer, wherein the amount of repeat units derived from ethylene is 1 to 20 wt % based on the weight of the propylene-ethylene copolymer and wherein the propylene-ethylene copolymer has a density of at most 0.9 g/cm3 as determined by ASTM D1505 and b) an olefin polymer selected from high-density polyethylene (HDPE), linear low density polyethylene (LLDPE), polypropylene (PP) and combinations thereof.

公开(公告)号：US20210122906A1

公开(公告)日：2021-04-29

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: C08L23/12

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.