公开(公告)号：US11332604B2

公开(公告)日：2022-05-17

申请号：US16635670

申请日：2018-08-03

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Ting Huang ,  Hongtao Shi ,  Yang Fu ,  Maria Soliman ,  Dong Wan

IPC: C08L23/12 ,  C08K3/013 ,  C08L23/08 ,  C08L23/16

Abstract: The invention relates to composition comprising (A) a propylene-based polymer, (B1) a first elastomer of ethylene and α-olefin comonomer having 4 to 10 carbon atoms, (B2) a second elastomer of ethylene and α-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/min measured in accordance with ASTM D1238 using a 2.16 kg weight and at a temperature of 190° C., wherein (B2) the second elastomer has a density of 0.850 to 0.890 g/cm3 and a melt flow index of 0.55 to 4 dg/min measured in accordance with ASTM D1238 using a 2.16 kg weight and at a temperature of 190° C., wherein the total amount of (B1) the first elastomer and (B2) the second 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：US20210122907A1

公开(公告)日：2021-04-29

申请号：US16635670

申请日：2018-08-03

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Ting Huang ,  Hongtao Shi ,  Yang Fu ,  Maria Soliman ,  Dong Wan

IPC: C08L23/12 ,  C08L23/16 ,  C08L23/08 ,  C08K3/013

Abstract: The invention relates to composition comprising (A) a propylene-based polymer, (B1) a first elastomer of ethylene and α-olefin comonomer having 4 to 10 carbon atoms, (B2) a second elastomer of ethylene and α-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/min measured in accordance with ASTM D1238 using a 2.16 kg weight and at a temperature of 190° C., wherein (B2) the second elastomer has a density of 0.850 to 0.890 g/cm3 and a melt flow index of 0.55 to 4 dg/min measured in accordance with ASTM D1238 using a 2.16 kg weight and at a temperature of 190° C., wherein the total amount of (B1) the first elastomer and (B2) the second 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.