公开(公告)号：US20030114596A1

公开(公告)日：2003-06-19

申请号：US10242463

申请日：2002-09-13

Applicant: Sumitomo Chemical Company, Limited

Inventor： Katsunari Inagaki ,  Tadaaki Nishiyama

IPC: C08F210/14 ,  C08L023/04

CPC classification number: C09K3/10 ,  C08L23/02 ,  C08L23/04 ,  C08L23/08 ,  C08L23/0815 ,  C08L23/0853 ,  C08L23/0869 ,  C09K2200/0617 ,  C09K2200/062 ,  C09K2200/0622 ,  C09K2200/0625 ,  C08L2666/04

Abstract: A thermoplastic elastomer composition comprising 5 to 95 wt % of the following (A) and 5 to 95 wt % of the following (B), wherein the flowability index I according to a test for flow properties with a capillary rheometer is 1.35 or more: (A) an ethylene-null-olefin copolymer having a tensile stress M100 measured according to JIS-K-6251 of 2.5 MPa or less, (B) a polyolefin-based resin having a tensile stress M100 measured according to JIS-K-6251 of 2.5 MPa or more.

Abstract translation: 一种热塑性弹性体组合物，其包含5至95重量％的以下（A）和5至95重量％的以下（B），其中根据毛细管流变仪的流动性试验的流动指数I为1.35以上： （A）根据JIS-K-6251测定的拉伸应力M100为2.5MPa以下的乙烯-α-烯烃共聚物，（B）根据JIS-K-6251测定的拉伸应力M100的聚烯烃系树脂 为2.5MPa以上。

公开(公告)号：US20020120065A1

公开(公告)日：2002-08-29

申请号：US09993636

申请日：2001-11-27

Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED

Inventor： Hirofumi Johoji ,  Hidetake Hozumi ,  Tadaaki Nishiyama

IPC: C08L023/00

CPC classification number: C08L23/14 ,  C08L23/10 ,  C08L2205/02 ,  Y10T428/31855 ,  C08L2666/04

Abstract: There is provided an olefin polymer having an elastic recovery of from 70 to 100% defined by the following formula (1), Elastic recovery nullstress-residual deformation recovery null100/stretch deformationnullnull(1) wherein the stress-residual deformation recovery and the stretch deformation are obtained from a 100% strain hysteresis curve of a resin composition comprising 70 parts by weight of the olefin polymer and 30 parts by weight of one specific propylene-ethylene copolymer resin, provided that at least one resin composition satisfies the above-defined value of elastic recovery.

Abstract translation: 提供了具有由下式（1）定义的70-100％的弹性回收率的烯烃聚合物，其中弹性回复=应力残余变形恢复率×100 / 拉伸变形（1）其中应力残余变形恢复和拉伸变形由包含70重量份烯烃聚合物的树脂组合物的100％应变滞后曲线获得，并且30重量份 一种特定的丙烯 - 乙烯共聚物树脂的重量，条件是至少一种树脂组合物满足上述弹性回复值。

公开(公告)号：US20020055592A1

公开(公告)日：2002-05-09

申请号：US09915560

申请日：2001-07-27

Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED

Inventor： Hirofumi Johoji ,  Hidetake Hozumi ,  Tadaaki Nishiyama

IPC: C08L023/00

CPC classification number: C08L23/0815 ,  C08L23/10 ,  C08L53/00 ,  C08L2314/06 ,  C08L2666/04 ,  C08L2666/24

Abstract: There is disclosed a thermoplastic resin composition comprising: (A) 5 to 95% by weight of a thermoplastic resin having a melt flow rate of from 0.001 to 100 g/10 min. and a die swell ratio of not less than 1.7, and (B) 95 to 5% by weight of an olefin polymer satisfying the following formula (1), Uanull1.5nullSanull(Ta/100)3.3nullnull(1) wherein (i) Ua is a flexural modulus of a resin opposition for evaluation composed of 50 parts by weight of said olefin polymer and 50 parts by weight of a specific homopolypropylene resin, (ii) Sa is a flexural modulus of said homopolypropylene resin, and (iii) Ta is a containing ratio of said homopolypropylene resin in the resin composition for evaluation, provided that the sum of the component (A) and the component (B) is 100% by weight.

Abstract translation: 公开了一种热塑性树脂组合物，其包含：（A）5至95重量％的熔体流动速率为0.001至100g / 10分钟的热塑性树脂。 和不小于1.7的模头膨胀比，和（B）95至5重量％的满足下式（1）的烯烃聚合物，<段落lvl =“0”>在线配方> Ua < = 1.5xSax（Ta / 100）3.3（1）其中（i）Ua是由50重量份所述烯烃聚合物和50重量份组成的用于评价的树脂反应性的挠曲模量 （ii）Sa是所述均聚丙烯树脂的挠曲模量，（iii）Ta是所述均聚丙烯树脂在用于评价的树脂组合物中的含量比，条件是组分（A）和 组分（B）为100重量％。