公开(公告)号：US20040132889A1

公开(公告)日：2004-07-08

申请号：US10694724

申请日：2003-10-29

Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED

Inventor： Kenichi Ohkawa ,  Moriyasu Shimojo

IPC: C08K003/34

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

Abstract: Disclosed is a thermoplastic resin composition comprising specific amounts of (A) a polypropylene resin, (B) an elastomer, (C) inorganic filler, (D) a resin having a melt tension of 0.1 N or more and a swelling ratio of 1.8 or more and being characterized by that the time required for the resin until the ratio (G(t)/G(0.02)) of a relaxation modulus G(t) measured at 210null C. to a relaxation modulus G(0.02) at a time of 0.02 sec reaches 0.01 is 10 sec or more, and (E) a resin characterized by that, with respect to a swelling ratio measured at 220null C. at an L/D of an orifice of 40, the ratio of a swelling ratio (SR103) at a shear rate of 2.4null103 secnull1 to a swelling ratio. (SR102) at a shear rate of 1.2null102 secnull1, SR103/SR102, is from 1.0 to 1.1.

Abstract translation: 公开了一种热塑性树脂组合物，其包含特定量的（A）聚丙烯树脂，（B）弹性体，（C）无机填料，（D）熔体张力为0.1N以上，溶胀比为1.8的树脂， 其特征在于，在210℃下测量的松弛模量G（t）与在a的弛豫模量G（0.02）的比例（G（t）/ G（0.02）），树脂所需的时间 0.02秒的时间达到0.01秒是10秒以上，（E）树脂的特征在于，对于在孔40的L / D下在220℃下测量的溶胀比， （SR10 3）在2.4×10 3秒-1的剪切速率下达到溶胀比。 （SR10 2）在1.2×10 -2秒-1的剪切速率下，SR10 3 / SR10 2为1.0-1.1。

公开(公告)号：US20030060553A1

公开(公告)日：2003-03-27

申请号：US10231336

申请日：2002-08-30

Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED

Inventor： Kenichi Ohkawa ,  Moriyasu Shimojo ,  Isao Takashima

IPC: C08K003/30

CPC classification number: C08L23/10 ,  C08K3/34 ,  C08K7/04 ,  C08K9/04 ,  C08L23/14 ,  C08L53/00 ,  C08L91/06 ,  C08L2666/04

Abstract: Disclosed is a polypropylene resin composition comprising (A) from 40 to 98% by weight of polypropylene resin, (B) from 1 to 30% by weight of basic magnesium sulfate fiber having a surface treated with montan wax wherein fibers contained in primary fibers have an average fiber length of from 7 to 10 nullm and the percentage of primary fibers containing fibers having a fiber length of 20 nullm or more is 10% by weight or less and (C) from 1 to 30% by weight of talc, provided that the total weight of the components (A), (B) and (C) is adjusted to 100% by weight.

Abstract translation: 公开了一种聚丙烯树脂组合物，其包含（A）40至98重量％的聚丙烯树脂，（B）1至30重量％的具有用褐煤蜡处理的表面的碱式硫酸镁纤维，其中初级纤维中含有的纤维具有 平均纤维长度为7〜10μm，纤维长度为20μm以上的含纤维原纤维的比例为10重量％以下，（C）1〜30重量％的滑石粉，只要 将组分（A），（B）和（C）的总重量调节至100重量％。

公开(公告)号：US20030100664A1

公开(公告)日：2003-05-29

申请号：US10277203

申请日：2002-10-22

Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED

Inventor： Kenichi Okawa ,  Moriyasu Shimojo

IPC: C08L001/00

CPC classification number: C08L23/10 ,  C08L23/16 ,  C08L2205/02 ,  C08L2666/04

Abstract: Disclosed is a thermoplastic resin composition comprising (A) 35 to 85% by weight of a polypropylene resin, (B) 10 to 35% by weight of an elastomer, (C) 2 to 30% by weight of an inorganic filler and (D) 5 to 15% by weight of a resin, wherein the resin (D) has a melt tension (MT), measured at a winding speed of 15.7 m/min, of not less than 0.03 N and less than 0.1 N and a swelling ratio (SR), measured at 220null C., an L/D of an orifice of 40 and a shear rate of 1.2null103 secnull1, of 1.8 or more, and the time required for the resin (D) until the ratio (G(t)/G(0.02)) of the relaxation elastic modulus G(t) measured at 210null C. to the relaxation elastic modulus G(0.02) in a time of 0.02 second reaches 0.01 is not less than 5 seconds and less than 10 seconds.

Abstract translation: 公开了一种热塑性树脂组合物，其包含（A）35至85重量％的聚丙烯树脂，（B）10至35重量％的弹性体，（C）2至30重量％的无机填料和（D ）5〜15重量％的树脂，其中树脂（D）具有以不小于0.03N且小于0.1N的卷绕速度测量的熔体张力（MT）为15.7m / min，并且溶胀 比例（SR），在220℃下测量，孔的L / D为40，剪切速率为1.2×10 3 sec -1为1.8以上，树脂（D）所需的时间直到比例 在0.02秒时测得的弛豫弹性模量G（t）与0.02秒时的弛豫弹性模量G（0.02）的摩擦弹性模量G（t）的差异（G（t）/ G（0.02））为0.01以上，为5秒以上， 少于10秒。

公开(公告)号：US20020035209A1

公开(公告)日：2002-03-21

申请号：US09891455

申请日：2001-06-27

Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED

Inventor： Susumu Kanzaki ,  Moriyasu Shimojo ,  Mitsuji Tsuji

IPC: C08L023/00

CPC classification number: C08L23/12 ,  C08F110/06 ,  C08F210/06 ,  C08F297/083 ,  C08L23/10 ,  C08L23/14 ,  C08L53/00 ,  C08L2205/02 ,  C08L2205/03 ,  C08L2205/035 ,  C08L2666/24 ,  C08L2666/06 ,  C08L2666/02 ,  C08L2666/04 ,  C08F2500/17 ,  C08F2500/12 ,  C08F210/16

Abstract: A polypropylene resin composition comprising: 95 to 80% by weight of a polypropylene resin (A) consisting of a propylene-ethylene block copolymer (i) composed of a propylene homopolymer portion having an intrinsic viscosity nullnullnullAP of not more than 1.3 dl/g, and a propylene-ethylene random copolymer portion having an intrinsic viscosity nullnullnullAEP of not more than 3.0 dl/g, or a mixture (ii) of the propylene-ethylene block copolymer (i) and a propylene homopolymer; and 5 to 20 by weight of a propylene-ethylene block copolymer (B) having a propylene-ethylene random copolymer portion having an intrinsic viscosity nullnullnullBEP of from 8.0 to 15 dl/g, wherein the polypropylene resin composition has a melt flow rate (MFR) of from 5.0 to 150 g/10 min. and the sum of the (A) and (B) is 100% by weight.

Abstract translation: 一种聚丙烯树脂组合物，其包含：95〜80重量％的由丙烯 - 乙烯嵌段共聚物（i）组成的聚丙烯树脂（A），所述丙烯 - 乙烯嵌段共聚物（i）由特性粘度ηAP不大于1.3dl 特性粘度ηAEP不大于3.0dl / g的丙烯 - 乙烯无规共聚物部分或丙烯 - 乙烯嵌段共聚物（i）和丙烯均聚物的混合物（ⅱ）; 和5至20重量份具有丙烯 - 乙烯无规共聚物部分的丙烯 - 乙烯嵌段共聚物（B），其特性粘度ηEP为8.0-15dl / g，其中聚丙烯树脂组合物具有熔体流动性 速率（MFR）为5.0〜150g / 10分钟。 （A）和（B）的总和为100重量％。