公开(公告)号：US07365112B2

公开(公告)日：2008-04-29

申请号：US10809519

申请日：2004-03-26

申请人： Fumihiro Shiraishi ,  Norikazu Otoyama ,  Daisuke Nohara

发明人： Fumihiro Shiraishi ,  Norikazu Otoyama ,  Daisuke Nohara

IPC分类号： C08K5/15

CPC分类号： C08K5/1535 ,  C08K5/06 ,  C08K5/1545 ,  C08L21/00

摘要： A rubber composition comprises 0.1-10 parts by mass of at least one of non-ionic surfactants having a special structure based on 100 parts by mass of at least one rubber component selected from natural rubber and synthetic diene rubbers.

摘要翻译： 橡胶组合物包含0.1-10质量份基于100质量份至少一种选自天然橡胶和合成二烯橡胶的橡胶组分的具有特殊结构的至少一种非离子表面活性剂。

公开(公告)号：US20060167160A1

公开(公告)日：2006-07-27

申请号：US10518629

申请日：2003-06-19

申请人： Ryuji Nakagawa ,  Norikazu Otoyama ,  Daisuke Nohara

发明人： Ryuji Nakagawa ,  Norikazu Otoyama ,  Daisuke Nohara

IPC分类号： C08K3/34

CPC分类号： C08L15/00 ,  B60C1/0016 ,  C08C19/02 ,  C08L9/06 ,  C08L15/005 ,  C08L101/00 ,  C08L2666/02 ,  C08L2666/08

摘要： A rubber composition for tires which comprises 100 parts by mass of (A) copolymer (a) which is a styrene-butadiene copolymer having a weight-average molecular weight of 4.0×105 to 3.0×106; as obtained in accordance with gel permeation chromatography and expressed as the value of corresponding polystyrene, a content of the bound styrene St(a) of 10 to 50% by mass and a content of the vinyl unit in the butadiene portion of 20 to 70%; 10 to 200 parts by mass of (B) copolymer (b) which is a hydrogenated styrene-butadiene copolymer having a weight-average molecular weight of 5.0×103 to 2.0×105, as obtained in accordance with gel permeation chromatography and expressed as the value of corresponding polystyrene, a content of the bound styrene St(b) which is in the range of 25 to 70% by mass and satisfies a relation expressed by equation (I) and a fraction of hydrogenated double bond in the butadiene portion of 60% or greater and (C) at least one substance selected from resins providing tackiness to the rubber composition and liquid polymers having a weight-average molecular weight of 1,000 to 50,000. St(b)≧St(a)+10   (I)

摘要翻译： 一种轮胎用橡胶组合物，其包含100质量份的（A）共聚物（a），其是重均分子量为4.0×10 5〜3.0×10 6的苯乙烯 - 丁二烯共聚物， 6 ; 根据凝胶渗透色谱法获得，并表示为相应的聚苯乙烯的值，结合苯乙烯St（a）的含量为10〜50质量％，丁二烯部分中乙烯基单元的含量为20〜70％ ; 10重量份的（B）共聚物（b）为重量平均分子量为5.0×10 3〜2.0×10 5的氢化苯乙烯 - 丁二烯共聚物10〜200质量份 >，根据凝胶渗透色谱法得到，表示为相应的聚苯乙烯的值，结合苯乙烯St（b）的含量在25〜70质量％的范围内，满足由式（I ），丁二烯部分中的氢化双键的一部分为60％以上，（C）选自对橡胶组合物提供粘合性的树脂和重均分子量为1,000〜50,000的液态聚合物中的至少一种物质。 <？in-line-formula description =“In-line formula”end =“lead”？> St（b）> = St（a）+10（I）<？in-line-formula description =“In-line 公式“end =”tail“？>