公开(公告)号：US20110146877A1

公开(公告)日：2011-06-23

申请号：US12921448

申请日：2009-03-10

申请人： Ken Tanaka ,  Noriko Mori ,  Yuki Itoh ,  Yoichi Ozawa ,  Ryuji Nakagawa ,  Junko Matsushita ,  Shigeaki Matsuo ,  Kouji Masaki ,  Fumihiro Shiraishi ,  Fuminori Oota

发明人： Ken Tanaka ,  Noriko Mori ,  Yuki Itoh ,  Yoichi Ozawa ,  Ryuji Nakagawa ,  Junko Matsushita ,  Shigeaki Matsuo ,  Kouji Masaki ,  Fumihiro Shiraishi ,  Fuminori Oota

IPC分类号： B60C15/04 ,  C08F8/00 ,  C08F8/18 ,  C08F8/42 ,  C08F8/32 ,  B60C9/02

CPC分类号： B60C1/00 ,  C08C19/00 ,  C08C19/22 ,  C08C19/25 ,  C08C19/44 ,  C08F8/42 ,  C08K3/013 ,  C08K3/04 ,  C08K3/36 ,  C08K5/0091 ,  C08K5/057 ,  C08K5/098 ,  C08K5/5415 ,  C08K5/544 ,  C08L7/00 ,  C08L9/00 ,  C08L15/00 ,  C08L21/00 ,  Y10T152/10846 ,  C08L2666/08

摘要： The invention provides a method for producing a modified conjugated diene (co)polymer, the method including comprising: a modification reaction step including causing an organic silane compound to react with a conjugated diene (co)polymer having an active site at the active site, the organic silane compound having a characteristic group for forming a silanol group through hydrolysis and, in the vicinity of the characteristic group, (i) a functional group which binds the organic silane compound to the conjugated diene (co)polymer via addition to or substitution at the active site and which promotes reaction between the silanol group and a reinforcing filler after the addition or substitution reaction, or (ii) a functional group which promotes reaction between the silanol group and a reinforcing filler, and a hydrolyzation step performed after the modification reaction step; a modified conjugated diene (co)polymer having, at a molecular end of the conjugated diene (co)polymer, a silanol group, and a functional group in the vicinity of the silanol group, the functional group accelerating reaction between the silanol group and the reinforcing filler; a rubber composition containing the (co)polymer and carbon black having specific characteristics; and a tire formed from the rubber composition.

摘要翻译： 本发明提供了一种制备改性共轭二烯（共）聚合物的方法，该方法包括：改性反应步骤，包括使有机硅烷化合物与活性位点具有活性位点的共轭二烯（共）聚合物反应， 具有通过水解形成硅烷醇基的特征基团的有机硅烷化合物，并且在该特征附近，（i）通过加成或取代将有机硅烷化合物与共轭二烯（共）聚合物结合的官能团 并且在加成或取代反应后促进硅烷醇基团与增强填料的反应，或（ii）促进硅烷醇基与增强填料反应的官能团，以及在改性后进行的水解步骤 反应步骤 在共轭二烯（共）聚合物的分子端具有硅烷醇基和硅烷醇基附近的官能团的改性共轭二烯（共）聚合物，硅烷醇基与硅烷醇基之间的官能团加速反应 增强填料; 含有具有特定特性的（共）聚合物和炭黑的橡胶组合物; 和由橡胶组合物形成的轮胎。

公开(公告)号：US07868081B2

公开(公告)日：2011-01-11

申请号：US11817593

申请日：2006-02-24

申请人： Noriko Mori ,  Kouji Masaki

发明人： Noriko Mori ,  Kouji Masaki

IPC分类号： C08K3/34 ,  C08J5/14

CPC分类号： C08L15/00 ,  B60C1/0016 ,  C08C19/44 ,  C08K3/013 ,  C08L9/06 ,  C08L21/00 ,  C08L2666/08

摘要： This invention relates to a rubber composition having excellent workability, fracture characteristics and wear resistance and a low heat buildup and a high storage modulus (G′), and more particularly to a rubber composition comprising not less than 20 parts by mass of a reinforcing filler (B) and 5 to 60 parts by mass of a low-molecular weight aromatic vinyl compound-conjugated diene compound copolymer (C) having an aromatic vinyl compound content of 5 to 80% by mass, a vinyl bond content in a conjugated diene compound portion of 10 to 80% by mass and a weight average molecular weight as measured with a gel permeation chromatography and converted to polystyrene of 5,000 to 300,000 based on 100 parts by mass of a rubber component (A) containing not less than 10% by mass of a modified conjugated diene-based polymer having at least one functional group.

摘要翻译： 本发明涉及具有优异的加工性，断裂特性和耐磨性，低发热性和高储能模量（G'）的橡胶组合物，更具体地说，涉及一种橡胶组合物，其包含不少于20质量份的增强填料 （B）和5〜60质量份的芳族乙烯基化合物含量为5〜80质量％的低分子量芳族乙烯基化合物 - 共轭二烯化合物共聚物（C），共轭二烯化合物中的乙烯基键含量 10质量％至80质量％的重量平均分子量和用凝胶渗透色谱测量的重均分子量，并且基于100质量份含有不少于10质量％的橡胶组分（A），其转化为聚苯乙烯为5,000至300,000 的具有至少一个官能团的改性共轭二烯类聚合物。