公开(公告)号：WO2009086477A3

公开(公告)日：2009-09-24

申请号：PCT/US2008088366

申请日：2008-12-26

Applicant: BRIDGESTONE CORP ,  LUO STEVEN ,  OZAWA YOICHI ,  POULTON JASON ,  BRUMBAUGH DENNIS R ,  HAYES MICHAEL W

Inventor： LUO STEVEN ,  OZAWA YOICHI ,  POULTON JASON ,  BRUMBAUGH DENNIS R ,  HAYES MICHAEL W

IPC: C08F8/10 ,  C08F8/30 ,  C08F279/02 ,  C08K7/16 ,  C08L55/02

CPC classification number: C08F8/42 ,  C08C19/44 ,  C08F8/30 ,  C08K3/04 ,  C08L9/00 ,  C08L15/00 ,  C08L2666/08

Abstract: A functionalized polymer includes a polymer chain and a terminal functionality that includes at least one disilylamino group. The polymer can be the reaction product of a terminally active polymer chain and a compound that includes at least one disilylamino group and a group capable of reacting with terminally active polymers. Methods for making and using such polymers also are provided, as are compositions containing the polymer and one or more types of filler particles as well as vulcanizates provided from such compositions.

Abstract translation: 官能化聚合物包括聚合物链和包括至少一个二甲硅烷基氨基的末端官能团。 聚合物可以是末端活性聚合物链和包含至少一个二甲硅烷基氨基和能够与末端活性聚合物反应的基团的化合物的反应产物。 还提供了制备和使用这些聚合物的方法，以及含有聚合物和一种或多种类型的填料颗粒的组合物以及由这些组合物提供的硫化橡胶。

公开(公告)号：WO2008156788A2

公开(公告)日：2008-12-24

申请号：PCT/US2008007601

申请日：2008-06-18

Applicant: BRIDGESTONE CORP ,  HOGAN TERRENCE ,  LUO STEVEN ,  OZAWA YOICHI ,  MATSUSHITA JUNKO ,  NAKAGAWA RYUJI ,  TANAKA KEN ,  SUZUKI EIJU

Inventor： HOGAN TERRENCE ,  LUO STEVEN ,  OZAWA YOICHI ,  MATSUSHITA JUNKO ,  NAKAGAWA RYUJI ,  TANAKA KEN ,  SUZUKI EIJU

IPC: C08C19/44 ,  B60C1/00 ,  C08L19/00

CPC classification number: C08C19/44 ,  C08F8/42 ,  C08L15/00 ,  C08L19/006 ,  C08F297/04

Abstract: A method for preparing a functionalized polymer, the method comprising the steps of preparing a reactive polymer, and reacting the reactive polymer with a halosilane compound containing an amino group.

Abstract translation: 一种制备官能化聚合物的方法，该方法包括如下步骤：制备反应性聚合物，并使反应性聚合物与含有氨基的卤代硅烷化合物反应。

公开(公告)号：WO0069928A2

公开(公告)日：2000-11-23

申请号：PCT/US0014098

申请日：2000-05-19

Applicant: BRIDGESTONE CORP ,  MILLER H JERROLD ,  HAMADA TATSURO ,  OZAWA YOICHI ,  PAKDEL PEYMAN

Inventor： MILLER H JERROLD ,  HAMADA TATSURO ,  OZAWA YOICHI ,  PAKDEL PEYMAN

IPC: B60C1/00 ,  C08F4/54 ,  C08F4/602 ,  C08F36/06 ,  C08L9/00 ,  C08F136/00

CPC classification number: C08L9/00 ,  C08F36/06 ,  Y02T10/862 ,  C08F4/545 ,  C08L2666/08

Abstract: A process for polymerizing 1,3-butadiene into a low molecular weight high-cis polybutadiene is described using a catalyst system comprising: (a) a neodymium-containing compound, (b) an aluminoxane or a trialkyl aluminum compound, (c) an organoaluminum hydride, and (d) a halogen source. A blend of a high molecular weight high-cis polybutadiene and the low molecular weight high-cis polybutadiene is also disclosed for use in pneumatic tire treads. Desirably both the high and the low molecular weight polymers have high cis contents, with the low molecular weight polymer being at least 70 percent cis and the high molecular weight polymer being at least 92 percent cis. Desirably both polymers are made with a neodymium catalyst system. The blends provide a balance of properties including good snow traction, wet traction, and rolling resistance while providing a balance of good physical properties including tension at break, modulus etc.

Abstract translation: 使用催化剂体系描述了将1,3-丁二烯聚合成低分子量高顺式聚丁二烯的方法，该催化剂体系包含：（a）含钕化合物，（b）铝氧烷或三烷基铝化合物，（c） 有机铝氢化物，（d）卤素源。 还公开了高分子量高顺式聚丁二烯和低分子量高顺式聚丁二烯的共混物用于充气轮胎胎面。 高分子量聚合物和低分子量聚合物理想地具有高顺式含量，低分子量聚合物为顺式至少70％，高分子量聚合物为顺式至少92％。 理想地，两种聚合物都是用钕催化剂体系制成的。 混合物提供了平衡的性能，包括良好的积雪牵引力，湿牵引力和滚动阻力，同时提供良好的物理性能，包括断裂张力，模量等的平衡。

公开(公告)号：EP2231720A4

公开(公告)日：2011-06-22

申请号：EP08867443

申请日：2008-12-26

Applicant: BRIDGESTONE CORP

Inventor： LUO STEVEN ,  OZAWA YOICHI ,  POULTON JASON ,  BRUMBAUGH DENNIS R ,  HAYES MICHAEL W

IPC: C08C19/22 ,  C08C19/25 ,  C08F8/30 ,  C08F8/42

CPC classification number: C08F8/42 ,  C08C19/44 ,  C08F8/30 ,  C08K3/04 ,  C08L9/00 ,  C08L15/00 ,  C08L2666/08

公开(公告)号：EP2154163A4

公开(公告)日：2011-04-13

申请号：EP08752951

申请日：2008-05-19

Applicant: BRIDGESTONE CORP ,  RIKEN

Inventor： NAKAGAWA RYUJI ,  MATSUSHITA JUNKO ,  OZAWA YOICHI ,  KAITA SHOJIRO ,  TARDIF OLIVIER

IPC: C08F36/04 ,  B60C1/00 ,  C08F4/54 ,  C08L9/00

CPC classification number: C08L9/00 ,  B60C1/0016 ,  C08F36/04 ,  Y10S152/905 ,  Y10T152/10495 ,  C08F4/54

Abstract: This invention provides a polybutadiene capable of improving wear resistance and resistance to crack growth in a rubber composition and a tire, wherein values of e, f and g derived from the following determinant (I): 1.7455 0 - 0.0151 - 0.0454 0.4292 - 0.0129 - 0.007 0 0.3746 log 10 a / d log 10 a / b log 10 a / c = e f g (wherein a is a mountain peak value around 1130 cm -1 in a transmittance spectrum through Fourier transform infrared spectroscopy (FT-IR), and b is a valley peak value around 967 cm -1 , and c is a valley peak value around 911 cm -1 , and d is a valley peak value around 736 cm -1 ) satisfy relationships of equation (II): (Calculated value of cis-1,4 bond) = e/(e+f+g)x100 ‰¥ 99 and equation (III): Calculated value of vinyl bond = g / e + f + g �¢ x 100 ‰¤ 0.

公开(公告)号：EP2266819A4

公开(公告)日：2012-05-09

申请号：EP09719692

申请日：2009-03-10

Applicant: BRIDGESTONE CORP

Inventor： TANAKA KEN ,  MORI NORIKO ,  ITOH YUKI ,  OZAWA YOICHI ,  NAKAGAWA RYUJI ,  MATSUSHITA JUNKO ,  MATSUO SHIGEAKI ,  MASAKI KOUJI ,  SHIRAISHI FUMIHIRO ,  OOTA FUMINORI

IPC: B60C1/00 ,  B60C17/00 ,  C08C19/00 ,  C08C19/22 ,  C08C19/25 ,  C08C19/26 ,  C08C19/44 ,  C08F8/12 ,  C08F8/32 ,  C08F8/42 ,  C08K3/04 ,  C08L15/00 ,  C08L21/00

CPC classification number: B60C1/00 ,  C08C19/00 ,  C08C19/22 ,  C08C19/25 ,  C08C19/44 ,  C08F8/42 ,  C08K3/0033 ,  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

Abstract: 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.

Abstract translation: 本发明提供了一种用于生产的改性共轭用作（共）聚合物，该方法包括包含：改性反应工序包括使投放到有机硅烷化合物与具有活性部位的活性部位的共轭（共）聚合物反应， 具有特征基团通过水解生成硅烷醇基，并且在特性基团的附近的有机硅烷化合物中，（i）其通过除了或替代结合的有机硅烷化合物的共轭用作（共）聚合物的官能团 在活性位点和促进硅烷醇基与加成或取代反应后的增强填料，或之间的反应（ⅱ）促进该硅烷醇基与补强性填料，和水解步骤的修改后演出之间反应的官能团 反应步骤; 的改性共轭用作具有（共）聚合物，在该共轭用作（共）聚合物，硅烷醇基，以及位于该硅烷醇基，促进该硅烷醇基与之间的反应的官能团的附近的官能团的分子末端 增强填料; 的橡胶组合物含有具有特定特性的（共）聚合物和炭黑; 和轮胎由橡胶组合物形成。

公开(公告)号：EP1873168A4

公开(公告)日：2009-12-16

申请号：EP06732015

申请日：2006-04-17

Applicant: BRIDGESTONE CORP

Inventor： KURAZUMI JUNKO ,  SUZUKI EIJU ,  OZAWA YOICHI

IPC: C08C19/00 ,  C08F4/54 ,  C08F136/06

CPC classification number: C08C19/44 ,  B60C1/00 ,  B60C1/0016 ,  C08K3/04 ,  C08K3/36 ,  C08L7/00 ,  C08L9/00 ,  C08L15/00 ,  C08L21/00 ,  C08L2666/08

Abstract: The present invention provides a modified conjugated diene polymer that is prepared by polymerization of a conjugated diene compound using a catalyst containing a lanthanoid rare earth element compound in an organic solvent and then modifying the resulting polymer having an active organic metal site with a modifier, wherein the modification efficiency is not less than 15% and the cis-1,4 bond content in the conjugated diene moiety measured by Fourier transform infrared spectroscopy satisfies the relationship (I): or the modification efficiency is not less than 75% and the cis-1,4 bond content in the conjugated diene moiety measured by Fourier transform infrared spectroscopy satisfies the relationship (II): The invention further provides a rubber composition containing the modified conjugated diene polymer and giving a tire exhibiting low heat build-up, satisfactory failure characteristics, and high abrasion resistance, and a tire composed of the rubber composition and exhibiting these characteristics.

公开(公告)号：EP1612240A4

公开(公告)日：2009-07-01

申请号：EP04722046

申请日：2004-03-19

Applicant: BRIDGESTONE CORP

Inventor： MIKAMI SATOSHI ,  FUJINO KENTARO ,  OZAWA YOICHI ,  SUZUKI AKIRA

IPC: C08L9/06 ,  B60C1/00 ,  C08C19/22 ,  C08F2/26 ,  C08K3/04 ,  C08K5/01 ,  C08K5/17 ,  C08L9/00

CPC classification number: C08K5/01 ,  B60C1/00 ,  C08K3/04 ,  C08L7/00 ,  C08L19/006 ,  C08L21/00 ,  C08L2666/08

Abstract: A rubber composition which has high interaction between the rubber component and carbon black, has satisfactory wearing resistance, and is highly reduced in heat buildup (has low hysteresis loss). The rubber composition is characterized by comprising (A) 100 parts by mass of a rubber ingredient comprising at least 10 mass % conjugated diene polymer having a polymer chain having at least one functional group selected from the group consisting of specific substituted amino groups and specific cyclic amino groups, (B) at least 20 parts by mass of carbon black, and (C) up to 1.0 part by mass of a polycyclic aromatic compound (PCA).

公开(公告)号：EP1640412A4

公开(公告)日：2006-08-09

申请号：EP04746458

申请日：2004-06-25

Applicant: BRIDGESTONE CORP

Inventor： SUZUKI EIJU ,  OZAWA YOICHI

IPC: C08L9/00 ,  B60C1/00 ,  C08F136/08 ,  C08K3/04 ,  C08K3/36 ,  C08L7/00

CPC classification number: C08L7/00 ,  B60C1/00 ,  B60C9/02 ,  B60C9/18 ,  B60C11/0008 ,  C08L9/00 ,  Y10T152/10495 ,  C08L2666/08 ,  C08F36/04 ,  C08F4/545

Abstract: A rubber composition, characterized in that it comprises, as rubber components, (A) a synthetic polyisoprene having a cis-1,4 bonding content of 99.0 % or more and a 3,4 bonding of 0.5 % or less and having a Mooney viscosity ML1+4(100˚C) of 20 to 110 and (B) natural rubber. The rubber composition comprises a polyisoprene rubber having a very high cis-1,4 content, and offers excellent balance between the mechanical properties of a vulcanized product therefrom and the processability thereof.

公开(公告)号：EP1932869A4

公开(公告)日：2012-04-25

申请号：EP06811234

申请日：2006-10-04

Applicant: JSR CORP ,  BRIDGESTONE CORP

Inventor： TANAKA RYOUJI ,  TANI KOUICHIROU ,  SONE TAKUO ,  TADAKI TOSHIHIRO ,  KURAZUMI JUNKO ,  MASAKI KOJI ,  OZAWA YOICHI

IPC: C08G77/442 ,  C08C19/25 ,  C08F8/42 ,  C08L15/00 ,  C08L83/10

CPC classification number: C08C19/44 ,  C08K3/04 ,  C08K3/36 ,  C08L7/00 ,  C08L15/00 ,  C08L21/00 ,  C08L23/16 ,  C08L2666/08

Abstract: A process for producing a modified conjugated diene polymer includes subjecting an active terminal of a conjugated diene polymer having a vinyl content of less than 10% and a cis-1,4 bond content of 75% or more to a modification reaction with an alkoxysilane compound, and subjecting the alkoxysilane compound (residue) to a condensation reaction in an aqueous solution at a pH of 9 to 14 and a temperature of 85 to 180°C in the presence of a condensation accelerator including a compound containing titanium. The modified conjugated diene polymer exhibits low heat build-up and increased reinforcing properties when used for a rubber composition, and exhibits excellent wear resistance, mechanical characteristics, and processability.