公开(公告)号：EP3207090A4

公开(公告)日：2018-06-06

申请号：EP15849971

申请日：2015-10-15

申请人： BRIDGESTONE CORP

发明人： RANDALL AMY M ,  MCCAULEY KEVIN M ,  AGARWAL SHEEL P ,  ROBERTSON CHRISTOPHER G

IPC分类号： C08K5/098 ,  B60C1/00 ,  C08K5/01 ,  C08K5/20 ,  C08L9/00

CPC分类号： C08K5/20 ,  B60C1/0016 ,  B60C1/0025 ,  C07C233/77 ,  C07F1/08 ,  C08K3/04 ,  C08K5/0083 ,  C08K5/01 ,  C08K5/098 ,  C08L9/00

摘要： The present disclosure is directed to rubber compositions containing a chemical additive capable of generating or enhancing strain-induced crystallization into the compositions, and tires containing the rubber compositions in one or more components such as sidewalls or treads. The chemical additive is at least one nucleating agent of formula (I) or formula (II). As well, certain embodiments relate to methods for achieving reduced wear or improved durability in a tire tread or tire sidewall by using the chemical additives.

公开(公告)号：EP3207091A4

公开(公告)日：2018-06-06

申请号：EP15850937

申请日：2015-10-15

申请人： BRIDGESTONE CORP

发明人： RANDALL AMY M ,  YAN YUAN-YONG ,  MCCAULEY KEVIN M

IPC分类号： C08L9/00 ,  C08K3/00 ,  C08L7/00 ,  C08L25/10 ,  C08L77/00

CPC分类号： C08K5/20 ,  C08K3/00 ,  C08K3/013 ,  C08K3/04 ,  C08K3/22 ,  C08K5/01 ,  C08K2003/2296 ,  C08L7/00 ,  C08L9/00 ,  C08L2205/025

摘要： The present disclosure is directed to rubber compositions containing a chemical additive capable of generating or enhancing strain-induced crystallization into the compositions, and tires containing the rubber compositions in one or more components such as sidewalls or treads. The chemical additive is at least one fatty acid amide compound of formula (I). As well, certain embodiments relate to methods for achieving reduced wear or improved durability in a tire tread or tire sidewall by using the chemical additives.

公开(公告)号：EP2820054A4

公开(公告)日：2015-07-15

申请号：EP13755152

申请日：2013-02-27

申请人： BRIDGESTONE CORP

发明人： QIN ZENGQUAN ,  MCCAULEY KEVIN M ,  LUO STEVEN

IPC分类号： C08F36/04 ,  C08F2/04 ,  C08F4/52 ,  C08F4/54 ,  C08F36/06

CPC分类号： C08F136/06 ,  C08F4/545 ,  C08F36/06 ,  C08F4/52

摘要： Disclosed herein are solution polymerization processes for producing a high-cis polydiene. The processes include polymerizing at least one conjugated diene monomer in an organic solvent in the presence of at least one thiol compound and a lanthanide-based catalyst composition to produce a polydiene having a cis-1,4-linkage content of 90-99%. The at least one thiol compound is represented by the general formula R—S—H, where R is a hydrocarbyl group or a substituted hydrocarbyl group. The lanthanide-based catalyst composition comprises (a) a lanthanide compound, (b) an alkylating agent, and (c) a halogen source, where (c) may optionally be provided by (a), (b), or both (a) and (b). The molar ratio of the at least one thiol compound to the lanthanide compound used in the polymerization process ranges from 0.01:1 to 100:1. Improved solution polymerization processes regarding the same are also disclosed herein.

摘要翻译： 本文公开了用于生产高顺式聚二烯的溶液聚合方法。 所述方法包括在至少一种硫醇化合物和镧系元素类催化剂组合物的存在下，在有机溶剂中聚合至少一种共轭二烯单体以制备顺式-1,4-键含量为90-99％的聚二烯。 所述至少一种硫醇化合物由通式R-S-H表示，其中R是烃基或取代的烃基。 镧系元素基催化剂组合物包含（a）镧系元素化合物，（b）烷基化剂和（c）卤素源，其中（c）可任选地由（a），（b）或两者提供（a ）和（b）。 在聚合过程中使用的至少一种硫醇化合物与镧系元素化合物的摩尔比为0.01:1至100:1。 关于该方法的改进的溶液聚合方法也在本文中公开。