Invention Grant
US09133293B2 Copolymer rubber having a star-shaped block structure, the preparation process and use thereof
有权
具有星形块状结构的共聚物橡胶，其制备方法及其用途
- Patent Title: Copolymer rubber having a star-shaped block structure, the preparation process and use thereof
- Patent Title (中): 具有星形块状结构的共聚物橡胶，其制备方法及其用途
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Application No.: US13169852Application Date: 2011-06-27
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Publication No.: US09133293B2Publication Date: 2015-09-15
- Inventor: Guozhu Yu , Lin Xu , Xinhe Kang , Nini Wang , Hui Liu , Chuanqing Li
- Applicant: Guozhu Yu , Lin Xu , Xinhe Kang , Nini Wang , Hui Liu , Chuanqing Li
- Applicant Address: CN Beijing CN Beijing
- Assignee: China Petroleum & Chemical Corporation,Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
- Current Assignee: China Petroleum & Chemical Corporation,Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
- Current Assignee Address: CN Beijing CN Beijing
- Agency: Finnegan, Henderson, Farabow, Garrett & Dunner LLP
- Priority: CN201010219627 20100625
- Main IPC: C08F2/00
- IPC: C08F2/00 ; C08F299/00 ; C08J5/14 ; C08F297/04 ; B60C1/00
Abstract:
Provided is a copolymer rubber, comprising a copolymer having a star-shaped block structure (SIB-PA)n-X, wherein SIB is a block comprising styrene, butadiene, and isoprene as constituent monomers; PA is a block comprising butadiene or isoprene as a constituent monomer; X is the residue of at least one coupling agent; and n=2-4. Also provided is a process for preparing the copolymer rubber and use thereof.
Public/Granted literature
- US20110319568A1 COPOLYMER RUBBER HAVING A STAR-SHAPED BLOCK STRUCTURE, THE PREPARATION PROCESS AND USE THEREOF Public/Granted day:2011-12-29
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