Invention Grant
- Patent Title: Method for producing polydienes and polydiene copolymers with reduced cold flow
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Application No.: US15517401Application Date: 2015-10-05
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Publication No.: US10364300B2Publication Date: 2019-07-30
- Inventor: Steven Luo
- Applicant: Bridgestone Corporation
- Applicant Address: JP Chuo-ku
- Assignee: Bridgestone Corporation
- Current Assignee: Bridgestone Corporation
- Current Assignee Address: JP Chuo-ku
- Agent Meredith E. Hooker; Aurthur M. Reginelli
- International Application: PCT/US2015/053986 WO 20151005
- International Announcement: WO2016/057388 WO 20160414
- Main IPC: B60C1/00
- IPC: B60C1/00 ; C08C19/00 ; C08C19/36 ; C08C19/44 ; C08K3/013 ; C08K5/00 ; C08C19/22
Abstract:
A method for preparing a coupled polymer, the method comprising the steps of polymerizing monomer to form a reactive polymer and reacting the reactive polymer with a carboxylic or thiocarboxylic ester containing a nitro group, where the carboxylic or thiocarboxylic ester containing a nitro group includes a single nitro group.
Public/Granted literature
- US20170247478A1 Method For Producing Polydienes And Polydiene Copolymers With Reduced Cold Flow Public/Granted day:2017-08-31
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