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US 2017/0247478 A1Published application
Method For Producing Polydienes And Polydiene Copolymers With Reduced Cold Flow
AssigneeBridgestone Corporation
InventorSteven Luo
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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.
Claims23
A method for preparing a coupled polymer, the method comprising the steps of:
- (i) polymerizing monomer to form a reactive polymer, and
- (ii) 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.
A coupled polymer prepared by the steps of:
- (i) polymerizing monomers to form a reactive polymer, and
- (ii) 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.
Dependencies are inferred from the claim text.