Composition of cyclic amine-initiated elastomers and amorphous s

Details Composition of cyclic amine-initiated elastomers and amorphous s Composition of cyclic amine-initiated elastomers and amorphous s

1997-07-11

1999-02-02

Teskin, Fred M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524492, 525105, 5253323, 5253324, 525370, 525371, 525375, 525379, 525382, 525383, 525384, 152209R, C08K 336, C08C 1922

Patent

active

058666508

ABSTRACT:
The reduction of hysteresis in a silica-filled, vulcanized elastomeric compound is produced by mixing diene monomer and optionally monovinyl aromatic monomer with a lithium amine initiator and, optionally, a modifier; effecting polymerization conditions; terminating polymerization with an amino group producing terminator to form an amine functionalized diene elastomer; compounding the amine functionalized diene elastomer with an amorphous silica filler and a vulcanization agent; and, effecting vulcanization. A pneumatic tire tread stock incorporating the vulcanized elastomer compound exhibits improved reduced hysteresis, or highly balanced wet traction, rolling resistance, snow/ice traction, and mechanical strength when compounded with silica filler and vulcanized, in the tire.

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