Branched polymer, process for the preparation thereof, tire trea

Details Branched polymer, process for the preparation thereof, tire trea Branched polymer, process for the preparation thereof, tire trea

1983-03-30

1985-06-18

Lipman, Bernard

Resilient tires and wheels

Tires, resilient

Anti-skid devices

152450, 525194, 5253329, B60C 1100

Patent

active

045236186

ABSTRACT:
A branched polymer which is a butadiene homopolymer or a copolymer of an aromatic vinyl compound and butadiene and has a glass transition temperature of not less than -50.degree. C. and of which at least 70% by weight of the polymer chains has a branched structure in which high molecules are coupled by a trifunctional or tetrafunctional coupling agent, has an excellent roll processability as required in mixing a rubber component with additives and provides a rubber component for tire tread showing a low rolling resistance and an excellent wet skid resistance characteristic.

REFERENCES:
patent: 4039633 (1977-08-01), Zelinski
patent: 4105714 (1978-08-01), Trepka et al.
patent: 4334567 (1982-06-01), Bond

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