C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/1116, 400/17
C08L 9/06 (2006.01) B60C 1/00 (2006.01) C08C 19/44 (2006.01) C08L 9/00 (2006.01)
Patent
CA 1214589
Abstract of the Disclosure 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°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.
424258
Furukawa Hiroshi
Imai Akio
Okamoto Yasushi
Saito Yuichi
Seki Tomoaki
Osler Hoskin & Harcourt Llp
Sumitomo Chemical Co. Ltd.
Sumitomo Rubber Industries Limited
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