RUBBER COMPOSITION FOR TIRES AND PNEUMATIC TIRE Russian patent published in 2018 - IPC C08L9/00 C08K3/36 C08K5/5419 B60C1/00 

Abstract RU 2670897 C9

FIELD: chemistry.

SUBSTANCE: invention relates to a rubber composition for tires. Rubber composition for tires comprises a butadiene rubber and a partially conjugated diene rubber, wherein the content of the butadiene rubber in the diene rubber is from 20 to 50 % by weight, and the partially conjugated rubber is from 30 to 70 % by weight, the average glass transition temperature of the diene rubber ranges from -60 to -50 °C, the silica content is from 95 to 145 parts by weight per 100 parts by weight of diene rubber, from 1 to 7 % by weight of alkyltrialkoxysilane on the silica content.

EFFECT: invention makes it possible to improve the braking power of the tire from the rubber composition on icy and snow-covered roads.

13 cl, 1 dwg, 4 tbl

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RU 2 670 897 C9

Authors

Maejima, Keisuke

Sato, Masaki

Ashiura, Makoto

Dates

2018-10-25Published

2015-08-24Filed