Rubber composition using a silane coupling agent having a specif

Details Rubber composition using a silane coupling agent having a specif Rubber composition using a silane coupling agent having a specif

1997-09-19

2000-11-14

Henderson, Christopher

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

524571, 525340, C08C 1924

Patent

active

061471666

ABSTRACT:
The present invention provides a rubber composition and a pneumatic tire using the rubber composition. A rubber composition comprises silica in an amount of 10 to 85 parts by weight per 100 parts by weight of natural rubber and/or diene synthetic rubbers. A polysulfide silane coupling agent having a specific distribution of sulfur reacts with a trivalent phosphorus compound such that a content of high polysulfide in the polysulfide silane coupling agent is reduced. The rubber composition further comprises 1 to 20% by weight, based on an amount of the silica, of the polysulfide silane coupling agent having a specific distribution of sulfur such that a content of high polysulfide component is small. The pneumatic tire has an excellent low heat buildup property.

REFERENCES:
patent: 2376264 (1945-05-01), Martin
patent: 3951927 (1976-04-01), Aloia

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