Process for producing a vulcanizable rubber composition with sil

Details Process for producing a vulcanizable rubber composition with sil Process for producing a vulcanizable rubber composition with sil

1997-10-15

1999-06-29

Cain, Edward J.

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...

524493, C08K 300

Patent

active

059169516

ABSTRACT:
In a process for producing a vulcanizable rubber composition containing silica and having a low content of carbon black, at least a silica-based reinforcing filler and ad least a silane-based coupling agent are added to and intimately mixed with other ingredients of the composition in subsequent steps, at a temperature of from 165.degree. and 180.degree. C. and between 1100 and 160.degree. C. respectively. The rubber composition so obtained has an improved silica dispersion, constant physico-mechanical characteristics and a better drawability and is particularly suitable for the manufacture of treads for tires with low rolling resistance.

REFERENCES:
patent: 5227425 (1993-07-01), Rauline

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