Process for production of modified carbon black for rubber...

Details Process for production of modified carbon black for rubber... Process for production of modified carbon black for rubber...

2006-12-05

2006-12-05

Wu, David W. (Department: 1713)

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...

C524S261000, C264S117000, C106S475000

Reexamination Certificate

active

07144943

ABSTRACT:
A process for production of a modified carbon black, at a cheaper cost, for rubber reinforcement having the superior tan δ temperature dependency of silica and an excellent abrasion resistance and further having no problems arising due to a low electrical conductivity is provided.In the process for production of a modified carbon black for rubber reinforcement wherein, in the step of granulating the carbon black, a water-dispersed silica is added to the carbon black, the granulating is performed by a granulator and a process of production of a rubber composition containing a surface-treated carbon black for rubber reinforcement comprising coagulating, with a coagulating agent, a mixture of (a) 100 parts by weight, as a solid content, of a diene rubber component and (b) 10 to 250 parts by weight, as a solid content, of a slurry containing a carbon black for rubber reinforcement or (b′) 10 to 250 parts by weight of a modified carbon black produced by the above method.

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“Rubber Technology”, Maurice Morton, 3rdEd.,1999, p. 69-70.

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