Process for preparation of rubber composition and rubber composi

Details Process for preparation of rubber composition and rubber composi Process for preparation of rubber composition and rubber composi

1993-01-26

1994-05-17

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

5253325, 5253326, 5253327, 525374, 525379, C08J 320

Patent

active

053128494

ABSTRACT:
A process for preparation of a rubber composition which comprises mixing a modified diene polymer wherein at least one functional group represented by the formula >C.dbd.N.sup.+ < was bound to the main chain of the polymer or the main chain and terminal of the polymer directly or through another atomic group, with carbon black in an organic solvent, and separately the mixture of the modified diene polymer with carbon black from the resultant mixture solution.

REFERENCES:
patent: 4550142 (1985-10-01), Akita et al.
patent: 4647625 (1987-03-01), Aonuma et al.
patent: 4677153 (1987-06-01), Kitihara et al.

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