Rubber composition

Details Rubber composition Rubber composition

Filed on

1988-07-14

Date issued

1990-01-16

Examiner

Kight, John

Patent Class

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

SubClass

Synthetic resins

SubSubClass

At least one aryl ring which is part of a fused or bridged...

Other Related Categories

525244, C08F 400, C08J 334

Type

Patent

Status

active

Patent number

048944092

Description

ABSTRACT:
A rubber composition comprising not less than 20% by weight of an amino group-containing diene based polymer in a rubber component, and 10 to 100 parts by weight of silica as a filler with respect to 100 parts by weight of the rubber component. The amino group-containing diene based polymer is obtained by polymerizing a monomer or copolymerizing the monomer in an organic solvent in the presence of at least one of an organic alkali metal and an organic alkaline earth metal.

REFERENCES:
patent: 4550142 (1985-10-01), Akita et al.
patent: 4555547 (1985-11-01), Ueda et al.
patent: 4555548 (1985-11-01), Ueda et al.
patent: 4614771 (1986-09-01), Watanabe et al.
patent: 4616069 (1986-10-01), Watanabe et al.

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