Fiber-reinforced rubber composition and production process there

Details Fiber-reinforced rubber composition and production process there Fiber-reinforced rubber composition and production process there

1991-06-19

1994-02-01

Carrillo, Ana L.

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

Synthetic resins

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

2642101, 26421124, 525935, C08L 7700, C08F 830

Patent

active

052832899

ABSTRACT:
A fiber-reinforced rubber composition capable of providing a vulcanizate having an excellent strength and modulus and a production process thereof. This fiber-reinforced rubber composition includes fine short fibers of thermoplastic polymer having ##STR1## groups buried in vulcanizable rubber. The vulcanizable rubber and the thermoplastic polymer are grafted to each other through a resol type alkylphenol formaldehyde resin precondensate or a novolak type phenol formaldehyde resin precondensate at an interface of the fiber. The ratio of the fiber to the vulcanizable rubber (A) 1 to 70 parts by weight based on 100 parts by weight of the rubber in the case of the resol type alkylphenol formaldehyde resin precondensate or (B) 1 to 100 parts by weight based on 100 parts by weight of the rubber in the case of the novolak type phenol formaldehyde resin precondensate.

REFERENCES:
patent: 2683697 (1951-01-01), Newell et al.
patent: 4703086 (1987-10-01), Yamamoto et al.
patent: 5043388 (1991-08-01), Yamamoto et al.

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