Resin-reinforced elastomer, process for producing same and pneum

Details Resin-reinforced elastomer, process for producing same and pneum Resin-reinforced elastomer, process for producing same and pneum

1998-03-18

2000-03-14

Seidleck, James J.

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

Synthetic resins

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

525232, 525240, 523351, 152209R, C08L 2100, C08K 554, B60C 100

Patent

active

060374187

ABSTRACT:
There are disclosed a resin-reinforced elastomer which comprises as principal components, a rubber and a polyolefin having an average particle diameter of at most 1 .mu.m, and in which the rubber and the polyolefin are linked together; a process for producing the resin-reinforced elastomer by melt kneading a polyolefin, a No.1 rubber and a binding agent to prepare a thermoplastic composition, adding a No.2 rubber to the resultant thermoplastic composition and melt kneading the mixture thus formed to disperse the polyolefin in the rubber components; and a pneumatic tire using the resin-reinforced elastomer in its tread. The above resin-reinforced elastomer has a uniform modulus and a low density, is minimized in directionality, and is excellent in tensile strength, fatigue resistance and abrasion resistance.

REFERENCES:
patent: 4130534 (1978-12-01), Coran et al.
patent: 4628073 (1986-12-01), Fisher
patent: 5378754 (1995-01-01), Bauer et al.

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