Elastomer blend and use in tires

Details Elastomer blend and use in tires Elastomer blend and use in tires

1999-03-09

2000-12-26

Nutter, Nathan M.

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

Synthetic resins

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

525198, 525240, 525241, 152450, 425 281, 425340, 425363, B29D 2900, B60C 500

Patent

active

061661406

ABSTRACT:
High viscosity elastomers are often difficult to utilize in rubber compositions without first creating a pre-blend of the high viscosity elastomer and a rubber processing oil to reduce their overall viscosity. This invention relates to utilization of a specialized pre-blend of high viscosity and low viscosity elastomers for use in rubber compositions and to the resulting rubber composition. The use of such resulting rubber composition may be for component(s) of tires, particularly including tire treads. The specialized pre-blend of high and low viscosity elastomers is required to be created by blending individual latices or, alternatively, by blending individual polymerizates of elastomers with diverse viscosities.

REFERENCES:
patent: 3884993 (1975-05-01), Gros
patent: 5162441 (1992-11-01), Nakata et al.

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