Rubber composition having high modulus of elasticity and process

Details Rubber composition having high modulus of elasticity and process Rubber composition having high modulus of elasticity and process

1981-04-23

1983-04-19

Ziegler, J.

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

Synthetic resins

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

525216, 525198, 525240, 525241, C08L 900

Patent

active

043806074

ABSTRACT:
A rubber composition consisting essentially of a dispersion in which particles of a high-melting isotactic poly-.alpha.-olefin having a melting point of at least 150.degree. C. are uniformly dispersed in a rubber matrix, said particles having an average particle size of not more than 200.mu., has a high modulus of elasticity and also excellent tear resistance. Such rubber composition can be obtained, for example, by mixing fine powder of said isotactic poly-.alpha.-olefin having an average particle size of not more than 200.mu. with a rubber solution, dispersing the particles uniformly in said rubber solution and recovering a rubber composition from the dispersion.

REFERENCES:
patent: 3701702 (1972-10-01), Shichman et al.
patent: 3751524 (1973-08-01), Hugh et al.

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