Elastoplastic compositions and process for preparing them

Details Elastoplastic compositions and process for preparing them Elastoplastic compositions and process for preparing them

1988-12-09

1989-12-26

Seccuro, Carman J.

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

Synthetic resins

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

525 86, 525 87, 525 98, 525 99, 525 70, 525194, 525211, 525240, 525133, C08L 2326, C08L 2504, C08L 5106, C08L 5302

Patent

active

048898880

ABSTRACT:
Elastoplastic compositions comprising a continuous crystalline polyolefin phase and at least two phases discretely dispersed in the polyolefin phase, one of which is a dynamically cured EPDM rubber and the other an amorphous and thermoplastic styrene polymer, in which at least 80% of the dispersed particles has a maximum size preferably below 5 .mu.m.
The compositions are prepared by masticating a mixture of the components under conditions of dynamic curing of rubber.

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patent: 4745149 (1988-05-01), Eisele et al.
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