Thermoplastic polymer blends comprising EP or EPDM polymers and

Details Thermoplastic polymer blends comprising EP or EPDM polymers and Thermoplastic polymer blends comprising EP or EPDM polymers and

1979-12-26

1981-01-27

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 95, 525 97, 525211, 525240, C08L 2316

Patent

active

042476615

ABSTRACT:
Certain thermoplastic blends have substantially improved hot strength (i.e., cohesive strength and resistance to sagging or tearing during milling or other hot processing). The blends comprise (1) at least one ethylene-propylene (EP) or ethylene-propylene-diene (EPDM) polymer and (2) at least one highly crystalline polyallomer, and are useful for tubing, wire and cable insulation, molded items and the like.

REFERENCES:
patent: 3478128 (1969-11-01), Hagemeyer et al.
patent: 3529037 (1970-09-01), Hagemeyer et al.
patent: 3806558 (1974-04-01), Fischer
patent: 4086301 (1978-04-01), Zerpner et al.

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