Block copolymers of ethylene and propylene

Details Block copolymers of ethylene and propylene Block copolymers of ethylene and propylene

1981-06-11

1983-10-04

Smith, Edward J.

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

Synthetic resins

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

525268, 526118, 526351, C08F29708

Patent

active

044080190

ABSTRACT:
Thermoplastic elastomeric block copolymers having the general formula (AB).sub.n A, wherein each A is a crystalline polypropylene block, each B is a random ethylene-propylene copolymer block and n is an integer from 1 to about 12 exhibit structural and physical properties differences in comparison to related products.

REFERENCES:
patent: 3349018 (1967-10-01), Potts
patent: 3478130 (1969-11-01), Hosteller
patent: 3480696 (1969-11-01), Hassell et al.

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