Polypropylene-polyethylene-(ethylene-propylene rubber) compositi

Details Polypropylene-polyethylene-(ethylene-propylene rubber) compositi Polypropylene-polyethylene-(ethylene-propylene rubber) compositi

1984-12-27

1986-11-04

Buffalow, Edith

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

Synthetic resins

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

428500, 428910, C08L 2304

Patent

active

046211195

ABSTRACT:
The tear strength of biaxially oriented polypropylene is improved by adding polyethylene, e.g., about 5-40 weight percent, and an ethylene propylene rubber, e.g., about 1-10 weight percent.

REFERENCES:
patent: 3998911 (1976-12-01), Strametz et al.
patent: 4087485 (1978-05-01), Huff
patent: 4319004 (1982-03-01), Spielau
patent: 4399180 (1983-08-01), Briggs et al.
patent: 4426498 (1984-01-01), Inoue et al.

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