High impact poly(p-methylstyrene) polymers

Details High impact poly(p-methylstyrene) polymers High impact poly(p-methylstyrene) polymers

1983-12-30

1985-09-03

Henderson, Christopher A.

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

Synthetic resins

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

428 35, 525146, 525177, 525221, 525240, C08L 5302

Patent

active

045393710

ABSTRACT:
The present invention provides a method for improving the environmental stress crack resistance of high impact poly(p-methylstyrene) by blending high impact poly(p-methylstyrene) with an additive copolymer having a higher environmental stress crack resistance. The invention further provides a shaped container resistant to fats.

REFERENCES:
patent: 4205114 (1980-05-01), Canterino et al.
patent: 4260694 (1981-04-01), Schwab
patent: 4275179 (1981-06-01), Sherman
patent: 4335181 (1982-06-01), Maramo, Jr. et al.
patent: 4351889 (1982-09-01), Sundberg
patent: 4352908 (1982-10-01), Murray
patent: 4397988 (1983-08-01), Sherman

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