Polypropylene impact blends having improved optical properties

Details Polypropylene impact blends having improved optical properties Polypropylene impact blends having improved optical properties

1976-08-30

1978-09-12

Seccuro, Carman J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C08L 2316

Patent

active

041138066

ABSTRACT:
A polypropylene impact blend having a good overall balance of mechanical properties, particularly high impact strength, and surprisingly high clarity is disclosed which includes about 70 to about 90% by weight of a polypropylene, about 1 to about 18% by weight of a low density polyethylene and about 2 to about 24% by weight of an amorphous ethylene-propylene copolymer elastomer, with or without a non-conjugated diene, having a high combined ethylene content. The polypropylene impact blends are useful for making molded or extruded shaped articles and the like which are essentially clear.

REFERENCES:
patent: 3256367 (1966-06-01), Jayne
patent: 3515775 (1970-06-01), Combs et al.
patent: 3957919 (1976-05-01), Von Boduncen et al.

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