Polypropylene-polybutylene shrink film compositions

Details Polypropylene-polybutylene shrink film compositions Polypropylene-polybutylene shrink film compositions

1991-02-25

1993-07-06

Stoll, Robert L.

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

Synthetic resins

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

524490, C08L 2300

Patent

active

H00012130

ABSTRACT:
A composition comprising a blend of from about 10% by weight to about 90% by weight of a propylene polymer from about 10% by weight to about 90% by weight of low melt index polybutylene having a melt index of between about 0.5 and 10 and about 0.5% by weight to about 10% by weight of a high melt index polybutylene having a melt index of from about 10 to about 1000 including articles prepared therefrom.

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patent: 3754063 (1973-08-01), Schirmer
patent: 3849520 (1974-11-01), Bullard et al.
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patent: 3900534 (1975-08-01), Schard
patent: 3932274 (1976-01-01), Izumi et al.
patent: 4194039 (1980-03-01), Mueller
patent: 4196240 (1980-04-01), Lustig et al.
patent: 4207363 (1980-01-01), Lustig et al.
patent: 4379888 (1983-04-01), Yoshimura et al.
patent: 4670529 (1987-06-01), Kitamura et al.

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