Crystalline polyolefin composition

Details Crystalline polyolefin composition Crystalline polyolefin composition

1990-08-20

1991-11-05

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524117, 524251, 524252, 524394, 524400, 524127, C08K 551

Patent

active

050632647

ABSTRACT:
A first crystalline polyolefin composition is provided, comprising 100 parts by weight of a crystalline polyolefin, (A) from 0.001 to 1 part by weight of a fluorophosphite compound represented by formula (I): ##STR1## wherein R represents an alkylidene group having from 1 to 4 carbon atoms or a sulfur atom; Ar.sub.1 and Ar.sub.2, which may be the same or different, each represents an alkylarylene group or a cycloalkylarylene group; and n represents 0 or 1, and (B) from 0.001 to 1 part by weight of at least one of (1) an aliphatic monocarboxylic acid salt with lithium or sodium, (2) a dithiocarbamic acid salt with lithium, sodium or potassium, (3) a 2-mercaptobenzothiazole salt with lithium, sodium or potassium, (4) a 2-mercaptobenzimidazole salt with lithium, sodium or potassium and (5) a benzotriazole salt with lithium, sodium or potassium.

REFERENCES:
patent: 4185006 (1980-01-01), Rashberger et al.
patent: 4407986 (1983-10-01), Nomura et al.
patent: 4820772 (1989-04-01), Goto et al.

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