Polyoxymethylene compositions containing amine polymer having pe

Details Polyoxymethylene compositions containing amine polymer having pe Polyoxymethylene compositions containing amine polymer having pe

1990-12-20

1992-07-07

Michl, Paul R.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524291, 524400, 524593, C08L 5106, C08K 513

Patent

active

051284057

ABSTRACT:
Polyoxymethylene molding compositions include a polyoxymethylene base resin and contain, based upon the weight of the polyoxymethylene base resin, between 0.01 to 5% by weight of a hindered phenolic antioxidant, and between 0.01 to 5% by weight of an amine polymer having a molecular weight of at least 1000 and comprised essentially of structural units of the following formula (1): ##STR1## wherein R represent a hydrogen atom, an alkyl group, a phenyl group, an alkyl-substituted phenyl group, an NH.sub.2 group directly bonded to the carbon atom, or --X--NH.sub.2 -- where X represents an alkylene group, a carbonyl group, a carboxyalkylene group, an alkyleneoxycarbonylalkyl group, a phenylene group, an alkyl-substituted phenylene group, an amido group or an alkyleneamido group.

REFERENCES:
patent: 3903197 (1975-09-01), Ishida et al.
patent: 4837400 (1989-06-01), Walter et al.
patent: 4843115 (1989-06-01), Auerbach et al.

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