Polyoxymethylene composition

Details Polyoxymethylene composition Polyoxymethylene composition

C - Chemistry, Metallurgy

08

L

400/3012, 400/54

C08L 61/02 (2006.01) C08K 5/134 (2006.01) C08L 59/02 (2006.01) C08L 33/26 (2006.01) C08L 39/00 (2006.01)

Patent

CA 2033041

A polyoxymethylene composition contains 0.01 to 5% by weight, based on the polyoxymethylene, of a hindered phenol antioxidant and 0.01 to 5% by weight of an amine polymer having a molecular weight of at least 1000 and comprising structural units of the following formula (1): (see formula I) wherein R represents a hydrogen atom, an alkyl group, a phenyl group, an alkyl-substituted phenyl group or (see formula II) and 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 or X may be null in some cases.

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