Polyoxymethylene compositions

Details Polyoxymethylene compositions Polyoxymethylene compositions

1997-06-18

1999-08-17

Hoke, Veronica P.

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...

524424, 524425, 524433, 524593, C08K 338

Patent

active

059394811

ABSTRACT:
A polyoxymethylene composition is reduced in mold fouling, undergoes little discoloration in molten-state residence within the cylinder of a molding machine, has improved moldability, and is reduced in formic acid generation, when compounded with a sterically hindered phenolic antioxidant (a), of a polyamide (b), at least one metal compound selected among oxides and carbonates of magnesium or calcium (c) and a boron compound (d).

REFERENCES:
patent: 5137958 (1992-08-01), Matsunami et al.
patent: 5364900 (1994-11-01), Hata et al.

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