Oxymethylene copolymerizate molding compositions with reduced fo

Details Oxymethylene copolymerizate molding compositions with reduced fo Oxymethylene copolymerizate molding compositions with reduced fo

1986-05-21

1987-06-09

Phynes, Lucille M.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524597, 525472, 528252, 528254, C08K 534, C08K 548

Patent

active

046720839

ABSTRACT:
The formaldehyde emission in the thermoplastic processing of antioxidant containing oxymethylene copolymer molding compositions is reduced considerably if these molding compositions additionally contain on the surface or homogeneously mixed in a specifically defined formaldehyde binding material which contains in the molecule at least two 4,6-diamino-1,3,5-triazin-2-yl groups. In this way there are avoided deposits on the die and odor annoyance.

REFERENCES:
patent: 3380966 (1968-04-01), Fouts
patent: 3485799 (1969-12-01), Park
patent: 4024105 (1977-05-01), Sextro et al.
patent: 4230606 (1980-10-01), Amann et al.
patent: 4515938 (1985-05-01), Swearingen et al.
patent: 4543388 (1985-09-01), Treybig

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