Polyoxymethylene having improved acid stability

Details Polyoxymethylene having improved acid stability Polyoxymethylene having improved acid stability

1993-10-22

1995-02-28

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 91, 524327, 524386, 524495, 524496, C08J 510, C08K 534, C08L 5902

Patent

active

053938135

ABSTRACT:
By adding melamine cyanurate, polyoxymethylene is stabilized against acid attack, wherein in particular as little as under 3 parts of MCA per 100 parts of POM are effective. The weight loss of a stabilized POM under the action of acid may be less than 3% of that of an unstabilized POM. The product is useful in products which are exposed to acidic agents such as irrigation systems, dishwashers, sanitary installations.

REFERENCES:
patent: 4298518 (1981-11-01), Ohmura et al.
patent: 4446263 (1984-05-01), Bryant
patent: 5294661 (1994-03-01), Takaya et al.

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