Process for producing stabilized polyoxymethylene

Details Process for producing stabilized polyoxymethylene Process for producing stabilized polyoxymethylene

1979-04-20

1980-09-02

Phynes, Lucille M.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

260 458A, C08G 230

Patent

active

042207401

ABSTRACT:
Stabilized polyoxymethylene excellent in heat stability, base stability and mechanical properties can be produced by reacting polyoxymethylene having a number average molecular weight of 10,000 or more with 1,3-dioxepane in an organic medium in the presence of a Lewis acid and, if necessary, a molecular weight regulator.

REFERENCES:
patent: 3437640 (1969-04-01), Schweitzer
patent: 3477994 (1969-11-01), Schweitzer

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