Termination of vinyl halide polymerization

Details Termination of vinyl halide polymerization Termination of vinyl halide polymerization

1981-05-26

1982-11-30

Henderson, C. A.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

5263442, C08F 242

Patent

active

043616836

ABSTRACT:
An improvement in the method of terminating the preparation of vinyl halide-containing polymers is disclosed. The improvement comprises injecting into the polymerization reactor at the desired level of conversion a free radical inhibitor obtained by the alkylation of p-methoxyphenol with nonene. The free radical inhibitor also functions as an antioxidant in the polymer product.

REFERENCES:
patent: 2922778 (1960-01-01), Rife
patent: 2960496 (1960-11-01), Elder
patent: 3074912 (1963-01-01), Blades
patent: 3409583 (1968-11-01), Davis
patent: 3696050 (1972-10-01), Werts
patent: 3812086 (1974-05-01), Stack
patent: 4229598 (1980-10-01), Weimer
patent: 4283514 (1981-08-01), Weimer

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