Vinyl chloride polymerization using selected amounts of air, oxy

Details Vinyl chloride polymerization using selected amounts of air, oxy Vinyl chloride polymerization using selected amounts of air, oxy

1973-04-30

1978-08-29

Henderson, Jr., Christopher A.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526200, 5263442, 526909, C08F 432, C08F 428, C08F 1406

Patent

active

041105273

ABSTRACT:
An improved method for preparing polyvinyl chloride resins by suspension polymerization wherein the reaction vessel is placed under a limited, selected atmosphere of air, oxygen or nitrogen gas prior to charging starting vinyl chloride monomer material.

REFERENCES:
patent: 2498226 (1950-02-01), Sully
patent: 3538061 (1970-11-01), Van Gaver
patent: 3661867 (1972-05-01), Koyanagi
patent: 3663520 (1972-05-01), Balwe
patent: 3766159 (1973-10-01), Koyanagi

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