Polymerization of ethylenically unsaturated monomer with dialkyl

Details Polymerization of ethylenically unsaturated monomer with dialkyl Polymerization of ethylenically unsaturated monomer with dialkyl

1975-05-30

1976-10-05

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

260 63R, 260 74UA, 260463, 260861, 260862, 260DIG28, 526 72, 526204, 526229, 526230, 526344, 526181, C08F11402, C08F11416, C08G 200, C08G 6312

Patent

active

039843866

ABSTRACT:
Ethylenically unsaturated material susceptible to free radical polymerization, e.g., vinyl chloride monomer, is polymerized, e.g., in an aqueous medium, with an initiator system comprising, in combination, dialkyl pyrocarbonate, hydrogen peroxide, and alkaline reagent, e.g., sodium bicarbonate. The initiator system is added to the polymerization medium in amounts sufficient to polymerize the ethylenically unsaturated material.

REFERENCES:
patent: 3022281 (1962-02-01), Smith
patent: 3108093 (1963-10-01), Pajaczkowski et al.
patent: 3326958 (1967-06-01), Curtius et al.
patent: 3420807 (1969-01-01), Harrison et al.
patent: 3575945 (1971-04-01), Cantoni et al.
patent: 3580955 (1971-05-01), Bafford
patent: 3637633 (1972-01-01), Dixon et al.
patent: 3821273 (1974-06-01), D'Angelo
patent: 3857828 (1974-12-01), Sanchez
patent: R25763 (1965-04-01), Marous et al.

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