Process for polymerizing diolefin copolymers employing a catalys

Details Process for polymerizing diolefin copolymers employing a catalys Process for polymerizing diolefin copolymers employing a catalys

1976-06-01

1977-10-04

Lilling, Herbert J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252426, 526 94, 526208, 526228, 526230, 526340, C08F 438, C08F 200, C08F 442, C08F23600

Patent

active

040525473

ABSTRACT:
A method of producing a polymeric material comprised of polymerizing at least one unsaturated organic compound in an aqueous emulsion in the presence of a free radical generating redox catalyst comprised of a reducing component and an oxidizing component. Said oxidizing component is a composite prepared by (A) obtaining the oxidation product of reacting p-diisopropylbenzene with oxygen and (B) removing a major portion of resulting p-diisopropylbenzene hydroperoxide and unreacted monomers therefrom to effect a concentration of the remainder of the byproducts therein.

REFERENCES:
patent: 2548435 (1951-04-01), Lorand et al.
patent: 2569506 (1951-10-01), Vandenberg
patent: 2680138 (1954-06-01), Wicklatz
patent: 2932628 (1960-04-01), Uraneck et al.
patent: 3123590 (1964-03-01), Uraneck et al.
patent: 3489730 (1970-01-01), Buttar
patent: 3577376 (1971-05-01), Lanthier et al.
patent: 3607807 (1971-09-01), Huddleston

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