Preparation of organic peroxides

Details Preparation of organic peroxides Preparation of organic peroxides

1973-12-18

1977-10-04

Helfin, Bernard

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260861, 260 42R, 260339, 560190, C07C17902, C07C17906

Patent

active

040524655

ABSTRACT:
A process for the polymerization of vinyl or vinylidene-group-containing esters in the presence of a free radical generating compound as an initiator and a metal compound as an accelerator comprising, as an initiator, an organic peroxidic composition consisting essentially of a compound having the general formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 may be the same or different and each represents hydrogen, branched or unbranched alkyl, if desired substituted by hydroxy, alkoxy, alkoxycarbonyl or halogen, aryl, if desired substituted by alkyl, hydroxy, alkoxy or halogen, or aralkyl wherein the aryl group may be substituted by alkyl, hydroxy, alkoxy or halogen, and wherein R.sub.1 together with R.sub.2, R.sub.3 together with R.sub.4, and R.sub.1 together with R.sub.4 form a branched or unbranched alkylene group, and R.sub.1 together with R.sub.2 and R.sub.3 form a branched or unbranched alkylylidene group.

REFERENCES:
patent: 3003000 (1961-10-01), Milas
patent: 3149126 (1964-09-01), Milas
patent: 3652717 (1972-03-01), Gerritsen
patent: 3668139 (1972-06-01), Daniels et al.

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