Coupled peroxides

Details Coupled peroxides Coupled peroxides

1973-03-16

1978-02-07

Lilling, Herbert J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

260 465R, 260 775AB, 260 775AC, 260862, 260DIG28, 260463, 526 19, 526 22, 526 57, 526193, 526213, 526214, 526215, 526220, 526223, 526346, C08F 400, C08F11208

Patent

active

040728102

ABSTRACT:
A new class of compounds: R-W-R' where R and R' are identical oxy radicals containing peroxide functions such as dialkyl or diaralkyl peroxide, peroxyketal, peroxyester, or monoperoxycarbonate, and W is a carbonyl group, or carbonyl containing group, or an alkylidene or aralkylidene group, or a phosphorus containing group.
Examples:
Di[1,3-dimethyl-3-(t-butylperoxy)butyl] carbonate;
Di[1,3-dimethyl-3-(n-butoxycarbonylperoxy)butyl] carbonate;
2,2-Bis[3,3-di(t-butylperoxy)butoxy] propane;
Di[1,3-dimethyl-3-(t-butylperoxy)butyl] ethyl phosphate.
They are free radical affording compounds useful in crosslinking of polyolefins and unsaturated polymers, and for the polymerization of vinyl monomers and diolefinic monomers.

REFERENCES:
patent: 3725455 (1973-04-01), D'Angelo et al.
patent: 3763112 (1973-10-01), Bafford

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