Alkyl percarbonates

Details Alkyl percarbonates Alkyl percarbonates

1983-11-03

1986-04-22

Jiles, Henry R.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbonate esters

558280, 5262305, C07C17915

Patent

active

045841420

ABSTRACT:
Organic peroxydicarbonates represented by the following graphic formula are described. ##STR1## In the formula, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are each independently selected from an alkyl group containing from 1 to 4 carbon atoms. R.sub.1 and R.sub.2 and/or R.sub.3 and R.sub.4 can participate in a cycloalkyl group having from 3 to 6 carbon atoms. The peroxydicarbonates are useful as initiators for the polymerization or copolymerization of ethylenically unsaturated monomers or the cross-linking of unsaturated polyester resins. The organic peroxydicarbonates can be used in combination with commercially available peroxydicarbonates, particularly those having a longer half-life, or with peresters, diacylperoxides and azo compounds.

REFERENCES:
patent: Re25763 (1965-04-01), Marous et al.
patent: 2370588 (1945-02-01), Strain
patent: 2843576 (1958-07-01), Dunn et al.
patent: 3720700 (1973-03-01), Norback
patent: 3799966 (1974-03-01), Sanchez
patent: 4137252 (1979-01-01), Komai et al.
Esters of Peroxycarbonic Acids, F. Strain et al., J. A. Chem. Soc. vol. 72, pp. 1254-1263, (1950).
Use of Mixed Carboxylic--Carbonic Anhydrides for Acylations on Carbon and Oxygen, D. Tarbell et al., J. Org. Chem. vol. 22, pp. 245-250, (1957).

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