Unsymmetrical diperoxides and processes of use in polymerizing u

Details Unsymmetrical diperoxides and processes of use in polymerizing u Unsymmetrical diperoxides and processes of use in polymerizing u

1977-01-06

1978-03-14

Brust, Joseph Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

526184, C07C17918

Patent

active

040790746

ABSTRACT:
Unsymmetrical diperoxides of the general structure: ##STR1## for example, 4-(t-butylperoxycarbonyl)-3-hexyl-6-[7-(tbutylperoxycarbonyl)heptyl] cyclohexene, are useful for polymerizing ethylenically unsaturated monomers (such as styrene). The polymerizations can be carried out at higher temperatures and in shorter times than with conventional initiator systems, without detrimental decrease in polymer molecular weight or significant change in molecular weight distribution. The unsymmetrical diperoxides are also useful as catalysts for curing unsaturated polyester resins.

REFERENCES:
sosnovsky et al., J. Org. Chem., 25 (1960), pp. 899-903.

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