Photopolymerizable mixtures and processes for the photopolymeriz

Details Photopolymerizable mixtures and processes for the photopolymeriz Photopolymerizable mixtures and processes for the photopolymeriz

1983-08-26

1985-12-24

Bleutge, John C.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

528 89, 528 91, 528 92, 20415911, C08F 250, C08J 328, C08G 5968, C08G 5972

Patent

active

045607095

ABSTRACT:
Cationically polymerizable compounds, for example epoxide compounds, can be polymerized photochemically using a catalyst combination consisting of an aromatic iodonium salt and a ketone of the formula I, II or III ##STR1## in which n is 1 or 2 and Ar, X, X', R.sup.1, R.sup.2 and R.sup.3 are as defined in claim 1. In this combination, the ketones act as a co-catalyst and drastically accelerate the photopolymerization, although they are not able to initiate a cationic photopolymerization on their own.

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