Method for making diaryliodonium polyhalometalloid salts

Details Method for making diaryliodonium polyhalometalloid salts Method for making diaryliodonium polyhalometalloid salts

C - Chemistry, Metallurgy

07

F

260/613

C07F 9/00 (2006.01) C07C 25/18 (2006.01)

Patent

CA 1167472

RD-12500 A METHOD FOR MAKING DIARYLIODONIUM POLYHALOMETALLOID SALTS Abstract of the Disclosure A method is provided for making certain diaryliodonium salt photoinitiators, based on the initial formation of diaryl- iodonium perchlorate which is formed from a diaryliodonium bisulfate precursor. The diaryliodonium perchlorate is then reacted with a counter ion source, such as an alkali metal hexafluoro metalloid salt, to produce the desired diaryliodon- ium salt, which can be used as a photoinitiator. The iodonium salt photoinitiators made by the method of the present invention can be used to effect the cure of a variety of cationically polymerizable organic materials, such as epoxy resins.

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