Method for making diaryliodonium polyhalometalloid salts

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

1980-06-27

1982-05-11

Sneed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260446, 568 17, C07F 968, C07F 992, C07F 906

Patent

active

043293000

ABSTRACT:
A method is provided for making certain diaryliodonium salt photoinitiators, based on the initial formation of diaryliodonium 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 diaryliodonium 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.

REFERENCES:
patent: 3981897 (1976-09-01), Crivello
patent: 4058400 (1977-11-01), Crivello
patent: 4151175 (1979-04-01), Crivello
patent: 4219654 (1980-08-01), Crivello

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