Method for making certain halonium salt photoinitiators

Details Method for making certain halonium salt photoinitiators Method for making certain halonium salt photoinitiators

1975-05-02

1976-09-21

Sneed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260446, 2606065P, C07F 966

Patent

active

039818977

ABSTRACT:
A method is provided for making certain diarylhalonium salts containing Group Va metal hexafluorides useful as photoinitiators, such as diphenyliodonium hexafluoroarsonate. An intermediate diarylhalonium bisulfate is prepared. Reaction is thereafter effected between the diarylhalonium bisulfate and the source of a counterion, such as AsF.sub.6 .sup.- , in the form of the corresponding acid or salt. The halonium salt photoinitiators can be used to make UV curable compositions.

REFERENCES:
patent: 3585227 (1971-06-01), Dreyfuss
Olah et al., J.A.C.S. vol. 96, 3560-3573 (1974).
Chemical Abstracts, vol. 57, 15147 (1962).

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