PHOTOREACTION INITIATOR, PREPARATION AND TRIARYLSULFONIUM SALT

Title:

PHOTOREACTION INITIATOR, PREPARATION AND TRIARYLSULFONIUM SALT

Document Type and Number:

Japanese Patent JPS60166690

Kind Code:

A

Abstract:

Photoinitiators are produced by introducing a halogen into a mixture of a diarylsulphide and a Lewis acid catalyst (preferably ACl3) and from 0.2 to 2 parts by weight of inert solvent (preferably dichloromethane) per part of diarylsulphide followed by an anion exchange reaction with HX, NaX or KX where X is BF4, PF6, SbF5OH, AsF6, or SbF6. The products have the formula III:- in which Ar<1> is a monovalent, and Ar<2> is a divalent, aromatic radical selected from phenyl, naphthyl, anthryl, thienyl, furanyl and pyrryl whch may be substituted by alkyl, substituted alkyl, alkoxy, cyano, acetamido or acyl groups or halogen atoms.

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Inventors:

MAIKERU ERUUTSUDO

Application Number:

JP24220484A

Publication Date:

August 29, 1985

Filing Date:

November 16, 1984

Export Citation:

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Assignee:

SERIKORU GURUUPU LTD

International Classes:

C07C381/12; C07F5/02; C07F9/02; C07F9/66; C07F9/90; C07F9/92; C08F2/00; C08F2/50; C08G59/00; C08G59/68; G03F7/029; (IPC1-7): C07F5/02; C07F9/02; C07F9/68; C07F9/90; C08F2/50; C08G59/68

Attorney, Agent or Firm:

Junnosuke Nakamura

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