C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 5/02 (2006.01) C08F 2/48 (2006.01) C08F 4/52 (2006.01) C08F 299/04 (2006.01)
Patent
CA 2281860
This invention relates to .alpha.-ammonium ketones, iminium ketones or amidinium ketones in the form of their tetraaryl- or triarylalkylborate salts which can be photochemically converted into amines, imines or amidines as well as to a process for their preparation. This invention also relates to base-polymerisable or cross-linkable compositions comprising these .alpha.-ammonium ketones, iminium ketones or amidinium ketones in the form of their tetra- or triarylalkylborate salts, to a process for carrying out photochemically induced, base-catalysed reactions as well as to their use as photoinitiators for base-catalysed reactions.
L'invention concerne des cétones alpha -ammonium, des cétones d'iminium ou des cétones d'amidinium sous la forme de leurs sels de tétraaryle- ou triarylborates qui peuvent être transformés, par voie photochimique, en amines, imines ou amidines. L'invention a aussi pour objet un procédé pour leur préparation. L'invention concerne également des compositions pouvant subir une réticulation ou une polymérisation basique comprenant ces cétones alpha -ammonium, cétones d'iminium ou cétones d'amidinium sous la forme de leurs sels tétra- ou triarylalkylborate. L'invention traite aussi d'un procédé pour réaliser des réactions de catalysation basique induites par voie photochimique, ainsi que leur utilisation comme photo-initiateurs pour les réactions de catalysation basique.
Cunningham Allan Francis
Hall-Goulle Veronique
Turner Sean Colm
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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