Initiators and use thereof for cationic photopolymerization
AssigneesTechnische Universitaet Wien, Albert-Ludwigs-Universitaet Freiburg
InventorsRobert Liska, Daniel Bomze, Ingo Krossing, Patrick Knaack
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Abstract
The invention relates to the use of aryliodonium and/or arylsulfonium salts of the tetrakis(perfluoro-t-butyloxy)aluminate anion of the following formula (I): as cationic initiators cleavable by light and/or free radicals for polymerizing cationically polymerizable monomers.
Claims13
Diphenyliodonium-tetrakis(perfluoro-t-butyloxy)aluminate of the following formula (II):
Triphenylsulfonium-tetrakis(perfluoro-t-butyloxy)aluminate, optionally substituted with phenylthio and 4-diphenylsulfoniophenylthio, of the following formula (III):
Tris(4-((4-acetylphenyl)thio)phenyl)sulfonium-tetrakis(perfluoro-t-butyl-oxy)aluminate of the following formula (IV):
A method of polymerizing cationically polymerizable monomers comprising using aryliodonium and/or arylsulfonium salts of the tetrakis-(perfluoro-t-butyloxy)aluminate anion of the following formula (I):
- as cationic initiators cleavable by light and/or free radicals.
Dependencies are inferred from the claim text.