14538-13-7Relevant academic research and scientific papers
Photo-polymerizable composition containing an acid salt of an indolinobenzospiropyran
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, (2008/06/13)
A photo-polymerizable composition comprising (A) a photopolymerization initiator comprising at least one inorganic or organic acid salt of an indolinobenzospiropyran represented by the following general formula (I): SPC1 wherein R1 represents an alkyl group, substituted alkyl group or a phenyl group; R2 and R3 each represents an alkyl group or a phenyl group or, when taken together, R2 and R3 form a methylene chain CH2 wherein n is an integer of 4 or 5; X represents a hydrogen atom, a nitro group, a halogen atom, a carboxy group; and Y represents one or more substituents selected from the group consisting of a hydrogen atom, a nitro group, a halogen atom, a formyl group and an alkoxy group, and (B) at least one cationically polymerizable substance.
