Patent ID: 7300747

Claim:
A photobase generator represented by the following formula 1: wherein Ar is phenyl, biphenyl, naphthyl or 4-(phenylthio)phenyl, each being optionally substituted with one or more substituents selected from the group consisting of C 1 -C 18 alkyl, C 3 -C 18 alkenyl, C 3 -C 18 alkynyl, C 1 -C 18 haloalkyl, NO 2 , OH, CN, OR 1 , SR 2 , C(═O)R 3 , C(═O)OR 4 and halogen wherein R 1 , R 2 , R 3 and R 4 are each hydrogen or C 1 -C 18 alkyl; R is hydrogen or C 1 -C 18 alkyl; -A + is an ammonium ion group selected from the group consisting of wherein L is 1 or 0, and R 5 is C 1 -C 5 alkyl; and X − is an anion selected from the group consisting of borate anion, N,N-dimethyldithiocarbamate anion, N,N-dimethylcarbamate anion, thiocyanate anion and cyanate anion.