초록 ▼

The present invention is directed to a photoinitiator complex having the formula (I): [Figure] wherein D+is a cationic dye moiety; R1 is a benzyl or substituted benzyl group; and R2, R3 and R4 are aryl or substituted aryl groups, wherein said photoinitiator is capable of absorbing actinic radiation

The present invention is directed to a photoinitiator complex having the formula (I): [Figure] wherein D+is a cationic dye moiety; R1 is a benzyl or substituted benzyl group; and R2, R3 and R4 are aryl or substituted aryl groups, wherein said photoinitiator is capable of absorbing actinic radiation and producing free radicals.

대표청구항 ▼

A photohardenable composition which comprises a free radical polymerizable or crosslinkable compound and a photoinitiator complex comprising a cationic dye moiety and an anionic borate moiety, said complex being represented by the formula (I): [Figure] (I) where Y1 and Y2 are the same or different a

A photohardenable composition which comprises a free radical polymerizable or crosslinkable compound and a photoinitiator complex comprising a cationic dye moiety and an anionic borate moiety, said complex being represented by the formula (I): [Figure] (I) where Y1 and Y2 are the same or different and represent an oxygen atom, a sulfur atom, a selenium atom, a vinyl group, >C(CH3)2, or >N-R7 where R7 is a short chain alkyl group; n is 0, 1, 2 or 3; z is 1 to 4; R5 and R6 represent alkyl groups; X is a hydrogen atom, an electron withdrawing group or an electron donating group; R1 is a benzyl or substituted benzyl group; and R2, R3 and R4 are aryl or substituted aryl groups, wherein said photoinitiator is capable of absorbing actinic radiation and producing free radicals which can initiate free radical polymerization or crosslinking or said polymerizable or crosslinkable compound.