申请人:ADEKA ARGUS CHEMICAL CO., Ltd.
公开号:EP0171600A1
公开(公告)日:1986-02-19
Carbazole photoinitiators for the photopolymerization of unsaturated compounds are provided, having the formulae:
wherein:
R1 and R2 are each alkyl having from one to about eighteen carbon atoms; or are taken together to form alkylene having from about two to about twelve carbon atoms;
R3 is selected from the group consisting of hydrogen; alkyl having from one to about eighteen carbon atoms; and acyl having from about two to about twelve carbon atoms;
in which R5 is selected from the group consisting of hydrogen; alkyl and alkenyl having from one to about eighteen carbon atoms; and R6 and R7 are selected from the group consisting of alkyl; hydroxyalkyl having from one to about eighteen carbon atoms; and R6 and R7 taken together to form alkylene having from about two to about twelve carbon atoms; and oxadialkylene and iminodialkylene having from four to about twenty-four carbon atoms:
Y2 is selected from the group consisting of hydrogen. halogen, and nitro;
R4 is a direct linkage (-) or alkylene having from about two to about twelve carbon atoms;
in which:
R8 is alkylene having from about two to about twelve carbon atoms;
R9 and R10 are alkyl having from one to about eighteen carbon atoms; or are taken together to form alkylene having from about two to about twelve carbon atoms.
本发明提供了用于不饱和化合物光聚合的咔唑光引发剂,其化学式为
其中
R1 和 R2 分别是具有 1 至约 18 个碳原子的烷基;或共同形成具有约 2 至约 12 个碳原子的亚烷基;
R3 选自氢、具有 1 至 18 个碳原子的烷基和具有 2 至 12 个碳原子的酰基组成的组;
其中 R5 选自由氢、具有 1 至约 18 个碳原子的烷基和烯基组成的组;R6 和 R7 选自由烷基、具有 1 至约 18 个碳原子的羟基烷基、R6 和 R7 共同形成的具有约 2 至约 12 个碳原子的亚烷基、以及具有 4 至约 24 个碳原子的氧二亚烷基和亚二亚烷基组成的组:
Y2 选自氢、卤素和硝基组成的组;
R4 是直接连接(-)或具有约 2 至约 12 个碳原子的亚烷基;
其中
R8 是具有约 2 至约 12 个碳原子的亚烷基;
R9 和 R10 是具有 1 至约 18 个碳原子的烷基;或共同形成具有约 2 至约 12 个碳原子的亚烷基。