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Invention Publication
CN102199119A 肟酯光引发剂 失效 - 权利终止

肟酯光引发剂
Abstract:
式(I)和(II)的化合物，其中M1、M2和M3彼此独立地为无键、直接键、CO、O、S、SO、SO2或NR14；条件是M1、M2或M3的至少一个为直接键、CO、O、S、SO、SO2或NR14；M4是直接键、CR″3R″4、CS、O、S、SO或SO2；Y是S或NR18；R1例如为氢、C3-C8环烷基、苯基或萘基，该苯基或萘基均任选被取代；R2例如为C1-C20烷基；R”2具有对R2给出的含义之一；R3和R4例如为氢、卤素、C1-C20烷基；R’3、R’4、R”3和R”4彼此独立地具有对R3和R4给出的含义之一；且R5是例如氢、卤素、C1-C20烷基；条件是在式(I)的化合物中，存在至少两个肟酯基团；该化合物在光聚合反应中表现出预料不到地好的性能。
Abstract(English):

The invention provides compounds of the Formula (I) and (II), wherein M1, M2 and M3 independently of one another are no bond, a direct bond, CO, O, S, SO, SO2 or NR14; provided that at least one of M1, M2 or M3 is a direct bond, CO, O, S, SO, SO2 or NR14; M4 is a direct bond, CR''3R''4, CS, O, S, SO, or SO2; Y is S or NR18; R1 for example is hydrogen, C3-C8cycloalkyl, phenyl or naphthyl, both of which are optionally substituted; R2 for example is C1-C20alkyl; R''2 has one of the meanings given for R2; R3 and R4 are for example hydrogen, halogen, C1-C20alkyl; R'3, R'4, R''3 and R''4 indepedently of one another have one of the meanings given for R3 and R4; and R5 is for example hydrogen, halogen, C1-C20alkyl; provided that in the compounds of the Formula (I) at least two oxime ester groups are present; exhibit an unexpectedly good performance in photopolymerization reactions.

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