申请人:Matsumoto Akira
公开号:US20100136467A1
公开(公告)日:2010-06-03
Compounds of the formula (I) and (II) M
1
, M
2
and M
3
independently of one another are no bond, a direct bond, CO, O, S, SO, SO
2
or NR
14
; provided that at least one of M
1
, M
2
or M
3
is a direct bond, CO, O, S, SO, SO
2
or NR
14
; M
4
is a direct bond, CR″
3
R″
4
, CS, O, S, SO, or SO
2
; Y is S or NR
18
; R
1
for example is hydrogen, C
3
-C
8
cycloalkyl, phenyl or napthyl, both of which are optionally substituted; R
2
for example is C
1
-C
20
alkyl; R″
2
has one of the meanings given for R
2
; R
3
and R
4
are for example hydrogen, halogen, C
1
-C
20
alkyl; R′
3
, R′
4
, R″
3
and R″
4
indepedently of one another have one of the meanings given for R
3
and R
4
; and R
5
is for example hydrogen, halogen, C
1
-C
20
alkyl; provided that in the compounds of the formula (I) at least two oxime ester groups are present and provided that at least one specified substituent R
2
or R″
2
is present; exhibit an unexpectedly good performance in photopolymerization reactions.
化学式(I)和(II)的化合物中,M1、M2和M3彼此独立,可以是无键、直接键、CO、O、S、SO、SO2或NR14,但至少其中一个为直接键、CO、O、S、SO、SO2或NR14;M4为直接键、CR″3R″4、CS、O、S、SO或SO2;Y为S或NR18;R1例如为氢、C3-C8环烷基、苯基或萘基,均可选择性地取代;R2例如为C1-C20烷基;R″2具有R2给出的其中一种含义;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R3和R4给出的其中一种含义;R5例如为氢、卤素、C1-C20烷基;在化合物(I)中至少存在两个肟酯基团,并且至少存在一个指定的取代基R2或R″2;这些化合物在光聚合反应中表现出意外的良好性能。