Bathochromic mono-and bis-acylphosphine oxides and sulfides and their use as photoinitiators
申请人:——
公开号:US20040204613A1
公开(公告)日:2004-10-14
Compounds of formula (I), wherein A is S or O; x is 0 or 1; a is SR
10
or N(R
11
)(R
12
); R
1
and R
2
are C
1
-C
24
alkyl, OR
10
, CF
3
or halogen; R
3
, R
4
and R
5
are hydrogen, C
1
-C
24
alkyl, OR
10
or halogen; or two of the radicals R
11
R
21
R
31
R
4
and/or R
9
together form C
1
-C
2
oalkylene uninterrupted or interrupted by O, S or NR
13
; R
6
, R
11
R
8
and R
9
are hydrogen, C
1
-C
24
alkyl; C
2
-C
24
alkyl which is interrupted one or more times by non-consecutive O atoms and unsubstituted or substituted by OH and/or SH, or R
6
, R
7
, R
8
and Rg are OR
10
; halogen; or phenyl unsubstituted or substituted one or more times by C-Calkyl; R
10
, R
11
and R
12
are e.g. hydrogen; X is e.g. (II), and R
2
; have one of the meanings given for R
1
and R
2
; and R
3
′, R
4
′ and Rs′ have one of the meanings given for R
3
, R
4
and R
5
; are suitable as photoinitiators, especially for irradiation with light of relatively long wavelengths.
1
式(I)的化合物,其中A为S或O;x为0或1;a为SR10或N(R11)(R12);R1和R2为C1-C24烷基,OR10,CF3或卤素;R3,R4和R5为氢,C1-C24烷基,OR10或卤素;或者R11R21R31R4和/或R9中的两个基团通过O,S或NR13中断或不中断地形成C1-C2烷基;R6,R11R8和R9为氢,C1-C24烷基;由非连续的O原子中断一次或多次并由OH和/或SH未取代或取代的C2-C24烷基,或者R6,R7,R8和Rg为OR10;卤素;或苯基未取代或取代一次或多次的C-C烷基;R10,R11和R12例如为氢;X例如为(II),并且R2具有R1和R2给出的含义之一;R3',R4'和Rs'具有R3,R4和R5给出的含义之一;适用于光引发剂,特别是对于相对较长波长的光辐射。