申请人:——
公开号:US20020068801A1
公开(公告)日:2002-06-06
Compounds of formulae (Ia) and (Ib)
1
wherein the substituents R
1
are each independently of the other hydrogen or methyl, R
2
is an unsubstituted C
1
-C
20
alkyl group or a C
1
-C
20
alkyl group which is substituted by one or more than one substituent selected from the group consisting of hydroxy, C
6
-C
14
aryl and halogen, an unsubstituted phenyl group or a phenyl group which is substituted by one or more than one substituent selected from the group consisting of C
1
-C
6
alkyl, hydroxy or halogen, or is a radical of formula —CH
2
—OR
3
, wherein R
3
is an unsubstituted C
1
-C
20
alkyl group or a C
1
-C
20
alkyl group which is substituted by one or more than one substituent selected from the group consisting of hydroxy, C
6
-C
14
aryl and halogen, an unsubstituted phenyl group or a phenyl group which is substituted by one or more than one substituent selected from the group consisting of C
1
-C
6
alkyl, hydroxy and halogen, or is a C
2
-C
6
alkenyl group, a C
2
-C
20
acyl group or an unsubstituted cyclohexylcarbonyl group or a cyclohexylcarbonyl group which is substituted by one or more than one substituent selected from the group consisting of C
1
-C
6
alkyl, hydroxy and halogen, Z is a group of formulae (IIa)-(IIe)
2
wherein Y is a direct bond, C
1
-C
6
alkylene, —S—, —O—, —SO—, —SO
2
— or —CO—, and R
1
is hydrogen or methyl, and wherein the aromatic and cycloaliphatic rings of formulae (IIa)-(IIe) are unsubstituted or substituted by one or more than one substituent selected from the group consisting of C
1
-C
6
alkyl, chloro and bromo, form, in conjunction with other acrylates or methacrylates, low viscosity photocurable compositions which, when fully cured, give moulded articles of excellent flexibility.
式(Ia)和(Ib)化合物
1
其中取代基 R
1
各自独立地为氢或甲基,R
2
是未取代的 C
1
-C
20
烷基或 C
1
-C
20
烷基,该烷基被一个或多个取代基取代,这些取代基选自由羟基、 C
6
-C
14
芳基和卤素组成的组中的一个或一个以上取代基所取代的烷基,未取代的苯基,或被一个或一个以上选自以下组成的组中的取代基所取代的苯基
1
-C
6
烷基、羟基或卤素组成的组中的一个或多个取代基所取代的苯基,或者是式 -CH
2
-OR
3
其中 R
3
是未取代的 C
1
-C
20
烷基或 C
1
-C
20
烷基,该烷基被一个或多个取代基取代,这些取代基选自由羟基、 C
6
-C
14
芳基和卤素组成的组中的一个或一个以上取代基所取代的烷基,未取代的苯基,或被一个或一个以上选自以下组成的组中的取代基所取代的苯基
1
-C
6
烷基、羟基和卤素组成的组中的一个或多个取代基取代的苯基,或者是 C
2
-C
6
烯基、C
2
-C
20
酰基或未取代的环己基羰基,或被一个或多个取代基取代的环己基羰基,取代基选 自以下组成的组
1
-C
6
烷基、羟基和卤素组成的组,Z 是式 (IIa)-(IIe) 的基团
2
其中 Y 是直接键,C
1
-C
6
烯、-S-、-O-、-SO-、-SO
2
- 或-CO-,以及 R
1
是氢或甲基,其中式 (IIa)-(IIe) 的芳香环和环脂环未经取代或被一个或多个取代基取代,这些取代基选 自以下组成的组 C
1
-C
6
烷基、
氯代和
溴代的取代基取代,与其他
丙烯酸酯或
甲基丙烯酸酯一起形成低粘度光固化组合物。