申请人:AGFA Graphics NV
公开号:EP2199273A1
公开(公告)日:2010-06-23
A polymerizable photoinitiator represented by Formula (I):
and wherein
R1, R2 and R3 are independently selected from the group consisting of a hydrogen, an optionally substituted alkyl group and an optionally substituted aryl group or R1 and R3 represent the necessary atoms to form a five to eight membered ring;
p, w, y and z are all integers with y representing a value 1 to 6; p representing the sum of w and z; p representing a value of 1 to 6; w = 1 to (p-z) and z = 0 to (p-w); L represents an optionally substituted (p+y)-valent linking group comprising 1 to 14 carbon atoms;
A represents a radically polymerizable group selected from the group consisting of an acrylate group, a methacrylate group, a styrene group, an acryl amide group, a methacryl amide group, a maleate group, a fumarate group, an itaconate group, a vinyl ether group, an allyl ether group, an allyl ester group and a vinyl ester group; and
X represents a photoinitiating moiety including at least one group capable of initiating a free radical polymerization reaction upon exposure to actinic radiation. Radiation curable compositions including the polymerizable photoinitiator and methods of preparing the polymerizable photoinitiator are also disclosed.
由式 (I) 表示的可聚合光引发剂:
其中
R1、R2 和 R3 独立地选自氢、任选取代的烷基和任选取代的芳基组成的组,或 R1 和 R3 代表形成五至八分子环所需的原子;
p、w、y 和 z 均为整数,其中 y 代表 1 至 6 的值;p 代表 w 和 z 的和;p 代表 1 至 6 的值;w = 1 至 (p-z) 和 z = 0 至 (p-w);L 代表由 1 至 14 个碳原子组成的任选取代的 (p+y)- 价连接基团;
A 代表可辐射聚合的基团,选自由下列基团:丙烯酸酯基团、甲基丙烯酸 酯基团、苯乙烯基团、丙烯酰胺基团、甲基丙烯酸酰胺基团、马来酸 酯基团、富马酸酯基团、伊塔康酸酯基团、乙烯基醚基团、烯丙基醚基 团、烯丙基酯基团和乙烯基酯基团;以及
X 代表光引发基,包括至少一个在暴露于光辐射时能引发自由基聚合反应的基团。还公开了包括可聚合光引发剂的辐射固化组合物和制备可聚合光引发剂的方法。