申请人:Loccufier Johan
公开号:US20120046376A1
公开(公告)日:2012-02-23
A polymerizable polymeric photoinitiator according to Formula (I):
wherein:
PL represents an n+m+p-functional polymeric core;
n and m independently represent an integer from 1 to 30;
p represents an integer from 0 to 10;
o is 0 or 1;
INI represents a group selected from the group consisting of a benzophenone, a thioxanthone, a carbazole, a anthraquinone, a camphor quinone, an α-hydroxyalkylphenone, an α-aminoalkylphenone, an acylphosphine oxide, a bisacyl phosphine oxide, an acylphosphine sulfide, a phenyl glyoxalate, a benzoin ether, a benzyl ketal, an α-dialkoxyacetophenone, a carbazolyl-O-acyl-oxime, an α-haloarylketone and an α-haloaryl sulfone;
L
3
and L
4
represent a substituted or unsubstituted divalent linking group comprising 1 to 14 carbon atoms;
A represents a radically polymerizable functional group selected from the group consisting of an acrylate, a methacrylate, a styrene, an acryl amide, a methacryl amide, a maleate, a fumarate, an itaconate, an vinyl ether, an allyl ether, an allyl ester, a maleimide, a vinyl nitrile and a vinyl ester; and
R4 represents a substituted or unsubstituted alkyl group.
Radiation curable compositions containing the polymerizable polymeric photoinitiator and methods for preparing the polymerizable polymeric photoinitiator are also disclosed.
根据公式(I),提供一种可聚合的聚合物光引发剂:
其中:
PL代表n+m+p-功能的聚合物核心;
n和m分别表示1到30的整数;
p表示0到10的整数;
o为0或1;
INI代表从苯基苯酮、噻吩酮、咔唑、蒽醌、樟脑酮、α-羟基烷基苯酮、α-氨基烷基苯酮、酰基膦氧化物、双酰膦氧化物、酰基膦硫化物、苯基乙二酸酯、苯甲醚、苄基酮、α-二烷氧基苯酮、咔唑基-O-酰基-肟、α-卤代芳基酮和α-卤代芳基磺酸盐组成的群中选择的基团;
L3和L4代表含有1到14个碳原子的取代或未取代的二价连接基团;
A代表从丙烯酸酯、甲基丙烯酸酯、苯乙烯、丙烯酰胺、甲基丙烯酰胺、马来酸酯、富马酸酯、顺丁烯二酸酯、乙烯基醚、烯丙基醚、烯丙酸酯、马来酰亚胺、乙烯基腈和乙烯酸酯组成的可自由基聚合的功能基团;
R4代表取代或未取代的烷基。
还公开了含有可聚合的聚合物光引发剂的辐射固化组合物以及制备可聚合的聚合物光引发剂的方法。