The oxime ester compound of the present invention is represented by general formula (I) below and useful as a photopolymerization initiator. The photopolymerization initiator comprising the oxime ester compound of the present invention as an active constituent has high sensitivity and causes no concern about coloration of the resultant polymerized material or contamination of the polymerized material or apparatuses.
(In the formula, X represents a halogen atom or an alkyl group. R1, R2, and R3 each independently represent R, OR, COR, SR, CONRR', or CN, wherein R and R' each represent an alkyl group, an aryl group, an aralkyl group, or a heterocyclic group; these groups may be substituted with (a) halogen atom(s) and/or (a) heterocyclic group(s); the alkylene moiety in the alkyl or aralkyl group may be interrupted by (an) unsaturated bond(s), (an) ether bond(s), (a) thioether bond(s), or (an) ester bond(s); and R and R' may bond together to form a ring. Y1 represents an oxygen atom, a sulfur atom, or a selenium atom; A represents a heterocyclic group; m represents an integer of 0 to 4; p represents an integer of 0 to 5; and q represents 0 or 1.)
本发明的
肟酯化合物由以下通式(I)表示,可用作光聚合
引发剂。以本发明的
肟酯化合物为活性成分的光聚合
引发剂具有高灵敏度,不会导致聚合材料着色,也不会污染聚合材料或设备。
(式中,X 代表卤原子或烷基。R1、R2 和 R3 各自独立地代表 R、OR、COR、SR、CONRR'或 CN,其中 R 和 R' 各自代表烷基、芳基、芳烷基或杂环基;这些基团可被 (a) 卤素原子和/或 (a) 杂环基取代;烷基或芳烷基中的亚烷基可被(一个)不饱和键、(一个)醚键、(一个)
硫醚键或(一个)酯键打断;R 和 R' 可键合在一起形成一个环。Y1 代表氧原子、
硫原子或
硒原子;A 代表杂环基团;m 代表 0 至 4 的整数;p 代表 0 至 5 的整数;q 代表 0 或 1)。