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    • 2. 发明申请
    • Thioxanthone derivatives, and their use as cationic photoinitiators
    • 噻吨酮衍生物及其作为阳离子光引发剂的用途
    • US20050165126A1
    • 2005-07-28
    • US10505615
    • 2003-02-26
    • Shaun HerlihyRobert Davidson
    • Shaun HerlihyRobert Davidson
    • C07D335/16C08F2/46C08F2/50C08G59/68C08K5/45C09D11/02C09D11/10G03F7/004C07D335/10C08J3/28
    • C09D11/101B33Y70/00C07D335/16C08F2/46C08G59/687C08K5/45G03F7/0045
    • Photoinitiator compounds of formula (I): {where: A represents a direct bond or a group of formula —[O(CHR7CHR6)a]y—, —[O(CH2)bCO]y—, or —[O(CH2)bCO](y-1)—[O(CHR7CHR6)a]—, where one of R6 and R7 is hydrogen and the other is hydrogen or methyl; a is a number from 1 to 2; b is a number from 4 to 5; Q is a residue of a polyhydroxy compound having 2 to 6 hydroxy groups; x is a number greater than 1 but no greater than the number of available hydroxyl groups in Q; y is a number from 1 to 10; R1, R2, R3 and R4 are individually the same or different and each is hydrogen, hydroxy, or alkyl; or R1 and R3 are joined to form a fused ring system with the benzene rings to which they are attached; and R5 represents a direct bond, an oxygen atom or a methylene group} are useful as cationic photoinitiators, especially for use in surface coating applications, such as printing inks and varnishes, and which are intended to be cured by polymerisation initiated by radiation.
    • 式(I)的光引发剂化合物:其中:A表示直接键或式 - [O(CHR 7)CHR 6)的基团。 y - , - [O(CH 2)2 - , - CO 2 - , - 或 - [O(CH 2) (Y-1) - [O(CHR 7)CH 2 O(CH 2 CH 2) 其中R 6和R 7中的一个为氢,另一个为氢或甲基; a是从1到2的数字; b是从4到5的数字; Q是具有2至6个羟基的多羟基化合物的残基; x是大于1但不大于Q中可用羟基数的数; y是从1到10的数字; R 1,R 2,R 3和R 4分别相同或不同,各自为氢, 羟基或烷基; 或R 1和R 3连接形成稠合环系与其所连接的苯环; 和R 5表示直接键,氧原子或亚甲基}可用作阳离子光引发剂,特别是用于表面涂料应用,例如印刷油墨和清漆,并且其旨在是 通过辐射引发的聚合固化。