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    • 51. 发明申请
    • PREPARATION METHOD OF COPOLYMERIZABLE PHOTOINITIATORS
    • 可共聚光敏剂的制备方法
    • US20140024840A1
    • 2014-01-23
    • US14023494
    • 2013-09-11
    • Agfa Graphics NV
    • Johan LOCCUFIER
    • C07C67/317C07C69/54C07D335/16
    • C07C69/63C07C67/14C07C67/317C07C69/54C07D335/16C07F9/3247C07F9/5337
    • An intermediate for preparing (meth)acrylated photoinitiators according to Formula (I): wherein: R1 is selected from the group consisting of hydrogen and a methyl group; A represents a group including at least one photoinitiating moiety; L represents a n+o-valent linking group including at least one carbon atom; n and o each independently represent an integer from 1 to 4; p is equal to 0 or 1; X represents a group selected from the group consisting of Cl, Br, I, and R2SO3; and R2 represents an optionally substituted group selected from the group consisting of an alkyl group, an alkenyl group, an alkynyl group, an alkaryl group, an aralkyl group, an aryl group and a heteroaryl group. Also, a method for the preparation of (meth)acrylated photoinitiators by β-elimination of HX from the intermediate according to Formula (I).
    • 用于制备根据式(I)的(甲基)丙烯酸酯化光引发剂的中间体:其中:R1选自氢和甲基; A表示包含至少一个光引发部分的基团; L表示包含至少一个碳原子的n + O价连接基团; n和o各自独立地表示1至4的整数; p等于0或1; X表示选自Cl,Br,I和R 2 SO 3的基团; R2表示选自烷基,烯基,炔基,烷芳基,芳烷基,芳基和杂芳基中的任意取代的基团。 此外,通过根据式(I)的中间体β-去除HX制备(甲基)丙烯酸酯化光引发剂的方法。
    • 52. 发明授权
    • Oxime ester photoinitiators
    • 肟酯光引发剂
    • US08524425B2
    • 2013-09-03
    • US12598481
    • 2008-04-28
    • Akira MatsumotoJunichi TanabeHisatoshi KuraMasaki Ohwa
    • Akira MatsumotoJunichi TanabeHisatoshi KuraMasaki Ohwa
    • G02B5/20G03F7/031
    • C07D409/06B33Y70/00C07D209/86C07D335/16C07D405/12C07D409/14C07D417/12
    • Compounds of the formula (I) and (II) M1, M2 and M3 independently of one another are no bond, a direct bond, CO, O, S, SO, SO2 or NR14; provided that at least one of M1, M2 or M3 is a direct bond, CO, O, S, SO, SO2 or NR14; M4 is a direct bond, CR″3R″4, CS, O, S, SO, or SO2; Y is S or NR18; R1 for example is hydrogen, C3-C8cycloalkyl, phenyl or napthyl, both of which are optionally substituted; R2 for example is C1-C20alkyl; R″2 has one of the meanings given for R2; R3 and R4 are for example hydrogen, halogen, C1-C20alkyl; R′3, R′4, R″3 and R″4 independently of one another have one of the meanings given for R3 and R4; and R5 is for example hydrogen, halogen, C1-C20alkyl; provided that in the compounds of the formula (I) at least two oxime ester groups are present and provided that at least one specified substituent R2 or R″2 is present; exhibit an unexpectedly good performance in photopolymerization reactions.
    • 式(I)和(II)M1,M2和M3彼此独立的化合物不是键,直接键,CO,O,S,SO,SO 2或NR 14; 条件是M1,M2或M3中的至少一个是直接键,CO,O,S,SO,SO 2或NR 14; M4是直接键,CR''3R''4,CS,O,S,SO或SO2; Y为S或NR18; R 1例如是氢,C 3 -C 8环烷基,苯基或萘基,它们都是任选被取代的; R 2例如是C 1 -C 20烷基; R'2具有R2中给出的含义之一; R3和R4是例如氢,卤素,C1-C20烷基; R 3,R'4,R“3和R”4彼此独立地具有R3和R4给出的含义之一; R5是例如氢,卤素,C1-C20烷基; 条件是在式(I)的化合物中存在至少两个肟酯基团,条件是存在至少一个特定的取代基R 2或R“2; 在光聚合反应中表现出出人意料的良好性能。