Patent ID: 11947259
Assignee: IGM (ANQING) HIGH TECHNOLOGY DEVELOPMENT CO., LTD.
Field: Optics (Instruments)
Classification: CPC G  C | IPC C  G

Claim 0:
1. A photoinitiator composition comprising a sensitizing agent and a carbazolyl oxime ester, wherein the sensitizing agent is selected from the group consisting of acylcarbazole derivatives of formula I, acyl benzocarbazole derivatives of formula II-A, II-B or II-C, acyl dibenzocarbazole derivatives of formula II-D or II-E, and bicyclic carbazole derivatives of formula II-F, II-G or II-H, and wherein the carbazolyl oxime ester is selected from the group consisting of compounds of formulas III and IV-A to IV-E:, , wherein,
R1, R2, R4, R5, R7, R8, R24, R25, R27, R28, R34, R35, R37, R38, R41, R42, R44, R45, R47, R48, R54, R55, R61, R62, R67, R68, R102-R108, R112, R114, R115, R117, R118, R121, R122 and R124-R127 are each independently selected from the group consisting of H, halogen, C1-C8 alkyl, C1-C8 alkoxy, and CN;
R11, R12, R14, R15, R17, R18, R71, R72, R74, R75, R84, R85, R87, R88, R91, R92, R94, R97 and R98 are each independently selected from the group consisting of H, C1-C8 alkyl, C1-C8 alkoxy, halogen, CN and NO2;
R6, R26, R36, R46, R56, R66, R106 and R116 each independently selected from the group consisting of H, halogen, CN, C1-C8 alkyl, C1-C12 alkyl acyl, C5-C6 substituted C1-C3 alkyl acyl, C6-C20 aroyl, C4-C20 heteroaryl acyl,, , or wherein the above groups can optionally be connected with other adjacent substituents together with the parent structure to form a five-membered to seven-membered ring; wherein the C6-C20 aroyl and the C4-C20 heteroaryl acyl are independently substituted by substituents selected from the group consisting of H, halogen, R40, OR50, SR50, NR51R52, COOR50 and CONR51R52;
R9, R29, R39, R49, R59, R69, R19, R79, R89 and R99 are each independently selected from the group consisting of C1-C12 straight or branched alkyl, C2-C12 alkenyl, C3-C12 alkenyl alkyl, with hydrogen atoms on the carbon atoms being unsubstituted or substituted by one or more groups selected from the group consisting of: phenyl, C5-C6 cycloalkyl, C3-C6 heterocyclic group, halogen, COOR20, OR20, SR20, PO(OCnH2n+1)2, and Si(CnH2n+1)3, and wherein n is an integer from 1 to 4;
or R9, R29, R39, R49, R59, R69, R19, R79, R89 and R99 are each independently selected from the group consisting of C3-C12 alkyl and C3-C12 alkenyl alkyl, with its alkyl chain being interrupted by one or more groups selected from the group consisting of O, S, SO, SO2, CO and COO;
or R9, R29, R39, R49, R59, R69, R19, R79, R89 and R99 are each independently selected from the group consisting of C2-C12 alkylene and double bond-containing C4-C12 alkylene, wherein groups connected with the terminal of the C2-C12 alkylene and the double bond-containing C4-C12 alkylene have the same definition as the groups originally connected with R9, R29, R39, R49, R59, R69, R19, R79, R89 and R99;
or R9, R29, R39, R49, R59, R69, R19, R79, R89 and R99 are each independently phenyl unsubstituted or substituted by one or more groups selected from the group consisting of: C1-C8 alkyl, halogen, OR20, SR20, COR30, CN, COOH and, R16, R76, R86, R96, R116 are each independently selected from the group consisting of C6-C20 aroyl, C4-C10 heteroaryl acyl, NO2, 4,5-diphenylimidazol-2yl; and when R16, R76, R86, R96 and R116 are each independently selected from the group consisting of C6-C20 aroyl or C4-C10 heteroaryl acyl, substituents at ortho-position of the acyl on the aromatic ring or heteroaromatic ring can be optionally connected with the carbazole ring;
R13, R73, R83, R93 and R113 are each independently selected from the group consisting of C1-C8 alkyl, and C1-C3 alkyl substituted by C5-C6 cycloalkyl or phenyl at terminal thereof, or the above-mentioned alkyl can optionally form a ring together with carbon or substituents on the carbon on an adjacent parent ring; provided that R16, R76, R86 and R96 on the same molecule are each independently selected from C6-C20 aroyl or C4-C20 heteroaroyl group;
or R13, R73, R83 and R93 are each independently selected from the group consisting of C6-C20 aryl, C6-C20 aroyl and C4-C20 heteroaroyl, provided that R16, R76, R86 and R96 on the same molecule are each independently selected from the group consisting of C6-C20 aroyl, C4-C20 heteroaryl acyl, NO2 and 4,5-diphenylimidazol-2-yl, R10, R70, R80, R90, R110, R120 and R130 are each independently selected from C1-C12 alkyl and C6-C20 aryl;
Ar1, Ar2, Ar3, Ar4, Ar5, Ar6, Ar7 and Ar8 are each independently selected from C6-C20 aroyl and C4-C20 heteroaroyl, wherein ortho-position of acyl on Ar1, Ar2 and Ar5 can be optionally connected to a carbazole ring via O atom or S atom;
Y is straight or branched C1-C3 alkylene;
m=0 or 1;
substituents on all the above C6-C20 aryl and C4-C20 heteroaryl comprise H, halogen, CN, R40, OR50, SR50, NR51R52, COOR50 and CONR51R52;
R20 and R30 are each independently selected from the group consisting of H, C1-C8 alkyl, C1-C8 alkyl substituted by one or more groups selected from halogen and C5-C6 cycloalkyl, phenyl, phenyl substituted by one or more halogen, and C1-C4 alkyl acyl;
R40 and R50 are each independently selected from the group consisting of C1-C8 alkyl, C1-C8 alkyl substituted by one or more groups selected from F, Cl and hydroxyl, C3-C8 alkyl interrupted by one or more oxygen atoms and substituted by hydroxyl and acetoxy, a five-membered or six-membered ring containing one or two of heteroatoms selected from O, S and N, phenyl, and C1-C4 alkylphenyl;
R51 and R52 are each independently selected from the group consisting of C1-C4 alkyl, and hydroxyl substituted C1-C4 alkyl;
or NR51R52 is a ring structure selected from the group consisting of,