Claims
- 1. Photopolymerizable colorant compounds having Formula I: wherein A is a mono-, di-, tri- or tetravalent anthraquinone chromophore; X is —R1—O-Q or the photopolymerizable group —CH2—C6H4-p-C(R2)=CH2; R1 is selected from C2-C8 alkylene, CH2CH2O)m-CH2CH2— and 1,4-cyclohexylenedimethylene; R2 is selected from hydrogen and C1-C6 alkyl; n is 1 to 4; m is 1-3; Q is a photopolymerizable group selected from an organic radical having the formula: —COC(R3)═CH—R4 Ia —CONHCOC(R3)═CH—R4 IIa —CONH—C1—C6-alkylene OCOC(R3)═CH-R4 IIIa wherein R3 is selected from hydrogen or C1-C6 alkyl; R4 is selected from hydrogen; C1-C6alkyl; phenyl; phenyl substituted with one or more groups selected from C1-C6 alkyl, C1-C6 alkoxy, —N(C1-C6 alkyl)2, nitro, cyano, C2-C6 alkoxycarbonyl, C1-C6 alkanoyloxy and halogen; 1-and 2-naphthyl; 1- and 2-naphthyl substituted with C1-C6 alkyl or C1-C6 alkoxy; 2- and 3-thienyl; 2- and 3-thienyl substituted with C1-C6 alkyl or halogen; 2- and 3-furyl; and 2- and 3-furyl substituted with C1-C6 alkyl; R5 and R6 are independently selected from hydrogen, C1-C6 alkyl, substituted C1-C6 alkyl; aryl; or R5 and R6 may be combined to represent a —(—OH2—)3.5-radical; R7 is selected from hydrogen or a group selected from C1-C6 alkyl, substituted C1-C6 alkyl, C3-C5 alkenyl, C3-C8 cycloalkyl and aryl; and R8 is selected from hydrogen, C1-C6 alkyl and aryl.
- 2. Photopolymerizable colorant compounds according to claim 1 wherein X is selected from —CH2CH2OQ, —CH2CH(CH3)OQ, —(CH2CH2O)1.2-CH2CH2OQ, —CH2C(CH3)2CH2OQ, and —CH2—C6H10—CH2OQ.
- 3. Photopolymerizable colorant compounds according to claim 1 wherein 0 is —COCH═CH2 or —COC(CH3)═CH2.
- 4. Photopolymerizable colorant compounds according to claim 1 wherein X is selected from _CH2—C6H4-4-C(R2)═CH2 wherein R2 is hydrogen or methyl; and —R1—O-Q wherein R1 is selected from —(OH2)2.4-, —CH2CH(CH3)—, —CH2C(CH3)2CH2—, —(CH2CH2O—)1-2CH2CH2—, —CH2CH(OH)CH2—, and OH2—C6H10-4-CH2—; and 0 is selected from —COC(R3)═CH2 wherein R3 is hydrogen or methyl; or —CONHC(CH3)2—O6H4-4-O(OH3)═OH2.
- 5. Process for the preparation of the photopolymerizable colorants defined in claim 1 having Formula I wherein X is a p-vinylbenzyl radical having the formula —CH2—C6H4-p-C(R2)═CH2 which comprises reacting colored acidic compounds having the structure:A&Parenopenst;CO2—H)n with a compound having the structure ClCH2—C6H4-p-C(R2)═CH2 in the presence of base.
- 6. Process for the preparation of the colored photopolymerizable compounds defined in claim 1 wherein X is —CH2CH2—O-Q or —CH2CH(CH3)—O-Q, which comprises the steps of:(a) reacting colored acidic compounds having the structure: with at least about n molecular equivalents of ethylene or propylene carbonate for each molecular equivalent of acidic compounds to produce the 2-hydroxyalkyl derivatives of said acidic compounds; (b) reacting said colored 2-hydroxyalkyl derivatives with about n molecular equivalents of one or more acylating agents having the structures: ClCOC(R3)═CH—R4 or O[COC(R3)═CH—R4]2, Ib O═C═N—COC(R3)═CH—R4, IIb O═C═N—C1-C6 alkylene OCOC(R3)═CH—R4, IIIb
CROSS REFERENCE TO RELATED APPLICATION
This application claims the benefit of U.S. Provisional Application Ser. No. 60/223,521, filed Aug. 7, 2000.
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Provisional Applications (1)
|
Number |
Date |
Country |
|
60/223521 |
Aug 2000 |
US |