Reactive anthraquinone colorant compounds and polymeric materials reacted therewith

An anthraquinone colorant compound having the formula:

• wherein L is a linking group selected from C2-C8-alkylene, —(—CH2CH2O—)n—CH2CH2— and —CH2-cyclohexylene-4-CH2—, wherein n is 1 or 2;
• and Q is a photopolymerizable group selected from the radicals having the formulae
• —COC(R3)═CH—R4, 1
• —CONHCOC(R3)═CH—R4, 2
• —CONH—C1-C6-alkylene OCOC(R3)═CH—R4, 3
• wherein
• R3 is selected from hydrogen or C1-C6-alkyl;
• R4 is selected from hydrogen;
• C1-C6-alkyl;
• 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, C2-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, aryl, or R5 and R6 may be combined to represent a —(—CH2—)3-5— radical;
• R7 is selected from hydrogen or a group selected from C1-C6-alkyl, C3-C8-alkenyl, C3-C8-cycloalkyl and aryl;
• and
• R8 is selected from hydrogen, C1-C6 alkyl and aryl.