Patent ID: 6017660
Filing Date: 2000-01-25
Classification: A61K,C08F,C09D,G03F,Y10S

Abstract:
A curable ink, comprising:a photocurable addition-polymerizable composition comprising:a) free-radically-polymerizable monomer,b) photoinitiator system, soluble in said monomer, comprising photochemically effective amounts ofi) aryliodonium salt,ii) sensitizing compound capable of absorbing light within the range of wavelengths between about 300 and about 1000 nanometers and capable of sensitizing 2-methyl-4,6-bis(trichloromethyl)-s-triazine, andiii) electron donor compound, said donor being different from said sensitizing compound wherein the oxidation potential of said donor is greater than zero and less than or equal to p-dimethoxybenzene vs. a saturated calomel electrode, and(c) pigment or dye or combinations thereof.