Patent ID: 7374605

Claim:
An inkjet printing ink, characterized in that it consists of 0.5˜10 weight% of a reactive disperse dye and 90˜99.5 weight% of a solvent capable of dissolving said dye, wherein the reactive disperse dye is insoluble in water, has the molecular weight of up to 800, and has one or more reactive group selected from the group consisting of monochloro(1,3,5)triazine, dichloro(1,3,5)triazine, trichloro(1,3,5)triazine, vinylsulfone, sulfatoethyl sulfone, acrylamide, ethyleneimine, azide, sulfone ethyleneimine, trichloropyrimidine, monochlorodifluoropyrimidine, chlorobenzothiazole, dichloropyridazone, dichloropyridazine, dichloroquinozaline, epoxy and 3-carboxypyridiniotriazine, and the solvent is one or more organic solvent selected from the group consisting of dimethylsulfoxide, 1,3-dimethyl-2-imidazolinone, ethyl lactate, propyl lactate, formamide, 2-pyrrolidinone, N-methyl-2-pyrrolidone, N,N-dimethyl acetamide, N,N-dimethyl formamide, N-cyclohexyl pyrrolidone, N-hydroxyethyl pyrrolidone, hexamethylene phosphoramide and trichloroethylene.