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US 4,969,951 AGranted
Cloth jet printing method using aqueous ink having hydroxyl or amino-reactive disperse dye
AssigneeCanon Kabushiki Kaisha
InventorsShoji Koike, Kazuo Iwata
Life of this patent
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Abstract
A liquid composition for ink jet printing is provided which comprises a reactive disperse dye dispersed or dissolved in an aqueous liquid medium. An ink jet printing method is also provided which includes imparting the above-mentioned liquid composition onto a cloth according to an ink jet system and fixing of the dye on the cloth.
Claims9
An ink jet printing method comprising the steps of:
- applying a liquid composition onto a mixed woven or non-woven fabric of a reactive fiber and a non-reactive fiber according to an ink jet system;
- and then subjecting the fabric to a dye fixing treatment, said liquid composition consisting essentially of a dye which is dispersed or dissolved in an aqueous liquid medium, said dye comprising (i) neither sulfonic acid nor carboxylic groups, and (ii) at least one of the groups selected from ethyleneimine, azide, sulfonethyleneimine, dichlorotriazine, monochlorotriazine, trichloropyrimidine, monochlorodifluoropyrimidine, chlorobenzothiazole, dichloropyridazone, dichloropyridazine, dichloroguinoxaline, epoxy, 3-carboxypyridiniotriazine, -SO.sub.2 CH.sub.2 CH.sub.2 OSO.sub.3 H, -SO.sub.2 NHCH.sub.2 CH.sub.2 OSO.sub.3 H, -NHCH.sub.2 CH.sub.2 OSO.sub.3 H, -NHCOCH.sub.2 CH.sub.2 Cl, -NHCOCH.dbd.CH.sub.2,-SO.sub.2 CH.dbd.CH.sub.2, -CH.sub.2 NHCOCCl.dbd.CH.sub.2,NHCH.sub.2 OH, -PO.sub.3 H.sub.2, -SO.sub.2 CH.sub.2 CH.sub.2 OCOCH.sub.3 and -SO.sub.2 CH.sub.2 CH.sub.2 OCOOC.sub.4 H.sub.9.
An ink jet printing method according to claim 11, wherein the liquid composition has a viscosity of 50 cps or less at 25.degree. C.
Dependencies are inferred from the claim text.