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US 4,543,102 AGranted
Aqueous printing inks for transfer printing containing polyvinyl alcohol and acrylate polymer
AssigneeCiba-Geigy Corporation
InventorsRaymond Defago, Rolf Bauerle
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Abstract
The invention relates to aqueous low-viscosity printing inks which, in addition to containing at least one sublimable dye suitable for transfer printing and optionally further ingredients, also contains a mixture of at least one polyvinyl alcohol and a polyacrylate and/or a styrene acrylic copolymer. Such printing inks are suitable in particular for printing supports for transfer printing on gravure printing machines.
Claims7
An aqueous printing ink having a viscosity of 10 to 300 mPas which, in addition to the aqueous base, comprises
- (a) at least one sublimable disperse dye suitable for transfer printing on polyester materials,
- (b) at least one polyvinyl alcohol, and
- (c) at least one member of the group consisting of a polyacrylate, a styrene acrylic copolymer and mixtures thereof,
- said ink being free of solid inert fillers.
1 more element
Dependencies are inferred from the claim text.