Set of inkjet inks, inkjet image forming method, and inkjet image forming apparatus
AssigneeRicoh Company, Ltd.
InventorsHiroshi Gotou, Toshiyuki Kobashi, Daisuke Ozaki, Juichi Furukawa
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Abstract
A set of inkjet inks used for forming an image by application of an ink on a cloth is provided. The set includes an ink and a pre-processing fluid. The pre-processing fluid contains water, a compound that flocculates an anionic compound, and at least one emulsified sizing agent.
Claims12
A set of inkjet inks used for forming an image by application of an ink on a cloth, the set comprising:
- an ink;
- and
- a pre-processing fluid,
- wherein the pre-processing fluid contains water, a compound that flocculates an anionic compound, and at least one emulsified sizing agent,
- wherein the at least one emulsified sizing agent is a rosin-based sizing agent or a compound represented by General formula (I) below
- wherein in General formula (I), R1 and R2 each independently represent an alkyl group containing from 12 through 22 carbon atoms,
- wherein a content of the at least one emulsified sizing agent in the pre-processing fluid expressed as a content of the sizing agent having a solid form, is 0.5% by mass or greater and 5% by mass or less.
An inkjet image forming method, for forming an image on a cloth using a set of inkjet inks including an ink and a pre-processing fluid, the inkjet image forming method comprising:
- applying the pre-processing fluid to at least a region, on which an image is to be formed, of a cloth, and
- inkjet-applying the ink to the region, to which the pre-processing fluid is applied, of the cloth obtained by the applying the pre-processing fluid,
- wherein the pre-processing fluid contains water, a compound that flocculates an anionic compound, and at least one emulsified sizing agent,
- wherein the at least one emulsified sizing agent is a rosin-based sizing agent or a compound represented by General formula (I) below,
- wherein in General formula (I), R1 and R2 each independently represent an alkyl group containing from 12 through 22 carbon atoms,
- wherein a content of the at least one emulsified sizing agent in the pre-processing fluid, expressed as a content of the sizing agent having a solid form, is 0.5% by mass or greater and 5% by mass or less.
An inkjet image forming apparatus, comprising:
- a pre-processing fluid storage unit configured to store a pre-processing fluid;
- an ink storage unit configured to store an ink;
- a pre-processing fluid applying unit configured to apply the pre-processing fluid to at least a region, on which an image is to be formed, of a cloth;
- and
- an ink applying unit configured to inkjet-apply the ink to the region, to which the pre-processing fluid is applied, of the cloth,
- wherein the pre-processing fluid contains water, a compound that flocculates an anionic compound, and at least one emulsified sizing agent,
- wherein the at least one emulsified sizing agent is a rosin-based sizing agent or a compound represented by General formula (I) below,
- wherein in General formula (I), R1 and R2 each independently represent an alkyl group containing from 12 through 22 carbon atoms,
- wherein a content of the at least one emulsified sizing agent in the pre-processing fluid expressed as a content of the sizing agent having a solid form, is 0.5% by mass or greater and 5% by mass or less.
Dependencies are inferred from the claim text.