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US 10,647,129 B2Granted
Printing method and set of processing fluid and ink
AssigneeRicoh Company, Ltd.
InventorsAtsufumi Hanazawa, Hiroshi Gotou, Tsutomu Maekawa, Yukitaka Watarai, Koji Katsuragi, Tomohiro Nakagawa
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Abstract
A printing method includes applying a processing fluid to a recording medium and applying an ink to the recording medium, wherein the processing fluid contains a first nonionic resin including the following structure unit a-1, the first nonionic resin having a glass transition temperature of 15 degrees C. or lower, wherein the ink contains a second nonionic resin including the following structure unit a-1 and a coloring material
Claims20
A set comprising:
- a processing fluid comprising a first nonionic resin and a cationic resin, the first nonionic resin having a glass transition temperature of 15 degrees C. or lower;
- and
- an ink comprising a second nonionic resin and a coloring material,
- wherein both of the first nonionic resin and the second nonionic resin have a structure unit a-1:
- the cationic resin has a structure unit of chemical formula 1 or 2:
- wherein, X− represents an anionic counter ion and n represents 0 or an integer of from 1 to 13.
3 more elements
Dependencies are inferred from the claim text.