US 12,275,855 B2
Printing method, printing device, printed matter, and set of processing fluid and ink
Tomohiro Hirade, Kanagawa (JP); Toshiyuki Kobashi, Tokyo (JP); and Makoto Kuronuma, Kanagawa (JP)
Assigned to Ricoh Company, Ltd., Tokyo (JP)
Filed by Tomohiro Hirade, Kanagawa (JP); Toshiyuki Kobashi, Tokyo (JP); and Makoto Kuronuma, Kanagawa (JP)
Filed on Dec. 14, 2022, as Appl. No. 18/065,787.
Claims priority of application No. 2021-205057 (JP), filed on Dec. 17, 2021; and application No. 2022-116239 (JP), filed on Jul. 21, 2022.
Prior Publication US 2023/0193065 A1, Jun. 22, 2023
Int. Cl. C09D 11/38 (2014.01); C09D 11/322 (2014.01); D06P 5/30 (2006.01)
CPC C09D 11/38 (2013.01) [C09D 11/322 (2013.01); D06P 5/30 (2013.01)] 31 Claims
OG exemplary drawing
 
1. A printing method, comprising:
applying a processing fluid to a fabric; and
applying an ink to the fabric to which the processing fluid has been applied,
wherein the ink contains a pigment, a resin having a cross-linkable functional group, a pH regulator, and at least one member selected from the group consisting of a block isocyanate compound, a carbodiimide compound, and a polymer having an oxazoline group,
wherein the pH regulator contains an amine compound having 4 to 8 carbon atoms.