Printing method and printing device
JP7651966B2Active Publication Date: 2025-03-27RICOH CO LTD
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Patent Information
- Application Number
- JP2021094067
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2020-10-20
- Filing Date
- 2021-06-04
- Publication Date
- 2025-03-27
- Estimated Expiration
- 2041-06-04
AI Technical Summary
Benefits of technology
【0007】 本発明によれば、白色インクにより形成される白色画像において、被印刷物に対する高い隠蔽性が得られ、濃度むらの発生が抑制され、且つ高い耐擦過性が得られる印刷方法を提供することができる。
✦ Generated by Eureka AI based on patent content.
Abstract
To solve the problems that in the case of giving process liquid for coagulating components contained in a white ink a printed matter, and printing by using the white ink, high concealability to the printed matter can be obtained by a white image formed by the white ink, but on the other hand, density unevenness occurs in the white image, and scratch resistance of the white image is insufficient.SOLUTION: A printing method includes steps of: a process liquid giving step of giving process liquid to a printed matter; and a printing step of printing by discharging a white ink by an inkjet system. The printing method is such that: the process liquid contains a trivalent metal salt, a nonionic urethane resin and water; and the white ink contains a white pigment, a resin and water.SELECTED DRAWING: None
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