Title:
ULTRAVIOLET LASER PRINTING PAPER, PRINTED MATTER AND MANUFACTURING METHOD THEREFOR, PROCESSED OBJECT, AND INK COMPOSITION
Document Type and Number:
Japanese Patent JP2023169891
Kind Code:
A
Abstract:
To provide ultraviolet laser printing paper with which, when the paper is irradiated with an ultraviolet laser, printed spots having excellent printing definition at each point can be obtained, printed matter obtained as a result of irradiating the ultraviolet laser printing paper with an ultraviolet laser so that an irradiated region changes color, and a manufacturing method therefor, and an ink composition used in the manufacturing of the ultraviolet laser printing paper, and further provide a processed object formed using the ultraviolet laser printing paper or the printed matter.SOLUTION: The ultraviolet laser printing paper includes a printing layer which contains titanium oxide on a paper substrate. The content of titanium oxide in the printing layer is at least 0.1 g/m2. The size of titanium oxide crystallites in the printing layer is at least 30 nm.SELECTED DRAWING: None
Inventors:
SATO SO
ISHIKAWA YUMI
ISHIKAWA YUMI
Application Number:
JP2023097517A
Publication Date:
November 30, 2023
Filing Date:
June 14, 2023
Export Citation:
Assignee:
OJI HOLDINGS CORP
International Classes:
B32B29/00; B41M5/26; D21H19/38
Attorney, Agent or Firm:
Patent Attorney Corporation Otani Patent Office