Title:
THERMOCHROMIC ULTRAVIOLET-CURABLE INK COMPOSITION
Document Type and Number:
Japanese Patent JP3833322
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To obtain a thermochromic ultraviolet-curable ink compsn. which has no problem with curability and print strength and has an excellent lightfastness by incorporating thermochromic microcapsules contg. no ultraviolet absorber and having a specified average particle size and at least one photopolymn. initiator selected from among specific compds. into the same.
SOLUTION: Thermochromic microcapsules contg. no ultraviolt absorber and having an average particle size of 0.5-50μm and at least one photopolymn. initiator selected from among acetophenone compds. and benzophenone compds. are used. Pref. examples of the initiator are 2,2-dimethoxy-1, 2-diphenylethanone, p-methylthio-2-morpholino-2,2-dimethylacetophenone, and 1-hydroxycyclohexyl phenyl ketone.
Inventors:
Yosuke Kitagawa
Ryuichi Hoshikawa
Ryuichi Hoshikawa
Application Number:
JP32803096A
Publication Date:
October 11, 2006
Filing Date:
November 25, 1996
Export Citation:
Assignee:
Matsui Dye and Chemical Industry Co., Ltd.
International Classes:
B41M5/124; B41M5/337; B41M7/00; C08F2/46; C09D11/02; C09D11/037; C09D11/10; C09D11/101; C09D11/103; C09D11/104; C09D11/106; C09D11/108; C09K9/02; (IPC1-7): C09D11/02; B41M5/124; B41M7/00; C09D11/10; //C09K9/02
Domestic Patent References:
| JP7040660A | ||||
| JP5171088A | ||||
| JP5105835A | ||||
| JP5005074A | ||||
| JP4363369A |
Attorney, Agent or Firm:
Kaname Naganuma