JPS55108478A - Ink composition - Google Patents
Ink compositionInfo
- Publication number
- JPS55108478A JPS55108478A JP1571079A JP1571079A JPS55108478A JP S55108478 A JPS55108478 A JP S55108478A JP 1571079 A JP1571079 A JP 1571079A JP 1571079 A JP1571079 A JP 1571079A JP S55108478 A JPS55108478 A JP S55108478A
- Authority
- JP
- Japan
- Prior art keywords
- water
- ink composition
- dispersant
- needed
- added
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
PURPOSE: An ink composition which absorbs infrared ray and is discernable by optical character recognizer after printing, consisting of fine magnetite particles subjected to a water-repellent treatment, a dispersant, a water-soluble direct dye, and ethylene glycol.
CONSTITUTION: An ink composition contains fine magnetite particles (A) whose surfaces are subjected to a water-repellent treatment, a water-dispersant (B) for the fine particles (A), e.g., a dodecylbenzenesulfonate, polyethylene nonylphenol ether, or nonylphenoxypolyethyleneoxyethanol, 1W10pts.wt. of a water-soluble direct dye (C) showing a high absorption in visible ray region and 5W30wt% ethylene glycol or polyethylene glycol, a pH regulator (D) to be added as needed, 1W 1,000ppm of a mildewproofing agnet (E) to be added as needed, and a balance of water.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1571079A JPS55108478A (en) | 1979-02-14 | 1979-02-14 | Ink composition |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1571079A JPS55108478A (en) | 1979-02-14 | 1979-02-14 | Ink composition |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55108478A true JPS55108478A (en) | 1980-08-20 |
Family
ID=11896316
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1571079A Pending JPS55108478A (en) | 1979-02-14 | 1979-02-14 | Ink composition |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55108478A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61215670A (en) * | 1985-03-22 | 1986-09-25 | Seiko Epson Corp | Thermoplastic magnetic ink |
JPS6480594A (en) * | 1987-09-24 | 1989-03-27 | Fujimori Kogyo Co | Magnetic recording card |
JP2007256807A (en) * | 2006-03-24 | 2007-10-04 | Yamaha Corp | Keyboard device |
KR100821803B1 (en) | 2006-09-29 | 2008-04-14 | 상 브롤리 컴퍼니 리미티드 | Process and compound for producing printed design creating three-dimensional visual effect |
-
1979
- 1979-02-14 JP JP1571079A patent/JPS55108478A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61215670A (en) * | 1985-03-22 | 1986-09-25 | Seiko Epson Corp | Thermoplastic magnetic ink |
JPS6480594A (en) * | 1987-09-24 | 1989-03-27 | Fujimori Kogyo Co | Magnetic recording card |
JP2007256807A (en) * | 2006-03-24 | 2007-10-04 | Yamaha Corp | Keyboard device |
KR100821803B1 (en) | 2006-09-29 | 2008-04-14 | 상 브롤리 컴퍼니 리미티드 | Process and compound for producing printed design creating three-dimensional visual effect |
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