JPS5615394A - Thermosensitive paper having high-sensitivity - Google Patents
Thermosensitive paper having high-sensitivityInfo
- Publication number
- JPS5615394A JPS5615394A JP9198379A JP9198379A JPS5615394A JP S5615394 A JPS5615394 A JP S5615394A JP 9198379 A JP9198379 A JP 9198379A JP 9198379 A JP9198379 A JP 9198379A JP S5615394 A JPS5615394 A JP S5615394A
- Authority
- JP
- Japan
- Prior art keywords
- developer
- dyestuffs
- sensitizer
- precursor
- whose
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
Abstract
PURPOSE:To form the thermosensitive paper which has high-sensitivity and improved printing property, by a method wherein given ultra minute particles are used as a dyestuffs precursor in combination of a developer. CONSTITUTION:The dyestuffs precursor, whose 80% or more is 2mu or less in a particle diameter (measurement value by a coulter particle counter), is used. That is, a dispersed liquid of a dyestuffs precursor (for example, crystal violet lacton) having said particle, the developer (for example, phenol and the like), a sensitizer (for example, stearic acid amide) and an adhesive and the like are applied on a support substance for drying to produce the thermosensitive paper. It is preferable that minute particles are used in the developer, the sensitizer, and the like as well. It is effective in the geometrical improvement of sensitiveness and a printing property that the developer, whose 80% or more is 2mu or less in a particle diameter, and the sensitizer, whose 70% or more is 2mu or less in a particle diameter, are used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9198379A JPS5615394A (en) | 1979-07-19 | 1979-07-19 | Thermosensitive paper having high-sensitivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9198379A JPS5615394A (en) | 1979-07-19 | 1979-07-19 | Thermosensitive paper having high-sensitivity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5615394A true JPS5615394A (en) | 1981-02-14 |
Family
ID=14041710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9198379A Pending JPS5615394A (en) | 1979-07-19 | 1979-07-19 | Thermosensitive paper having high-sensitivity |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5615394A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5876293A (en) * | 1981-10-31 | 1983-05-09 | Nippon Kayaku Co Ltd | Dispersed composition of coloring matter for heat- sensitive paper |
| JPS5911287A (en) * | 1982-07-09 | 1984-01-20 | Mitsubishi Paper Mills Ltd | Heat-sensitive recording sheet enhanced in printing property |
| JPH02108588A (en) * | 1988-10-18 | 1990-04-20 | Mitsubishi Paper Mills Ltd | Thermal recording material |
| US5397594A (en) * | 1990-02-19 | 1995-03-14 | New Oji Paper Co., Ltd. | Process for producing heat-sensitive recording material |
-
1979
- 1979-07-19 JP JP9198379A patent/JPS5615394A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5876293A (en) * | 1981-10-31 | 1983-05-09 | Nippon Kayaku Co Ltd | Dispersed composition of coloring matter for heat- sensitive paper |
| JPH0118876B2 (en) * | 1981-10-31 | 1989-04-07 | Nippon Kayaku Kk | |
| JPS5911287A (en) * | 1982-07-09 | 1984-01-20 | Mitsubishi Paper Mills Ltd | Heat-sensitive recording sheet enhanced in printing property |
| JPH0229034B2 (en) * | 1982-07-09 | 1990-06-27 | Mitsubishi Paper Mills Ltd | |
| JPH02108588A (en) * | 1988-10-18 | 1990-04-20 | Mitsubishi Paper Mills Ltd | Thermal recording material |
| US5397594A (en) * | 1990-02-19 | 1995-03-14 | New Oji Paper Co., Ltd. | Process for producing heat-sensitive recording material |
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