GB1247885A - Heat-sensitive copying material for image projection - Google Patents
Heat-sensitive copying material for image projectionInfo
- Publication number
- GB1247885A GB1247885A GB4723668A GB4723668A GB1247885A GB 1247885 A GB1247885 A GB 1247885A GB 4723668 A GB4723668 A GB 4723668A GB 4723668 A GB4723668 A GB 4723668A GB 1247885 A GB1247885 A GB 1247885A
- Authority
- GB
- United Kingdom
- Prior art keywords
- image
- film
- heat
- oct
- infrared radiation
- 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.)
- Expired
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
- B41M5/36—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using a polymeric layer, which may be particulate and which is deformed or structurally changed with modification of its' properties, e.g. of its' optical hydrophobic-hydrophilic, solubility or permeability properties
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Laminated Bodies (AREA)
- Developing Agents For Electrophotography (AREA)
- Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
Abstract
1,247,885. Thermographic processes. RICOH K.K. Oct. 4, 1968 [Oct. 5, 1967], No. 47236. Heading G2C. Image-bearing films are produced by placing a heat-shrinkable drawn thermoplastic polypropylene, polyethylene or polystyrene film containing or having on at least the surface thereof a surfaceactive agent in an amount sufficient to avoid the deposition of dust thereon, in face-to-face contact with the image-bearing surface of an original to be copied, the image being capable of absorbing infrared radiation to a substantially greater extent than is its background, and exposing the assembly to infrared radiation for a period of time sufficient to cause heat-shrinkage in the areas of the film in contact with the image. The surface active agent may be anionic, cationic, non-ionic and amphoteric, examples of each type are given. The film may have a thickness of 30 to 50Á, and the surface active agent may be applied at 0.05 to 0.05 g/m<SP>2</SP> as a coating at 0.05 to 5.0 parts by weight per 100 parts by weight of the polymer when dispersed throughout the film.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6380667 | 1967-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1247885A true GB1247885A (en) | 1971-09-29 |
Family
ID=13239969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4723668A Expired GB1247885A (en) | 1967-10-05 | 1968-10-04 | Heat-sensitive copying material for image projection |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1801286B2 (en) |
| FR (1) | FR1589505A (en) |
| GB (1) | GB1247885A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4732815A (en) * | 1984-08-20 | 1988-03-22 | Dai Nippon Insatsu Kabushiki Kaisha | Heat transfer sheet |
-
1968
- 1968-10-03 FR FR1589505D patent/FR1589505A/fr not_active Expired
- 1968-10-04 GB GB4723668A patent/GB1247885A/en not_active Expired
- 1968-10-04 DE DE19681801286 patent/DE1801286B2/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE1801286A1 (en) | 1969-10-16 |
| FR1589505A (en) | 1970-03-31 |
| DE1801286B2 (en) | 1971-12-16 |
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