GB1382367A - Transfer elements and process - Google Patents
Transfer elements and processInfo
- Publication number
- GB1382367A GB1382367A GB5130472A GB5130472A GB1382367A GB 1382367 A GB1382367 A GB 1382367A GB 5130472 A GB5130472 A GB 5130472A GB 5130472 A GB5130472 A GB 5130472A GB 1382367 A GB1382367 A GB 1382367A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pore
- porous
- coating
- layer
- forming
- 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
- B41M5/10—Duplicating or marking methods; Sheet materials for use therein by using carbon paper or the like
Landscapes
- Thermal Transfer Or Thermal Recording In General (AREA)
- Impression-Transfer Materials And Handling Thereof (AREA)
Abstract
1382367 Transfer elements COLUMBIA RIBBON & CARBON MFG CO INC 7 Nov 1972 [29 Dec 1971] 51304/72 Heading D2B A process for producing a liquid ink-releasing transfer element comprises (a) preparing a composition comprising a synthetic thermoplastic resin, a solid pore forming material, and a volatile liquid vehicle, (b) coating a thin layer of the composition onto a flexible foundation and evaporating the vehicle to form a solidified layer of the resin containing the solid pore-forming material thereon, (c) removing the solid pore-forming material from the layer to form a porous, resin layer, and (d) impregnating the porous layer with a liquid non-drying ink. In a modification, a thin intermediate bonding layer of a synthetic thermoplastic resin may be formed on the flexible foundation prior to the application of the composition referred to in (a) above. Such a bonding layer may be porous. A liquid poreforming material may also be included in the composition referred to in (a) above. In Example 1, the pore-forming coating composition comprises an ethanolic polyamide solution containing salicylic acid as the pore-forming agent. The coating composition is applied to a polyethylene terephthalate film and the ethanol is evaporated off. The coated film is then heated to 90‹C to sublime the salicylic acid, thereby forming a porous nylon-coated film. The porous coating is then impregnated with a conventional duplicating ink comprising carbon black, mineral oil, butyl stearate, and mineral spirits. In Example 2, a pore-forming coating composition comprising a vinyl chloride/vinyl acetate copolymer solution containing sodium chloride, heptane, and methyl ethyl ketone is applied to a polyethylene terephthalate film carrying a porous nylon bonding layer. The methyl ethyl ketone and heptane are evaporated off sequentially and the sodium chloride is leached out with water to produce a coating having the desired porosity. The coating is then inked as previously. In Example 3, the pore-coating composition comprises an aqueous emulsion of a polyurethane resin containing N, N'-dimethyl-N, N'-dinitroso terephthalamide as a pore-forming agent.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US21353471A | 1971-12-29 | 1971-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1382367A true GB1382367A (en) | 1975-01-29 |
Family
ID=22795472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5130472A Expired GB1382367A (en) | 1971-12-29 | 1972-11-07 | Transfer elements and process |
Country Status (3)
| Country | Link |
|---|---|
| AU (1) | AU467582B2 (en) |
| CA (2) | CA1005703A (en) |
| GB (1) | GB1382367A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115103873A (en) * | 2020-02-04 | 2022-09-23 | 元平台技术有限公司 | Templated synthesis of nanovoided polymers |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4585692A (en) * | 1984-06-15 | 1986-04-29 | International Business Machines Corp. | Aliphatic polyurethane matrix transfer medium and porous magnesium silicate filler |
-
1972
- 1972-10-26 CA CA154937A patent/CA1005703A/en not_active Expired
- 1972-11-07 GB GB5130472A patent/GB1382367A/en not_active Expired
- 1972-11-27 AU AU49313/72A patent/AU467582B2/en not_active Expired
-
1974
- 1974-09-23 CA CA154,937A patent/CA1005803A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115103873A (en) * | 2020-02-04 | 2022-09-23 | 元平台技术有限公司 | Templated synthesis of nanovoided polymers |
Also Published As
| Publication number | Publication date |
|---|---|
| CA1005703A (en) | 1977-02-22 |
| CA1005803A (en) | 1977-02-22 |
| AU467582B2 (en) | 1975-12-04 |
| AU4931372A (en) | 1974-05-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |