Thermal dye-transfer type recording sheet
US4567114A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 12, 1983 |
| Grant date | Jan 28, 1986 |
| Priority date | — |
| Expiry date | Apr 12, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31964
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A recording sheet for thermal dye-transfer type recording method, having a coating layer which is placed on a substrate, is contacted with a coloring material layer containing sublimable dye and on which the dye is transferred by heating. The coating layer includes as a pigment precipitated calcium carbonate of at least 25,000 cm.sup.2 /g specific-surface-area and as a binder saturated polyester or a mixture of saturated polyester with polyvinyl pyrrolidone. The sheet provides a clear record with superior color density.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.