Thermal transfer sheet
US7651976B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 2, 2005 |
| Grant date | Jan 26, 2010 |
| Priority date | — |
| Expiry date | Nov 2, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M2205/38
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
It is an object of the present invention to provide a thermal transfer sheet which has high adhesion strength of a dye layer to a base and a high reflection density, and has a good releasing property from a image-receiving sheet in printing even after being stored in the conditions of high temperatures and high humidity, and can attain adequately satisfactory printed substances having high sharpness of thermal transfer images.The present invention pertains to a thermal transfer sheet, wherein an under coat layer containing a thermoplastic resin and colloidal inorganic pigment ultrafine particles and a dye layer are formed in order on a face on one side of a base and a thermal transfer sheet, wherein an under coat layer formed by using colloidal inorganic pigment ultrafine particles and silicate or aluminum alcoholate and a dye layer are formed in order on a face on one side of a base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.