Receptor layer forming resin for thermal transfer image receptor sheet and thermal transfer image receptor sheet using the same
US7691784B2 · kind B2 · utility
5Cited by
1References
3Claims
0Family size
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Key dates
| Filing date | Mar 30, 2006 |
| Grant date | Apr 6, 2010 |
| Priority date | — |
| Expiry date | Dec 27, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/664
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A main object of the present invention is to provide a receptor layer forming resin which makes it possible to obtain a receptor layer for a thermal transfer image receptor sheet having excellent dyeing property. The present invention achieves the above object by providing a receptor layer forming polyurethane resin for a thermal transfer image receptor sheet obtained by copolymerizing: a high molecular weight polyol having a number average molecular weight of 1000 or higher (A); an organic isocyanate (B); and according to need, a polyol compound having a number average molecular weight of 500 or lower (C),
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.