Heat-sensitive transfer sheet and image forming method
US8222185B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 27, 2009 |
| Grant date | Jul 17, 2012 |
| Priority date | — |
| Expiry date | Nov 4, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M2205/38
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A heat-sensitive transfer sheet at least having a polyester support, a barrier layer, a heat-sensitive transfer layer containing a dye and a binder, both layers being applied on a surface of the support in this order, and having the heat-sensitive transfer layer including yellow, magenta, and cyan heat-sensitive transfer layers, and the yellow, magenta, and cyan heat-sensitive transfer layers and a protective layer being formed in area order, wherein the barrier layer contains a polyvinylpyrrolidone and cyan heat-sensitive transfer layer contains at least one silicone oil and at least one dye represented by the following formula (C1):wherein Ar represents a substituted or unsubstituted p-phenylene group; R1 represents a substituted or unsubstituted alkyl group; R2 represents a substituted or unsubstituted acylamino group, or a substituted or unsubstituted alkoxycarbonylamino group; R3 and R4 each independently represent a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, or a substituted or unsubstituted aryl group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.