Invention Grant
- Patent Title: Heat-sensitive recording material
- Patent Title (中): 热敏记录材料
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Application No.: US13248519Application Date: 2011-09-29
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Publication No.: US08193116B2Publication Date: 2012-06-05
- Inventor: Motoi Orihara , Norihiko Inaba
- Applicant: Motoi Orihara , Norihiko Inaba
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Ltd.
- Current Assignee: Ricoh Company, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Cooper & Dunham LLP
- Priority: JP2007-071256 20070319
- Main IPC: B41M5/42
- IPC: B41M5/42

Abstract:
To provide a heat-sensitive recording material including a substrate; a heat-sensitive color-developing layer over the substrate, the heat-sensitive color-developing layer containing a leuco dye and a developer; a first protective layer over the heat-sensitive color-developing layer, the first protective layer containing a water-soluble resin and a crosslinking agent; and a second protective layer over the first protective layer, the second protective layer containing a water-soluble resin, a crosslinking agent and a pigment, wherein the heat-sensitive color-developing layer, the first protective layer and the second protective layer are formed simultaneously by curtain coating method, and the second protective layer contains diacetone-modified polyvinyl alcohol and acrylic resin or maleic acid copolymer resin.
Public/Granted literature
- US20120021900A1 HEAT-SENSITIVE RECORDING MATERIAL Public/Granted day:2012-01-26
Information query
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