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US 2020/0039272 A1Published application
Thermal transfer recording medium
AssigneeToppan Printing Co., Ltd.
InventorGodai FUKUNAGA
Life of this patent
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Abstract
A thermal transfer recording medium comprises a heat-resistant lubricating layer laminated on a first surface of a substrate, and an undercoat layer and a dye layer laminated in this order on a second surface of the substrate. The dye layer contains, as binders, a polyvinyl acetal resin, a phenoxy resin, and a graft copolymer having a main chain comprising polycarbonate and a side chain comprising a vinyl-based polymer, and also contains Compounds I, II, and III as cyan dyes.
Claims2
A thermal transfer recording medium, comprising:
- a heat-resistant lubricating layer laminated on a first surface of a substrate, and an undercoat layer and a dye layer laminated in this order on a second surface of the substrate, wherein
- the dye layer contains, as binders, a polyvinyl acetal resin, a phenoxy resin, and a graft copolymer having a main chain comprising polycarbonate and a side chain comprising a vinyl-based polymer, and also contains, as cyan dyes, Compounds I, II, and III represented by the following chemical formulas:
Dependencies are inferred from the claim text.