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US 5,683,955 AGranted
Thermal transfer sheet
AssigneeDai Nippon Printing Co., Ltd.
InventorsJunichi Hiroi, Haruo Takeuchi
Life of this patent
Estimating the term…
Abstract
A thermal transfer sheet including: a substrate film, a heat-transferable colorant layer provided on one side of the substrate film, and a heat-resistant slip layer, provided on the other side of the substrate film. The slip layer includes a binder resin and a reaction product between a polyisocyanate and a straight-chain aliphatic hydrocarbon with 8 or more carbon atoms having, at its one end, a group reactive with an isocyanate group.
Claims10
A thermal transfer sheet comprising:
- a substrate film;
- a heat-transferable colorant layer provided on one side of the substrate film;
- and a heat-resistant slip layer, provided on the other side of the substrate film, comprising a binder resin and a reaction product between a polyisocyanate and a straight-chain aliphatic hydrocarbon with 8 or more carbon atoms having, at its one end only, a group reactive with an isocyanate group.
Dependencies are inferred from the claim text.