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US 11,590,786 B2Granted
Thermal transfer sheet
AssigneeDai Nippon Printing Co., Ltd.
InventorsJunko Hirokawa, Tadahiro Ishida
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Abstract
An object is to provide a thermal transfer sheet that can prevent the occurrence of layer detachment and has high transferability for preventing the occurrence of transfer defects such as delamination trace and tailing. The thermal transfer sheet of the invention is characterized in that it includes a substrate, a release layer, and a transfer layer in that order, and the release layer contains at least one of alumina and alumina hydrate, and a binder resin.
Claims10
A thermal transfer sheet, comprising:
- a substrate;
- a release layer;
- and
- a transfer layer, in that order,
- wherein the release layer contains at least one of alumina and alumina hydrate, and a binder resin,
- wherein a solid content ratio of the at least one of alumina and alumina hydrate to the binder resin (alumina or alumina hydrate/binder resin) is from 7/3 or more and 9/1 or less by mass, and
- wherein the transfer layer includes a peeling layer.
4 more elements
Dependencies are inferred from the claim text.