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US 12,311,689 B2Granted
Thermal transfer sheet
AssigneeDai Nippon Printing Co., Ltd.
InventorsEmi Matsuba, Mitsuhiro Oota, Hiroshi Eguchi
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Abstract
Provided is a thermal transfer sheet with low hot and cold peeling strengths. Thermal transfer sheet according to the present disclosure includes a substrate and a transfer layer, wherein the transfer layer includes at least a peeling layer, and the peeling layer contains a vinyl resin and at least one of an alcohol alkoxylate and an alcohol having 18 to 80 carbon atoms.
Claims9
A thermal transfer sheet comprising:
- a substrate;
- and
- a transfer layer,
- wherein the transfer layer comprises at least a peeling layer that is separable from the substrate,
- wherein the peeling layer contains a vinyl resin, an alcohol butoxylate and an alcohol alkoxylate as represented by the following general formula (1):
- CmH2m+1—O—(CH2CH2O)n—H (1)
- wherein m denotes an integer in the range of 25 to 60, n denotes an integer in the range of 2 to 100, and n/m is 3.0 or less.
4 more elements
A thermal transfer sheet comprising:
- a substrate;
- and
- a transfer layer,
- wherein the transfer layer comprises at least a peeling layer that is separable from the substrate,
- wherein the peeling layer contains a vinyl resin and an alcohol having 18 to 80 carbon atoms,
- wherein an amount of the alcohol having 18 to 80 carbon atoms in the peeling layer ranges from 2% to 30% by mass,
- wherein the vinyl resin is a vinyl chloride-vinyl acetate copolymer, and
- wherein the peeling layer further contains an alcohol alkoxylate as represented by the following general formula (1):
- CmH2m+1—O—(CH2CH2O)n—H (1)
- wherein m denotes an integer in the range of 25 to 60, n denotes an integer in the range of 2 to 100, and n/m is 3.0 or less.
7 more elements
Dependencies are inferred from the claim text.