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Title:
熱転写シート
Document Type and Number:
Japanese Patent JP7173255
Kind Code:
B2
Abstract:
To provide a thermal transfer sheet capable of accurately transferring a transfer layer on a transferee in a region to be transferred.SOLUTION: A thermal transfer sheet 20E has a base material 5, and a heat seal layer 14D having a thermal expansion region including a hollow particle having a thermal expansion on one surface thereof. The thermal expansion region expands by heating at a predetermined temperature, and the heat seal layer 14D has a laminate structure including a first heat seal layer 11, a second heat seal layer 12 and a third heat seal layer 13. The second heat seal layer 12 is arranged nearer to the base material 5 than the first heat seal layer 11, and the third heat seal layer 13 is arranged farther from the base material 5 than the first heat seal layer 11. The thermal expansion region is contained in the first heat seal layer 11, the first heat seal layer 11 has a larger degree of expansion by heating at the predetermined temperature than the second heat seal layer 12 and the third heat seal layer 13.SELECTED DRAWING: Figure 16

Inventors:
Asuka Araki
Application Number:
JP2021159164A
Publication Date:
November 16, 2022
Filing Date:
September 29, 2021
Export Citation:
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Assignee:
Dai Nippon Printing Co.,Ltd.
International Classes:
B41M5/42; B41M5/36; B41M5/382; B41M5/40
Domestic Patent References:
JP2017071217A
JP2015047697A
JP2017154435A
JP2003326865A
JP2002362068A
JP8175042A
JP8192576A
JP8175029A
JP8282135A
Foreign References:
US5001106
Attorney, Agent or Firm:
Hiromi Fujimasu
Fukamachi Keiko
Hideo Ito
Naoki Goto
Hideyuki Tateishi