Title:
THERMAL TRANSFER SHEET
Document Type and Number:
WIPO Patent Application WO/2020/067278
Kind Code:
A1
Abstract:
The objective of the present invention is to provide a thermal transfer sheet with which it is possible to suppress printing loss on a transfer layer being transferred to, and with which it is possible to manufacture a printed object having good gloss.
In a thermal transfer sheet 100 in which a back surface layer 20 is provided on one surface of a base material 1: a transfer layer 10 is provided on the other surface of the base material 1; the transfer layer 10 has a single layer structure or a laminated structure including a protective layer 5; the back surface layer 20 contains a resin component including Si in the structure thereof; and when the thermal transfer sheet is cut to a size of 30 mm × 230 mm, 5 mm at both edges of the 230 mm width of the cut out thermal transfer sheet is fixed to a fixing base, and a rubbing test is performed by applying a load of 1.96 N to a white cotton rubbing cloth impregnated with methyl ethyl ketone and causing the same to reciprocate 100 times across a 30 mm × 220 mm region of the back surface layer, in the 220 mm width direction, with a speed of 30 reciprocations per minute, the mass reduction ratio of the thermal transfer sheet before and after the test is at most equal to 1%.
Inventors:
MATSUI HIROTO (JP)
Application Number:
PCT/JP2019/037832
Publication Date:
April 02, 2020
Filing Date:
September 26, 2019
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD (JP)
International Classes:
B41M5/382; B32B27/00; B41M5/40
Foreign References:
| JP2012187924A | 2012-10-04 | |||
| JP2011201092A | 2011-10-13 | |||
| JP2016165844A | 2016-09-15 | |||
| JP2001328359A | 2001-11-27 | |||
| JP2012153020A | 2012-08-16 | |||
| JPH0655861A | 1994-03-01 | |||
| JPH11335425A | 1999-12-07 | |||
| JP2009073102A | 2009-04-09 | |||
| JPH0699670A | 1994-04-12 | |||
| JP2002052847A | 2002-02-19 | |||
| JP2002067519A | 2002-03-08 | |||
| JPS6024995A | 1985-02-07 | |||
| JPH01214475A | 1989-08-28 | |||
| JPS62135389A | 1987-06-18 |
Attorney, Agent or Firm:
INTECT INTERNATIONAL PATENT OFFICE et al. (JP)
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