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Thermal transfer image receiving sheet

A technology of receiving sheet and thermal transfer printing, applied in the field of receiving sheet, can solve the problems of poor light resistance of printed matter, plasticizer bleeding, image bleeding, etc., and achieve excellent mold release, excellent light resistance, and transferability good effect

Inactive Publication Date: 2007-10-24
OJI PAPER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Both mold release and adhesive properties can be coordinated by using chlorine-based vinyl resins and cellulose derivatives as dyeable thermoplastic resins in the receiving layer, but chlorine-based vinyl resins tend to generate dioxane when they are discarded and burned Due to the shortcomings of English, it has been avoided in recent years. In addition, due to the low recording density of cellulose derivatives, it cannot adapt to the high-speed printers in recent years.
In order to increase the recording density of cellulose derivatives, it is proposed to use a plasticizer, etc., but when the printed image is stored under high temperature and high humidity, the image bleeds out, and if it is stored for a long time, the plasticizer bleeds and cannot be used. When images are recorded normally
[0004] On the other hand, as a dyeable resin with a high recording density, polyester resin has been used until now, but as a receiving layer, it is difficult to have both the mold release with the ink ribbon and the adhesiveness with the thermal transfer protective layer. , if a polyester resin with general polyvalent carboxylic acid and aromatic diol compound as the main component is used, the light resistance of the printed matter is poor, and it is not practical to receive a sheet

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0079] [Production of receiving sheet]

[0080] On both sides of high-quality paper with a thickness of 100 μm, a biaxially stretched porous multilayer stretched film mainly composed of polypropylene (trade name: ユポFPG50, ユポ・コ (manufactured by ポレレシヨン) were laminated to produce a sheet-like support. On one side of the sheet-like support, the coating amount in terms of solid content is 5 g / m 2 In this way, the following coating liquid-A for the receiving layer was applied, dried (120° C., 1 minute), and then heat-treated at 50° C. for 4 days to prepare a receiving sheet.

[0081] Coating solution for receiving layer-A

[0082] Cellulose Acetate Butyrate

[0083] (Product name: CAB551-0.01, manufactured by Istman Co., Ltd.,

[0084] The number average molecular weight is 16000) 50 parts

[0085] Polyester resin A 50 parts

[0086] silicone oil

[0087](Product name: KF393, manufactured by Shin-Etsu Chemical Co., Ltd.) 4 copies

[0088] Isocyanate compound

[0089] (Produc...

Embodiment 2

[0093] A receiving sheet was produced in the same manner as in Example 1 except that the coating liquid-B for a receiving layer was used instead of the coating liquid-A for a receiving layer.

[0094] Coating solution for receiving layer-B

[0095] Cellulose Acetate Butyrate

[0096] (Product name: CAB500-5, manufactured by Istman Co., Ltd.,

[0097] The number average molecular weight is 57000) 50 parts

[0098] Polyester resin A 50 parts

[0099] silicone oil

[0100] (Product name: KF393, manufactured by Shin-Etsu Chemical Co., Ltd.) 4 copies

[0101] Isocyanate compound

[0102] (Product name: NY-710A, manufactured by Mitsubishi Chemical Corporation) 5 parts

[0103] 100 parts of toluene

[0104] 100 parts of methyl ethyl ketone

Embodiment 3

[0106] A receiving sheet was produced in the same manner as in Example 2, except that the polyester resin B was used instead of the polyester resin A in the coating liquid-B for a receiving layer in Example 2.

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Abstract

Disclosed is a thermal transfer image receiving sheet comprising a substrate sheet and an image-receiving layer formed on at least one side of the substrate sheet and mainly containing a dyeable resin. The image-receiving layer contains a cellulose acetate butyrate and a polyester resin having a number-average molecular weight of not more than 10,000.

Description

technical field [0001] The present invention relates to a thermal transfer receiving sheet (hereinafter, also simply referred to as "receiving sheet") having an image receiving layer (hereinafter, also simply referred to as "receiving layer") mainly composed of a dyeable thermoplastic resin. In more detail, the present invention relates to a receiver sheet having releasability from a dye layer of an ink sheet (hereinafter, also simply referred to as "ink ribbon") and a transfer type with the ink ribbon even at high-speed printing. The laminated layer (hereinafter, also simply referred to as "protective layer") is also excellent in adhesiveness, has a high recording density, and is excellent in light resistance. Background technique [0002] The dye thermal transfer method is to overlap the ink ribbon and the receiver sheet, transfer the sublimable dye in the dye layer of the ink ribbon to the receiver layer of the receiver sheet by using heat supplied from a thermal head, et...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41M5/50B41M5/382B41M5/52
CPCB41M5/5236B41M5/5272B41M5/52B41M2205/32
Inventor 大西俊和内田恭子立花和幸久保直树
Owner OJI PAPER CO LTD
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