JPH06183043A - Sublimation thermal transfer recording method - Google Patents

Abstract

PURPOSE:To allow multiple time printing while reducing cursor in image receiver by superposing the ink layer of a transferring member on the receiving layer of the image receiver and then performing thermal printing from the side of transferring member on condition that the moving speed of the image receiver/moving speed of transferring member >1. CONSTITUTION:A transfer member where an ink layer containing sublimable dye is provided on a substrate is superposed on an image receiver where a dye receiving layer is provided on a substrate comprising a laminate of a plurality of sheets bonded through adhesive layers including at least on tactifier layer or elastic adhesive layer such that the receiving layer comes into contact with the ink layer. Subsequently, thermal printing is performed from the side of transferring member on condition that the moving speed of the image receiver/moving speed of the transferring member >1. Well known sublimable dye, binder, etc., can be used for forming the ink layer and any one of thermosetting resin or thermoplastic resin can be employed in the receiving layer of the image receiver where a resin having thermal deformation temperature of 100 deg.C or above is suitably employed. N-fold mode method is employed when an image is formed using the transferring member and the image receiver.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a thermal transfer recording method,
More specifically, the present invention relates to a sublimation type thermal transfer recording method which is particularly useful for printing a large number of times and for obtaining a full-color image.

[0002]

2. Description of the Related Art Conventionally, recording methods such as an electrophotographic method, an ink jet method, and a thermal transfer method have been adopted as a means for obtaining a relatively small number of printed matter. The thermal transfer recording method is often used because of no noise.

The thermal transfer recording system is an ink sheet (transfer member)
Is a recording method in which the ink is thermally melt-transferred or sublimated and transferred to the image receptor by thermal energy controlled by an electric signal to a laser, a thermal head, or the like. The latter sublimation thermal transfer recording method has the advantage that a sublimation dye sublimates as a single molecule corresponding to thermal energy, so that a halftone can be easily obtained and the gradation can be controlled at will. Therefore, it is considered that the method is also suitable for obtaining a full-color print.

In consideration of such a point, many improvements have been proposed for the sublimation type thermal transfer recording method and for the transfer body and the image receptor used in the sublimation type thermal transfer recording method. For example,
(I) By using a transfer body having an ink layer region and a dye-receptive substance supply layer region on a substrate, recording can be performed many times well (JP-A-2-107482), (ii) after printing To obtain a glossy record by smoothing the printed surface of the printed sheet (Japanese Patent Laid-Open No. 62-132680), and (iii) the printed surface after printing is embossed to obtain a desired gloss-controlled record. Obtain (JP-A-64-36)
No. 488) (iv) The printing surface of the image receptor is heat-treated during the transfer process of each color to diffuse the dye inside the receptor layer,
It is possible to obtain a high quality multicolor image by preventing the dye from returning to the ink layer during the formation of the secondary colors and the tertiary colors (JP-A-2-23569).
No. 1) and the like.

[0005]

However, these conventional sublimation type thermal transfer recording materials or methods are used for printing many times or N times mode method (a method of printing under the condition of moving speed of image receptor / moving speed of transfer body> 1). ) To obtain a recorded image, or when attempting to perform multicolor printing, the transfer body or the image receiving body curls due to heat during image recording by the thermal head or heat treatment, and However, the inconvenience of being unable to perform smoothly was often acknowledged.
Therefore, an object of the present invention is to provide a sublimation type thermal transfer recording method in which the above-mentioned inconveniences are not observed and a high quality image can be obtained by printing a large number of times and further as a full color.

[0006]

The inventors of the present invention have studied from various angles in order to achieve the above-mentioned object, and as a result, have found that an elastic sheet is used as a base directly affected by heat or heat treatment of a thermal head. It was found that this could be done by constructing a laminate and recording. The method of the present invention has been completed based on it.

Therefore, the first sublimation type thermal transfer recording method of the present invention is one in which a transfer body having an ink layer containing a thermal sublimation dye on a substrate and a plurality of sheets are laminated via an adhesive layer and At least one of the adhesive layers is a pressure-sensitive adhesive or an elastic adhesive, and an image receptor provided with a dye-receiving layer on a substrate,
It is characterized in that the receptive layer and the ink layer are superposed so as to be in contact with each other, and heat printing is performed from the transfer body side under the condition of moving speed of the image receiving body / moving speed of the transfer body> 1.

The second of the sublimation type thermal transfer recording method of the present invention is
A transfer body in which an ink layer region having a sublimable dye and a dye receiving substance supply layer region containing a dye receiving substance are provided on a substrate, and a plurality of sheets are laminated via an adhesive layer, and the adhesive layer At least one layer of which is a pressure sensitive adhesive or an elastic adhesive, and the receptor and the ink layer region and / or
Or, overlapping so as to be in contact with the dye-receptive substance supply layer region,
A portion of the dye-receptive substance transferred onto the image-receiving body after the dye-receptive substance is transferred from the dye-receptive substance-supplying layer region on the transfer body by heating and printing from the transfer-member side. Is characterized in that a sublimable dye is transferred from the ink layer region.

The third sublimation type thermal transfer recording method of the present invention is
A plurality of sheets are laminated via an adhesive layer, and at least one of the adhesive layers is a pressure-sensitive adhesive or an elastic adhesive. A receptor having a dye-receptive layer provided on a substrate, and a sublimable dye on the substrate. A transfer body provided with an ink layer having the same is superposed so that the receiving layer and the ink layer are in contact with each other, and after heat-printing from the transfer body side, the printed portion of the image-receiving body is heat-treated. . In the third method, it is also possible to use, as the transfer member, a substrate on which an ink layer having a sublimation dye of black, in addition to yellow, magenta, cyan, or these colors, is separately provided.

The present invention will be described in more detail below. The substrate of the transfer body used in the method of the present invention is generally a film such as a condenser paper, a polyethylene film, a polystyrene film, a polysulfone film, a polyimide film or a polyamide film. Further, as the sheet constituting the substrate of the image receptor, polyethylene film, polypropylene film, polyvinyl chloride film, polyvinylidene chloride film, polyvinyl alcohol film, polyethylene terephthalate film, polycarbonate film, nylon film, polystyrene film, ethylene-vinyl acetate Copolymer film, ethylene-vinyl alcohol copolymer film, polyethylene naphthalate film, fluorinated ethylene propylene film, aromatic polyamide film, polyarylate film, polyether sulfone film,
Examples thereof include a polyetherimide film, a polyimide film, an acrylic resin film, and a plastic film such as an ionomer. The substrate is formed by laminating a plurality of films (or sheets) via an adhesive layer, and the materials of the laminated films may be the same or different. Further, each film may be a film having no void inside or a film having voids inside. The film having voids can be obtained by a method in which a resin is extruded together with a foaming agent through an orifice to form a film, a method in which fine particles are added to a resin and stretched to generate voids, and the like.
In the case of a film having voids of the film constituting the substrate, it is preferable to provide the dye receiving layer on the side of the film having voids because curl can be reduced.

The thickness of each sheet or film is 4 to 25.
It is 0 μm, preferably about 9 to 150 μm.

As the adhesive for forming the adhesive layer, any of the conventionally known adhesives can be used. For example, urea resin, melamine resin, phenol resin, epoxy resin, vinyl acetate resin, vinyl acetate-acrylic copolymer Coalescing resin,
EVA resin, acrylic resin, polyvinyl ether resin, vinyl chloride-vinyl acetate copolymer, polystyrene resin, polyester resin, polyurethane resin, polyamide resin, polychlorinated polyophylene resin, polyvinyl butyral resin , Acrylic acid ester-based copolymer, methacrylic acid ester-based copolymer, natural rubber-based,
Any adhesive such as cyanoacrylate-based or silicone-based adhesive or an adhesive obtained by adding an appropriate tackifier to these adhesives as needed can be used. If necessary, a plasticizer,
Fillers, antioxidants, etc. can also be added. Among the above-mentioned adhesives, the elastic adhesive containing the synthetic rubber or the siloxane cross-linking polymer as the main component and the above-mentioned adhesive have particularly large ability to relieve stress, and therefore are particularly preferable. Examples of the elastic adhesive containing a siloxane cross-linking polymer as a main component include a liquid polymer containing an amino group capable of reacting with epoxy, a main chain of which is polyoxypropylene and a moisture-curable silyl group, and an epoxy resin. The composition which makes it a main component can be mentioned.

There are two types of transfer bodies: a type in which an ink layer is provided on a substrate and a type in which an ink layer region and a dye-receptive substance supplying region are provided. The thickness of the above ink layer is 0.5 to 20 μm, preferably 1 to 10 μm. The ink layer is preferably formed by laminating a dye transfer contributing layer on the dye supplying layer. In this case, the thickness of the dye transfer contributing layer forming the ink layer region is generally 0.5.
It is 5 to 5 μm, preferably 0.1 to 2 μm, and the thickness of the dye supply layer is generally 0.1 to 20 μm, preferably 0.5 to 5 μm.

Known sublimable dyes and binders may be used for the dye transfer contributing layer and the dye supplying layer forming the ink layer and the ink layer region.

The sublimable dye is a dye that sublimes or vaporizes at 60 ° C. or more, and may be any dye mainly used in thermal transfer / printing such as a disperse dye or an oil-soluble dye. Specifically, for example, C ． I. Disperse Yellow 1,3
8, 9, 16, 41, 54, 60, 77, 116 etc.,
C. I. Disperse Red 1, 4, 6, 11, 15,
17, 55, 59, 60, 73, 83, etc., C.I. I. Disperse Blue 3,14,19,26,56,60,6
4, 72, 99, 108, C.I. I. Solvent Yellow 77, 116, etc., C.I. I. Solvent Red 23,2
5, 27, etc., and C.I. I. Solvent Blue 36,8
3, 105 and the like, and as anthraquinone-based or azo-based disperse dyes, SOT-Blue G, S
OT-Blue 2, SOT-Red 2G, SOT-
Red 200, SOT-Red 300, SOT-R
ed 800, SOT-Yellow 5, SOT-Y
Ellow 5G (above, Hodogaya Chemical Co., Ltd.) etc. are mentioned. These dyes can be used alone, but a mixture of several dyes can also be used.

As the binder, a thermoplastic or thermosetting resin is used, and as the resin having a relatively high glass transition point or a high softening property, for example, vinyl chloride resin, vinyl acetate resin, polyamide, polyethylene is used. , Polycarbonate, polystyrene, polypropylene, acrylic resin, phenol resin, polyester, polyurethane, epoxy resin, silicone resin, fluororesin, butyral resin, melamine resin, natural rubber, synthetic rubber, polyvinyl alcohol, cellulose resin and the like. These resins can be used in one kind, but if several kinds are mixed,
Furthermore, you may use the copolymer which has these monomers.

Further, when a glass transition temperature or a softening temperature is made different between the dye transfer contributing layer and the dye supplying layer, a resin, a natural rubber or a synthetic rubber having a glass transition temperature of 0 ° C. or lower or a softening temperature of 60 ° C. or lower is preferable. . Specifically, syndiotactic 1,2-polybutadiene (JS
R RB810, 820, 830, manufactured by Japan Synthetic Rubber Co., Ltd.); olefin copolymer and terpolymer containing acid or non-acidic acid (Dexon XEA-7, manufactured by Dexon Chemical Co.); ethylene-vinyl acetate copolymer (4000 & 400).
A, 405, 430, Allied Fibers &Plastics; P-3307 (EV150), P-2807
(EV250), manufactured by Mitsui DuPont Polychemical Co., Ltd.);
Low molecular weight polyolefin polyol and its derivative (Polytail H, HE, manufactured by Mitsubishi Kasei Co., Ltd.); Brominated epoxy resin (YDB-340, 400, 500, 60)
0, manufactured by Toto Chemical Co., Ltd .; novolac type epoxy resin (YD
CN-701, 702, 703, manufactured by Toto Chemical Co., Ltd .; thermoplastic acrylic solution (Tirenal LR1075).
1080, 1081, 1082, 1063, 1079,
Mitsubishi Rayon Co., Ltd .; thermoplastic acrylic emulsion (LX-400,450, Mitsubishi Rayon Co., Ltd.); polyethylene oxide (Alcox E-30,45, Alcox R-150,400,1000, Meisei Chemical Co., Ltd.) Caprolactone polyol (Plaxel H-
1, 4, 7, manufactured by Daicel Chemical Industries, Ltd., etc. are preferable,
In particular, polyethylene oxide and polycaprolactone polyol are practically useful, and it is preferable to use them in a mixed form with the thermoplastic resin or thermosetting resin described above. The dye content in the dye transfer contributing layer is 5 to 80.
%, Preferably 10 to 60% by weight. The content of the dye in the dye supply layer is preferably 5 to 80% by weight. 5
It is appropriate that the weight is 1 times, preferably 1.5 to 3 times.

The dye-receptive substance supply layer region containing the dye-receptive substance allows the sublimable ink layer region of the present invention to record a number of times. It must have a structure that allows the transfer of sexual substances many times. For that purpose, a dye-receptive substance having a relatively low melting point is held in a fine porous structure made of a resin having a high melting point. The dye-receptive substance having a low melting point is melted by heating with a thermal head or the like, oozes out from between the porous tissue structures, oozes out little by little on plain paper, and a large number of rotational transfers are possible. The content of the dye-receptive substance in the dye-receptive substance supply layer region is 10
˜80 wt%, preferably 30-60 wt%. The thickness of the dye-receptive substance supply layer is 1 to 50 μm, preferably 3 to 20 μm. The method for forming this dye-receptive substance supply layer is described in detail in JP-A-2-107482.

A thermosetting resin is used for the receptor layer of the image receptor.
Any thermoplastic resin can be used, but the heat distortion temperature 1
It is preferably at least 00 ° C. Especially, the heat distortion temperature is 10
A resin having a polar group in the range of 0 to 250 ° C. is preferable. Therefore, for example, it is selected from the group consisting of polycarbonate, polysulfone, acetal resin, alkyd resin, allyl resin, urea resin, melamine resin, epoxy resin, phenol resin, unsaturated polyester resin, polyurethane, polyarylate and the like. These resins can be used alone, but several kinds may be mixed or a copolymer may be used.

Some of the resin of the receiving layer has a tendency to be fused with the substance of the ink layer, the ink layer region or the dye-receptive substance supplying layer region during printing, and therefore, the fusion is prevented. Therefore, it is desirable to add a release agent to the receiving layer. Specific examples of the releasing agent include, for example, silicon compounds, fluorine compounds, higher fatty acids and their metal salts, surfactants, and the like, which are selected and used, and those having good compatibility with the dye-receiving resin are preferable. . The reason is that when the compatibility is poor, the image receiving layer becomes non-uniform and uneven transfer of the dye occurs, and as a result, a clear image cannot be obtained. The amount of the release agent used is 0.5 parts by weight or less, preferably 0.01 to 0.
5 parts by weight is suitable.

To form a receptor, a coating solution prepared by dissolving or dispersing a dye-receptive resin and a release agent, which is added as necessary, in an organic solvent or water on a substrate is applied by a wire bar coater, a gravure coater or the like. It is obtained by applying and drying. The thickness of the receiving layer is usually 0.5 to 20 μm, preferably 1 to 5 μm.

An image may be formed using these transfer member and image receiving member in the following manner. First of the present invention
In the second method, the N times mode method is adopted. In the third method of the present invention, the image is formed on the receptor by the constant velocity mode method or preferably the N-fold mode method, and then the image is heat treated. The heat treatment is preferably performed so that the surface of the heating roller is in contact with the image.

[0023]

EXAMPLES Next, the present invention will be described more specifically with reference to examples. The parts here are based on weight.

Example 1 As front and back films, a biaxially stretched multilayered calcium carbonate-containing polyolefin film (trade name: YUPO FPG80, thickness: about 80 μm, heat shrinkage:
About 0.5%, manufactured by Oji Yuka Synthetic Paper Co., Ltd., and used as a white PET film having a thickness of about 100 μm (trade name:
E20, manufactured by Toray), on both sides of a sheet-shaped support,
The laminated base material for an image receiving sheet of the present invention was prepared by laminating and sticking by a dry laminating method. An acrylic pressure-sensitive adhesive (trade name: Polythic 370-S; manufactured by Sanyo Kasei Co., Ltd.) was used to attach the support on the front surface and the film, and the thickness of the pressure-sensitive adhesive layer was about 3 μm, and the support on the back surface A polyester adhesive (trade name: S-3911; manufactured by Toagosei Kagaku Kogyo Co., Ltd.) was used for adhesion between the body and the film, and the thickness of the elastic adhesive layer was about 15 μm.

Subsequently, the following coating solution for image receiving layer was applied onto the laminated substrate with a wire bar, dried at a drying temperature of 80 ° C. for 1 minute, and then aged at 60 ° C. for 2 hours to obtain a thickness. An image receiving sheet was prepared by forming an image receiving layer having a thickness of about 3 μm. (Coating Liquid for Image Receiving Layer) Vinyl Chloride-Vinyl Acetate-Vinyl Alcohol Copolymer 15 parts (VAGH, Union Carbide Co.) Coronate L (Nippon Polyurethane Co., Ltd.) 5 parts Silicone Oil (SF8417, Toray Silicon Co.) 1.5 parts Toluene 40 parts Methyl ethyl ketone 40 parts

On the other hand, an ink layer having a thickness of about 4.5 μm was formed on an aromatic polyamide film substrate (manufactured by Toray Industries, Inc.) by using an ink layer coating solution having the following composition to prepare a transfer member. (Coating liquid for ink layer) Polyvinyl butyral resin (BX-1, manufactured by Sekisui Chemical Co., Ltd.) 10 parts Sublimation dye (Kayaset Blue 714, manufactured by Nippon Kayaku Co., Ltd.) 25 parts Coronate L (manufactured by Nippon Polyurethane Co., Ltd.) 5 parts Silicone oil (SF8417, manufactured by Torre Silicone) 1.5 parts Toluene 100 parts Methyl ethyl ketone 100 parts

Recording was performed under the following conditions using these transfer material and image receiving material. Applied power 442 mW / dot Thermal head 6 dots / mm partial grace Image receptor speed / transfer body speed = 7 Maximum applied energy 2.21 mj / dot Examine the degree of curl of the image receiving sheet after image recording, and summarize the results. The results are shown in Table 1.

Comparative Example 1 A polyester-based adhesive (trade name S-3911; manufactured by Toagosei Kagaku Kogyo Co., Ltd.) was used to bond the front and back side supports to the film, and the thickness of the elastic adhesive layer was adjusted. A laminated substrate and an image-receiving sheet were prepared in the same manner as in Example 1 except that both the front and back sides were set to about 3 μm, image recording was performed, and the degree of curl at that time was evaluated. The results are summarized in Table 1.

Example 2 [Formation of Dye Receptive Substance Supply Layer Region] Low melting point polyester resin 30 parts (Unitika, XA-7052: melting point 86 ° C.) Lanolin fatty acid oil 15 parts (OES-183, Yoshikawa Oil & Oil Company) ) Dispersant 2 parts Solvent Methyl ethyl ketone 70 parts Toluene 85 parts These mixtures are sufficiently dispersed in a ball mill for about 24 hours, then a solution having the following formulation is added, and the mixture is dispersed in a ball mill for about 1 hour to obtain a dye-receptive substance supply layer. A coating agent was prepared. Cellulose acetate butyrate 40 parts (manufactured by Eastman Kodak, CAB381-20: melting point 195-205 ° C.) solvent methyl ethyl ketone 80 parts toluene 85 parts This coating agent composition was used to form a coating having a thickness of about 7.5 μm and a width of 2 μm.
It was coated on a 10 mm polyimide film substrate (manufactured by Toray DuPont) using a wire bar and dried at 100 ° C. for 1 minute to form a dye-receptive substance supply layer region having a thickness of about 10 μm and a length of about 30 cm. [Formation of Ink Layer Region] Polyvinyl butyral resin (BX-1, manufactured by Sekisui Chemical Co., Ltd.) 10 parts Sublimation dye (Kayaset Blue 714, manufactured by Nippon Kayaku Co., Ltd.) 6 parts Solvent Toluene 100 parts Methyl ethyl ketone 100 parts Sublimation-type thermal transfer recording sheets were prepared by juxtaposing the dye-receptive substance supply layer formed on the above-mentioned polyimide film substrate with a wire bar so that the film thickness after drying was about 2 μm.

Using the sublimation type thermal transfer recording sheet provided with the dye receptive substance supplying layer region and the ink layer region in parallel and the substrate of Example 1, first, the dye receptive substance supplying layer region sheet is thermally transferred from the back surface thereof. Solid thermal transfer of the dye-receptive substance was performed by the head under the printing conditions of recording density 6 dots / mm and applied energy 1.60 mj / dot. As a result, a dye receiving layer made of a glossy resin was formed on the entire surface. Next, an applied power of 442 mW / from the back surface of the sublimable ink layer region adjacent to the solid-transferred dye receiving layer
16 steps of density steps were printed and recorded under the printing conditions of dots and maximum applied energy of 2.21 mJ / dot. As a result, a good cyan image with 16 gradations was formed on the formed dye receiving layer, and the degree of curl at that time was evaluated. The results are summarized in Table 1.

Comparative Example 2 In the same manner as in Example 2 except that the substrate of Comparative Example 1 was used,
The degree of curl at that time was evaluated. The results are summarized in Table 1
It was shown to.

Example 3 The following coating solution for image receiving layer was coated on the substrate of Example 1 with a wire bar, dried at a drying temperature of 80 ° C. for 1 minute, and then aged at 60 ° C. for 2 hours. Thickness about 3μm
The image-receiving layer was formed to form an image-receiving sheet. (Receptor layer coating liquid) Saturated copolyester resin (Vylon 200; manufactured by Toyobo Co., Ltd.) 100 parts Silicone-modified polyester resin (AY42-125; manufactured by Toray Dow Corning Silicone Co., Ltd.) 5 parts Toluene 300 parts Methyl ethyl ketone 300 parts One side , A PET film having a thickness of about 6 μm provided with a silicone cured resin film (thickness of about 1 μm) as a back layer has a thickness of about 2 after drying the coating liquid for the following ink layer (dye transfer layer).
A transfer material was prepared by coating so as to have a thickness of μm. (Coating liquid for ink layer) Polyvinyl butyral resin (BX-1; Sekisui Chemical Co., Ltd.) 10 parts Sublimation disperse dye for cyan 6 parts (Kayaset Blue 714; Nippon Kayaku Co., Ltd.) Methyl ethyl ketone 95 parts Toluene 95 parts

The obtained transfer member and the image receiving sheet are superposed so that the ink layer of the transfer member and the image receiving layer of the image receiving sheet face each other, and heating energy is applied from the back surface of the sublimation transfer recording medium with a thermal head. Image recording was carried out under different conditions. At this time, the recording density of the thermal head is 12 dots /
The recording output was 0.42 W / dot.
The obtained image was heat-rolled. The degree of curl of the image receiving sheet was increased, and the results are summarized in Table 1.

Comparative Example 3 The degree of curl at that time was examined in the same manner as in Example 3 except that the substrate of Comparative Example 1 was used. The results are summarized in Table 1
It was shown to.

Example 4 A cyan transfer member similar to that in Example 1 was prepared. Similarly, the sublimation dye in the cyan ink layer is replaced with Macrolex.
A yellow transfer member was prepared in place of Yellow 6G (manufactured by Bayex). Further, similarly, the sublimable dye in the cyan ink layer is mixed with MS Red G and Macyol.
A magenta transfer member was prepared in place of ex Red Red VioletR.

Using the obtained transfer member and the image receiving sheet of Example 3, first, a solid image having a recording density of yellow of 1.20 was recorded. After that, the image receiving layer on which the yellow image was recorded was reheated by applying energy of 3.00 mJ / dot through a polyimide film having a thickness of about 8.0 μm using a thermal head having a resolution of 6 dot / mm. After that, the image-receiving layer and the magenta transfer member were superposed on each other and 3.00 mJ / dot
Recorded at (recording density 1.40).
Is the output level). Subsequently, it was reheated as in the case of forming a yellow image. Further, a cyan transfer member was overlaid and recorded at 3.00 mJ / dot, and then reheated as in the case of forming a yellow image. The degree of curl of the imaged receiving sheet was examined and the results are summarized in Table 1.
It was shown to.

Comparative Example 4 In the same manner as in Example 4 except that the substrate of Comparative Example 1 was used,
The degree of curl at that time was examined, and the results are summarized in Table 1.
It was shown to.

[0038]

[Table 1] Note) Place the image receptor (A4 size) after recording on a flat desk with the recording surface facing up and measure the height from the flat surface to the recording surface.
The maximum value was shown.

[0039]

According to the first to fourth aspects of the present invention, printing can be performed many times, and the curl of the image receptor is small, and the thermal transfer recording operation can be performed smoothly. Further, according to the invention of claim 2, the image receptor is easier to handle, and according to the invention of claim 3, the dye can be diffused into the inside of the receptor layer, so that the image storability is good, and the invention of claim 4 According to this, a good color image can be obtained.

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁵ Identification number Reference number within the agency FI Technical indication 8305-2H 101 H (72) Inventor Chiharu Nogawa 1-3-6 Nakamagome, Ota-ku, Tokyo Stocks In Ricoh Company (72) Inventor Hiroki Kuboyama 1-3-6 Nakamagome, Ota-ku, Tokyo In Ricoh Company, Ltd.

Claims (4)

[Claims] 1. A transfer body having an ink layer containing a sublimable dye on a substrate, and a plurality of sheets laminated with an adhesive layer between them, and at least one of the adhesive layers is a pressure-sensitive adhesive or an elastic adhesive. And an image receptor having a dye-receptive layer provided on a substrate such that the receptor layer and the ink layer are in contact with each other, and under the condition of the moving speed of the image receiver / the moving speed of the transfer body> 1, Sublimation-type thermal transfer recording method characterized by printing from a substrate. 2. A transfer body having an ink layer region having a sublimable dye and a dye-receptive substance supply layer region containing a dye-receptive substance provided on a substrate, and a plurality of sheets are laminated via an adhesive layer. And at least one layer of the adhesive layer is overlapped with an image receptor which is a pressure-sensitive adhesive or an elastic adhesive so that the receptor and the ink layer region and / or the dye-receptive substance supply layer region are in contact with each other, and from the transfer body side. After printing with heat to transfer the dye-receptive substance from the dye-receptive substance supply layer region on the transfer member to the image-receptor, the ink layer is formed on the portion of the dye-receptive substance transferred onto the image receiver. A sublimation-type thermal transfer recording method characterized by transferring a sublimable dye from an area. 3. A receptor in which a plurality of sheets are laminated with an adhesive layer in between and at least one of the adhesive layers is a pressure sensitive adhesive or an elastic adhesive, and a dye receiving layer is provided on the substrate.
A transfer body provided with an ink layer having a sublimable dye on a substrate is overlaid so that the receiving layer and the ink layer are in contact with each other, and after heating and printing from the transfer body side, the printed portion of the image receiving body is heated. A sublimation-type thermal transfer recording method, which comprises processing. 4. The sublimation according to claim 3, wherein as the transfer member, a substrate on which an ink layer having a sublimation dye of black in addition to yellow, magenta, cyan, or these colors is further provided is used. Mold thermal transfer recording method.