JPS60220792A - Transfer type thermal recording system - Google Patents

Abstract

PURPOSE:To obtain good-density recorded picture by combining a transfer medium having a colorant layer containing non-sublimable particles with a picture receiver having a developer layer composed of an inorganic fine particle, a dyeable binder and a binder insoluble in the dyeable binder. CONSTITUTION:In a transfer medium 1, a lubricating heat-resistant layer 3 is provided on one side of a base material 2, and a dye layer 4 composed of a sublimable dye and a binder, and a colorant layer composed of a non-sublimable particle 5 projected from the dye layer face (l) are provided on the other side of the base material 2. A picture receiver 6 consists of a base material 8 and a developer layer 9 composed of an inorganic particle 10 (e.g., of silica) and two kinds of binders 11 and 11' which are incompatible with each other. The binder 11 is a dyeable resin (e.g., polyester, polyamide, etc.), and the binder 11' is a hydrocarbon resin, a fluoro resin, etc. When the medium 1 and the picture receiver 6 are overlapped on each other and heated, dye sublimated from the dye layer 4 easily reaches the coloring points 13 through micro apertures 15 among the binders 11 and 11', and is colored there.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a transfer type thermal recording method for obtaining a record by transferring dye on a transfer member to an image receptor by applying heat.

Conventional Structure and Problems Full-color transfer bodies containing sublimable dyes that can be applied to high-speed recording have been known. However, images recorded using these methods suffer from disturbances in image quality, particularly in the intermediate tone area. The main causes of this are dropouts in the recording in areas where energy is applied and dye sublimation or scattering (noise) in areas where energy is not applied.

In addition, the transfer substrate made of an inexpensive and homogeneous film used to obtain a homogeneous image, especially when a thermal head is used as a recording means, is fused due to the high degree of roughness generated by the head, causing the surface of the head to become fused. I was unable to drive stably.

On the other hand, an image receptor that forms an image by selectively heating the dye on the transfer body according to an image signal uses paper with uneven thickness made from pulp as an image-receiving substrate, and Because the developing layer is made of inorganic fine particles and a dye-dyeable binder such as polyester, the quality of the halftone image is not smooth, and images with high recording density cannot be obtained. It had poor stability including light resistance.

Purpose of the Invention The present invention provides a transfer-type thermal recording method that reduces dropouts and noise, especially in the intermediate tone area, and provides stable and good recorded image quality and recording density by running the thermal head stably. The purpose is to provide.

Structure of the Invention The present invention provides a lubricating heat-resistant layer consisting of fine particles, a liquid lubricating substance, and a polymer substance on one side of a substrate, and contains a sublimable dye, non-sublimable particles, and a binder on the other side, A transfer body provided with a coloring material layer in which some of the non-sublimable particles protrude from the reference plane formed by the sublimable dye layer, inorganic fine particles, a dye-dyeable binder such as polyester, and this binder. An image receptor having a color developing layer on its surface consisting of a binder incompatible with The image is then heated to form an image on the image receptor.

According to the present invention, the heat resistance of the lubricating heat-resistant layer in contact with a thermal recording means such as a thermal head of the transfer substrate is improved by the heat-resistant resin, the surface is roughened by the fine particles, and the liquid lubricant substance is smoothed by the heat-resistant resin. Since a small amount of the heat-resistant layer flows out from the side of the heat-resistant layer 3, stable running properties of the transfer substrate can be imparted. In addition, due to the presence of non-sublimable particles in the coloring material layer that act as spacers, the dye surface and the image receptor surface on which the image is recorded are not subjected to more than necessary pressing force, which reduces noise in the intermediate tone range. can be reduced. Furthermore, by using homogeneous synthetic paper with no uneven thickness and forming a color developing layer with the above-mentioned structure on top of this, the adsorption of dyes is increased, making it possible to achieve good hue and high recording density, as well as to improve light resistance. Stable images including sex can be changed. Furthermore, noise and dropout in intermediate tones are small, recording density and one hue are good, and stable image quality close to that of silver halide photography can be obtained.

Description of Examples The transfer body 1 shown in FIGS. 1 and 2 includes a base film 2 and a base body 2.
It consists of a slippery heat-resistant layer 3 formed on one surface of the substrate 2, and a coloring material layer formed on the other surface of the substrate 2. The non-sublimable particles 6 are provided so as to protrude from the surface a.

Among the radius r = 200 μm from each point on the cross section 5a of the non-sublimable particles 5 in the reference circulation made by the sublimable dye, other non-sublimable particles exist somewhere in the area surrounded by a circle with a radius of 20 μm. In some cases, it has a significant effect.

Furthermore, as shown in FIG. 1, the height h of the non-sublimable particles 3 from the reference run-in of the sublimable dye layer 2 is 0.1 to 100 μm.
Good results are shown when the thickness is within the range of 1 μm×h×10 μm, which has particularly excellent effects. That is, the appropriate particle size of the particles 5 is 0.1 to 100 μm, especially 1 to 100 μm.
It is 10 μm.

In the present invention, the non-sublimable particles do not necessarily need to be exposed beyond the sublimable dye layer, and as shown by the broken line in FIG. 3, the non-sublimable particles 5 are covered with the sublimable dye layer 4'. It is okay to be In this case, the reference plane Q becomes as shown in the figure. Even in this case, the effect of the non-sublimable particles described later is not impaired at all.

1. Non-sublimable particles like those shown in Figure 4 (distinguished by the broken line in Figure d are considered as two particles).Three or more protrusions are also considered in the same way.

The effect of non-sublimable particles is not limited only when they are present in the substrate, but also when they partially penetrate into the substrate.

Next, to explain the effect of non-sublimable particles using the recording example shown in FIG. 6 using a thermal head, the sublimable dye layer 4 and the image receptor 6
When the dye layer 4 and the image receptor 6 are heated by the thermal head 7 placed on the side of the slippery heat-resistant layer 3, the particles 6 prevent the dye layer 4 from coming into direct contact with the image receptor 6, so there is no transfer of the dye due to pressure or melting. Dye transfers only by sublimation or vaporization, giving a good transparent image.

Furthermore, the binder has the following effects. That is,
Since a sufficient amount of sublimable dye is retained and the distance between the reference plane α and the image receptor 6 is made close, sufficient recording density can be given to the image, and the dye transfer body can be made to withstand repeated use.

In addition, r = 20071 m indicated by the diagonal line on the outside of Figure 2
If there are no other non-sublimable particles within the range or if h in FIG. 1 is smaller than 0.1 μm, the effect of the non-sublimable particles is not sufficient. Furthermore, when b exceeds 100 μm, sublimation of the sublimable dye is hindered, and an image with sufficient recording density cannot be obtained. Here, h is the maximum height of the non-sublimable particles 3 measured from the reference plane α.

Needless to say, the density of the non-sublimable particles 6 on the dye transfer medium to obtain good halftone image quality depends on the size of the pixel, the smoothness and homogeneity of the substrate and image receptor, etc. As the size and the smoothness and homogeneity of the substrate and receiver increases, the non-sublimable particles perform the function of spacers at a lower density. The density of the non-sublimable particles 6 is d as described in the example in FIG.
This is reflected in the value of pi.

Regarding the shape of non-sublimable particles, spherical particles are particularly effective. This is because the individual spherical particles have exactly the same spacer function no matter how they are arranged relative to the dye transfer body. That is, as shown in FIG. 7, the distance between the substrate 2 and the image receptor 6 does not change at all due to a change in relative arrangement. Among non-sublimable particles, metals, metal oxides or polymeric compositions are particularly effective due to their high rigidity or elasticity.

In the thermal recording transfer body of the present invention, the dyes used include:
Examples include disperse dyes, basic dyes, and basic dye diformers. As a binder, polysulfone, polycarbonate, PoIJ phenylene oxide,
A cellulose derivative having a high melting point or softening point does not cause melt transfer to an image receptor due to heat during recording, and contributes to obtaining a high-quality transparent image.

Note that even when using multiple types of sublimable dyes, similar sublimable dyes are used. However, due to non-uniform transfer of the dye due to direct contact between the dye layer and the image receptor, or preferential transfer of dye near the image receptor, good black cannot be achieved over a wide range from low to high recording densities. It was extremely difficult to obtain images.

However, in a dye transfer material for thermal recording constructed using these particles together with non-sublimable particles, the uniform sublimation of each dye facilitates the transfer to the image receptor, and the preferential transfer of dyes near the image receptor Because there is no transfer, each dye is evenly transferred to the image receptor. Therefore,
Good black images can be obtained over a wide recording density range.

If at least one of the multiple types of dyes is selected from basic dyes (including colored dyes or color formers that develop color with electron acceptors) and at least one type is selected from disperse dyes, the color of the image receptor By appropriate selection,
You can obtain black with extremely good color tone and high recording density. This is because basic dyes and disperse dyes have different die sites (dying points), and there is a phase gradient that is harmful to the dyeing and color development of each other.
This is thought to be because it does not have any effect. In addition to these, by combining appropriate types of dyes, good images of any hue can be obtained in a wide range of recording densities.

Further, excellent effects are obtained when the volume ratio of non-sublimable particles to binder is within the range of 10-3 to 102. At lower ratios, the effect of the non-sublimable particles is not significant, and at higher ratios they are not sufficiently bound by the binder. Among these, a ratio of 1o-2 to 10 is most effective.

In addition, in order to fully demonstrate the function of a spacer, it is necessary that at least 3 non-sublimable particles exist per transfer substrate corresponding to each pixel, and if they are present below this density, they will not work as a spacer. The function is insufficient and noise appears in the image.

The material constituting the non-sublimable particles is any one of metals, metal oxides, metal sulfides, metal carbons, graphite, carbon blanks, silicon carbide, minerals, inorganic salts, organic pigments, or polymer compositions. selected from. Examples of highly effective methods are listed below.

Metals Nialuminum, Silicon, Germanium.

Tin + M + Zinc [[-+: + Balt, Nickel.

Chromium and alloys based on chromium.

Metal oxides: alumina, aluminum oxide, magnesium oxide, cuprous oxide, zinc oxide, indium oxide, tin oxide, titanium oxide, silicon oxide, iron oxide, cobalt oxide, nickel oxide, manganese oxide.

Tantalum oxide, vanadium oxide, tungsten oxide, molybdenum oxide, and compounds doped with impurities.

Metal sulfides: copper sulfide, zinc sulfide, tin sulfide, molybdenum sulfide.

Minerals: Magnesium minerals 7 lime minerals, strontium minerals, barium minerals, zirconium minerals, titanium minerals, stannous irons, phosphorus minerals, aluminum minerals (waxite, kaolin,
clay), silicon minerals (quartz, mica, talc, zeolite, quartz).

Inorganic salts: Carbonates and sulfates of alkaline metal elements (magnesium carbonate, calcium carbonate, strontium carbonate, barium carbonate, magnesium sulfate.

- Calcium sulfate, strontium sulfate, barium sulfate) and metal silicates.

Polymer composition: phenolic resin, melamine resin.

Urethane resin, epoxy resin, silicone resin.

Urea resin, diallyl phthalate resin, alkyd resin, acetal resin, acrylic resin, methacrylic resin, polyester resin, cellulose resin.

Denzo/and its derivatives, polyvinyl chloride, polyvinylidene chloride, chlorinated polyethylene, fluororesin, polyethylene, polypropylene, polystyrene, polydivinylbenzene, polyvinyl acetal, polyamide, polyvinyl alcohol, polycarbonate, polysulfone, polyethersulfone, polyphenylene oxide, Polyphenylene sulfide, polyether ether ketone, polyamino bismaleimide, polyarylate, polyethylene terephthalate, polybutylene terephthalate, polyethylene naphthalate, polyimide.

Polyamideimide, polyacrylonitrile, AS resin,
ABS resin, SBR, and compositions based on these.

All of these particles have high mechanical strength and are not destroyed by the pressure of bringing the dye transfer member and receiver into close contact, for example, and are suitable for achieving the purpose of the present invention. Unfortunately, in addition to the polymer compositions mentioned above, there are also polymer compositions with a softening point of 10
Temperatures above 0°C are particularly effective. This is because many of the sublimable dyes used have sufficient sublimation ability even below 100°C, and polymer compositions that meet this condition will not be transferred to the image receptor, so high-quality transparent images can be obtained using dyes alone. This is so that you can be saved.

The substrate of the present invention is not particularly limited.

However, the effect is particularly great if it is a polymer film.

For example, ester polymers such as polyethylene terephthalate, polyethylene naphthalate, and polycarbonate,
Amide polymers such as nylon, cellulose derivatives such as acetyl cellulose and cellophane.

Vinylidene pholyphinide, 4 horns: 1-+ethylene-67
fluorinated propylene copolymers, fluorine-based polymers such as Teflon, ether-based polymers such as polyoxymethylene and polyacetal, polystyrene, polyethylene 4 polypropylene,
Olefin polymers such as methylpentene polymers, imide polymers such as polyimide, polyamideimide, polyetherimide, etc. can be used.

In particular, knitting method j' in which the base is made of polyester is useful because it is thin, has a certain degree of heat resistance, and is inexpensive. In addition, imide-based, amide-based, and other polymers whose substrates are more heat resistant than polyester polymers are useful because they have excellent heat resistance when the transfer body is used repeatedly or at high speeds.

The material of the polymer used for the slippery heat-resistant layer is not particularly limited, and thermoplastic resins and various resins (crosslinked resins) cured by heat, light, electron beams, etc. can be used. In particular, the cured resin has good adhesion to the substrate and good heat resistance. For example, silicone.

There are acrylate-based, epoxy-based, unsaturated aldehyde-based resins, etc. Among these, cured products of acrylate resins exhibit excellent properties. Further, since the resin cured by light or electron beams is easily cured in a short time, it is easy to produce a long transfer body and exhibits good characteristics. For example, oligoacrylates, spirane resins cured with light or electron beams, or epoxy resins photocured with an aromatic diazonium salt catalyst are excellent.

Various reactive diluents can be added to the resin. The film thickness of the polymer composition is not particularly limited. Generally, from the manufacturing point of view, a polymer composition having a film thickness of 0.1 μm or more is easily obtained and exhibits uniform characteristics.

The fine particles contained in the slippery heat-resistant layer include metal.

Metal oxides, metal sulfides, metal carbides, graphite, carbon black, minerals, inorganic salts, organic salts, organic pigments, etc. can be used, but in particular synthetic amorphous silica, carbon blank, alumina, titanium oxide, etc. It is powerful. Synthetic amorphous silica includes anhydrous silica and hydrated silica, and ultrafine particles produced by a gas phase method are useful as anhydrous silica. For example, high-purity ultrafine particulate silica (trade name: Aerosil, Nippon Aerosil Co., Ltd.) developed by West German Degussa,
Similarly, there are aluminum oxide, titanium oxide (both manufactured by Nippon Aerosil Co., Ltd.), etc. produced by a vapor phase method.

Depending on the characteristics of the dye used, ultrafine silica may react with the dye, so in such cases, hydrophobic silica, in which the silanol groups present in silica are chemically partially substituted and bonded with methyl groups, etc. Polysilica can be used.

Ultrafine particles are ultrasonic waves.

It is well dispersed using Miki rolls, homogenizers, etc.

White carbon is mainly composed of hydrated silicon dioxide and may also contain calcium silicate. For example, Shionogi & Co., Ltd.'s ``Carplex'' is on the market. The fine particles can be used in an amount of 0.1 to 200% by weight based on the binder of the polymer composition.

In particular, a range of 5 to 100% by weight is stable.

Examples of liquid lubricating substances include dimethylpolysiloxane and methylphenylpolysiloxane.

Methylhydrodiene polysiloxane, fluorosilicone oil, and various other modified silicone oils (epoxy modified,
Alkyl modification, amine modification, carboxyl modification, alcohol modification, polyether modification.

Alkyl aralkyl polyether modified, epoxy
silicone-based lubricating substances such as copolymers of silicone and organic compounds such as polyoxyalkylene glycol, various fluorine-based surfactants such as fluoroalkyl compounds, low polymers of trifluorochloroethylene, etc. Synthetic oils such as fluorine-based lubricating substances, alkylbenzenes, polybutenes, alkylnaphthalenes, alkyldiphenylethanes, phosphoric acid esters, and polyalkylene gelcol oils.

These include saturated hydrocarbons, animal and vegetable oils, and minerals.

8 to 10 show examples of the structure of the image receptor. The image receptor 6 consists of a base film 8 and a color developing layer 9, and the color developing layer 9 contains inorganic fine particles 1.
0 and two types of mutually incompatible binders 11 that bind it together.
, 1 (').Here, the binder 11 is a dye-dyeable binder.The two types of binders 11 and 11', which are incompatible with each other, are used in the structure of the present invention. Since it forms the main part, this action will be explained in detail. Figures 9 and 10 respectively show a single binder 12 and a binder 12 containing two types of incompatible binders 11 and 11'. 9 is a cross-sectional view of different types of color developing layers 9' and 9. When using the single binder 12 shown in FIG. The dye molecules 14 sublimated from the dye layer of the transfer member by heat are prevented from penetrating into the developing layer 9'.On the other hand, in the case of FIG. 10, the binders 11 and 11'
Due to the incompatibility of the dye molecules, the dye molecules easily reach the coloring point 13 through the microscopic voids 16 created in the color developing layer 9 and develop a color.

Here, as the binder 11, polyester, polyamide, acrylic resin, acetate resin, etc., which have a coloring point 13 of the dye, are used, and as the binder 14', which is incompatible with these, hydrocarbon resin, fluororesin, etc. Stainless steel or silicone resin can be effectively used.

Examples of hydrocarbon resins include polyethylene, polypropylene, polystyrene, polybutadiene, and styrene-butadiene rubber (SBR).

Considering that these hydrocarbon resins, fluororesins, and silicone resins generally do not have the coloring point of dyes, it can be said that the effects of the binder of the present invention based on their incompatibility are extremely excellent. Hydrocarbon resins such as polyethylene are widely used and have a non-adhesive effect, so they are particularly effective in preventing the dye layer and the color developing layer from fusing together due to the heat of the thermal head.

Furthermore, when a single binder 12 is used, as shown in FIG. 9, it does not completely penetrate into the color developing layer 9', and the dye 14 laminated on top does not come into contact with the coloring point 13, resulting in significant image quality. This will cause a decline. In this respect as well, when the incompatible binder shown in FIG. 10 is used, these adverse effects are avoided.

Incidentally, as the dye, disperse dyes, basic dyes, and diformers thereof are effectively used. In addition, polyester, polyamide, acrylic resin, acetate resin, etc. disperse these dye molecules, and inorganic fine particles adsorb dye molecules to their active points, acidic points, and other adsorption points, resulting in stable and vivid colors. give an image. As the inorganic fine particles, for example, particles such as silica, alumina, or activated clay having a particle size of 10 μm or less are effectively used. In particular, phosphoric acid with an average particle size of 5oOÅ or less,
Inorganic fine particles made of alumina or titanium oxide have an extremely high density of colored points per unit volume, and greatly contribute to increasing recording density.

Activated clay, silica, etc. having acidity are also effective.

Here, the volume ratio of the sum of the binders 11' that are incompatible with the dye-dyeable binders 11 to the sum of the dye-dyeable binders 11 is suitably in the range of 0.1 to 10, and is highly effective. For ratios outside this range, the effect of incompatibility is lost. Also, the volume ratio UC of inorganic fine particles 10 to the sum of all binders)
, '1 to 10 is appropriate. When it is less than 0.1, sufficient recording density cannot be obtained, and when it is more than 10, the binding effect of the binder is impaired, which is not preferable.

In order to further improve the light resistance and stability of images recorded with dyes, it is also an effective method to incorporate ultraviolet absorbers and antioxidants into the binder.

FIG. 11 shows another configuration of the image receptor of the present invention.

A second coloring layer 16 and a first coloring layer 17 are provided on the substrate 8. The first coloring layer has the effect of allowing the dye to develop color well and providing stability against environments such as light, temperature and humidity. The second coloring layer further diffuses the dye in the first coloring layer into the second coloring layer to provide a penetrating image and has the effect of suppressing the bleeding phenomenon. This first. Second
With the combination of the coloring layers, it is possible to obtain a stable penetration image with a higher j color density than when using only the first coloring layer.

Next, the present invention will be explained in more detail. The dye molecules sublimated according to the amount of heat controlled by the electrical signal are
It reaches the surface of the coloring layer and diffuses through the porous resin such as polyester due to the fine powder oxide, and
It develops color when adsorbed to fine powder oxide. At this time, it is more effective for color development if the fine powder oxide is acidic. In this state, the dye bleeds through the resin, which has been made porous to increase its concentration. For this reason, a second coloring layer is provided which has lower environmental resistance than the first coloring layer but has stronger dye adsorption power, and diffuses and captures the dye deep into the coloring layer.

Latex such as styrene butadiene rubber (hereinafter abbreviated as SBR) and fine powder oxides such as activated clay, silica, and calcium carbonate can serve as the second coloring layer. The thickness of the first coloring layer is 1 to 5 μm.
The appropriate thickness of the coloring layer is 5 to 10 μm.

The image receiving substrate 9 is made of homogeneous polypropylene with little thickness unevenness.
Synthetic papers such as polyester give uniform images with less unevenness. Synthetic paper includes those that use an internal paper forming method (for example, Yupo from Tamago Yuka Synthetic Paper Co., Ltd.) and those that use a surface coating method (for example, Yupo from Tamago Yuka Synthetic Paper Co., Ltd.).
For example, Nisshinbo Co., Ltd.'s Beach Coat) etc. are effective in the present invention.

The present invention will be explained in more detail with reference to Examples below.

Three types of emulsions A, B, and C prepared below were mixed on a polypropylene synthetic paper using an appropriate IJ mixture, and a developing layer was attached to a thickness of 6 μm using a wire bar to form an image receptor for sublimation type thermosensitive recording. Obtained.

Coating liquid A: Polyester (trade name Pylon) 20 volume aqueous dispersion B: Polyethylene 2O volume coefficient water dispersion Teaching liquid C: Silica 20 volume aqueous dispersion with an average particle size of 200.Meanwhile, 1. A dye solution consisting of 4 volumes of each of the disperse dyes represented by the molecular formula II or 2, 4 parts by volume of polysulfone, and 100 parts by volume of monochlorobenzene was coated onto the transfer substrate described below using a wire bar to prepare a transfer body. did.

NHcH3 II l OH where: 1. The dyes ■ and ■ develop colors cyan, magenta, and yellow, respectively.

The transfer substrate was prepared by applying a coating solution having the composition shown in Table 1 to the bottom surface of a 9 μm thick polyethylene terephthalate film using a wire bar, evaporating the solvent with hot air at 60°C, and then irradiating it with a 1 KW high pressure mercury lamp. It is hardened.

Table 1 The coated areas of the transfer member and image receiver were brought into close contact with each other in pairs, and a recorded image of the dye was drawn using a thermal head. The recording conditions were as follows.

Linear density of main scanning and sub-scanning: 4 dots/cylinder recording power: 0
．． 7W/dot head heating time, 8m crown Table 2 shows the number of dropouts and noises in images obtained under these conditions, and the difference between any alumina particles pi existing in the dye transfer and particles existing in its vicinity. The length of the maximum of the minimum distances dpi between projected figures max (d
pi). FIG. 6 shows the relationship between particle arrangement and dpi. The dpi was determined from a scanning electron micrograph taken perpendicularly to a capacitor paper.

Unfortunately, h defined in FIG. 1 was determined from scanning electron micrographs of cross sections of dye transfer bodies, and was found to be 7 μm or more in all cases where the amount of alumina particles was varied. In addition, as a comparative example, the results when no alumina is mixed are also shown.

The following is a margin: Table 2 The recording densities were 1, 3, 1.2, and 0.8 for cyan, magenta, and yellow, respectively. The color reproducibility at this time is shown in FIG. 12 as a chromaticity diagram.

Additionally, these dye images were tested for sunlight fastness according to the TIS, LO841 standard. Table 3 shows coating fluid A.
, the volume ratio of B and C, the recording density of each color of cyan, magenta, and yellow, and the grade of sunlight fastness.

3. Benya Comparative Example Name of the Invention As described above, according to the transfer type thermal recording method of the present invention, stable running properties of the transfer body are provided, and dropouts and
Good and stable color image quality with little noise can be obtained.

[Brief explanation of the drawing]

FIG. 1 is a longitudinal cross-sectional view of a transfer body in an embodiment of the present invention;
Fig. 2 is a plan view of the same main part in cross section, Figs. 3 and 4 are longitudinal sectional views showing other configuration examples of the transfer body, and Figs. 5 and 7.
The figure is a vertical cross-sectional view of the recording part folds, Figure 6 is a diagram explaining the arrangement of non-sublimable particles, Figures 8, 9, 10 and 1.
FIG. 1 is a longitudinal sectional view showing an example of the configuration of an image receptor, and FIG. 12 is a chromaticity diagram of a recorded image. 1... Transfer body, 2... Substrate, 3...
... Smooth heat-resistant layer, 4 ... Dye layer, 5 ...
...Non-sublimable particles, 6...Image receptor, End...
・・Thermal head, 8・・Base, 9・・River・
Color developing layer, 10... Inorganic fine particles, 11...
- Dye-staining resin, 11'... Incompatible binder. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 1
Figure 2 a Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 9 Figure 10 Figure 11 o, z o, 4 0.6

Claims (4)

[Claims] (1) A lubricating heat-resistant layer consisting of fine particles, a liquid lubricating substance, and a polymeric substance is provided on one side of the substrate, and a lubricating heat-resistant layer containing a sublimable dye, non-sublimable particles, and a binder is provided on the other side, and a non-sublimating layer is provided on one side of the base. A transfer body is provided with a coloring material layer in which some of the color particles protrude from the reference plane formed by the sublimable dye layer, an inorganic fine particle, a dye-dyeable binder, and a binder that is incompatible with this binder. An image receptor having an adhesive and a loose color developing layer on its surface is arranged so that the coloring material layer and the color developing layer face each other, and selectively applied from the smooth heat-resistant layer side of the transfer body. A transfer type heat-sensitive recording method in which an image is formed on the image receptor by heating the image receptor. (2) The transfer type thermal recording method according to claim 1, wherein the binder incompatible with the dye-dyeable binder is a hydrocarbon resin, a fluororesin, or a silicone resin. (3) The transfer type thermal recording method according to claim 1, wherein the inorganic fine particles have a particle size of 500A or less. (4) Claim 1 in which the inorganic fine particles are acidic Transfer thermosensitive recording method described in section. Eight