JPH04201287A - Base material for constituting transfer sheet and preparation thereof - Google Patents

Abstract

PURPOSE:To remove a recording vapor deposition layer in a state having required brightness without applying etching treatment by providing a metal vapor deposition layer with required thickness to one surface of a base film through a transparent colorant layer formed into a minute uneven surface by a membrane layer composed of a synthetic resin material. CONSTITUTION:In a base material for constituting a transfer sheet wherein a metal vapor deposition layer 6 is provided to one surface of a base film 1 through a transparent colorant layer 3, the colorant layer is constituted of a membrane layer composed of a synthetic resin material and the surface on the side of the layer 6 of the colorant layer 3 is formed into a minute uneven surface in a degree not damaging the gloss of the layer 6. The thickness of the layer 6 is set to such a degree that recording glass is not damaged by the effect of a background color and particle gaps permitting a solvent to penetrate in the transparent colorant layer from the outside of the metal vapor deposition layer in the thinnest part are formed. Therefore, the transparent colorant layer being an inside layer is simultaneously dissolved from the outside of the metal vapor deposition layer using an appropriate solvent without damaging the brightness of a metal gloss surface to make it possible to remove the layer 6.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention is useful for commercial designers to use labels, displays,
A design that is used when trying to obtain an arbitrary pattern with a metallic luster such as gold or silver when manufacturing a dummy necessary for determining the design of a package or performing presensation. The present invention relates to a base material for forming a transfer sheet suitable for forming a test transfer sheet, and a method for manufacturing the same.

[Conventional technology]

As seen in the transfer sheet already proposed by the inventor of the present invention, this type of base material for forming a transfer sheet is such that a transparent colorant layer is provided on one side of the base film 1 via a release material, and then a transparent colorant layer is provided on one side of the base film 1, and It is conventionally known that an aluminum vapor-deposited layer is formed on the
(See Publication No. 782).

When using a transfer sheet constructed using this conventional technology, compared to the previous structure in which aluminum foil was pasted on a transparent colorant layer, aluminum vapor deposition was used to create a highly metallic surface. Although it can be recognized as a dramatic advance in terms of simple construction, etching was required to remove the aluminum deposited layer. This etching process is
There remained a technical problem in that the allowable range for obtaining suitable processing conditions, such as the temperature and concentration of the alkaline solution, was extremely narrow, which could lead to work errors in this process, which is close to the final process. .

[Invention or problem to be solved]

If the etching treatment is omitted for this type of base material for transfer sheet construction whose metallic luster surface is composed of a normal metal vapor-deposited layer, the metal vapor-deposited layer and the transparent colorant layer are removed from the outside of the metal vapor-deposited layer using an oil-based solvent, etc. It was impossible to remove it, and it was considered impossible to omit the etching process.

An object of the present invention is to provide a base material for forming a transfer sheet and a method for producing the same, in which a metal vapor deposited layer having the required brightness as a metallic luster surface can be removed without etching treatment. It is in.

[Failure to solve the problem]

The technical means of the present invention taken to achieve the above object are as follows:
In a base material for forming a transfer sheet in which a metal vapor deposition layer is provided on one side of the base film l via a transparent colorant layer, the following [A] is used.

It is equipped with the configuration described in [mouth].

[B] The transparent colorant layer is composed of a thin film layer 4 made of a synthetic resin material, and the surface facing the metal vapor deposition layer has a surface roughness that reduces the gloss of the metal vapor deposition layer deposited on this surface. The thickness of the metal vapor deposited layer is such that the metallic luster is not impaired by the influence of the background color, and the minimum thickness is formed from the outside of the metal vapor deposition layer. The thickness is set to such an extent that gaps between particles are formed to allow penetration of the solvent into the transparent colorant layer side.

In addition, the method for manufacturing the base material for configuring the transfer sheet includes a combination of a transparent colorant layer forming process and a metal vapor deposition layer forming process, and also includes the configurations described in [A] to [C] below. That's true.

[B] In the transparent colorant layer forming step, the extender pigment 5 containing fine particles having a particle size equal to or larger than the thickness of the thin film layer 4 is added to the thin film layer 4 of the synthetic resin material in an amount that does not impair the gloss of the metal vapor deposited layer. A finely uneven surface is formed on the surface of the transparent colorant layer by mixing in the desired amount.

[B] In the metal vapor deposition layer forming step, a metal vapor deposition layer is formed on the surface of the transparent colorant layer to an average thickness of about 300 Å to 700 Å by vacuum evaporation.

[One side of the box base film 1 is subjected to the transparent colorant layer forming step, and then the metal vapor deposited layer forming step is performed.

[Effects] The effects of implementing the above technical means are as follows.

a. The surface of the transparent colorant layer is formed with minute irregularities to the extent that the gloss of the metal vapor deposited layer deposited on this surface is not impaired by surface roughness, and the metallic luster is impaired due to the influence of the background color. It is thick enough to prevent
Since it has an uneven surface, the desired brightness as a metallic luster surface will not be lost.

b. The metal for forming the metallic luster surface is deposited on a transparent colorant layer with an uneven surface, and the thickness of the deposited metal layer is such that the metallic luster is not impaired by the influence of the background color. Because it is extremely thin, in order to lose its metallic luster, gaps between particles are formed in the particularly thin parts of the metal vapor deposited layer, which allow the solvent to penetrate from the outside of the metal vapor deposited layer to the transparent colorant layer. . A solvent can then penetrate through the gaps between the particles to dissolve the inner transparent colorant layer.

C9 When forming irregularities on the surface of the transparent colorant layer, the difficulty in processing technology of forming even minute irregularities on the extremely thin transparent colorant layer is due to the thickness of the thin film and the contamination of the transparent colorant layer. It can be simplified by setting the diameter and amount of the extender pigment 5.

d In addition, the difficulty of forming partial particle gaps that allow the penetration of solvent into the metal evaporation layer without impairing the brightness of the metal evaporation layer can be overcome by setting the thickness of the metal evaporation layer and determining the thickness of the metal evaporation layer. This problem can be solved by effectively utilizing the settings of the surface shape of a certain transparent colorant layer.

〔Effect of the invention〕

The effects associated with the above action are as follows.

B. From the effects of a and b above, it is possible to perform transfer using this base material for forming a transfer sheet. Using an appropriate solvent for dissolution, the inner transparent colorant layer is also dissolved at the same time, and along with this, the metal vapor deposited layer attached to the outer side can be removed. Therefore, it is possible to obtain a base material for forming a transfer sheet from which the metal deposited layer can be removed without etching during transfer.

From the effects of c and cl above, we can manufacture and process a base material for transfer sorting that can be conveniently used as in a above.
There are some effects that can be done easily.

〔Example〕

Examples of the base material for composing a transfer sheet of the present invention will be described below with reference to the drawings along with a method for manufacturing the same.

FIG. 1 shows a cross section of the base material for forming a transfer sheet of the present invention,
This base material A for forming a transfer sheet includes a base film l,
A release layer 2 provided on one side of the base film 1
, a transparent colorant layer 3, a metal vapor deposited layer 6, and a cushion layer 7.

The base film l is preferably a transparent (including translucent) synthetic resin sheet that is relatively resistant to heat, such as polyester or acetate, but is not limited to this. Any material can be used as long as it has the required strength.

The release layer 2 formed on one side of the base film 1 may be formed by coating the base film 1 with an appropriate and well-known release layer 2 forming material having the required peeling function. Utility Application 1986-19 already proposed by the applicant
As shown in Japanese Unexamined Utility Model No. 8457 (Refer to Japanese Utility Model Application Publication No. 101255), silicon microparticles are dispersed over the entire surface of a polyamide resin layer in such a manner that all or some of the silicon microparticles are exposed on the surface side. What is necessary is to use a structure formed by forming the structure.

The transparent colorant layer 3 formed on the upper side of the release layer 2 is located on the surface side of the metallic glossy surface after transfer, and constitutes a film for maintaining the luster of the metal, and also expresses the type of metal. It is also used as a means of coloring. In other words, if you want to express silver as a metal color, it is best to use an aluminum vapor deposition layer as the metal vapor deposition layer 6, and make the transparent colorant layer 3 on the surface side colorless and transparent. It is preferable to form an orange transparent colorant layer 3 on the surface side of the vapor deposited layer 6.

In order to form irregularities on the surface of the transparent colorant layer 3, fine particles of an extender pigment 5 are added to a thin film layer 4 of a polyamide-based or vinyl-based synthetic resin material in the transparent colorant layer forming process. 0.01 to 0.05% (preferably 0.01% to 0.05%)
015 to 0.030%) to form a surface with minute irregularities.

The thickness of the thin film layer 4 is about 3 to 5 μm, and the extender pigment 5 has an average particle size of about 5 μm, and about 80% of the average particle size is about 5 μm.
The remaining particles have a particle size of about 2.5 to 7.5 μm.

The metal vapor deposited layer 6 is formed by vapor depositing fine aluminum particles on the transparent colorant layer 3 by a vacuum vapor deposition method in the metal vapor deposition layer forming process, and has an average thickness of about 300 Å to 700 Å. The thickness is within a range where the background color is not easily affected during transfer and it is possible to remove the background color, but it is preferably about 350 to 600 people.

The cushion layer 7 protects the outer surface of the metal vapor deposited layer 6, and is made of an easily removable film such as polyamide or vinyl.

Although the base material A for forming the transfer sheet is constructed as described above, it is also possible to omit the release layer 2 and the cushion layer 7. That is, instead of using the release layer 2, the base film 1 and the transparent colorant layer 3 are made of a combination of materials that do not have very strong mutual adhesion, for example, the base film 1 is made of a polypropylene-based synthetic resin. In addition, it is also possible to omit the transparent colorant layer 3 by forming the transparent colorant layer 3 with a Hynyl synthetic resin which has poor compatibility with the transparent colorant layer 3. Alternatively, instead of using the cushion layer 7, an adhesive side sheet layer, which will be described later and which is used in combination with the base material A for forming the transfer sheet, may be integrated with the base material for forming the transfer sheet in advance, or a cushion layer 7 may be used. It is also possible to omit layer 7 itself altogether.

Next, the base material A for transfer sorting configured as described above is prepared.
The transfer method when actually performing transfer using this will be explained.

The transfer sheet constituting base material A of the present invention is used in combination with the adhesive side sheet layer as shown below. That is, as shown in FIG. 3, an adhesive side sheet layer B consisting of a protective film layer 8, an adhesive layer 9, an aqueous photosensitive agent layer 0 The one that formed the fourth
As shown in the figure, by sequentially forming an aqueous photosensitive agent layer 10 and an adhesive layer 9 on the upper side of the metal vapor deposited layer 6 of the base material A for forming the transfer sheet during the transfer process, the adhesive side It is used in combination with that which constituted the sheet layer B.

To explain how to use these, first, the ones shown in FIG.

σ) As shown in FIG. 3(a), a protective film layer 8 made of oil-based ink is formed on the base material A for transfer sorting, and a pressure-sensitive oil-based adhesive is applied on the protective film layer 8. forming layer 9;
A water-based photosensitive agent layer 10 is formed on this adhesive layer 9.
As the aqueous photosensitizer layer 10, for example, those called Chromatic A and B manufactured by Letraset Chapin Co., Ltd. may be used, but are not limited thereto, and any well-known photosensitizer may be used as appropriate. Good too.

■ Waiting for the drying of the aqueous photosensitive agent layer IO, on top of it,
A separately manufactured negative original film 11 on which a desired pattern has been formed is placed, and after printing (exposure) is performed by irradiating ultraviolet rays from above with an ultraviolet lamp 12, for example,
The original film 11 is removed.

■ Next, wash the water-based photosensitive agent layer 1 with water on a washing table.
Leave the photosensitive hardened area of 0 and wash away the other unexposed areas,
A portion of the adhesive layer 9 located directly below the unexposed portion is exposed (see FIG. 3 (+1)).

(2) After that, by washing the sheet using a predetermined solvent, the adhesive layer 9 of the adhesive side sheet layer B and the protective film layer 8 are left with the exposed portions located below the photosensitive cured portions. At the same time, the transparent colorant layer 3 under the metal vapor deposited layer 6 on the side of the transfer sheet constituting base material A is also removed at the same time (see FIG. 3(c)).

■ Using the transfer sheet configured as above,
Apply the uppermost adhesive layer 9 to the area to be transferred, rub the other side of the base film 1 with a roller or the like with appropriate hardness to adhere it to the area to be transferred, and then peel off the base film 1 to form a transparent layer. With the colorant layer on the surface, the desired pattern with metallic luster is transferred. Incidentally, in this usage example, it is also possible to omit the protective film layer 8 altogether.

Moreover, the one shown in FIG. 4 is used in the following manner.

■ As shown in FIG. 4(a), a synthetic resin material made of polyamide or vinyl resin is coated on the metal vapor deposited layer 6 to form a protective film layer 8, and this protective film layer 8 and A photosensitive layer IO made of a water-soluble photosensitive agent and coated thereon constitutes an adhesive side sheet layer B. At this time, polyvinyl alcohol or formal modified polyvinyl alcohol and polyvinyl acetate emulsion were mixed as a water-soluble photosensitizer so that the protective film layer 8 and the photosensitizer layer 10 would be tightly adhered without the need for a binder. A water-soluble photosensitizer is used, which is made by adding a water-soluble diazo to a polyvinyl acetate emulsion. For polyvinyl alcohol or formal-denatured products, add sulfuric acid or phosphoric acid to an aqueous solution of polyvinyl, and then add formalin (H
CHO) or normal butyraldehyde (CH3C
Obtained by adding H2CH2CH2C)10) and heating.

■ When the photosensitive agent layer 10 is dried, as shown in FIG. Expose the area to light and harden it to form a negative film 1.
A transferred image of a shape determined by the image of 1 is formed.

- After this transfer image formation is completed, the photosensitive layer 10 is removed from the negative film 11 and washed with water to remove the portions of the photosensitive layer 10 other than the transferred image as shown in FIG. 4(C). .

(2) Next, as shown in FIG. 4(d), the portions of the protective film layer 8 to the release layer 2 other than the transferred image are removed using a solvent.

At this time, when the protective film layer 8 and the transparent colorant layer 3 are made of a polyamide resin material, an alcohol solvent is used as the solvent, and the protective film layer 8 and the transparent colorant layer 3 are made of a vinyl resin material. In this case, an aromatic solvent is used as the solvent, and in either case, the protective film layer 8 is dissolved and removed. At the same time, the transparent colorant layer 3 and the mold release layer 8 are removed. Layer 2 is dissolved and removed together with metallized layer 6.

■ When the photosensitive agent layer 10, the protective film layer 8, the metal vapor deposited layer 6, the transparent colorant layer 3, and the release layer 2 are partially removed, as shown in FIG.
As shown in (e), a pressure-sensitive adhesive layer 9 is coated on the transferred image.

■ The transfer sort configured as described above is performed by a transfer operation in which the adhesive layer 9 side is brought into contact with the transfer target surface 13 and pressure is applied, so that the transferred image is transferred to the transfer target surface 13 as shown in FIG.
Transfer to 3. After the transfer, when the pace sheet 1 is peeled off, the adhesive layer 9 in the cylinder area other than the transferred image is removed from the base sheet 1 and 1.
It is possible to create a state in which it is removed while remaining attached to the transfer target surface 13 side and not attached to the transfer target surface 13 side.

Next, when the base material A for composing a transfer sheet of the present invention is used as in each of the above usage examples, the principle of FIG. A description will be given based on the figure and FIG. 1 above.

That is, FIG. 2 is a principle explanatory diagram showing an expanded state of the range represented by the arc a in FIG.
In some cases, relatively large particles of the extender pigment 5 are located protruding from the surface of the thin film layer 4. The aluminum fine particles 6a constituting the metal vapor deposited layer 6 deposited on this part are arranged densely and orderly on the upper side of the almost flat thin film layer 4, and the parts where the extender pigment 5 protrudes are as shown in the figure. It is presumed that the aluminum particles 6a are deposited in a state in which a particle gap S2 is formed between each aluminum fine particle 6a and the particle gap S1 is larger than the particle gap S1 in the densely arranged portion.

Therefore, even though the solvent for dissolving and removing the adhesive side sheet layer B cannot penetrate into the metal vapor deposited layer 6 in the orderly and densely arranged portions, the large particle gaps S2 are formed as described above. The protruding portion of the pigment 5 that is to be coated enters the large particle gap S2 and forms the metal vapor deposited layer 6.
It will reach the underlying transparent colorant layer 3 and begin to dissolve it. As a result, the lower transparent colorant layer 3
Even if the metal vapor deposited layer 6 is not dissolved, the metal vapor deposited layer 6 is in a state where its feet are collapsed and is removed by the solvent so as to be peeled off.

The type of solvent can be arbitrarily selected depending on the materials of the transparent colorant layer 3 and the adhesive sheet layer B, and is suitable for dissolving them. For example, if the transparent colorant layer 3 is made of a polyamide-based synthetic resin, an alcohol solvent may be used as the solvent, and if it is a vinyl-based synthetic resin, an aromatic or ketone-based solvent may be used. .

Further, when forming the transparent colorant layer 3, as a means for forming irregularities on the surface thereof, an extender pigment 5 is added to the thin film layer 4.
The base film 1 may be formed not only by mixing, but also by mixing fine particles other than extender pigments, or by forming minute irregularities on the base film 1 itself.

Furthermore, the method of using the base material for forming a transfer sheet of the present invention is as follows:
The adhesive layer 9 and the photosensitive layer 10 are not limited to the above-mentioned example, and may be used in any desired manner, such as forming the adhesive layer 9 and the photosensitive layer 10 using a silk printing method.

Incidentally, although reference numerals are written in the claims for convenience of comparison with the drawings, the invention is not limited to the structure of the present invention or the structure of the attached drawings.

[Brief explanation of the drawing]

Figure 1 is a cross-sectional view of the base material for forming the transfer sheet, and Figure 2 is a cross-sectional view of the base material for forming the transfer sheet.
FIGS. 3(a) to 3(c) are partially enlarged explanatory diagrams in the figure, FIGS. 3(a) to 3(c) are explanatory diagrams showing usage states, and FIGS. 4(a) to 4(f) are explanatory diagrams showing other usage states. (1)...Base film, (3)...
・Transparent colorant layer, (4)... thin film layer, (5)...
... extender pigment, (6) ... metal vapor deposited layer, (A
)...Base material for forming a transfer sheet, (B)...
・・Adhesive side sheet layer, (Sl), (S2)・・・・
- Particle gaps. Agent Patent Attorney Osamu Kitamura Figure 3 (A) (Exposure) - to convex. Flash close, 80

Claims (1)

[Claims] 1. On one side of the base film (1), a transparent colorant layer (
3) is provided with a metal vapor deposition layer (6),
A base material for forming a transfer sheet having the configurations described in [A] and [B] below. [B] The transparent colorant layer (3) is constituted by a thin film layer (4) of a synthetic resin material, and the surface facing the metal vapor deposition layer (6) is vapor deposited on this surface. The surface is formed with minute irregularities to the extent that the gloss of the metal vapor deposited layer (6) is not impaired by surface roughness. [B] The thickness of the metal vapor deposited layer (6) is such that the metallic luster is not impaired by the influence of the background color, and the minimum thickness part is from the outside of the metal vapor deposited layer (6) to the transparent colorant layer (3) side. The interparticle gap (S
The thickness is set to such an extent that 2) is formed. 2. A method for producing a base material for forming a transfer sheet, which is composed of a combination of a transparent colorant layer forming step and a metal vapor deposition layer forming step, and has the configurations described in [A] to [C] below. . [B] In the transparent colorant layer forming step, the extender pigment (5) containing fine particles having a particle size equal to or larger than the thickness of the thin film layer (4) is added to the thin film layer (4) of the synthetic resin material, and the extender pigment (5) is added to the metal vapor deposited layer (4). The transparent colorant layer (
3) Form a minute uneven surface on the surface. [B] In the metal vapor deposition layer forming step, the surface of the transparent colorant layer (3) is coated with an average thickness of 300 Å to 7
A metal vapor deposition layer (6) is formed to a thickness of about 0.00 Å. [C] One side of the base film (1) is subjected to the transparent colorant layer forming step, and then the metal vapor deposited layer forming step is performed.