JPH09179480A - Hologram pattern transfer film - Google Patents

Abstract

PROBLEM TO BE SOLVED: To apply a durable hologram pattern to an irregular and thick object to be transferred without losing luminance. SOLUTION: A mold releasing agent layer 3 is provided on one face of a base material film 1, a protective layer 4 made of a thermoplastic resin is provided on the mold releasing agent layer 3, a transparent metal compound is deposited on the protective layer 4, and this transparent metal compound deposited layer 5 is covered with an adhesive layer 6 to form this film A. Hologram machining is applied to the contact face with the transparent metal compound deposited layer 5 constituting the transfer film A or on the contact face with the adhesive layer 6 of the transparent metal compound deposited layer 5. The adhesive layer 6 is brought into contact with a sheet to be transferred, and it is heated and pressed from the base material film 1 face to transfer a hologram pattern to the transferred sheet.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a thick transfer sheet having irregularities such as artificial leather, woven fabric, non-woven fabric, knitted fabric having less elasticity, leather, paper, cardboard, and a plastic sheet having an irregular surface. The present invention relates to a hologram pattern transfer film for processing a durable hologram pattern, a hologram pattern transfer method, and a transfer sheet such as an artificial leather, a woven cloth, or a nonwoven cloth to which the hologram pattern is transferred.

[0002]

2. Description of the Related Art Conventionally, a hologram pattern has been processed by engraving a pattern or pattern consisting of minute stripe-shaped irregularities of Å unit on the film surface, which is approximately the same as the wavelength of visible light, and causing it to diffusely reflect by applying light. , Various rainbow-colored patterns and three-dimensional images were highlighted. To process the hologram pattern, the film surface is processed with light having high coherence such as laser light. Therefore, the surface on which the hologram processing is performed needs to be smooth so that the stripe-shaped irregularities in the unit of Å are conspicuous.

Holographically processed transparent films, colored films, and gold vapor-deposited aluminum vapor-deposited films, etc., are beautifully diffusely reflected in a rainbow-colored pattern according to the engraved concave and convex pattern and used for various purposes. Has been done. When this hologram pattern is applied to artificial leather, woven cloth, non-woven cloth, leather, etc., the material can be given a high-class feel, and its application can be further expanded as stage costumes, wall decoration materials, etc. . Therefore, the present inventors have tried to provide a thin and smooth layer of polyurethane resin or the like on one surface of a cloth or the like and process a hologram pattern on this surface.

[0004]

However, since the hologram pattern processing surface has fine irregularities, if this surface is exposed, the irregular surface will be formed due to slight friction or adhesion of moisture or oil such as sweat or hand marks. Smooths and the hologram pattern disappears. When a protective layer is provided in order to protect the hologram pattern, there is a problem that this layer itself or an adhesive for adhering the protective layer penetrates into the stripe-shaped irregularities of the hologram processing and the hologram pattern disappears. Therefore, the present inventors have studied a technique of processing a durable hologram pattern on various sheets which have some flexibility and whose material itself is not smooth.

[0005]

SUMMARY OF THE INVENTION The present invention is intended to solve the above-mentioned problems, and its constitution is that a release agent layer is provided on one surface of a substrate film, and the release agent layer is made of a thermoplastic resin. A protective film comprising a protective layer consisting of, a transparent metal compound is vapor-deposited on the protective layer, and the transparent metal compound vapor-deposited layer is covered with an adhesive layer. Of the transparent metal compound vapor-deposited layer, or the contact surface of the transparent metal compound vapor-deposited layer with the adhesive layer, is a hologram pattern transfer film having a hologram processed. It is characterized in that the hologram pattern is transferred to the transfer sheet by bringing it into contact with the transfer sheet and heating and pressing from the surface of the base material film. Further, a transfer sheet such as artificial leather, woven cloth, and non-woven cloth is provided with a vapor deposition layer of a transparent metal compound through an adhesive layer of the film, and the vapor deposition layer of the transparent metal compound is made of a thermoplastic resin for protection. It is characterized in that it is protected by a layer, and a hologram processing is applied to the contact surface of the protective layer with the transparent metal compound vapor deposition layer or the contact surface of the transparent metal compound vapor deposition layer with the adhesive layer.

That is, the present invention is to manufacture a transfer film having a hologram pattern engraved in advance, and transfer the transfer film to an object to be transferred to provide a rainbow gloss hologram pattern on various materials. The hologram pattern transfer film of the present invention is provided with a protective layer composed of a thermoplastic resin layer on the release agent surface of a base material film provided with a release agent layer, and hologram processing is performed on this protective layer. Is coated with a vapor-deposited layer of a transparent metal compound, and an adhesive layer made of a thermoplastic resin is further provided on the vapor-deposited layer. Alternatively, the protective layer is directly coated with a vapor-deposited layer of a transparent metal compound, a hologram pattern is processed on the vapor-deposited layer of the metal compound, and an adhesive layer made of a thermoplastic resin is further provided on the hologram-processed surface. .

[0007] A relatively low melting point thermoplastic resin or hot-melt adhesive for forming an adhesive layer by bringing the adhesive layer of the transfer film into contact with a transfer object such as cloth or artificial leather and heating and pressing from the base material surface. The agent melts and surely adheres to the transferred material. After adhering, the base material is peeled off. At this time, the engraved hologram processing is not damaged, and the adhesive layer surely melts and adheres to the transferred material. In the hologram pattern of the transferred object, the base material layer disappears, but since it is covered with a protective layer such as polyurethane, or with the protective layer and the transparent metal compound vapor deposition layer, sweat, oil or friction There is no risk of the pattern disappearing due to such reasons, and the durability of the pattern is secured. Furthermore, the presence of the vapor-deposited layer of the transparent metal compound improves the brightness of the hologram pattern and maintains the taste of the material to be transferred.

Since the transparent metal compound layer is a vapor deposition layer,
Unlike the layer obtained by the usual lamination method, the unevenness of hologram processing is vapor-deposited exactly, and there is no risk of disappearing the fine stripe-shaped unevenness shape of hologram processing. Further, the unevenness of the hologram pattern processed on the transparent metal compound vapor deposition surface may be filled with the adhesive layer, but the metal compound vapor deposition layer has a different refractive index of light even if it is filled. Since it is remarkably different from the layer (1), it does not adversely affect the brightness of the hologram pattern.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Holographic pattern processing in the present invention means an element used for holography, that is, a light wave (signal wave) diffracted by an object, and another light wave (reference wave) having interference with them. It is slightly different from the hologram in the original sense in which the interference fringes that have been generated and recorded on the photosensitive material are different from those in the original sense. It is a carved pattern or image. As a result, when a light beam hits the processed surface, the visible light is irregularly reflected by the unevenness and shines in a rainbow color, and the color tone changes depending on the angle. In order to make this effect more effective, two-dimensional or three-dimensional hologram processing is possible, and the fine irregularities can be expressed as a pattern or a three-dimensional shape.

Hologram processing according to the definition of the present invention is easily performed by a commercially available hologram processing machine. For example,
DAVIS LIGHT MACHIN manufactured by DIMENTIONAL ARTS, USA
E "or" LIGHT MACHINE ". That is, irregularities are engraved on the surface of a smooth film by a laser beam having a large coherence, but X-ray, microwave, electron beam,
It can also be realized by sound waves or the like. The pattern in the present invention is a concept including not only a simple continuous pattern but also a three-dimensional stereoscopic image.

FIG. 1 (a) shows a transfer target and a transfer film before transfer, and FIG. 1 (b) is an explanatory view showing a state after the transfer film is transferred onto the transfer target. The hologram pattern transfer film A first requires the substrate film 1. The base material film 1 may have both rigidity to protect the hologram pattern from being damaged and flexibility to transfer the hologram pattern until the hologram pattern is transferred to the transferred object 2. For example, polyester, oriented polypropylene,
A plastic film such as nylon is preferred, but paper,
Materials such as metal foil can also be used. The thickness of the base film is generally 12 to 50 μ, though it depends on the material. The release agent 3 is applied to one surface of the base film. A silicone resin or wax is generally used as the release agent 3, and a sheet already coated with the release agent may be used.

A protective layer 4 is provided on the release agent 3. The protective layer 4 protects the hologram pattern processed surface and also has a function as a layer for directly processing the hologram pattern. Polyurethane resin, acrylic resin, epoxy resin, etc. are used as the material to be used, and the hologram pattern processing is easily performed and sufficient smoothness is maintained, and the film is transferred to the transfer target by a heating process at about 80 to 150 ° C. It is a plastic that does not soften. . The thickness of the protective layer 4 is 2 to 12 μ,
If it is less than 2 μm, the protective effect cannot be exhibited, and if it exceeds 12 μm, it is difficult to apply it smoothly and it is technically difficult.

The transparent metal compound used for the vapor-deposited layer 5 which is adhered to the protective layer 4 is a compound which is easily vaporized in a vacuum state and closely adheres to a smooth plastic surface, such as aluminum oxide, titanium nitride, and oxide. Silicon (Si
O _{n, n} = 2~3) and the like are used. In the case of SiO _n ,
When n approaches 2, the vapor deposition layer 5 becomes yellowish. Deposition layer 5
Has a thickness of 500Å.

In the hologram pattern processing, an arbitrary hologram pattern is applied to the protective layer 4 or the vapor deposition layer 5 using a commercially available machine. When performing a hologram pattern processing on the protective layer, the processed surface is directly covered with the transparent metal compound vapor deposition layer,
The fine uneven surface is not damaged at all and shows gorgeous diffuse reflection.

On the other hand, when a hologram pattern is processed on the metal vapor deposition layer 5, the hologram pattern processing surface of the transparent metal compound vapor deposition layer is covered with an adhesive layer, so that the unevenness of the hologram pattern is impaired in this step. Since the material is different from that of other plastic layers and the refractive index of light is remarkably different, the brightness of hologram processing is not significantly lowered. Rather, it shows a modest diffuse reflection, is not extremely fluffy when used as a garment, and is rather preferable for some applications.

The adhesive layer 6 is preferably made of a material that softens at a temperature below the temperature at which the protective layer 4 softens. Since the temperature to which the material to be transferred is subsequently exposed is generally lower than the softening temperature of the protective layer material, there is almost no problem. Generally, it is 80 to 150 ° C. As the adhesive, a usual acrylic adhesive, vinyl chloride adhesive, hot melt adhesive or the like is used, and the thickness thereof is about 2 to 5 μ, as long as it is firmly adhered to the transferred material. .

The material to be transferred of the present invention is a hologram even if it is transferred to artificial leather, woven cloth, non-woven cloth, knitted fabric, paper, etc., such as polyurethane or polyvinyl chloride, which has many irregularities on the surface where the hologram effect has not been obtained conventionally. The effect is obtained and sufficient durability is obtained. The material to be transferred such as artificial leather or non-woven fabric processed with a hologram pattern according to the present invention is used as a cloth for clothing such as coat, vest, pants, outerwear, or a part of a collar or outerwear. In addition, it is also used for bags, sandals, interior decorations, etc., where the ground pattern appears as it is in places not exposed to direct light, and when exposed to direct light, it creates a gorgeous atmosphere by harmony between the ground pattern and the rainbow pattern. You can

[0018]

EXAMPLES Example 1 As shown in FIG. 1A, a release agent 3 made of a silicone resin was applied to one surface of a film 1 made of polyester and having a thickness of 15 μm. On the release agent 3, a protective layer 4 made of polyurethane was coated smoothly to a thickness of about 6 μm. K.LA, Taiwan, outsources the processing of hologram patterns to the coated surface of the protective layer 4 using a machine made by DIMENTIONAL ARTS of the United States.
The hologram pattern was processed by SER Inc., and SiO _n with n of about 2.5 was vapor-deposited on the hologram pattern processed surface 7 to a thickness of about 500Å. In the drawing, the processed surface of the hologram pattern is expressed by a particularly thick line. An acrylic adhesive was applied to the obtained vapor-deposited layer 5 to a thickness of about 3 μm to form an adhesive layer 6, and a hologram pattern transfer film A of the present invention was obtained.

Example 2 A film A for hologram pattern transfer was obtained in the same manner as in Example 1 except that aluminum oxide was used as the transparent metal compound and the hologram pattern was processed not on the protective layer 4 but on the aluminum oxide vapor deposition layer 5. It was

Example 3 The hologram pattern transfer film A obtained in Example 1 was transferred as a transferred object 2 to a black, unpatterned artificial leather made of polyurethane having a thickness of about 1 mm at a temperature of about 120 ° C., and then transferred. The base film 1 was peeled off. Due to the presence of the release agent 3, the base film 1 was easily peeled off, and the artificial leather showed a beautiful hologram pattern having a rainbow-like luster and a ground pattern on the surface. This pattern was robust because it was covered with the protective layer 4, and was preferable as a material for handbags, belts, wallets, outerwear of sandals, outerwear of chairs, and the like.

Example 4 Film A for hologram pattern transfer obtained in Example 2
Was transferred to a gray woven fabric having a thickness of about 0.4 mm as a transfer target 2 at a temperature of about 110 ° C., and the base film 1 was peeled off.
A gorgeous rainbow color and a ground pattern were obtained on a relatively plain gray.
The brightness of the hologram pattern was slightly inferior to that of Example 3, but the modest brightness gave the fabric an elegant glitz, and was a preferable material for high-grade clothes.

[0022]

According to the present invention in which a composite hologram transfer film having a vapor-deposited layer of a transparent metal compound is used for transfer to a film transfer material, the present invention does not lose the brightness on a transfer material having a thick and uneven surface and is durable. The hologram pattern which it has can be processed.

[Brief description of the drawings]

FIG. 1A is an explanatory diagram showing a transfer target and a transfer film before transfer. FIG. 1B is an explanatory diagram showing a state in which the transfer film is transferred to the transfer target.

[Explanation of symbols]

 A Hologram pattern transfer film 1 Base film 2 Transferred material 3 Release agent 4 Protective layer 5 Vapor deposition layer 6 Adhesive layer 7 Hologram pattern processed surface

Claims (5)

[Claims] 1. A release agent layer is provided on one surface of a base film, and a protective layer made of a thermoplastic resin is provided on the release agent layer.
A transfer film comprising a transparent metal compound vapor-deposited on the protective layer, and the transparent metal compound vapor-deposited layer being covered with an adhesive layer, the transparent metal compound vapor-deposited layer of the protective layer constituting the transfer film. A hologram pattern transfer film, wherein a hologram processing is applied to a contact surface with or a contact surface with an adhesive layer of a transparent metal compound vapor deposition layer. 2. A release agent layer is provided on one surface of a base film, and a protective layer made of a thermoplastic resin is provided on the release agent layer.
A transfer film comprising a transparent metal compound vapor-deposited on the protective layer, and the transparent metal compound vapor-deposited layer being covered with an adhesive layer, the transparent metal compound vapor-deposited layer of the protective layer constituting the transfer film. A hologram pattern transfer film having a hologram processed is provided on the contact surface with the transparent metal compound vapor deposition layer or the contact surface with the adhesive layer of the transparent metal compound vapor deposition layer, while the adhesive for the hologram pattern transfer film is provided on the transfer target sheet. A method for transferring a hologram pattern, characterized in that the sides are brought into contact with each other and heated and pressed from the surface of the substrate film to transfer the hologram pattern to the transfer target sheet. 3. The transfer sheet is provided with a transparent metal compound vapor deposition layer via an adhesive layer, and the transparent metal compound vapor deposition layer is protected by a protective layer made of a thermoplastic resin. A transfer sheet having a hologram pattern, characterized in that a hologram processing is applied to a contact surface with a metal compound vapor deposition layer or a contact surface of a transparent metal compound vapor deposition layer with an adhesive layer. 4. The transfer sheet processed with the hologram pattern according to claim 3, wherein the transfer sheet is artificial leather. 5. The transfer sheet processed with the hologram pattern according to claim 3, wherein the transfer sheet is a non-woven fabric.