JP2019064022A - Water pressure transfer film and method for manufacturing decorative molding - Google Patents

Abstract

To provide a water pressure transfer film for obtaining a decorative molding having excellent designability.SOLUTION: A water pressure transfer film has a design layer on a water-soluble film, and has such a shape as to have a defective part with respect to a unit shape formed of a square and a rectangle.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a water pressure transfer film suitable for forming a transfer layer on the surface of a molded article having a three-dimensional surface or a curved surface mainly due to unevenness, and a method for producing a decorated molded article.

For automobile interior goods, home appliances, office automation equipment and the like, molded articles provided with a decoration such as wood grain or metallic tone (metallic luster) on the surface are used. Many of these molded articles have complicated three-dimensional shapes, and a method of simply applying a decorative having high designability to molded articles having the complex shapes has been studied conventionally.
As such a decoration method, a water pressure transfer method using water pressure is known. In this hydraulic transfer method, first, a transfer film having a desired decorative layer printed on a water-soluble or water-swellable base film is prepared, and an active agent containing an organic solvent as a main component on the transfer layer of the transfer film. Is applied to swell and tackify the decorative layer (this is called activation). Before or after that, the transfer film is floated on the water surface with the transfer layer side facing up, and then the article to be transferred is pressed onto the transfer film to transfer the transfer film by water pressure. Adhere to the surface to be transferred to the body decoration process. Then, it is a method of removing a base film and transferring a decoration layer (for example, refer to patent documents 1 and 2).

JP-A-61-66685 Japanese Patent Application Laid-Open No. 60-165300

As described above, the hydraulic transfer method is an excellent method as a method for decorating complex three-dimensional shaped articles. In this method, a pattern or the like is printed on a hydraulic transfer film, and the printed pattern is transferred as it is to a molded body.
On the other hand, in recent years, there has been a demand for transferring a more complicated pattern or the like to such a three-dimensional molded body to obtain an excellent design, and development of a method for achieving this has been desired.
The object of the present invention is to provide a hydraulic transfer film capable of obtaining a decorative molded product having high designability and facilitating control of the design, and using the hydraulic transfer film, it is possible to obtain a decorative design having high designability. An object of the present invention is to provide a method for producing a decorative molded article.

MEANS TO SOLVE THE PROBLEM The present inventors discovered that the outstanding designability could be expressed by changing the shape of a hydraulic transfer film, as a result of earnestly examining with respect to the said subject. The present invention has been completed based on such findings.
That is, the present invention
(1) A water pressure transfer film having a design layer on a water-soluble film, wherein the water pressure transfer film is characterized in that it has a shape having a defective portion with respect to a square or rectangular unit shape, and (2) A method for producing a decorative molded article, comprising the following steps (a) to (e):
The manufacturing method of the decorating molded article containing the following process (a)-(e).
Step (a): A step of preparing a hydraulic transfer film having a design layer on a water-soluble film, wherein the hydraulic transfer film has a shape having a defective portion with respect to a square or rectangular unit shape.
Step (b): a step of suspending the water pressure transfer film having the defect portion on the water surface so that the water soluble film side faces the water surface side.
Step (c): A step of applying an activator composition to the design layer side of the water pressure transfer film.
Step (d): a step of pressing the transfer target onto the hydraulic transfer film having passed through the steps (b) and (c) and adhering the design layer to the transfer surface of the transfer target by water pressure.
Step (e): A film removing step of removing the water-soluble film from the transferred surface of the transferred body.
To provide

  According to the present invention, it is possible to obtain a decorative molded article having high designability and to provide a hydraulic transfer film capable of facilitating control of the design, and using the hydraulic transfer film, it is possible to obtain high decorativeness. It is possible to provide a method for producing a decorative molded article.

It is a plane schematic diagram which shows the hydraulic transfer film of this invention, and the mode of extension. It is a plane schematic diagram which shows the hydraulic transfer film of this invention, and the mode of extension. It is a plane schematic diagram which shows the hydraulic transfer film of this invention, and the mode of extension. It is a plane schematic diagram which shows the condition of the conventional hydraulic transfer film and extension. It is a plane schematic diagram which shows the aspect of one unit of a hydraulic transfer film. It is a plane schematic diagram which shows the other aspect of one unit of a hydraulic transfer film. It is a cross-sectional schematic diagram which shows an example of a structure of the hydraulic transfer film of this invention. It is a photograph of the design side of the decoration formed article manufactured in Example 1. It is a photograph of the design side of the decoration formed article manufactured in Example 2. It is a photograph of the design side of the decoration formed article manufactured by reference example 1.

[Water pressure transfer film]
The hydraulic transfer film of the present invention is characterized in that it has a design layer on a water-soluble film, and is a shape having a deficient portion with respect to a square or rectangular unit shape. Hereinafter, the present invention will be described in detail with reference to the drawings.

FIG. 4 is a schematic plan view showing a conventional hydraulic transfer film (FIG. 4 (A)) and a plan schematic view showing a state in which the hydraulic transfer film is suspended above the water surface (FIG. 4 (B)).
The hydraulic transfer film may be in the form of a sheet or a roll, but one unit (hereinafter, simply referred to as "one unit") transferred to the transfer target is shown in FIG. Thus, when floated in a water tank, it is usually in the form of a rectangle having a long side in the flow direction.
In addition, depending on the shape, size, shape of the pattern to be transferred, etc., one unit of the hydraulic transfer film may be a square (FIG. 5) or a rectangle having a short side in the flow direction. It may be present (FIG. 6). Hereinafter, in the present invention, this rectangle or square is defined as a "unit shape".

The hydraulic transfer film is applied with an active agent before or after being floated in the water tank 2 and stretched in the water tank. The water tank 2 is provided with stoppers 3 at both ends in the flow direction, and the hydraulic transfer film 1 is extended to the position of the stopper (FIG. 4 (B)).
In the case of the conventional unit shape, two sides of the hydraulic transfer film in the flow direction (long side of the unit shape which is rectangular in FIG. 4) are in a positional relationship substantially parallel to the stopper. It is extended uniformly to the position. That is, since the entire design layer is extended by approximately the same distance (4 g, 4 g ′) to the position of the stopper of the water tank, the pattern configured by the design layer is approximately the same pattern as the pattern extended all over A design layer of a certain thickness is transferred to a transferee. Therefore, the design transferred onto the transfer target is transferred as a design printed on the hydraulic transfer film as a uniformly stretched design.

On the other hand, in the water pressure transfer film of the present invention, since the defective portion exists in a part thereof, the design layer around the defective portion has a large degree of extension and the pattern is greatly extended and the thickness of the design layer is thin. Become. Therefore, the design corresponding to the defect portion transferred to the transfer target is a pattern that is more extended and the thickness of the layer is thin, so that the design is a relatively light color.
As described above, by providing the defective portion in the water pressure transfer film, it is possible to impart the contrast of the size, density and contrast of the pattern to the transferred object, and it is possible to impart a more excellent design to the decorative molded product.
In particular, when it is desired to obtain a design emphasizing the contrast between a portion with a large degree of extension and a portion with a small degree of design, it is preferable to make the pattern layer constituting the design layer a pattern. On the other hand, in order to express the design in which the lightness and darkness of a pattern is emphasized, it is preferable to make a pattern layer into a solid printing layer.

The size of the defective portion is not particularly limited as long as the effects of the present invention can be obtained, but the minimum width of the hydraulic transfer film is preferably 30 to 80% of the width of the unit shape. . If it is 30% or more, the hydraulic transfer film can be sufficiently extended to the stopper even in the defective portion, and if it is 80% or less, the extension rate is sufficient, and the effects of the present invention are sufficiently exhibited. A delicate design can be given. From the above points, the minimum width of the hydraulic transfer film is preferably 45 to 70% with respect to the width of the unit shape.
In addition, the size and density of the above-mentioned pattern can be applied to the decorated molded product very simply by the process of providing the defective portion in the hydraulic transfer film. Furthermore, controlling the position and shape of the defect portion has the advantage of facilitating control of the pattern after transfer.

The defective portion of the hydraulic transfer film is not limited as long as the effects of the present invention can be obtained, and various embodiments can be considered.
For example, as shown in FIG. 1A, the defect portion 6 can be formed by forming an asymmetric shape with respect to a center line m parallel to two opposing sides of the unit shape 5. Due to the presence of the defective portion, the distance 4a to the stopper 3 of the water tank is longer than the distance 4b of the portion without the defective portion, and the design is greatly elongated, and the design layer is thin. Be stretched. Therefore, a design having the size of the pattern and the contrast of light and shade is transferred to the transferred body by the defective portion and the other portion.
In the embodiment, the minimum width of the hydraulic transfer film is about 50% of the width of the unit shape.

  Moreover, in the aspect shown by FIG. 2, it is the example which formed the defect | deletion part by providing curvilinear shape in at least one part of the edge which the unit shape opposes. In the case of the said aspect, there exist multiple parts from which the distance to the stopper of a water tank differs, and a delicate pattern can be provided. Specifically, the portions 4c and 4f, which have a relatively short distance to the stopper, have a relatively clogged pattern, and a design with a high color (brightness) can be obtained. On the other hand, portions 4d and 4e where the distance to the stopper is long become a relatively elongated pattern, and a design with a light color (brightness) can be obtained.

  Moreover, the aspect shown by FIG. 3 is an example which formed the defect part by hollowing out the inside of unit shape. In this aspect, the four sides of the unit shape extend outward, and the transfer film is also extended inward so as to fill the defect. Therefore, the design corresponding to the hollowed out portion has an extended pattern and a thinner layer thickness than the other portions, so that a design with low color (brightness) can be obtained.

Hereinafter, the configuration of the hydraulic transfer film used in the present invention will be described in detail. The hydraulic transfer film 1 of the present invention has a design layer 15 including a design layer 12 on a water-soluble film 11, as shown as a schematic cross-sectional view in FIG.
The design layer 15 may have a primer layer 14 and a protective layer 13 in addition to the pattern layer 12. As the layer constitution, one having the primer layer 14, the picture layer 12 and the protective layer 13 as needed from the side of the water-soluble film 11 as needed is mentioned in this order.

[Water-soluble film]
The water-soluble film in the present invention is not particularly limited as long as it has water-solubility or water-swelling property, and it is possible to appropriately select and use from among the films generally used conventionally as water pressure transfer films. it can.
Examples of the resin constituting the water-soluble film include polyvinyl alcohol resin, dextrin, gelatin, glue, casein, shellac, gum arabic, starch, protein, polyacrylamide, sodium polyacrylate, polyvinyl methyl ether, methyl vinyl ether and the like. Various water-soluble resins such as copolymers with maleic acid, copolymers of vinyl acetate and itaconic acid, polyvinyl pyrrolidone, acetyl cellulose, acetyl butyl cellulose, carboxymethyl cellulose, methyl cellulose, hydroxyethyl cellulose, sodium alginate and the like can be mentioned.
These resins may be used alone or in combination of two or more. A rubber component such as mannan, xanthan gum or guar gum may be added to the base film.

Among them, polyvinyl alcohol (PVA) resin films are preferable, in particular, from the viewpoint that the film formation stability is good, the swellability and solubility in water are stable, and there is versatility. The polyvinyl alcohol resin film may contain, in addition to PVA, additives such as starch and rubber.
A polyvinyl alcohol resin film is required when forming a design layer for transfer on a substrate film by changing the degree of polymerization of polyvinyl alcohol, the degree of saponification, and the blending amount of additives such as starch and rubber. Mechanical strength, moisture resistance during handling, speed of softening due to water absorption after floating on water, time required for spreading (extension) or diffusion in water, ease of deformation in the transfer process, etc. can do.

What is suitable as a base film made of a polyvinyl alcohol resin film is as described in JP-A-54-92406. For example, 80% by mass of PVA resin and 15% by mass of high molecular weight water-soluble resin And a starch having a mixed composition of 5% by mass of starch, preferably having an equilibrium water content of about 3%.
In addition, although the polyvinyl alcohol resin film is water soluble, it is preferable that the polyvinyl alcohol resin film remains as a film while being swollen and softened in water before being dissolved in water. By performing the hydraulic transfer while remaining as a film, it is possible to prevent excessive flow and deformation of the design layer for transfer at the time of hydraulic transfer.

  The thickness of the water-soluble film is preferably 10 to 100 μm. If it is 10 μm or more, the uniformity of the film is good and the production stability is high. On the other hand, when it is 100 μm or less, the solubility in water is appropriate, and the printability is excellent. From the above viewpoints, the thickness of the water-soluble film is preferably in the range of 20 to 60 μm, and more preferably in the range of 30 to 50 μm.

  The above-mentioned water-soluble film can be used, for example, by laminating it on a water-permeable substrate (hereinafter referred to as "water-permeable substrate") such as paper, non-woven fabric, cloth etc., but in this case Separate the water-permeable substrate from the water-soluble film before the laminated sheet is floated on the water surface, or the water-permeable substrate is separated by the action of water after floating on the water surface. Is preferred.

[Pattern layer]
The pattern layer in the hydraulic transfer film of the present invention may be patterned or may be a solid print layer.
The picture layer usually contains a binder resin and a colorant. A thermoplastic resin is mentioned as a binder resin of a pattern layer, As a specific example, Polyester resin, such as an acrylic resin and an alkyd, unsaturated polyester resin, urethane resin (for example, polyester urethane type resin), polycarbonate resin, vinyl chloride- Although vinyl acetate copolymer, polyvinyl acetal (butyral resin) such as polyvinyl butyral, and nitrocellulose resin such as nitrified cotton can be mentioned, it is not limited thereto.
The said binder resin may be used individually by 1 type, and may be used in combination of 2 or more type.
In addition, although the acrylic polymer polyol which is 1 type of acrylic resin mentioned later can be added in the range which does not inhibit the effect of this invention, since acrylic polymer polyol has low extensibility, it does not use as a binder resin of a pattern layer. Is preferred.

Examples of coloring agents include carbon black (ink), iron black, titanium white, antimony white, yellow lead, titanium yellow, red iron oxide, cadmium red, ultramarine blue, cobalt blue and other inorganic pigments, quinacridone red, isoindolinone yellow, phthalocyanine Organic pigments such as blue or dyes, metal pigments composed of flakes such as aluminum and brass, and pearlescent pigments composed of flakes such as titanium dioxide coated mica and basic lead carbonate are used.
There is no restriction | limiting in particular as a solvent used for formation of a pattern layer, Aliphatic hydrocarbons, aromatic hydrocarbons, halogenated hydrocarbons, alcohols, polyhydric alcohols, ketones, ethers, esters, Nitro hydrocarbons, nitriles, amines, other acetals, acids, furans and the like can be mentioned. These solvents may be used alone or in combination of two or more.
The thickness of the picture layer is usually about 0.1 to 10 μm, preferably in the range of 0.5 to 2 μm.

[Protective layer]
The protective layer in the hydraulic transfer film of the present invention is a layer provided as needed, and preferably comprises a resin composition containing an acrylic polymer polyol and / or a cured product thereof. The said resin composition and / or its hardened | cured material have a function which protects a pattern layer from the attack by the solvent contained in activator composition.
As the above-mentioned acrylic polymer polyol, one having a weight average molecular weight of 1,000 to 100,000 and a hydroxyl value of 30 to 130 mg KOH / g, which is determined by gel permeation chromatography (GPC) method and converted to standard polystyrene, is used. .
The thickness of the protective layer is usually about 0.1 to 25 μm, and preferably in the range of 0.5 to 10 μm.

[Primer layer]
In the present invention, the design layer further has a primer layer, and the primer layer can be disposed between the water-soluble film and the picture layer. According to this aspect, it is possible to make the design layer clearer.
The primer layer is a layer positioned on the outermost surface of the transferred body, when the top coat layer described later is not formed on the transferred surface of the transferred body. On the other hand, in an embodiment in which a top coat layer as described later is provided, the primer layer is located between the top coat layer and the picture layer, and the pattern layer is protected from the solvent contained in the paint forming the top coat layer. A clear pattern is obtained.
The thickness of the primer layer is usually about 0.1 to 10 μm, preferably in the range of 0.5 to 2 μm.

[Method of producing water pressure transfer film]
The hydraulic transfer film 1 of the present invention shown in FIG. 7 has, for example, a step (A) of forming the primer layer 14 on the water-soluble film 11, a step (B) of forming the pattern layer 12 thereon, and a square Or it can manufacture by the process (C) which provides a defect | deletion part with respect to the unit shape which consists of rectangles. Moreover, the protective layer 13 can be formed on the pattern layer 12 as needed.
In the above, each layer can be formed by a known coating method or printing method, or can be formed by laminating a resin film. Examples of the application method include gravure coating and reverse coating, and examples of the printing method include gravure printing.
Moreover, about a process (C), the method etc. which cut | judge a hydraulic transfer film with a cutter etc. are mentioned as it demonstrates by the below-mentioned process (a).
In the case of a single sheet, the step (A) and the step (B) may be carried out after the step (C) of providing the defective portion in the hydraulic transfer film 1 to obtain the hydraulic transfer film of the present invention.

[Method for producing a decorated molded article]
The method for producing a decorated molded article of the present invention uses a hydraulic transfer film having a design layer on a water-soluble film, and includes the following steps (a) to (e).
Step (a): A step of preparing a hydraulic transfer film having a design layer on a water-soluble film, wherein the hydraulic transfer film has a shape having a defective portion with respect to a square or rectangular unit shape.
Step (b): a step of suspending the water pressure transfer film having the defect portion on the water surface so that the water soluble film side faces the water surface side.
Step (c): A step of applying an activator composition to the design layer side of the water pressure transfer film.
Step (d): a step of pressing the transfer target onto the hydraulic transfer film subjected to the steps (b) and (c) and adhering the design layer to the transfer surface of the transfer target by water pressure.
Step (e): A film removing step of removing the water-soluble film from the transferred surface of the transferred body.
Moreover, you may provide the following process (f) following said process (e).
Step (f): forming a top coat layer on the transfer surface of the transfer body.

<Step (a)>
Process (a) is a hydraulic transfer film which has a design layer on a water-soluble film, and is a process of preparing a hydraulic transfer film which is a shape which has a lack part to unit shape which consists of squares or a rectangle. The said hydraulic-transfer film may prepare beforehand what has a defect | deletion part, and may provide a defect | deletion part by a post process in the process which obtains a decorating molded article.
As described above, the defect portion has various forms, and can be cut by a cutter or the like according to the form. When the hydraulic transfer film is in the form of a roll, the hydraulic transfer film can be unwound from the roll and cut into a desired shape.
On the other hand, there is also a method of processing the water pressure transfer film into a desired shape in advance and winding it in a roll shape.
The same applies to the case of using a sheet-like one as the water pressure transfer film, and the water pressure transfer film may be cut with a cutter or the like according to the form at the production stage of the decorated molded product. A hydraulic transfer film cut and processed into the form of (1) may be used.

<Step (b)>
Step (b) can be performed before or after step (c). The hydraulic transfer film 1 is floated on the water surface so that the water-soluble film 11 side faces the water surface side. In order to float the hydraulic transfer film 1 on the water surface, single sheets of printed matter may be floated one by one, or water may be flowed in one direction, and the continuous belt-like hydraulic transfer film 1 may be continuously formed on the water surface. It may be supplied and floated.

<Step (c)>
The step (c) may be performed before or after the step (b), and is a step of applying the activator composition to the design layer 15. By applying the active agent composition in this step, at least a part of the pattern layer 12 and the protective layer 13 dissolves or swells and softens (activates), and it becomes easy to be in close contact with the transferred object.
Here, although the protective layer partially permeates the solvent, since it contains an acrylic polymer polyol, the attack by the solvent is suppressed.

(Activator composition)
The active agent composition is not particularly limited as long as it has a function of activating the pattern layer 12 and the protective layer 13 and transferring the image to the transferred surface of the transferred body, and the transferred surface of the transferred body It is preferable to have the property that it does not evaporate until each layer is transferred to As such an activator composition, a composition containing, for example, esters, acetylene glycols, ethers, and resins is preferably mentioned.
As esters, ethyl acetate, propyl acetate, butyl acetate, isobutyl acetate, sec-butyl acetate, tert-butyl acetate, dibutyl oxalate, dibutyl phthalate, dimethyl phthalate, dioctyl phthalate, diisooctyl phthalate and the like are preferably mentioned. Be
As acetylene glycols, methoxybutyl acetate, ethoxybutyl acetate, ethyl carbitol acetate, propyl carbitol acetate, butyl carbitol acetate and the like are preferably mentioned.
As ethers, methyl cellosolve, butyl cellosolve, isoamyl cellosolve etc. are mentioned preferably.

  Further, as the resin, thermoplastic resin such as homopolymer or copolymer of acrylate monomer, polyamide resin, polyester resin, phenol resin, melamine resin, urea resin, epoxy resin, alkyd resin phthalate, diallyl phthalate A thermosetting resin such as a resin, an alkyd resin or a polyurethane resin is preferably mentioned, and among them, a thermosetting resin is preferable.

  The content of each preferable composition of the activator composition used in the present invention is 5 to 40% by mass for esters, 40 to 80% by mass for acetylene glycols, 5 to 30% by mass for ethers, and 1 for resins It is about -20 mass%.

The application of the activator composition may be carried out by gravure printing, spray coating or the like, and the application amount is usually 1 to 50 g / m ² , preferably 3 to 30 g / m ² , and more preferably 10 to 10 g / m ^2. It is 20 g / m ² .

<Step (d)>
In the step (d), the object to be transferred is pressed onto the hydraulic transfer film 1 subjected to the steps (a) to (c), and the design layer 15 (at least the pattern layer 12) is applied to the transfer surface of the object It is a process to make it adhere. When the design layer 15 further includes the primer layer 14 and the protective layer 13, the protective layer 13 and the primer layer 14 are simultaneously transferred together with the picture layer 12.
Depending on the type of water-soluble film 11 of the hydraulic transfer film 1 and the like, it is preferable to adjust the appropriate water temperature according to the type of the water-soluble film 11 of the hydraulic transfer film 1. Preferably it is 25-35 ° C.
Moreover, about 20 to 120 second is preferable, and, as for the transfer time of the hydraulic transfer film 1 of this invention and a to-be-transferred body, More preferably, it is about 30 to 60 second.

(Subject)
As the transfer target, for example, polystyrene resin, acrylonitrile-butadiene-styrene copolymer (ABS resin), polycarbonate resin, melamine resin, phenol resin, urea resin, fiber resin, resin such as polyethylene, polypropylene or the like In addition to the mixed resin, it is possible to use a structure made of a metal such as iron, aluminum or copper, a ceramic, a ceramic such as glass, a glass, a wood, a material such as wood.
Further, the shape of the transfer surface may be a two-dimensional shape which is a planar shape, or may be a three-dimensional shape such as a concavo-convex shape or a curved surface shape. Among these, resin structures are generally used frequently. In this resin structure, the mold release agent adheres during molding, and dust, oil and the like may also adhere thereto. In order to transfer the respective layers of the hydraulic transfer film with good adhesion, a degreasing liquid is transferred in advance. It is preferable to clean the surface.

  In the step (d), the activator composition applied on the design layer 15 side is in contact with the transferred body, and the surface of the transferred body is dissolved, thereby adhering the hydraulic transfer film 1 of the present invention to the transferred body. The sex can be made even better.

<Delayering step (e)>
The film removal step (e) is performed after the step (d), and is a step of removing the water-soluble film 11 from the transfer surface of the transfer target.
The removal of the water-soluble film 11 attached on the transfer target surface of the transfer target can be performed, for example, by shower cleaning using water. In addition, although the conditions of shower washing | cleaning change with materials etc. which form the water-soluble film 11, about water temperature 15-60 degreeC and washing | cleaning time about 10 seconds-about 5 minutes are preferable normally. Then, after the step (e), if the material to be transferred is sufficiently dried and the water is evaporated, a resin molded product in which the design layer is provided on the surface to be transferred of the material to be transferred is obtained.

<Step (f)>
The step (f) is a step of forming a top coat layer on the transferred surface of the transferred body, if necessary.
In the step (f), the design layer transferred to the transferred surface of the transferred object in the step (e) is optionally coated for surface strength improvement, surface protection, surface gloss adjustment, etc. Apply to form a transparent to translucent top coat layer. The material for forming the top coat layer is, for example, a thermoplastic resin, a thermosetting resin, an ionizing radiation curable resin (ultraviolet curable resin, electron beam curable resin), and more specifically urethane resin, epoxy resin Acrylic resin, fluorine resin, silicon resin and the like are used. The formation of the top coat layer can be performed by a known coating method such as spray coating, electrostatic coating, brush coating, dip coating, etc., using a coating obtained by dissolving the above-mentioned resin in a known organic solvent. The thickness of the topcoat layer is not particularly limited, but is preferably 1 to 25 μm, and more preferably 1 to 10 μm.

EXAMPLES The present invention will next be described in more detail by way of examples, which should not be construed as limiting the invention thereto.
Example 1
(Production of water pressure transfer film)
Using a PVA film (40 μm thick) as a water-soluble film, a colorant composition comprising a resin comprising a black pigment on one side thereof, and a colorant composition comprising a resin comprising a glitter pigment are sequentially patterned by gravure printing To a thickness of 1 μm each to form a picture layer. As a resin used for the coloring agent composition which comprises a pattern layer, the mixture of nitrification cotton and an alkyd resin was used.

(Manufacturing of decorated moldings)
The water pressure transfer film obtained as described above was processed with a cutter to provide a defective portion 6 as shown in FIG.
10 g / m ^{2 of} an activator composition of the following composition is applied to the surface of the design layer of the water pressure transfer film provided with the defective portion, and suspended on the water surface so that the water soluble film side faces the water surface side. The extension 6 was extended until the stopper 3 was reached. Next, the transfer target was pressed onto the water pressure transfer film, and the design layer (pattern layer) was brought into close contact with the transfer target surface of the transfer target by water pressure. Thereafter, a film removing step of removing the water-soluble film from the transferred surface of the transferred body is performed, and a two-component curable urethane resin is spray-coated on the transferred surface to form a top coat of 10 μm thickness. A layer was formed.
(Composition of activator composition)
Phthalic acid based alkyd resin 6 parts by mass Micro silica (pigment) 2 parts by mass Dibutyl phthalate 17 parts by mass Solvent (butyl carbitol acetate) 60 parts by mass Solvent (butyl cellosolve) 15 parts by mass The decorative molded article produced according to Example 1 The photograph of the design side of is shown in FIG. As apparent from FIG. 8, the design of the design surface (the design on the upper side in FIG. 8) corresponding to the defect portion is broadened and has a pale design, and has contrast with other parts. It became an excellent design.

Example 2
A decorative formed article was obtained in the same manner as in Example 1, except that the hydraulic transfer film was processed with a cutter in the production process of the decorative formed article, and the defective portion 6 as shown in FIG. 2 was provided.
The photograph of the design surface of the decorative molded product manufactured by Example 2 is shown in FIG. As apparent from FIG. 9, an excellent design was obtained in which the design had a curvilinear shape in a shape along the shape of the hydraulic transfer film.

Example 3
A decorative formed article is obtained in the same manner as in Example 1, except that the hydraulic transfer film is processed with a circular cutter in the production process of the decorative formed article, and the defective portion 6 as shown in FIG. 3 is provided. The
Similarly to Example 1, in the decorative molded article produced according to Example 3, the portion corresponding to the defect portion of the water pressure transfer film is in a form in which the design of the water pressure transfer film is spread and is light Because of the contrast with the part, it became an excellent design.

Reference Example 1 (Conventional Example)
A decorated molded article was obtained in the same manner as in Example 1 except that no defective portion was provided in Example 1. The decorative molded product had a design transferred uniformly (see FIG. 10).

According to the hydraulic transfer film of the present invention, a decorative molded product having an excellent design with different patterns of spread and shade is obtained and is particularly useful for automobile interior goods, home appliances, OA equipment and the like.
Furthermore, according to the present invention, control of the design is easy, and the above-mentioned decorated molded article can be obtained with high productivity.

1; water pressure transfer film 2; water tank 3, 3 '; stopper 4a, 4a' to 4h, 4h '; extension distance 5; unit shape 6; defect portion 11; water soluble film 12; pattern layer 13; protective layer 14; Layer 15; Design layer m; Center line

Claims (5)

  A water pressure transfer film having a design layer on a water-soluble film, wherein the water pressure transfer film has a shape having a deficient portion with respect to a square or rectangular unit shape.   The water pressure transfer film according to claim 1, wherein the defect portion is obtained by forming an asymmetrical shape with respect to a center line parallel to two opposing sides of the unit shape.   The water pressure transfer film according to claim 1, wherein the defect portion is achieved by having a curvilinear shape on at least a part of opposing sides of a unit shape.   The water pressure transfer film according to claim 1, wherein the defect portion is obtained by hollowing out the inside of the unit shape. The manufacturing method of the decorating molded article containing the following process (a)-(e).
Step (a): A step of preparing a hydraulic transfer film having a design layer on a water-soluble film, wherein the hydraulic transfer film has a shape having a defective portion with respect to a square or rectangular unit shape.
Step (b): a step of suspending the water pressure transfer film having the defect portion on the water surface so that the water soluble film side faces the water surface side.
Step (c): A step of applying an activator composition to the design layer side of the water pressure transfer film.
Step (d): a step of pressing the transfer target onto the hydraulic transfer film subjected to the steps (b) and (c) and adhering the design layer to the transfer surface of the transfer target by water pressure.
Step (e): A film removing step of removing the water-soluble film from the transferred surface of the transferred body.