JP6550853B2 - Decorative molded product and its manufacturing method - Google Patents

Description

  The present invention relates to a decorative molded product and a manufacturing method thereof.

  For building materials, automobile interior goods, home appliances, office automation equipment and the like, molded articles having a woodgrain or metal tone or the like on their surface are used. Many of these molded articles have complicated three-dimensional shapes, and conventionally, a method of simply applying a decorative having high designability to molded articles having the complicated shapes has been studied.

  As one of such decoration methods, a water pressure transfer method using water pressure is known. In the hydraulic transfer method, a transfer film in which a desired decorative layer is printed on a water-soluble or water-swellable water-soluble film is prepared, and an activator composition composed of an organic solvent is applied to the decorative layer of the transfer film. , Swelling and tackifying the decorative layer (this is referred to as activation). Before or after that, the transfer film is floated on the water surface with the decorative layer (printing layer) surface for transfer as the upper surface, and then the article to be transferred is pressed onto the transfer film by water pressure. After the transfer film is brought into close contact with the transfer surface of the transfer object to be decorated, the water-soluble film is removed to transfer the decoration layer.

  Such a water pressure transfer method is an excellent curved surface decoration method in terms of designability such as transfer processability to a three-dimensional surface, “depth” of a clear painter, etc., and high quality pattern expression. It has been known. It is known that a decorative molded product obtained by using such a hydraulic transfer method has a design that exhibits an excellent three-dimensional effect on a resin molded product.

  For example, Patent Document 1 uses a hydraulic transfer film having a design layer on a water-soluble film, a low-gloss part containing a binder resin and a matting agent, and a high-gloss part containing an acrylic polymer polyol or a cured product thereof. It is disclosed that a decorative molded product that expresses a design having a concavo-convex feeling can be produced by a technique that expresses a strong contrast based on the difference in gloss.

JP 2013-240976 A

However, in the method disclosed in Patent Document 1, for example, the transfer processability of the acrylic polyol layer which is a high gloss portion is slightly inferior. Moreover, in this method, it is necessary to provide two layers, a low gloss portion and a high gloss portion. Therefore, there is a problem that the production cost increases in order to display a high three-dimensional effect on the decorative molded product by the method disclosed in Patent Document 1.
Under such circumstances, the present invention provides a decorative molded product that has a design that expresses a high three-dimensional appearance with a matte tone as a whole, and that provides a method for producing the same. Main purpose.

  The present inventors have intensively studied to solve the above problems. As a result, by creating a decorative molded product having a matte finish molded product and a pattern layer provided on a part of the surface of the matte finish molded product, a high three-dimensional appearance is displayed with a matte finish. It has been found that it is possible to reduce the production cost of the decorated molded product. The present invention has been completed by repeating studies based on such findings.

That is, the present invention provides the invention of the aspects listed below.
Item 1. A decorative molded product comprising a matte molded product and a pattern layer provided on a part of the surface of the matte molded product.
Item 2. Item 2. The decorative molded product according to Item 1, wherein the matte molded product has a gloss value (60 °) on the surface on the pattern layer side of 50 or less.
Item 3. Item 3. The decorative molded product according to item 1 or 2, wherein the matte molded product includes a matting agent on the surface on the pattern layer side.
Item 4. The matte molded product is a laminate of a base material layer and a matting agent-containing resin layer,
Item 4. The decorative molded product according to any one of Items 1 to 3, wherein the matting agent-containing resin layer is laminated on the pattern layer side.
Item 5. Item 5. The decorative molded product according to Item 4, wherein the matting agent-containing resin layer contains 1 to 40 parts by mass of the matting agent with respect to 100 parts by mass of the binder resin.
Item 6. Item 6. The decorative molded product according to any one of Items 1 to 5, wherein the pattern layer is formed by a hydraulic transfer method.
Item 7. Item 7. The decorative molded product according to any one of Items 1 to 6, further comprising a top coat layer on the pattern layer.
Item 8. Item 8. The decorated molded article according to item 7, wherein the top coat layer is matte.
Item 9. A method for producing a decorative molded product, comprising a matte molded product, and a pattern layer provided on a part of the surface of the matte molded product,
Using a hydraulic transfer film having a water-soluble film and a pattern layer provided on a part of the water-soluble film, the step of transferring the pattern layer onto a matte molded product, Production method.
Item 10. Item 10. The method for producing a decorative molded product according to Item 9, wherein the matte molded product has a surface gloss value (60 °) of 50 or less.
Item 11. The matte molded product is a laminate of a base material layer and a matting agent-containing resin layer,
Item 11. The method for producing a decorative molded product according to Item 9 or 10, wherein the matting agent-containing resin layer is laminated on the pattern layer side.

  According to the present invention, it is possible to provide a decorative molded article having a design that exhibits a high three-dimensional effect in a matte tone throughout and has a reduced production cost. Furthermore, according to the present invention, it is possible to provide a suitable manufacturing method of the decorated molded article.

It is a schematic sectional drawing which shows an example of a structure of the decorative molded article of this invention. It is a schematic sectional drawing which shows an example of a structure of the decorative molded product of this invention. It is a schematic sectional drawing which shows an example of a structure of the decorative molded product of this invention. It is a schematic sectional drawing which shows an example of a structure of the hydraulic transfer film used for manufacture of the decorative molded product of this invention.

  The decorated molded article of the present invention is characterized by having a gloss-like molded article and a pattern layer provided on a part of the surface of the gloss-like molded article. The decorative molded article of the present invention has such a configuration, so that it has a design having a matte appearance and a high three-dimensional effect as a whole, and the production cost is reduced. The decorative molded article of the present invention can be suitably produced by a hydraulic transfer method described later. In the present invention, the “pattern layer provided on a part of the surface of the matte molded product” includes a portion provided with a pattern layer and a portion not provided on the entire surface of the matte molded product. The aspect currently formed in the pattern form or the non-pattern form is contained.

  As described above, in a conventional decorative molded product (in particular, a decorative molded product manufactured by a hydraulic transfer method), a design layer having a design layer, a low gloss portion, and a high gloss portion on the molded product, The design which expresses a high three-dimensional effect is given by forming. Such a design is formed, for example, on a water-soluble film by a hydraulic transfer method using a hydraulic transfer film having the design layer having the low gloss portion and the high gloss portion and the pattern layer in order. However, such decoration with a hydraulic transfer film does not have sufficient transfer processability because acrylic polyol is used in the design layer. Furthermore, in this method, it is necessary to provide two layers, a low gloss portion and a high gloss portion. For this reason, there exists a problem that production cost increases in order to make a decorative molded product express a high three-dimensional effect by the conventional method.

  On the other hand, in the decorated molded article of the present invention, the surface of the molded article before decorating is matted (that is, the surface of the molded article itself is matted), and the matted molded article By providing the design layer 2 on a part of the surface of the film, it is not necessary to provide a design layer exhibiting a high matte appearance and high three-dimensional effect on the entire surface, and a low transfer processability. Can be reduced. Hereinafter, the decorative molded article of the present invention will be described in detail with reference to FIGS.

[Decorative molded products]
FIGS. 1-3 is a schematic sectional drawing which shows an example of a structure of the decorative molded article of this invention. As shown in FIG. 1, the decorative molded product 10 of the present invention includes a matte molded product 1 and a pattern layer 2. At least the surface on the side of the pattern layer 2 of the matte-tone molded article 1 has a matte-tone tone.

  The pattern layer 2 is provided on a part of the matte surface of the matte molded product 1. That is, the surface of the matte molded product 1 is composed of a portion where the pattern layer 2 is provided and a portion where the pattern layer 2 is not provided. For this reason, when the decorative molded product 10 of the present invention is viewed from the pattern layer 2 side, the matte tone of the matte tone molded product 1 in which the pattern layer 2 is provided and the pattern layer 2 is not provided. The surface is visible. Since the decorative molded product 10 of the present invention has such a configuration, the pattern layer 2 and the matte contrast of the matte tone surface of the matte tone molded product 1 on which the pattern layer 2 is not provided are entirely present. It has a design with a matte tone and a high three-dimensional appearance.

  Further, as shown in FIG. 2, in the decorative molded product 10 of the present invention, the matte-tone molded product 1 is a laminate of a base material layer 1a and a matting agent-containing resin layer 1b. The eraser-containing resin layer 1b may be laminated on the picture layer 2 side.

  Furthermore, as shown in FIG. 3, the decorative molded article 10 of the present invention may further have a top coat layer 3 on the picture layer 2 as needed. Hereinafter, each layer which comprises the decorative molded product 10 of this invention is explained in full detail.

<Matte-tone molded product 1>
At least the surface on the side of the pattern layer 2 of the matte-tone molded article 1 has a matte-tone tone. As described above, in the decorated molded article 10 of the present invention, the decorative molded article 10 is formed into the pattern layer 2 because a part of the matte-like surface of the matted and formed article 1 is covered by the pattern layer 2. When viewed from the side, due to the contrast of the luster-like surface of the matte-tone molded article 1 in which the pattern layer 2 and the pattern layer 2 are not provided, a high three-dimensional effect is exhibited in a matte-tone overall.

  From the viewpoint of further enhancing the three-dimensional effect exhibited by the decorative molded product 10 of the present invention, the gloss value (60 °) of the surface on the pattern layer 2 side of the matte molded product 1 is preferably 50 or less, more preferably Is 40 or less, more preferably 20 or less. The lower limit value of the gloss value (60 °) is usually about 5. In the present invention, the gloss value (60 °) is a gloss value measured as a condition of an incident angle of light of 60 ° with respect to the surface of the matte-molded product using a commercially available gloss meter. It is the average value which measured.

  The material constituting the matte molded product 1 is not particularly limited. For example, polystyrene resin, acrylonitrile-butadiene-styrene copolymer (ABS resin), polycarbonate resin, melamine resin, phenol resin, urea resin, fiber system In addition to resins such as resin, polyethylene, and polypropylene, or a mixture of these, it is possible to use structures made of materials such as metals such as iron, aluminum, and copper, ceramics such as ceramics, glass, and wood, and wood. . In addition, the shape of the lusterless molded product 1 is not particularly limited, and 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. As the matte molded product 1, a resin structure is frequently used. The matte molded product 1 can be produced by a known molding method using, for example, the above materials.

  The surface of the matte molded product 1 may be matted by, for example, a method of roughening the surface of the molded product or a method of adding a matting agent to the surface of the matte molded product 1. it can.

  It is preferable that the matting molded article 1 contains a matting agent on the surface on the side of the pattern layer 2. When the surface of the matte molded article 1 contains a matting agent, the surface of the matte molded article 1 can be easily matted.

  The method of adding a matting agent to the surface of the matte molded product 1 is not particularly limited. For example, the matting agent is mixed with the above-mentioned resin forming the matte molded product 1 to create a matte finish. The method of making into the goods 1, the method of making the glossiness molded article 1 into the laminated body of the base material layer 1a and the matting agent containing resin layer 1b, etc. are mentioned.

  Examples of the matting agent include inorganic fillers selected from silica, clay, heavy calcium carbonate, light calcium carbonate, precipitated barium sulfate, calcium silicate, synthetic silicate, and fine silicate powder, and acrylic resin. And organic fillers or resin beads selected from urethane resins, nylon resins, polypropylene resins, or urea resins, and any one of them may be used, or two or more may be used in combination. Among these, silica, calcium carbonate, and precipitated barium are preferable from the viewpoint of giving the decorative molded article 10 a design that expresses a high three-dimensional appearance with a matte tone as a whole, and silica is more preferable. Can be mentioned.

  The volume average particle size of the matting agent is preferably 0.5 to 25 μm, more preferably 1 to 15 μm, still more preferably 1 to 10 μm, still more preferably 1 to 5 μm, particularly preferably 1 to 3 μm . If the volume average particle size of the matting agent is 25 μm or less, the stress during processing is diffused due to the increase of the interface area, and the voids generated at the interface absorb energy or the distance between particles is reduced. By this, plastic deformation occurs between particles or voids, and whitening upon extension can be suppressed. Moreover, it is preferable from a viewpoint of a matting effect that the volume average particle diameter of a matting agent is 0.5 micrometer or more. The volume average particle size referred to here is the particle size at an integrated value of 50% in the particle size distribution determined by the laser diffraction-scattering method.

  The oil absorption measured in accordance with JIS K 5101-13-1: 2004 of matting agent is 230 mL / 100 g or more, preferably 230 to 400 mL / 100 g, more preferably 230 to 350 mL / 100 g. 230-300 mL / 100 g is more preferable. It is preferable to use a matting agent having an oil absorption amount of 230 mL / 100 g or more from the viewpoint of a matting effect, and using a matting agent having an oil absorption amount of 400 mL / 100 g or less applies the matting agent to the coating liquid. In the case, it is preferable from the viewpoint of maintaining appropriate thixotropy and not impairing coating suitability.

  The matting agent may be surface-treated. Such a surface treatment is preferable because cracks and whitening during molding can be suppressed. The method of treatment is not particularly limited as long as the above effects can be obtained, and surface treatment with an organic material or surface treatment with an inorganic material may be used. Particularly preferred is a silane coupling treatment.

  In the case where the matte-shaped molded article 1 is a laminate of the base material layer 1a and the matting agent-containing resin layer 1b, the material and shape of the substrate layer 1a are the same as those of the above-mentioned matte-cast molded article 1 It can be.

  The matting agent-containing resin layer 1b is preferably made of a resin composition containing a binder resin and a matting agent, or a cured product thereof.

  Examples of the binder resin include thermoplastic resins. Specific examples include acrylic resins, polyester resins such as alkyds, unsaturated polyester resins, urethane resins (for example, polyester urethane resins), polycarbonate resins, and vinyl chloride-acetic acid. Examples thereof include vinyl copolymers, polyvinyl acetals (butyral resins) such as polyvinyl butyral, and nitrocellulose resins such as nitrified cotton. These resins may be used alone or in combination of two or more.

  As the binder resin, a resin mainly composed of an acrylic polymer polyol can be used, but the content of such a resin is preferably small. Specifically, the content of the resin containing an acrylic polymer polyol as a main component is 5% by mass or less, more preferably 3% by mass or less, and most preferably 1% by mass or less in 100% by mass of the binder resin. If it is this grade, the effect of this invention will not be inhibited significantly.

  Further, in order to improve the physical properties, the binder resin may be further added with an ionizing radiation curable resin, a thermosetting resin, or a curing agent thereof (isocyanate, etc.) as long as the moldability is not impaired. Can do.

  The isocyanate may be a polyvalent isocyanate having two or more isocyanate groups in the molecule. For example, 2,4-tolylene diisocyanate (TDI), xylene diisocyanate (XDI), naphthalene diisocyanate, 4,4′- Aromatic isocyanates such as diphenylmethane diisocyanate or aliphatics such as 1,6-hexamethylene diisocyanate (HMDI), isophorone diisocyanate (IPDI), methylene diisocyanate (MDI), hydrogenated tolylene diisocyanate, hydrogenated diphenylmethane diisocyanate Polyisocyanates such as (alicyclic) isocyanates are used.

  In addition, if necessary, a blocked isocyanate may be used in which the isocyanate group is protected by a suitable blocking agent and inactivated, and the isocyanate group is regenerated by heating. As the blocking agent, for example, a known blocking agent such as active methylene such as phenol, alcohol, dimethyl malonate, ethyl acetoacetate, or oxime may be used.

  The matting agent in the matte-containing resin layer 1b is the same as the matting agent described above. The content of the matting agent in the matte-containing resin layer 1b is not particularly limited, but it is a binder resin from the viewpoint of giving the decorative molded product 10 a design that expresses a high three-dimensional appearance with a matte tone as a whole. The amount is preferably about 1 to 40 parts by mass, and more preferably about 20 to 40 parts by mass with respect to 100 parts by mass.

  The matte-containing resin layer 1b is formed by, for example, applying a coating liquid in which the above-described binder resin, matting agent, and isocyanate or other components as necessary are dissolved or dispersed in a solvent on the base layer 1a. And it can dry and harden | cure as needed. Application, drying, and curing can each be performed by known methods.

  The thickness of the matte-containing resin layer 1b is not particularly limited, but is preferably about 1 to 25 μm from the viewpoint of giving the decorative molded product 10 a design that expresses a high level of three-dimensional appearance with a matte tone. More preferably, about 1-15 micrometers is mentioned.

<Pattern layer 2>
The picture layer 2 is a layer that provides the decorative molding 10 with a decorative property. The pattern formed by the pattern layer 2 is not particularly limited. For example, a grain pattern, a texture pattern or a cloth-like pattern imitating the surface of a rock such as a grain pattern, a marble pattern, or a marble pattern (for example, a travertine marble pattern). Examples include simulated fabric patterns, tiled patterns, and brickwork patterns, and patterns such as marquetry and patchwork that combine these patterns.

  In the decorative molded product 10 of the present invention, the pattern layer 2 is provided on a part of the surface of the glossy / shaped molded product 1 and has a part where the pattern layer 2 is not provided. For example, in the wood grain pattern, the conduit portion is a missing pattern, and the pattern is provided in other portions. With such a configuration of the pattern layer, the decorative molded product 10 of the present invention has a glossy surface between the matte tone surface of the matte tone molded product 1 and the pattern layer 2, which is a missing portion where the pattern layer 2 is not provided. Has a design in which a high-level three-dimensional effect is exhibited in a matte tone on the whole.

  When the matte molded product 1 is composed of the base material layer 1a and the matting agent-containing resin layer 1b described above, the pattern layer 2 has a matting agent-containing resin layer 1b surface as shown in FIG. It is provided in a part of.

  The pattern layer 2 usually contains a binder resin and a colorant. Examples of the binder resin for the pattern layer 2 include thermoplastic resins. Specific examples include acrylic resins, polyester resins such as alkyds, unsaturated polyester resins, urethane resins (for example, polyester urethane resins), polycarbonate resins, and vinyl chloride. -A polyvinyl acetate copolymer (polyvinyl acetal), polyvinyl acetal such as polyvinyl butyral (butyral resin), nitrocellulose resin such as nitrified cotton, etc. may be mentioned. The binder resin may be used alone or in combination of two or more.

  Colorants include carbon black (black), iron black, titanium white, antimony white, yellow lead, titanium yellow, petal, cadmium red, ultramarine, cobalt blue and other inorganic pigments, quinacridone red, isoindolinone yellow, phthalocyanine Organic pigments or dyes such as blue, metal pigments composed of scaly foil pieces such as aluminum and brass, pearlescent pigments composed of scaly foil pieces such as titanium dioxide-coated mica and basic lead carbonate, and the like are used.

  The formation of the picture layer 2 can be performed by a known method such as, for example, a hydraulic transfer method. Above all, the design layer 2 is preferably formed by a water pressure transfer method in that a design having a matte appearance and high three-dimensional effect can be given to the decorated molded product 10 as a whole.

  Although it does not restrict | limit especially as thickness of the pattern layer 2, From a viewpoint of providing the design which expresses a high three-dimensional effect by the matte tone to the decorating molded article 10, Preferably it is about 1-25 micrometers, More preferably About 1-15 micrometers is mentioned.

  The hydraulic transfer method is a method of using a hydraulic transfer film 20 to decorate a molded product. The hydraulic transfer film 20 is preferably a water-soluble film 4 and a film in which the pattern layer 2 is provided on the water-soluble film 4. It is preferable that the pattern layer 2 of the decorative molded article 10 of the present invention is formed by transferring the pattern layer 2 of the water pressure transfer film onto the glossy and faded molded article 1.

  FIG. 4 shows a schematic cross-sectional view of an example of a hydraulic transfer film. As shown in FIG. 4, the hydraulic transfer film 20 includes the pattern layer 2 on the water-soluble film 4.

  Examples of the resin constituting the water-soluble film 4 include polyvinyl alcohol resin, dextrin, gelatin, glue, casein, shellac, gum arabic, starch, protein, polyacrylamide, sodium polyacrylate, polyvinyl methyl ether, and methyl vinyl ether. Examples thereof include various water-soluble polymers such as a copolymer with maleic anhydride, a copolymer of vinyl acetate and itaconic acid, polyvinylpyrrolidone, acetylcellulose, acetylbutylcellulose, carboxymethylcellulose, methylcellulose, hydroxyethylcellulose, and sodium alginate. These resins may be used alone or in combination of two or more. Note that rubber components such as mannan, xanthan gum and guar gum may be added to the water-soluble film 4.

  Among the water-soluble films 4, a polyvinyl alcohol (PVA) resin film is particularly preferable from the viewpoints of production stability, solubility in water and economy. The polyvinyl alcohol resin film may contain additives such as starch and rubber in addition to PVA.

  The polyvinyl alcohol resin film is a transfer printing layer (picture layer 2) for the water-soluble film 4 by changing the polymerization degree of polyvinyl alcohol, the saponification degree, and the amount of additives such as starch and rubber. Mechanical strength required when forming the film, moisture resistance during handling, speed of softening by water absorption after floating on the water surface, time required for spreading or spreading in water, ease of deformation in the transfer process, etc. Can be adjusted as appropriate.

  A suitable water-soluble film 4 made of a polyvinyl alcohol resin film is the one described in JP-A-54-92406, for example, 80% by mass of PVA resin, 15% by mass of polymer water-soluble resin. It is preferable that the composition has a mixed composition of 5% by weight of starch, and the equilibrium moisture is 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 in the form of a film, it is possible to prevent excessive flow and deformation of the printing layer for transfer at the time of hydraulic transfer.

  As thickness of the water-soluble film 4, 10-100 micrometers is preferable. 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 more preferably in the range of 20 to 60 μm.

  The water-soluble film 4 can be used by being laminated with a water-permeable base material such as paper, non-woven fabric, and cloth, for example. When the water-soluble film 4 having the property is laminated, before the hydraulic transfer film 20 is floated on the water surface, the substrate having water permeability is separated from the water-soluble film 4 having water solubility or water swellability, or It is preferable that the substrate having water permeability is separated from the water-soluble or water-swellable water-soluble film 4 by the action of water after floating on the water surface.

  The configuration of the pattern layer 2 of the hydraulic transfer film 20 is preferably the same as the configuration of the pattern layer 2 of the decorative molded product 10 of the present invention.

  The hydraulic transfer film 20 is formed by forming the picture layer 2 on the water-soluble film 4 by a known coating method or printing method using a coating liquid constituting the picture layer 2 or by laminating a resin film. Can be manufactured. Examples of the application method include gravure coating and reverse coating, and examples of the printing method include gravure printing.

  A specific method for forming the pattern layer 2 using the hydraulic transfer film 20 will be described in the paragraph of the method for producing a decorative molded product of the present invention at a later stage.

<Topcoat layer 3>
The decorative molded product 10 of the present invention may further have a top coat layer 3 on the pattern layer 2. By having the top coat layer 3, the pattern layer 2 can be protected, the surface strength can be increased, and the gloss of the surface can be adjusted.

  FIG. 3 is a schematic cross-sectional view showing an example of the configuration of the decorative molded product 10 of the present invention having the top coat layer 3 on the pattern layer 2.

  As a material for forming the top coat layer 3, for example, a thermoplastic resin, a thermosetting resin, an ultraviolet curable resin, etc. are selected. Specifically, a urethane resin, an epoxy resin, an acrylic resin, a fluorine resin And silicon-based resins.

  The top coat layer 3 can be formed by a known coating method such as spray coating, electrostatic coating, brush coating, or dip coating, using a paint obtained by dissolving the above-described resin in a known organic solvent. .

  The top coat layer 3 may be matte. When the topcoat layer 3 has a matte tone, the topcoat layer 3 preferably contains a matting agent. As the matting agent used for the top coat layer 3, those exemplified in the column of the matte molded product 1 can be used. When the topcoat layer 3 contains a matting agent, the content of the matting agent in the topcoat layer 3 is preferably about 1 to 40% by mass, more preferably about 20 to 40% by mass.

  The thickness of the top coat layer 3 is not particularly limited, and is preferably 1 to 25 μm, more preferably 1 to 15 μm.

[Method of manufacturing decorative molded product]
The method for producing the decorative molded product of the present invention is not particularly limited, but it is possible to use a hydraulic transfer film having a water-soluble film and a pattern layer provided on a part of the water-soluble film. A hydraulic transfer method having a step of transferring a picture layer onto a molded article is preferred.

  The hydraulic transfer film 20 having the water-soluble film 4 and the pattern layer 2 provided on a part of the water-soluble film 4 is as described above.

The process of transferring the pattern layer 2 onto the matte molded product 1 using the hydraulic transfer film 20 specifically includes the following steps (a) to (d).
That is, the decorative molded product 10 of the present invention can be preferably manufactured by a method including the following steps (a) to (d).
Step (a) A step of floating the hydraulic transfer film on the water surface so that the water-soluble film side is facing downward and the water surface side. Step (b) An activator application step of applying an activator composition to the pattern layer side of the hydraulic transfer film. Step (c) The matte molded product is pressed on the hydraulic transfer film floating on the water surface after the steps (a) and (b), and the pattern layer is matted by the water pressure. Step of adhering to the surface to be finished Step (d) Step of removing the water-soluble film adhering to the matte surface of the matte finished molded product

Moreover, following the said process (d), you may provide the following process (e).
Step (e): A step of forming a topcoat layer on the pattern layer formed on the matte-tone molded product

<Process (a)>
Step (a) can be performed before or after step (b). In the step (a), the hydraulic transfer film 20 is floated on the water surface so that the water-soluble film 4 side faces downward and faces the water surface. In order to float the hydraulic transfer film 20 on the water surface, single-sheet printed matter may be floated one by one, or water may be flowed in one direction, and the continuous belt-like hydraulic transfer film 20 may be continuously formed on the water surface. It may be supplied and floated.

<Step (b)>
The step (b) can be performed before or after the step (a), and is a step of applying the activator composition to the pattern layer 2 side of the hydraulic transfer film 20. By applying the activator composition in this step, at least a part of the pattern layer 2 dissolves or swells and softens (activates), and becomes easy to adhere to the matte molded product 1 that is a transfer target.

(Activator composition)
The activator composition applied to the pattern layer 2 has a function of activating the pattern layer 2 and transferring the pattern layer 2 to the transfer surface (that is, the matte surface) of the transfer target (that is, the matte surface molding product 1). The composition is not particularly limited as long as it has a composition, and preferably has a property such that it does not evaporate until each layer is transferred onto the transfer surface of the transfer object. As such an activator composition, the composition containing ester, acetylene glycol, ethers, and resin is mentioned preferably, for example.

  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. It is done. Preferred examples of acetylene glycols include methoxybutyl acetate, ethoxybutyl acetate, ethyl carbitol acetate, propyl carbitol acetate, and butyl carbitol acetate. Preferred examples of ethers include methyl cellosolve, butyl cellosolve, and isoamyl cellosolve.

  Resins include thermoplastic resins such as acrylate monomers alone or copolymers, polyamide resins, polyester resins, phenol resins, melamine resins, urea resins, epoxy resins, alkyd phthalate resins, diallyl phthalates Preferred examples include thermosetting resins such as resins, alkyd resins, and polyurethane resins, and among these, thermosetting resins are preferred.

  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 About 20% by mass.

Coating of the active agent composition may be performed by gravure printing, spray coating method, the coating amount is usually 1 to 50 g / m ^2, preferably from 3 to 30 g / m ^2, more preferably 10 to 20 g / m ² .

<Step (c)>
In the step (c), the matte molded product 1 as a transfer target is pressed onto the hydraulic transfer film 20 that has floated on the water surface after the steps (a) and (b), and the hydraulic transfer film is pressed by water pressure. In this step, 20 pattern layers 2 are brought into close contact with the matte surface of the matte molded product 1. When the matte molded product 1 has the matting agent-containing resin layer 1b, the transfer surface is the surface of the matting agent-containing resin layer 1b. The water for applying the floating water pressure to the hydraulic transfer film 20 should be adjusted to an appropriate water temperature according to the type of the water-soluble film 4 of the hydraulic transfer film 20, etc., preferably about 25 to 50 ° C. Preferably it is 25-35 degreeC.

  Moreover, about 20 to 120 seconds are preferable, and, as for the transfer time of the hydraulic transfer film 20 of this invention and the lusterless molded article 1, about 30 to 60 seconds are more preferable.

  In the step (c), the activator composition applied to the pattern layer 2 is in contact with the matte molded product 1 and the surface of the matte molded product 1 is dissolved, so that the hydraulic transfer film 20 and the matte molded product are obtained. The adhesiveness with the product 1 can be further improved.

<Step (d)>
Step (d) is a step of removing the water-soluble film 4 which is performed after the step (c) and is in close contact with the transfer surface (matte surface) of the matte molded product 1. The removal of the water-soluble film 4 adhering to the transfer surface of the matte molded product 1 can be performed, for example, by shower cleaning using water. The shower cleaning conditions vary depending on the material for forming the water-soluble film 4, but a water temperature of about 15 to 60 ° C. and a cleaning time of about 10 seconds to 5 minutes are usually preferable. And after a process (d), a to-be-transferred body is fully dried and a water | moisture content is evaporated.

  The decorative molded article 10 of the present invention can be manufactured by the above steps (a) to (d).

<Process (e)>
Step (e) is a step of forming a topcoat layer 3 as necessary on the pattern layer 2 formed on the matte molded product 1. When performing the step (e), in the step (e), the pattern layer 2 is coated as necessary for improving the surface strength, protecting the surface, adjusting the gloss of the surface, and the like. A top coat layer 3 is formed.

  As a material for forming the top coat layer 3, for example, a thermoplastic resin, a thermosetting resin, an ultraviolet curable resin, or the like is selected. Specifically, a urethane resin, an epoxy resin, an acrylic resin, a fluorine resin, A silicon-based resin or the like is used. The top coat layer 3 can be formed by a known coating method such as spray coating, electrostatic coating, brush coating, or dip coating, using a paint obtained by dissolving the above resin in a known organic solvent. . The thickness of the top coat layer is preferably 1 to 25 μm, more preferably 1 to 10 μm.

  EXAMPLES Next, although an Example demonstrates this invention further in detail, this invention is not limited at all by these examples. In addition, the gloss value (60 °) measured in Examples and Comparative Examples is a gloss value measured using a commercially available gloss meter as a condition of a light incident angle of 60 ° with respect to the surface of the matte-tone molded product. The average value obtained by measuring three arbitrary points.

<Example of production of hydraulic transfer film>
As a water-soluble film, a polyvinyl alcohol (PVA) film (thickness: 40 μm) is used, and on one side thereof, the following ink containing nitrified cotton and alkyd resin at a mass ratio of 80:20 is used for gravure printing. A hydraulic pressure transfer film in which a pattern layer (thickness: 3 μm) having a grain pattern in which the portion was missing and the other portion was a pattern was formed, and a water-soluble film / pattern layer was laminated was obtained.
(Ink forming the pattern layer)
A colored ink comprising nitrified cotton and alkyd resin in a mass ratio of 80:20 and using a petal and carbon black as a colorant in a predetermined blending ratio.

<Manufacture of matte molded product A>
Urethane resin (100 parts by weight of binder resin, matte) for forming a matting agent-containing resin layer on the surface of an ABS resin plate (thickness 2 mm, surface gloss value (60 °) is 60) as a base material layer As the agent, 30 mass of silica) was applied to form a matting agent-containing resin layer (thickness: 10 μm). The gloss value (60 °) of the surface of the obtained matte molded product A was 5.

<Manufacture of matte molded product B>
In the production of the matte molded product A, the matte is contained in the coating liquid for forming the matting agent-containing resin layer except that the matting agent content is 20 parts by mass with respect to 100 parts by mass of the binder resin. In the same manner as in the production of the conditioned molded article A, a glossy finished molded article B was prepared. The gloss value (60 °) of the surface of the resulting matte mold B was 20.

<Manufacture of matte molded product C>
In the production of the matte molded product A, the matte is contained in the coating liquid for forming the matting agent-containing resin layer except that the content of the matting agent is 10 parts by mass with respect to 100 parts by mass of the binder resin. In the same manner as in the production of the conditioned molded article A, a glossy finished molded article C was prepared. The gloss value (60 °) of the surface of the obtained matte molded product C was 40.

<Manufacture of matte-tone molded product D>
In the production of the matte shaped molded product A, the matte is contained in the coating liquid for forming the matting agent-containing resin layer except that the content of the matting agent is 5 parts by mass with respect to 100 parts by mass of the binder resin. In the same manner as in the production of the conditioned molded article A, a glossy finished molded article D was prepared. The gloss value (60 °) of the surface of the obtained matte molded product D was 50.

<Molded product E>
As the molded product E, the above ABS resin plate (thickness 2 mm, surface gloss value (60 °) is 60) was used as it was.

<Example 1> Manufacture of decorative molded product A On the pattern layer surface of the hydraulic transfer film obtained above, 10 g / m ^{2 of} an activator composition having the following composition was applied, and the activator composition was applied with a smoothing roll. After equalization, the hydraulic transfer film was suspended on the water surface so that the water-soluble film side was facing down and the water surface was facing. Next, the matte molded product A is pressed against the floating hydraulic transfer film so that the matting agent-containing resin layer is on the water surface side, and the pattern layer is matted by the water pressure. The step of adhering to the surface of the agent-containing resin layer and the film removal step of removing the water-soluble film by washing with water were performed. Next, a two-component curing type urethane resin paint (containing 20% by mass of silica) was spray-coated on the pattern layer to form a topcoat layer having a thickness of 15 μm, and a decorative molded product A was obtained.

(Composition of activator composition)
Phthalic acid-based alkyd resin 6 parts by weight Microsilica (pigment) 2 parts by weight Dibutyl phthalate 17 parts by weight Solvent (butyl carbitol acetate) 60 parts by weight Solvent (butyl cellosolve) 15 parts by weight

<Example 2> Manufacture of a decorative molded product B A decorative molded product in the same manner as in Example 1 except that the matte molded product B was used instead of the matte molded product A in Example 1. B was obtained.

<Example 3> Manufacture of decorative molded product C A decorative molded product in the same manner as in Example 1 except that the matte molded product C was used instead of the matte molded product A in Example 1. C was obtained.

<Example 4> Manufacture of a decorative molded product D A decorative molded product in the same manner as in Example 1 except that the matte molded product D was used in place of the matte molded product A. D was obtained.

<Comparative example 1> Manufacture of a decorative molded product E In Example 1, a decorative molded product E was obtained in the same manner as in Example 1 except that the molded product E was used in place of the matte molded product A. It was.

Designability Evaluation The decorative molded product obtained above was observed visually, and the designability was evaluated according to the following criteria. The results are shown in Table 1.
A: The overall design is highly matte and has a high three-dimensional appearance and depth due to the fact that the omission part is less glossy than the pattern part.
○: The overall design is highly matte and has a high three-dimensional appearance and depth due to the fact that the omission part is less glossy than the pattern part.
(Triangle | delta): The design which has a high three-dimensional impression and the depth by the omission-like part by the matte tone as a whole and lower gloss than a pattern part is expressed a little.
X: A design with a high three-dimensional feeling and depth due to the matte tone and the lack of gloss of the conduit portion as compared with the pattern portion is not expressed.

DESCRIPTION OF SYMBOLS 1 Matte-tone molded product 1a Base material layer 1b Matting agent containing resin layer 2 Picture layer 10 Decorative molded product 3 Topcoat layer 20 Hydraulic transfer film 4 Water-soluble film

Claims (8)

A matte molded product and a pattern layer provided on a part of the surface of the matte molded product,
The matte molded product is a laminate of a base material layer and a matting agent-containing resin layer,
The matting agent-containing resin layer is laminated on the pattern layer side,
The said decorative layer is a decorative molded article formed by the hydraulic transfer method.   The decorated molded article according to claim 1, wherein the gloss value (60 °) of the surface on the side of the picture layer of the glossy-shaped molded article is 50 or less.   The decorative molded product according to claim 1 or 2, wherein the matte molded product includes a matting agent on the surface on the picture layer side. The said matting agent containing resin layer is a decorating molded product in any one of Claims 1-3 which contains a matting agent 1-40 mass parts with respect to 100 mass parts of binder resins. The decorative molded product according to any one of claims 1 to 4 , further comprising a top coat layer on the pattern layer. The decorated molded article according to claim 5 , wherein the top coat layer is matte. A method for producing a decorative molded product, comprising a matte molded product, and a pattern layer provided on a part of the surface of the matte molded product,
The matte molded product is a laminate of a base material layer and a matting agent-containing resin layer,
The matting agent-containing resin layer is laminated on the pattern layer side,
Using a hydraulic transfer film having a water-soluble film and a pattern layer provided on a part of the water-soluble film, the step of transferring the pattern layer onto a matte molded product, Production method. The method for producing a decorative molded product according to claim 7 , wherein the matte molded product has a surface gloss value (60 °) of 50 or less.