JPWO2016120705A1 - Laminated body and decorative molded body - Google Patents

Abstract

The present invention relates to a pressure-sensitive adhesive layer, a surface layer laminated on one surface side of the pressure-sensitive adhesive layer, and the other surface side of the pressure-sensitive adhesive layer, the surface side opposite to the surface laminated with the surface layer A separator layer made of resin laminated on the surface, and at least one of the pressure-sensitive adhesive layer, the surface layer, and the separator layer has a layer having a surface electrical resistance of 1 × 10 5 to 1 × 10 12 Ω / □. It is related with the laminated body characterized.

Description

The present invention relates to a laminate and a decorative molded body. Specifically, the present invention is a laminate having a surface layer, a pressure-sensitive adhesive layer, and a separator layer, and can suppress the biting of foreign matters during molding under vacuum or reduced pressure conditions. About. Furthermore, the present invention also relates to a decorative molded body decorated with such a laminate.
This application claims the priority based on Japan Japanese Patent Application No. 2015-013331 for which it applied on January 27, 2015, and uses the content here.

  Conventionally, when protecting the surface of automobile interior / exterior parts, parts for home appliances, parts for building materials, or decorating (decorating), the surface of the molded body is processed after injection molding or vacuum forming. A paint was applied to the glass by spray coating, and then dried and heat-cured. However, in addition to the problem that the discharge of volatile organic solvents deteriorates the working environment, such coating requires work processes and production facilities for each molded part, and requires repeated coating of paint. There was a problem that the yield of paint was poor and the productivity was low.

  In recent years, resin molded bodies have been used as molded bodies for the purpose of reducing the weight of automobile interior and exterior parts, household appliance parts, building material parts, and the like. In many cases, spray coating is not suitable for decoration (decoration) of a resin molded body, and various methods have been developed to decorate the surface of the resin molded body. Above all, the method of obtaining the decorative molded body by decorating the outermost surface of the molded body with a decorative film has higher design freedom and productivity than the method of applying or printing on the surface using a paint or the like. Has the advantage of being excellent. Moreover, since the decorating method using a decorating film can also decorate the molded object surface which has a three-dimensional unevenness | corrugation, it is used for various uses.

  As a method for decorating the surface of a molded article having three-dimensional irregularities with a decorative film, there is a three-dimensional coating (TOM molding) method (Patent Document 1). TOM molding is a molding method under vacuum conditions or reduced pressure conditions, and is a method of obtaining a decorative molded body by pressure-bonding a decorative film and a molded body. In TOM molding, it is possible to decorate regardless of the material of the molded body. Moreover, a reverse taper part and a terminal winding part can be coat-molded, without providing a vacuum hole in a molded object.

  The decorative film used for TOM molding includes a film having only a decorative layer and a laminated film (laminate) having a decorative layer (surface layer) and an adhesive layer. When obtaining a decorative molded body using a film having only a decorative layer, a method of melting the film itself and bringing the molten film and the molded body into close contact is used. Moreover, when using the laminated | multilayer film which has a decoration layer (surface layer) and an adhesive layer, a decoration layer does not need to melt and uses the adhesive force of an adhesive layer, and laminates | stacks a film and a molded object. Adhere closely.

Japanese Patent No. 3733564

  However, when TOM molding is performed using a conventional decorative film, foreign matter such as dust may be caught between the molded body and the laminated film, which has been a problem. When such foreign matter bites in, irregularities derived from the foreign matter are generated on the surface of the decorative molded body, which causes a problem because the yield of the decorative molded body is deteriorated.

  Then, in order to solve such a problem of the prior art, the present inventors aim to provide a decorative laminated film (laminate) that can suppress the biting of foreign matters when performing TOM molding. We proceeded with the examination.

As a result of intensive studies to solve the above problems, the present inventors determined that the surface electrical resistance of any layer in a laminate having a surface layer, an adhesive layer, and a separator layer is a predetermined value. It has been found that the inclusion of foreign matter can be suppressed during the TOM molding by making it within the range.
Specifically, the present invention has the following configuration.

[1] A pressure-sensitive adhesive layer, a surface layer laminated on one surface side of the pressure-sensitive adhesive layer, and the other surface side of the pressure-sensitive adhesive layer on the surface side opposite to the surface laminated with the surface layer A separator layer made of resin, and at least one of the pressure-sensitive adhesive layer, the surface layer, and the separator layer has a layer having a surface electrical resistance of 1 × 10 ⁵ to 1 × 10 ¹² Ω / □. A laminate characterized by the above.
[2] The laminate according to [1], wherein the separator layer has a layer having a surface electrical resistance of 1 × 10 ⁵ to 1 × 10 ¹² Ω / □.
[3] The separator layer includes a base material layer, a release agent layer laminated on one surface side of the base material layer, a surface on the other surface side of the base material layer, on which the release agent layer is laminated, Has an antistatic layer laminated on the opposite surface side, and the surface electrical resistance of the antistatic layer is 1 × 10 ⁵ to 1 × 10 ¹² Ω / □, the laminate according to [1] or [2] body.
[4] The laminate according to [3], wherein the antistatic layer contains an inorganic antistatic agent.
[5] The laminate according to any one of [1] to [4], wherein the surface electrical resistance of the pressure-sensitive adhesive layer is 1 × 10 ⁵ to 1 × 10 ¹² Ω / □.
[6] The laminate according to [5], wherein the pressure-sensitive adhesive layer contains an inorganic antistatic agent.
[7] The laminate according to any one of [1] to [6], wherein the surface layer includes a surface protective layer containing an ultraviolet absorber and a colored layer.
[8] The laminate according to any one of [1] to [7], which is used for molding under vacuum conditions or reduced pressure conditions.
[9] A decorative molded body comprising a pressure-sensitive adhesive film composed of the surface layer and the pressure-sensitive adhesive layer of the laminate according to any one of [1] to [8], and a molded body decorated with the pressure-sensitive adhesive film.
[10] The decorative molded body according to [9], wherein the molded body has a non-planar shape.
[11] A method for producing a decorative molded body using a laminate, the laminate comprising an adhesive layer, a surface layer laminated on one side of the adhesive layer, and the other of the adhesive layer And having a resin separator layer laminated on the opposite side of the surface layer, and at least one of the pressure-sensitive adhesive layer, the surface layer, and the separator layer is: A step of obtaining a pressure-sensitive adhesive film having a surface layer and a pressure-sensitive adhesive layer by peeling the separator layer from the laminate, having a layer having a surface electrical resistance of 1 × 10 ⁵ to 1 × 10 ¹² Ω / □, and vacuum conditions A method for producing a decorative molded body, comprising: a step of laminating an adhesive film on a molded body under a reduced pressure condition; and a step of pressure-bonding the adhesive film to the molded body by a pressure difference.
[12] A base material layer, a resin layer laminated on one surface side of the base material layer and having a surface electrical resistance of 1 × 10 ⁵ to 1 × 10 ¹² Ω / □, and the other surface side of the base material layer A separator made of a resin having a release agent layer laminated on the separator and used for protecting an adhesive film used for molding under vacuum or reduced pressure conditions.
[13] It has a pressure-sensitive adhesive layer and a surface layer laminated on one side of the pressure-sensitive adhesive layer, and at least one of the pressure-sensitive adhesive layer and the surface layer has a surface electrical resistance of 1 × 10 ⁵ to 1 ×. A pressure-sensitive adhesive film having a layer of 10 ¹² Ω / □.

  ADVANTAGE OF THE INVENTION According to this invention, the laminated body which can suppress the biting of a foreign material at the time of TOM shaping | molding can be obtained. Moreover, if the laminated body of this invention is used, the productivity of a decorative molded body can be improved and the decorative molded body excellent in the designability can be obtained.

FIG. 1 is a cross-sectional view showing an example of the configuration of the laminate of the present invention. FIG. 2 is a cross-sectional view showing an example of the configuration of the laminate of the present invention. FIG. 3 is a cross-sectional view illustrating the configuration of the decorative molded body of the present invention. FIG. 4 is a diagram for explaining a molded body used in Examples and Comparative Examples. 4A is a top view, FIG. 4B is a right side view, and FIG. 4C is a bottom view.

  Hereinafter, the present invention will be described in detail. The description of the constituent elements described below may be made based on representative embodiments and specific examples, but the present invention is not limited to such embodiments. In the present specification, a numerical range represented by using “to” means a range including numerical values described before and after “to” as a lower limit value and an upper limit value.

(Laminate)
The laminate of the present invention has a pressure-sensitive adhesive layer, a surface layer laminated on one surface side of the pressure-sensitive adhesive layer, and the other surface side of the pressure-sensitive adhesive layer opposite to the surface on which the surface layer is laminated. And a resin separator layer laminated on the surface side. In addition, at least one of the pressure-sensitive adhesive layer, the surface layer, and the separator layer has a layer having a surface electrical resistance of 1 × 10 ⁵ to 1 × 10 ¹² Ω / □. In this specification, a layer having a surface electrical resistance of 1 × 10 ⁵ to 1 × 10 ¹² Ω / □ means that the surface electrical resistance of any one surface of the layer is within the above range. Is shown.

In the present invention, the layer constituting each layer of the pressure-sensitive adhesive layer, the surface layer or the separator layer may have a surface electric resistance within the above range, and each layer of the pressure-sensitive adhesive layer, the surface layer or the separator layer itself is within the above range. It may have an inner surface electrical resistance. Especially, it is preferable that at least one surface selected from both surfaces of the adhesive film comprised from an adhesive layer and a surface layer, and both surfaces of a separator layer has the surface electrical resistance in the said range.
In addition, any one of the pressure-sensitive adhesive layer, the surface layer, and the separator layer may have a surface electrical resistance within the above range, and two or more layers of the above layer have a surface electrical resistance within the above range. You may do it. For example, the pressure-sensitive adhesive layer and the separator layer may have a surface electrical resistance within the above range.

  Since the laminated body of this invention has said structure, it can suppress the biting of a foreign material at the time of shaping | molding on vacuum conditions or pressure reduction conditions (at the time of TOM shaping | molding). Moreover, since the separator layer which comprises the laminated body of this invention is a resin layer, when peeling a separator layer from a laminated body, it can suppress that the foreign material derived from a separator layer adheres to an adhesive layer. . For this reason, it becomes possible to suppress biting of a foreign substance more effectively.

  In the present invention, the surface electrical resistance of each layer is a value measured by Hiresta UX MCP-HT800 (manufactured by Mitsubishi Chemical Analytech, measurement method: constant voltage application / leakage current measurement method).

  FIG. 1 is a cross-sectional view showing an example of the configuration of the laminate of the present invention. As shown in FIG. 1, the laminate 1 of the present invention includes an adhesive layer 10, a surface layer 20 laminated on one surface side of the adhesive layer 10, and the other surface of the adhesive layer 10. The separator layer 30 is laminated on the side opposite to the surface on which the surface layer 20 is laminated. Since the laminate 1 has the separator layer 30, foreign matters such as dust are suppressed from adhering to the surface of the pressure-sensitive adhesive layer 10 when the laminate 1 is stored. When using the laminated body 1 of this invention, this separator layer 30 is peeled and the adhesive layer 10 is exposed. And the adhesive layer 10 will be stuck by the molded object which is a to-be-adhered body. In this specification, the laminated body from which the separator layer 30 has been peeled is referred to as an adhesive film 5.

FIG. 2 is a cross-sectional view showing a preferred configuration of the laminate of the present invention. In the laminate 1 of the present invention, the surface layer 20 is preferably a layer including a surface protective layer 22 and a colored layer 24. The separator layer 30 is preferably a layer including a base material layer 32, a release agent layer 34, and an antistatic layer 36. The laminate 1 of the present invention may have a layer other than the layers described above, the surface layer 20 may further have an antistatic layer, and the pressure-sensitive adhesive layer may be a colored layer or an antistatic layer. The structure which has may be sufficient.
In addition, also in the laminated body 1 as shown in FIG. 2, after the separator layer 30 is peeled off, the pressure-sensitive adhesive film 5 is obtained. The present invention also relates to such an adhesive film.

  Since the laminated body of this invention has the above structures, it may be in the form of a sheet or may be wound up into a roll. When it is wound up in a roll shape, it is preferable to wind up so that the separator layer is disposed on the core shaft side.

(Separator layer)
The laminate of the present invention includes a separator layer. The separator layer is made of resin and does not include a paper base material. By using such a separator layer, foreign matters such as paper-derived dust are not caught between the laminate and the molded body, and the biting of foreign matters can be effectively suppressed.

The surface electrical resistance of the separator layer is preferably 1 × 10 ⁵ to 1 × 10 ¹² Ω / □, and more preferably 1 × 10 ⁶ to 1 × 10 ¹² Ω / □. In a laminated body, there exists a tendency for a foreign material to adhere to an adhesive layer easily by the electrostatic interaction at the time of peeling a separator layer. However, in the present invention, by setting the surface electrical resistance of the separator layer within the above range, it is possible to suppress the adhesion of foreign matters, and in particular, foreign matters during molding under vacuum conditions or reduced pressure conditions (during TOM molding). Can be more effectively suppressed. In addition, this invention relates also to the separator laminated | stacked on the adhesive layer side of the adhesive sheet used for TOM shaping | molding.

The separator layer has a single layer configuration, and the surface electric resistance of the single layer may be within the above range, but it is preferable that the surface electric resistance has a layer within the above range. Specifically, the separator layer is a base material layer, a release agent layer laminated on one side of the base material layer, and the other surface side of the base material layer, and the release agent layer is laminated. It is preferable to have an antistatic layer laminated on the surface opposite to the surface. Especially, it is preferable that the surface electrical resistance of an antistatic layer is 1 * 10 < ⁵ > -1 * 10 < ¹² > (omega | ohm) / square.

  In this invention, it is preferable that a separator layer contains an antistatic agent, and it is preferable that an antistatic agent is not contained in the adhesive film comprised from a surface layer and an adhesive layer. In this invention, when using a laminated body, a separator layer peels from a laminated body and becomes an adhesive film comprised from a surface layer and an adhesive layer. And this adhesive film is affixed on the molded object which is a to-be-adhered body. That is, when only the separator layer contains the antistatic agent, the decorative molded body does not contain the antistatic agent, and the durability of the whole decorative molded body is further improved.

  As shown in FIG. 2, the separator layer 30 is preferably a layer including a base material layer 32, a release agent layer 34, and an antistatic layer 36. The antistatic layer 36 is an antistatic agent. It is preferable to contain. The antistatic agent is preferably at least one selected from ionic antistatic agents, organic antistatic agents, and inorganic antistatic agents, and is selected from organic antistatic agents and inorganic antistatic agents. At least one kind is more preferable, and an inorganic antistatic agent is particularly preferable. The organic antistatic agent is more preferably a π-conjugated conductive polymer antistatic agent. By using at least one selected from a π-conjugated conductive polymer antistatic agent and an inorganic antistatic agent as the antistatic agent, the humidity dependence of the antistatic performance can be suppressed. That is, the antistatic performance can be exhibited in any humidity range. In particular, the inorganic antistatic agent can exhibit excellent antistatic performance even in a low humidity environment. In addition, since an ionic antistatic agent is comparatively cheap, the manufacturing cost of a laminated body can be suppressed.

  As the ionic antistatic agent, any known ionic antistatic agent can be used in the present invention. Preferably, glyceric acid fatty acid ester, polyglycerin fatty acid ester, sorbitan fatty acid ester, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene is used. Fatty alcohol ether, alkylsulfonate, alkylbenzenesulfonate, tetraalkylammonium salt, trialkylbenzylammonium salt, stearic acid monoglyceride, N, N-bis (2-hydroxyethyl) alkylamine, N, N-bis (2 -Hydroxyethyl) alkylamide, fatty acid ester of polyoxyethylene alkylamine, alkyl sulfate, alkyl phosphate, alkyl betaine, polystyrene sulfonate soda, poly Chi glycol methacrylate copolymer, polyether ester amides and the like.

  As the organic antistatic agent, a π-conjugated conductive polymer antistatic agent is preferably used. As the π-conjugated conductive polymer antistatic agent, any known π-conjugated conductive polymer antistatic agent can be used in the present invention, preferably, polythiophene, polypyrrole, polyaniline, etc. Particularly preferred is polythiophene.

  As the inorganic antistatic agent, any known inorganic antistatic agent can be used in the present invention, and preferably an ATO (antimony-doped tin oxide) filler, an ITO (tin-doped indium oxide) filler, a silver nanofiller, or antimony oxide. Examples thereof include doped tin oxide-coated titanium oxide, and silver nanofillers are particularly preferable.

When the antistatic layer contains an antistatic agent, the content of the antistatic agent is preferably 2 to 100% by mass and more preferably 50 to 100% by mass with respect to the total mass of the antistatic layer. . The coating amount after drying of the antistatic agent layer is preferably 0.001 to 1 g / ^{m 2,} and particularly preferably 0.01~0.2g / ^{m 2.}

  The base material layer constituting the separator layer is preferably a resin layer, and the resin layer is preferably composed of a thermoplastic resin. Specifically, examples of the base material layer include a polyolefin film, a polyvinyl chloride film, a polyvinyl alcohol film, a polyester film, a polycarbonate film, a polystyrene film, and a polyacrylonitrile film. Among these, a polyester film is preferably used, and a polyethylene terephthalate (PET) film is particularly preferably used. Moreover, you may use the film in which uneven | corrugated processing, such as a lens film, a prism film, and a hologram film, was given for the base material layer.

The release agent layer contains a release agent. As the release agent, for example, a general-purpose addition type or condensation type silicone release agent is used. In particular, an addition type silicone release agent having high reactivity is preferably used. Specific examples of silicone release agents include BY24-162 and SD-7234 manufactured by Toray Dow Corning Silicone, and KS-3600, KS-774, and X62-2600 manufactured by Shin-Etsu Chemical Co., Ltd. Is mentioned. Further, the silicone release agent contains a silicone resin that is an organosilicon compound having a SiO ₂ unit and a (CH ₃ ) ₃ SiO _1/2 unit or a CH ₂ ═CH (CH ₃ ) SiO _1/2 unit. It is preferable to do. Specific examples of the silicone resin include BY24-843, SD-7292, SHR-1404 and the like manufactured by Toray Dow Corning Silicone, and KS-3800 and X92-183 manufactured by Shin-Etsu Chemical Co., Ltd.

Auxiliary additives such as a catalyst and an adhesion improver can be added to the release agent layer. Preferred examples of the catalyst include platinum-based and tin-based catalysts. Any adhesion improver can be used as long as adhesion is improved, and a silane coupling agent can be preferably used.
Coating amount after drying of the release agent layer is preferably 0.01 to 1 g / ^{m 2,} and particularly preferably 0.05 to 0.2 g / ^{m 2.}

  The separator layer can be formed by applying a release agent-containing liquid and an antistatic agent-containing liquid to the base material layer and drying. When each solution is applied, a size press coater, gate roll coater, bar coater, roll coater, air knife coater, blade coater, rod blade coater, curtain coater, gravure coater or the like can be used. Among them, it is preferable to use a two-head coater that can be applied at one time on the front and back, and a two-head coater that can be coated on the front and back with a gravure head that can control a small amount of coating is particularly preferable. Thereby, a functional layer can be simultaneously formed on both surfaces of a base material layer, and the production efficiency of a separator layer can be improved.

(Adhesive layer)
The laminate of the present invention includes an adhesive layer. In this invention, a molded object can be decorated by an adhesive layer sticking on the surface of a molded object. In addition, the surface electrical resistance of the pressure-sensitive adhesive layer is preferably 1 × 10 ⁵ to 1 × 10 ¹² Ω / □, and more preferably 1 × 10 ⁶ to 1 × 10 ¹² Ω / □.

The pressure-sensitive adhesive layer contains a polymer as a pressure-sensitive adhesive. The pressure-sensitive adhesive layer preferably contains an antistatic agent. In particular, when the surface electrical resistance of the separator layer is not within the range of 1 × 10 ⁵ to 1 × 10 ¹² Ω / □, the pressure-sensitive adhesive layer preferably contains an antistatic agent. As the antistatic agent contained in the pressure-sensitive adhesive layer, the same antistatic agents as can be contained in the separator layer can be listed, and the preferred antistatic agents are also the same.

  When an adhesive layer contains an antistatic agent, it is preferable that content of an antistatic agent is 0.1-10 mass% with respect to the total mass of an adhesive layer, and is 0.5-7 mass%. It is more preferable, and it is still more preferable that it is 1-5 mass%.

  The thickness of the pressure-sensitive adhesive layer is preferably 5 to 500 μm, more preferably 10 to 350 μm, and still more preferably 20 to 200 μm. By forming the thickness of the pressure-sensitive adhesive layer within the above range, even when foreign matter such as dust is caught between the laminate and the molded body when forming a decorative molded body, The shape can be prevented from being raised. For this reason, even if it is a minute foreign material, even if it is bitten, it will not receive the influence.

The average molecular weight of the polymer constituting the pressure-sensitive adhesive layer is preferably 10,000 to 5,000,000, and more preferably 300,000 to 2,000,000. By making the average molecular weight of the polymer within the above range, it is possible to improve the followability to the molded product during molding under vacuum or reduced pressure conditions (TOM molding), and decorate molded products with complex shapes. can do. Moreover, 2-30 are preferable and, as for molecular weight distribution (Mw / Mn) of a polymer, it is especially preferable that it is 4-20. In order to obtain the target molecular weight distribution, two or more kinds of polymers having different average molecular weights can be mixed and used.
By broadening the molecular weight distribution of the polymer, it is possible to improve the followability to the molded product during molding under vacuum or reduced pressure conditions (TOM molding), and to decorate a molded product with a complicated shape. it can.

  As the adhesive strength of the adhesive layer, the adhesive strength measured based on JIS Z 0237 is preferably 10 to 100 N / 25 mm, and more preferably 25 to 75 N / 25 mm.

The polymer constituting the pressure-sensitive adhesive layer preferably contains at least one acrylic polymer. In addition to acrylic polymers, aliphatic (C5) petroleum resins, aromatic (C9) petroleum resins, copolymerized (C5 / C9) petroleum resins, dicyclopentadiene (DCPD) petroleum resins, coumarone indene resins, A styrene resin including α-methylstyrene resin, rosin, rosin ester resin, terpene resin, aromatic modified terpene resin, terpene phenol resin, and hydrogenated resins thereof may be contained.
Examples of the monomer unit constituting the acrylic polymer include alkyl (meth) acrylate, urethane (meth) acrylate, epoxy (meth) acrylate, polyester (meth) acrylate, polyether (meth) acrylate, and methyl methacrylate. , N-butyl methacrylate and iso-butyl methacrylate can be preferably mentioned.

  Moreover, you may contain the following component as needed for adhesive force improvement. For example, a component having a carboxyl group, preferably acrylic acid, methacrylic acid, maleic acid, crotonic acid, crotonic acid, β-carboxyethyl acrylate, and / or a component having a hydroxyl group, preferably 2-hydroxyethyl (meth) Acrylate, humanroxypropyl (meth) acrylate, 2-hydroxybutyl (meth) acrylate, chloro-2-hydroxyethyl (meth) acrylate, 4-hydroxybutyl (meth) acrylate, 6-hydroxyhexyl (meth) acrylate, 8-hydro Examples thereof include octyl (meth) acrylate and / or copolymerizable unsaturated component, preferably acrylamide, methacrylamide, vinyl acetate, (meth) acrylonitrile, and macromer. These carboxyl group-containing component, hydroxyl group-containing component and copolymerizable component are contained in an amount of 0.1 to 15% by mass, preferably 1 to 10% by mass, of the acrylic polymer.

  In the adhesive layer, known additives such as fillers, pigments, thickeners, viscosity modifiers, wetting agents, leveling agents, antifoaming agents, preservatives, dispersing agents, antioxidants, freezing You may contain an inhibitor, a flame retardant, etc. in the range which does not impair the effect of this invention.

(Surface layer)
The laminate of the present invention includes a surface layer. The surface layer may have a single layer structure, but is preferably a layer having a surface protective layer containing an ultraviolet absorber and a colored layer. The colored layer preferably contains pigments, dyes, metals, metal oxides, and the like. The colored layer may be a resin layer containing a pigment, dye, metal, or metal oxide, or may be a vapor deposition or sputter layer made of a pigment, dye, metal, or metal oxide, or a pigment, dye, metal, or metal. An ink layer containing an oxide may be printed on the surface layer. In this case, the printed part may be called a colored layer (colored part). The printing method in this case is not particularly limited, and examples thereof include letterpress printing, offset printing, flexographic printing, gravure printing, and ink jet printing. Examples of the printing ink used for these printing include oxidation polymerization type oil-based ink, soybean oil ink, vegetable oil ink, and UV curable UV ink, LED-UV ink, gravure ink, flexographic ink, screen ink, and the like. In particular, gravure ink, screen ink, and inkjet ink are preferable. Additives such as pigment dispersants, antifoaming agents, ultraviolet absorbers, antioxidants, antistatic agents, antiwear agents, and antiblocking agents may be added to the printing ink as necessary. .

  Moreover, when a colored layer is a resin layer containing a pigment, dye, a metal, and a metal oxide, it is preferable that the resin layer is comprised from the thermoplastic resin. Specifically, ABS resin (acrylonitrile, butadiene and styrene copolymer), AS resin (acrylonitrile and styrene copolymer), acrylic resin, polyethylene terephthalate, polybutylene terephthalate, nylon, polyacetal, polyphenylene oxide, Phenol resin, urea resin, melamine resin, liquid crystal polymer, polytetrafluoroethylene, polyvinylidene fluoride, polysulfone, polyethersulfone, polyacetal, polyetheretherketone, polyphenylene sulfide, polyetherimide, polyamideimide, polycarbonate, polyethylene, polypropylene, polystyrene A urethane resin or the like is preferable.

  The pigments that the colored layer may have include inorganic pigments (alumina white, titanium oxide, zinc white, black iron oxide, mica-like iron oxide, lead white, white carbon, molybdenum white, carbon black, resurge, lithopone, barite. , Cadmium red, Cadmium mercury red, Bengala, Molybdenum red, Red lead, Yellow lead, Cadmium yellow, Barium yellow, Strontium yellow, Titanium yellow, Titanium black, Chromium oxide green, Cobalt oxide, Cobalt green, Cobalt chrome green, Ultramarine blue , Bitumen, cobalt blue, cerulean blue, manganese purple, cobalt violet, etc.) and organic pigments (shellac, insoluble azo pigments, soluble azo pigments, condensed azo pigments, phthalocyanine blue, dyed lakes, etc.), toluidine red, toluidine maroon, Hansa Yellow , Benzidine yellow, pyrazolone red, etc. Soluble azo pigments such as soluble azo pigments, lithol red, helio bordeaux, pigment scarlet, permanent red 2B, derivatives such as alizarin, indanthrone, thioindigo maroon, phthalocyanine pigments such as phthalocyanine blue, phthalocyanine green, quinacridone red, quinacridone Quinacridone pigments such as magenta, perylene pigments such as perylene red and perylene scarlet, isoindolinone pigments such as isoindolinone yellow and isoindolinone orange, benzimidazolone yellow, benzimidazolone orange, and benzimidazolone red Imidazolone pigments, pyranthrone pigments such as pyranthrone red, pyranthrone orange, thioindigo pigments, condensed azo pigments, diketopyrrolo Roll-based pigments, Flavanthrone Yellow, Acylamide Yellow, Quinophthalone Yellow, Nickel Azo Yellow, Copper Azomechin'ero, Yellow, Perinone Orange, Anthrone Orange, Dianthraquinonyl Red, and other pigments such as dioxazine violet. The present invention is not limited to these, and any known pigment can be used.

  Examples of the dye that the colored layer may have include an acid dye, a basic dye, a direct dye, a reactive dye, a disperse dye, or a food coloring matter. In the present invention, any known dye can be used and is not limited. Among these dyes, azo dyes and phthalocyanine dyes are particularly preferable, and acid dyes, direct dyes, reactive dyes, food dyes, and the like are particularly preferable.

  Examples of the metal layer that the colored layer may have include aluminum, gold, silver, nickel, and indium.

  A surface protective layer is a layer which comprises the outermost surface of a laminated body, and is a layer which comprises the outermost surface also in a decorative molded body. In particular, when decorating a member that requires strength, such as an automobile interior / exterior component, the surface protective layer is required to have resistance to scratching, strength, and the like. The surface protective layer in the present invention preferably has a pencil hardness of B or higher, more preferably F or higher.

  The surface protective layer is preferably a resin layer. Specifically, ABS resin (acrylonitrile, butadiene and styrene copolymer), AS resin (acrylonitrile and styrene copolymer), acrylic resin, polyethylene terephthalate, polybutylene terephthalate, nylon, polyacetal, polyphenylene oxide, Phenol resin, urea resin, melamine resin, liquid crystal polymer, polytetrafluoroethylene, polyvinylidene fluoride, polysulfone, polyethersulfone, polyacetal, polyetheretherketone, polyphenylene sulfide, polyetherimide, polyamideimide, polycarbonate, polyethylene, polypropylene, polystyrene Preferred examples include urethane resin and the like. More preferably, it is an acrylic resin because of its excellent scratch resistance. The surface protective layer of the present invention may be an ionizing radiation curable resin. The ionizing radiation curable resin is a resin that is cured by irradiation with an electron beam or ultraviolet rays. In the present invention, the ionizing radiation curable resin is preferably substantially transparent. As the substantially transparent ionizing radiation curable resin, for example, an acrylic ultraviolet curable resin is preferably used.

  In the present invention, an antistatic agent may be contained between the surface protective layer and / or the colored layer. In this case, as the antistatic agent, the same antistatic agent as mentioned in the item of the separator layer can be used.

(Molding under vacuum or reduced pressure conditions (TOM molding))
The laminate of the present invention is preferably used for molding under vacuum conditions or reduced pressure conditions. By using the laminate of the present invention, it is possible to prevent foreign matter such as dust from being caught between the pressure-sensitive adhesive layer and the molded body in molding under vacuum conditions or reduced pressure conditions. Thus, the laminated body of this invention can exhibit the effect by being used for shaping | molding on vacuum conditions or pressure reduction conditions.

  In the present specification, molding under vacuum conditions or reduced pressure conditions is so-called TOM molding. In the TOM molding method, a process of laminating an adhesive film (laminated film of a surface layer and an adhesive layer) on a molded body under vacuum conditions or reduced pressure conditions, and a process of pressure-bonding the adhesive film to the molded body by a pressure difference Including. In the present specification, molding under a vacuum condition or a reduced pressure condition does not include a method of bringing the pressure-sensitive adhesive film and the molded body into close contact with each other using a vacuum body provided with vacuum holes. Specifically, the molding under a vacuum condition or a reduced pressure condition can be performed by using a “vacuum molding apparatus” described in Japanese Patent No. 3733564.

  The present invention also relates to a method for producing a decorative molded body as described above. Specifically, the method for producing a decorative molded body of the present invention includes a step of peeling the separator layer from the above-described laminate to obtain an adhesive film having a surface layer and an adhesive layer, and under vacuum or reduced pressure conditions. And a step of bringing the pressure-sensitive adhesive film and the molded body into close contact with each other and a step of pressure-bonding the pressure-sensitive adhesive film and the molded body under pressured air conditions. Moreover, in the manufacturing method of a decorative molded object, it is preferable to include the process of heating the surface of a laminated body to 100-180 degreeC after the process of sticking an adhesive film and a molded object. In this case, an infrared heater is preferably used for heating the surface of the laminate.

(Decorated molding)
The present invention also relates to a decorative molded body including an adhesive film composed of the surface layer and the adhesive layer of the laminate as described above, and a molded body decorated with the adhesive film. The decorative molded body is obtained by attaching an adhesive film to a part or the entire surface of the molded body. That is, in the decorative molded body, the surface layer is laminated via the pressure-sensitive adhesive layer.

  FIG. 3 is a cross-sectional view illustrating the configuration of the decorative molded body 100. FIG. 3 shows a state in which a molded body 50 having a concave portion on the surface is decorated with an adhesive film 5. As shown in FIG. 3, in molding under vacuum conditions or reduced pressure conditions, the reverse taper portion and the end winding portion can be covered and molded without providing the molded body 50 with vacuum holes. Moreover, it can decorate regardless of the material of a product. Thereby, it can decorate also about the molded object surface which has a complicated three-dimensional unevenness | corrugation, and the decorative molded object 100 with high designability can be obtained.

  Examples of the molded body 50 include metal materials such as ED steel plates, Mg alloys, SUS, and aluminum alloys, and resin molded bodies, but resin molded bodies are preferable. For example, acrylonitrile-butadiene-styrene copolymer (ABS resin), polycarbonate-containing resin, and polyolefin resin can be preferably exemplified. As the polycarbonate-containing resin, a resin (PCPBT) blended with polycarbonate and polybutylene terephthalate, a resin blended with polycarbonate or ABS resin (PCABS), or the like can be preferably used. As the polyolefin resin, polypropylene (PP) can be preferably used.

  In the present invention, the shape of the molded body 50, that is, the shape of the object on which the adhesive film 5 is laminated may be a flat surface, a substantially flat surface, or a non-planar surface. For example, the shape of the molded body 50 may be a shape having a concave portion on the surface as shown in FIG. 3, or a shape having a convex portion on the surface (not shown). Good. As shown in FIG. 3, the molded body 50 may have a shape having a reverse taper portion or a terminal winding portion. According to the present invention, even if it is a non-planar shaped product which is likely to have a defect in appearance, it is possible to suppress the biting of foreign matter and prevent problems such as peeling.

  The decorative molded body obtained by the present invention includes, for example, automotive parts (for example, parts such as bodies, bumpers, spoilers, mirrors, wheels, interior materials, etc., and various materials), motorcycle parts, and roads. Used for materials (for example, traffic signs, noise barriers, etc.), tunnel materials (for example, side walls), railway vehicles, furniture, musical instruments, household appliances, building materials, containers, office supplies, sports equipment, toys, etc. it can.

  Hereinafter, the features of the present invention will be described more specifically with reference to Examples and Comparative Examples. The materials, amounts used, ratios, processing details, processing procedures, and the like shown in the following examples can be changed as appropriate without departing from the spirit of the present invention. Therefore, the scope of the present invention should not be construed as being limited by the specific examples shown below.

Example 1
In a clean room (class 1000), the acrylic pressure-sensitive adhesive A was applied on the separate film A so that the thickness after drying was 25 μm. It dried for 3 minutes at 90 degreeC, and obtained the separator layer with an adhesive layer.
Using the hard coat film A as the surface protective layer (surface layer), the pressure-sensitive adhesive layer surface of the obtained separator layer with the pressure-sensitive adhesive layer and the hard coat film A were bonded in a clean room (class 1000). Aging was performed for 7 days in an environment of 50 ° C. and 50% relative humidity. In this way, a laminate 1 was obtained.

  Next, in the environment of 23 ° C. and a relative humidity of 50% and in the environment of 15 ° C. and a relative humidity of 30%, the following operations were performed to obtain decorative molded bodies.

<Method for creating a decorative molded body>
The separator layer was removed from the laminate 1 to obtain an adhesive film 1. The adhesive film 1 was set on a TOM molding machine. A rainproof line-cover (ABS resin, manufactured by Panasonic Corporation, product number: WP9171) is placed on a TOM molding machine (cloth vacuum) so that the outer surface (convex surface) side of the cover and the adhesive layer of the adhesive film 1 face each other. (Manufactured by NGF molding machine). The decorative molded body 1 was obtained by laminating the adhesive film 1 on the molded body at 130 ° C. using a TOM molding machine. Ten decorative molded bodies 1 were produced in the same manner. In addition, the shape of the said rainproof line entry cover is shown to Fig.4 (a)-(c). The rainproof cover shown in FIGS. 4A to 4C has a length (longitudinal) direction of 90 mm when viewed from above as shown in FIG. The length in the (lateral) direction was 60 mm.

<Separate film A>
On one side of 50 μm thick PET (Toray Industries, Lumirror T60), apply glycerin monostearate in a clean room (class 1000) so that the coating amount after drying is 0.1 g / m ^2. The treatment was performed at 130 ° C. for 30 seconds in a dryer. In this way, an antistatic layer was formed.
Next, on the opposite surface, a release agent comprising 100 parts by mass of thermosetting silicone (manufactured by Toray Dow Corning, LTC300B) and 1 part by mass of catalyst (manufactured by Toray Dow Corning, SRX212) is dried. It was applied in a clean room (class 1000) so as to have a weight of 0.1 g / m ² . The release agent layer A was formed by performing a treatment at 130 ° C. for 60 seconds in a dryer.
A separate film A (separator layer A) was obtained as described above. When the surface electrical resistance of the separate film A was measured at 23 ° C. and a relative humidity of 50%, the release agent layer side was 5 × 10 ¹⁶ Ω / □, and the antistatic layer side was 7 × 10 ¹¹ Ω / □. It was.

<Adhesive A>
65 parts by mass of butyl acrylate, 30 parts by mass of methyl acrylate, and 5 parts by mass of acrylic acid are put into a reaction vessel (with a temperature controller, a stirrer, and a reflux) in a nitrogen atmosphere, and 200 parts by mass of ethyl acetate and 0-isobisisobutyronitrile 0 0.1 part by mass was added, and a polymerization reaction was performed at 75 ° C. for 10 hours to obtain a polymer A. It was 800,000 when the molecular weight (Mw) of the obtained polymer A was measured by GPC (gel permeation chromatography). Moreover, it was -25 degreeC when the glass transition temperature (Tg) of the polymer A was measured with the differential operation type | mold calorimeter (DSC-6100 by Seiko Instruments).
The obtained polymer A, poly α-methylstyrene (molecular weight Mw = 850,000, Tg = 105 ° C., manufactured by Wako Pure Chemical Industries), and a crosslinking agent (manufactured by Mitsubishi Gas Chemical Company, Tetrad X) in a dry weight ratio. The pressure-sensitive adhesive A was obtained by blending such that the ratio was 98: 10: 2. The molecular weight distribution of the pressure-sensitive adhesive A was 6.5. The molecular weight and molecular weight distribution were measured by GPC.
When the surface electrical resistance of the pressure-sensitive adhesive layer formed by applying the pressure-sensitive adhesive A under the conditions of 23 ° C. and 50% relative humidity was measured, it was 2 × 10 ¹⁵ Ω / □.

<Hard coat film A>
A hard coat film A was used as the surface protective layer. As the hard coat film A, acryloprene HBA001P manufactured by Mitsubishi Rayon Co., Ltd. was used. This film had a pencil hardness of 2H and a thickness of 125 μm. The surface electrical resistance in an environment of 23 ° C. and 50% relative humidity was 2 × 10 ¹⁶ Ω / □ on both sides.

(Example 2)
A decorative molded body 2 was obtained in the same manner as in Example 1 except that the adhesive B was used instead of the adhesive A. The results are shown in Table 1.

<Adhesive B>
65 parts by mass of butyl acrylate, 30 parts by mass of methyl acrylate, and 5 parts by mass of 2-hydroxyethyl acrylate are put into a reaction vessel (with a temperature controller, a stirrer, and a reflux) in a nitrogen atmosphere, and 200 parts by mass of ethyl acetate and asobisisobu 0.1 part by mass of tyronitrile was added, and a polymerization reaction was performed at 75 ° C. for 10 hours to obtain a polymer B1. When the molecular weight (Mw) and Tg of the obtained polymer B were measured in the same manner as in Example 1, the molecular weight was Mw = 800,000 and Tg was −35 ° C.
Next, 90 parts by mass of methyl methacrylate and 10 parts by mass of dimethylaminoethyl methacrylate were put into a reaction vessel in a nitrogen atmosphere, 200 parts by mass of ethyl acetate and 2 parts by mass of asobisisobutyronitrile were added, and polymerization was performed at 75 ° C. for 10 hours. Reaction was performed and polymer B2 was obtained. When measured in the same manner, the molecular weight Mw was 10,000 and Tg was 95 ° C.
The obtained polymer B1, polymer B2, a crosslinking agent (manufactured by Mitsubishi Gas Chemical Co., Ltd., Tetrad X), and bistrifluoromethanesulfonimide were blended so that the dry weight ratio was 46: 40: 2: 2. Thus, an adhesive B was obtained. The molecular weight distribution of the adhesive B was 18. When the surface electrical resistance of the pressure-sensitive adhesive layer formed by applying the pressure-sensitive adhesive B under the conditions of 23 ° C. and 50% relative humidity was measured, it was 7 × 10 ¹⁰ Ω / □.

(Example 3)
A decorative molded body 3 was obtained in the same manner as in Example 2 except that the separate film B was used instead of the separate film A. The results are shown in Table 1.

<Separate film B>
On one side of 38 μm thick PET (Toray Industries, Lumirror T60), 100 parts by mass of thermosetting silicone (Toray Dow Corning, LTC300B), 1 part by mass of catalyst (Toray Dow Corning, SRX212) The release agent consisting of was applied at a weight after drying of 0.1 g / m ² . The treatment was performed at 130 ° C. for 60 seconds with a dryer to form release agent layer B.
A separate film B (separator layer B) was obtained as described above. When the surface electrical resistance was measured at 23 ° C. and a relative humidity of 50%, the release agent layer side was 5 × 10 ¹⁶ Ω / □, and the non-release agent layer side was 5 × 10 ¹⁶ Ω / □.

Example 4
Instead of the hard coat film A, PET-B (organic antistatic agent kneaded grade PET film) having a thickness of 100 μm (Lumirror X53, manufactured by Toray Industries, Inc.) was used. The surface electrical resistance of PET-B under conditions of 23 ° C. and 50% relative humidity was 1 × 10 ¹⁰ Ω / □. Further, a separate film B was used in place of the separate film A. A decorative molded body 4 was obtained in the same manner as in Example 1 except for the above.

(Example 5)
A decorative molded body 5 was obtained in the same manner as in Example 1 except that the separate film C was used instead of the separate film A, and the adhesive C was used instead of the adhesive A. The results are shown in Table 1.

<Separate film C>
Denatron P-502S (manufactured by Nagase ChemteX Corp.) containing poly (3,4-ethylenedioxythiophene), which is a π-conjugated organic conductive material, on one side of 38 μm thick PET (Lumirror T60, manufactured by Toray Industries, Inc.) Then, coating was performed in a clean room (class 1000) so that the coating amount after drying was 0.07 g / m ² , and the coating was performed at 130 ° C. for 30 seconds in a dryer. In this way, an antistatic layer was formed.
Next, on the opposite surface, a release agent comprising 100 parts by mass of thermosetting silicone (manufactured by Toray Dow Corning, LTC300B) and 1 part by mass of catalyst (manufactured by Toray Dow Corning, SRX212) is weight after drying. It was applied in a clean room (class 1000) so as to be 0.1 g / m ² . The release agent layer C was formed by performing a treatment at 130 ° C. for 60 seconds with a dryer.
A separate film C (separator layer C) was obtained as described above. When the surface electrical resistance was measured under the conditions of 23 ° C. and 50% relative humidity, it was 5 × 10 ¹⁶ Ω / □ on the release agent layer side and 3 × 10 ⁹ Ω / □ on the antistatic layer side.

<Adhesive C>
30 parts by mass of butyl acrylate, 30 parts by mass of 2-ethylhexyl acrylate, 35 parts by mass of α-methylstyrene, and 5 parts by mass of 2-hydroxyethyl acrylate are charged into a nitrogen atmosphere reaction vessel (with a temperature controller, a stirrer, and a refluxer) and acetic acid 200 parts by mass of ethyl and 0.1 part by mass of asobisisobutyronitrile were added, and a polymerization reaction was performed at 75 ° C. for 10 hours to obtain a polymer C. When the molecular weight (Mw) and Tg of the obtained polymer C were measured in the same manner as in Example 1, the molecular weight Mw was 1,500,000 and Tg was 5 ° C.
The obtained polymer C and a crosslinking agent (manufactured by Nippon Polyurethane, Coronate L) were blended in a dry weight ratio of 95: 5 to obtain an adhesive C. The molecular weight distribution of the adhesive C was 4.5. When the surface electrical resistance of the pressure-sensitive adhesive layer formed by applying the pressure-sensitive adhesive C under the conditions of 23 ° C. and 50% relative humidity was measured, it was 7 × 10 ¹⁰ Ω / □.

(Example 6)
On the entire back surface of the hard coat film A, an ink (OS-M [NL] Indigo, manufactured by Dainichi Seika) was applied with a gravure printing machine so that the thickness after drying was 5 μm, and a colored layer ( A surface layer provided with an ink layer) was prepared. A decorative molded body 6 was obtained in the same manner as in Example 1 except that such a surface layer was used. The results are shown in Table 1.

(Example 7)
A decorative molded body 7 was obtained in the same manner as in Example 6 except that the separate film C was used instead of the separate film A. The results are shown in Table 1.

(Example 8)
A decorative molded body 8 was obtained in the same manner as in Example 6 except that the separate film D was used instead of the separate film A. The results are shown in Table 1.

<Separate film D>
Weight after drying silver nanowires (CST-NW-S40, Coldstones) and polyester binder (Pesresin A-645GH, manufactured by Takamatsu Oil) on one side of 50 μm thick PET (Toray Industries, Lumirror T60) Is applied in a clean room (class 1000) so that the coating amount after drying is 0.01 g / m ^2, and 130 ° C. in a dryer. The treatment was performed for 30 seconds. In this way, an antistatic layer was formed.
Next, on the opposite surface, a release agent comprising 100 parts by mass of thermosetting silicone (manufactured by Toray Dow Corning, LTC300B) and 1 part by mass of catalyst (manufactured by Toray Dow Corning, SRX212) is dried. It was applied in a clean room (class 1000) so as to have a weight of 0.1 g / m ² . A release agent layer D was formed by performing a treatment at 130 ° C. for 60 seconds in a dryer.
A separate film D (separator layer D) was obtained as described above. When the surface electrical resistance was measured at 23 ° C. and a relative humidity of 50%, the release agent layer side was 5 × 10 ¹⁶ Ω / □, and the antistatic layer side was 6 × 10 ⁶ Ω / □.

Example 9
Instead of the hard coat film A, a surface layer obtained by applying indium vapor deposition (thickness: 30 nm) on the back surface of easy-formed PET (Soft Shine TA009, manufactured by Toyobo Co., Ltd.) is used. A decorative molded body 9 was obtained in the same manner as in Example 1 except that it was used. The results are shown in Table 1.

(Comparative Example 1)
A decorative molded body 11 was obtained in the same manner as in Example 1 except that the separate film B was used instead of the separate film A. The results are shown in Table 1.

(Comparative Example 2)
A decorative molded body 12 was obtained in the same manner as in Example 1 except that the adhesive C was used instead of the adhesive A. The results are shown in Table 1.

(Comparative Example 3)
A decorative molded body 13 was obtained in the same manner as in Example 1 except that the film C was used instead of the hard coat film A. The results are shown in Table 1.

(Comparative Example 4)
A decorative molded body 14 was obtained in the same manner as in Comparative Example 3 except that the adhesive C was used instead of the adhesive A. The results are shown in Table 1.

(Comparative Example 5)
A decorative molded body 15 was obtained in the same manner as in Example 1, except that separate paper E (manufactured by Oji Tac Co., Ltd., single-sided polyethylene laminated paper separator (trade name: L6W)) was used instead of the separate film A. The results are shown in Table 1.

(Comparative Example 6)
A decorative molded body 16 was obtained in the same manner as in Example 6 except that separate paper E was used in place of the separate film A. The results are shown in Table 1.

(Comparative Example 7)
A decorative molded body 17 was obtained in the same manner as in Example 9 except that the separate film B was used instead of the separate film A. The results are shown in Table 1.

(Evaluation)
(Number of defects)
The surface of the decorative molded body molded in an environment of 23 ° C. and 50% relative humidity was observed, and the number of defects swollen into a convex shape on the surface was measured. The upper surface of the decorative molded body obtained in each example and comparative example (region corresponding to the upper surface of FIG. 4A) was observed with a laser microscope (VK-X100, manufactured by Keyence), and the height was 3 μm or more. The number was counted as a defect. In addition, the number of defects is an average value of the number of defects in the same region of 10 decorative molded bodies produced in the same manner in each example and each comparative example.

(Number of defects in low humidity environment)
The surface of the decorative molded body molded in an environment of 15 ° C. and a relative humidity of 30% was observed by the same method as described above, the number of defects was measured, and an average value was obtained.

(durability)
<Xenon test>
The decorative molded body is treated for 2,000 hr with a weather resistance tester (xenon weather meter, model: XL75, manufactured by Suga Test Instruments), and the unprocessed decorative molded body and appearance are compared visually. Evaluation was performed according to the evaluation criteria.
○: There is no difference in appearance from the untreated decorative molded body.
(Triangle | delta): Compared with the unprocessed decorative molded object, a part of surface of the decorative molded object is whitened.
X: The entire surface of the decorative molded body is whitened compared to the untreated decorative molded body.

(durability)
<Gun-rub test>
The decorative molded body was rubbed 10 times with a hand wearing a work gloves, and the presence or absence of scratches was confirmed visually.
○: No scratches are generated.
Δ: Slight scratching occurs.
X: Many scratches are generated.

  In the decorative molded body obtained in the example, it can be seen that the number of defects is reduced. In particular, it is found that durability is excellent in the case where the laminate is used within the predetermined range of the surface electrical resistance value of the separator layer.

  DESCRIPTION OF SYMBOLS 1 ... Laminated body, 5 ... Adhesive film, 10 ... Adhesive layer, 20 ... Surface layer, 22 ... Surface protective layer, 24 ... Colored layer, 30 ... Separator layer, 32 ... Base material layer, 34 ... Release agent layer, 36 ... Antistatic layer, 50 ... molded body, 100 ... decorated molded body

Claims (13)

On the other side of the pressure-sensitive adhesive layer, the surface layer laminated on one surface side of the pressure-sensitive adhesive layer, on the side opposite to the surface on which the surface layer is laminated A laminated resin separator layer,
At least one of the pressure-sensitive adhesive layer, the surface layer, and the separator layer has a layer having a surface electrical resistance of 1 × 10 ⁵ to 1 × 10 ¹² Ω / □. The laminate according to claim 1, wherein the separator layer has a layer having a surface electrical resistance of 1 × 10 ⁵ to 1 × 10 ¹² Ω / □. The separator layer is a base material layer, a release agent layer laminated on one surface side of the base material layer, and a surface on which the release agent layer is laminated on the other surface side of the base material layer. The antistatic layer laminated | stacked on the surface side opposite to this, The surface electrical resistance of the said antistatic layer is 1 * 10 < ⁵ > -1 * 10 < ¹² > ohm / square, The lamination | stacking of Claim 1 or 2 body.   The laminate according to claim 3, wherein the antistatic layer contains an inorganic antistatic agent. The laminate according to any one of claims 1 to 4, wherein the pressure-sensitive adhesive layer has a surface electrical resistance of 1 x 10 ⁵ to 1 x 10 ¹² Ω / □.   The laminate according to claim 5, wherein the pressure-sensitive adhesive layer contains an inorganic antistatic agent.   The said surface layer is a laminated body of any one of Claims 1-6 which has a surface protective layer containing a ultraviolet absorber, and a colored layer.   The laminate according to any one of claims 1 to 7, which is used for molding under a vacuum condition or a reduced pressure condition.   The decorative molded body containing the adhesive film comprised from the surface layer and adhesive layer of the laminated body of any one of Claims 1-8, and the molded object decorated with the said adhesive film.   The decorative molded body according to claim 9, wherein the molded body has a non-planar shape. A method for producing a decorative molded body using a laminate,
The laminate is a pressure-sensitive adhesive layer, a surface layer laminated on one surface side of the pressure-sensitive adhesive layer, and a surface on which the surface layer is laminated on the other surface side of the pressure-sensitive adhesive layer. Having a resin separator layer laminated on the opposite surface side,
At least one of the pressure-sensitive adhesive layer, the surface layer, and the separator layer has a layer having a surface electrical resistance of 1 × 10 ⁵ to 1 × 10 ¹² Ω / □,
Peeling the separator layer from the laminate to obtain a pressure-sensitive adhesive film having a surface layer and a pressure-sensitive adhesive layer;
Laminating the pressure-sensitive adhesive film on a molded body under vacuum or reduced pressure conditions;
And a step of pressure-bonding the pressure-sensitive adhesive film to the molded body by a pressure difference. A base material layer;
A resin layer laminated on one surface side of the base material layer and having a surface electrical resistance of 1 × 10 ⁵ to 1 × 10 ¹² Ω / □;
A resin separator having a release agent layer laminated on the other surface side of the base material layer,
The separator used in order to protect the adhesive film used for shaping | molding on vacuum conditions or pressure reduction conditions. An adhesive layer;
A surface layer laminated on one side of the pressure-sensitive adhesive layer, and at least one of the pressure-sensitive adhesive layer and the surface layer has a surface electrical resistance of 1 × 10 ⁵ to 1 × 10 ¹² Ω / □. A pressure-sensitive adhesive film having a layer which is

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