JP2001277456A - Construction member, fixture member, decorative door, floor plate and manufacturing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide construction members such as a fixture member, a decorative door and a floor plate wherein troubles occurring due to an insufficiency of adhesion are eliminated in the construction member wherein a decorative sheet using a multiple layer sheet for which resin sheets are laminated is pasted on the surface of a base material, and also, provide the manufacturing method. SOLUTION: For this construction member, e.g. a pattern layer 4 and an adhesive layer 5 are provided between sheet base materials (3 and 3'), and a decorative sheet having a coloring material 7 filled in the recess sections of an unevenness 6 on the sheet base material 3', is pasted on a construction member base material 20. In such a construction member, as the adhesive layer 5, a two liquid hardening type adhesive comprising an isocyanate component (1) and a polyol component (2) is used. The isocyanate component (1) comprises an isocyanate group terminal urethane prepolymer, or the isocyanate group terminal urethane prepolymer and an aliphatic polyisocyanate. The polyol component (2) comprises a polyol and/or a hydroxy group terminal urethane prepolymer by the polyol and the aliphatic polyisocyanate.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a building member such as a decorative member or a decorative door or a floor plate, which is obtained by attaching a decorative sheet having a laminated structure based on a resin sheet such as a polyolefin resin to the substrate, and a building member such as a decorative door or a floor plate. The present invention relates to a manufacturing method, and more particularly to a building member such as a decorative member, a decorative door or a floor plate using a specific adhesive having a high initial adhesive force as an adhesive for laminating a sheet base constituting a decorative sheet, and a method of manufacturing the same. .

[0002]

2. Description of the Related Art For interior and exterior of buildings, or for surface decoration of furniture, home appliances, and other miscellaneous goods, there are those made of synthetic resin sheets as a base material and applied with cosmetics. A so-called “PVC decorative sheet” using a resin sheet as a base material is often used.

[0003] Polyvinyl chloride resin sheets are suitable for printing and laminating. In addition, the polyvinyl chloride resin sheet is softened by heating, easy to process such as embossing, the degree of hardness and softness can be freely adjusted by the amount of plasticizer added, and it does not burn itself in case of fire ,
That is, it has many advantages such as lack of self-combustibility, and also has the economical advantage of being stable in price because it is a general-purpose resin. However, while the polyvinyl chloride resin sheet has many advantages, it also has disadvantages. Since polyvinyl chloride resin contains chlorine in its structure, it is inevitable that the polyvinyl chloride resin discolors over time due to the action of ultraviolet rays in sunlight. Further, during combustion, there is a possibility that a chlorine-based gas such as hydrogen chloride or smoke is generated, and further, there are various problems caused by containing a plasticizer.

Therefore, studies have been made to realize a polyolefin decorative material which maintains the characteristics of a polyvinyl chloride resin sheet while changing the resin used to a polyolefin resin. Many polyolefin resins are general-purpose resins and are stable in terms of price. On the other hand, these points have been improved since the adhesiveness when bonding to a material is inferior to that of a polyvinyl chloride resin sheet.

[0005] When a decorative material is composed of a polyolefin resin, typical examples of the layer structure include a single-layer decorative sheet obtained by applying a makeup to a single-layer resin sheet and a resin sheet composed of two or more layers. There is a multi-layer decorative sheet provided with makeup.
When constructing a multi-layer decorative sheet using a polyvinyl chloride resin sheet as a material, the polyvinyl chloride resin sheets can be laminated by heat fusion, but in a general resin sheet, they are laminated using an adhesive. There is a need.

When laminating the same resin sheets that are difficult to adhere or different resin sheets,
Urethane adhesives with good wettability and high adhesive strength are often used, but the adhesive strength of the urethane adhesive is improved over time by crosslinking and curing due to the chemical reaction between the polyol component and the isocyanate component. In some cases, the initial adhesive strength is not always sufficient, and when use as a product is urgent, a curing step of heating at a temperature of about 40 ° C. for several days before use is usually performed to improve the adhesive strength. It is the present situation.

In the field of cosmetic materials, embossing for transferring irregularities on the surface of a mold roll using a metal mold roll or the like is one of the cosmetic means. In some cases, a step of heating the sheet at a high temperature to soften the sheet is performed. However, when a multi-layer decorative sheet laminated via an incompletely cured adhesive is heated at a high temperature, not only does the adhesive soften, but the air entrapped between the layers during the lamination expands to generate air bubbles. The remaining volatile components are vaporized and foamed, and a plurality of resin sheets constituting the multi-layer decorative sheet may be partially lifted or, in extreme cases, peeled off.

[0008] Of course, as described above, if the curing step is performed to complete the curing reaction and the adhesive strength is sufficiently improved and then softened by heating and embossing is performed, the problem can be solved. Immediately after lamination, the laminated multi-layer sheet must be wound and stored once, cured, and then supplied again from the feeder side of the embossing machine for processing, and the semi-finished product immediately after lamination is temporarily stored. In addition to the need for space, it is necessary to wait for time during the curing period, the period required for production is lengthened, and there is a disadvantage that the use as a product is urgent. Therefore, immediately after laminating using a two-component curable adhesive such as a urethane-based adhesive, there has been a strong demand for heating and softening the laminated multilayer sheet and performing embossing as it is.

[0009]

Accordingly, in the present invention, there is provided a building member having a decorative sheet formed by using a multilayer sheet obtained by laminating a resin sheet mainly composed of a polyolefin resin on the surface of a base material. As described above, a building member such as a decorative member, a decorative door, a floor plate, and the like, and a method of manufacturing the same, which are obtained by sticking a decorative sheet that has solved various obstacles caused by insufficient adhesion to a base material surface, and a method of manufacturing the same. The task is to provide.

[0010]

SUMMARY OF THE INVENTION As a result of examination by the inventor,
It has been found that the above problems can be solved by forming an adhesive layer using a specific isocyanate component and a polyol component as a two-component curable urethane-based adhesive.

[0011] The invention of claim 1 is a building member having a decorative sheet adhered to a base material, wherein the decorative sheet comprises
The multi-layer sheet is formed by applying a makeup to a multi-layer laminated sheet in which at least two or more layers are laminated via an adhesive layer, and the adhesive constituting the adhesive layer is an isocyanate group-terminated urethane prepolymer. Alternatively, an isocyanate component (1) comprising the isocyanate group-terminated urethane prepolymer and an aliphatic polyisocyanate, a polyol and / or
Alternatively, the present invention relates to a building member characterized in that a two-component curable adhesive comprising the polyol component (2) comprising a hydroxyl-terminated urethane prepolymer of the polyol and an aliphatic polyisocyanate is cured. .

[0012] According to a second aspect of the present invention, in the first aspect, the adhesive constituting the adhesive layer is a polyol among the polyol constituting the isocyanate group-terminated urethane prepolymer of the isocyanate component (1) and the excess isocyanate. Has at least a hydroxyl equivalent of 300 to 1
500 polyester polyol (11), polyether polyol (12) having a hydroxyl equivalent of 300 to 1500,
And a building component comprising three components of a tri- to octa-functional polyol (13) having a hydroxyl equivalent of less than 300.

According to a third aspect of the present invention, in the second aspect, the adhesive constituting the adhesive layer is such that each polyol constituting the isocyanate group-terminated urethane prepolymer of the isocyanate component (1) comprises (11), ( 12), (1
3) and a polydiene polyol (14) having a hydroxyl equivalent of 250 to 2000, and the equivalent ratio of each polyol is the sum of (12), (13) and (14) with respect to 1 equivalent of (11). Is a building member having an equivalent weight of 1 or less.

According to a fourth aspect of the present invention, in the first aspect, the two or more sheets of the decorative sheet are laminated via the adhesive layer and the pattern layer. It relates to building components.

A fifth aspect of the present invention relates to the building member according to any one of the first to fourth aspects, wherein the decorative sheet has irregularities formed on the outermost surface.

[0016] The invention of claim 6 relates to the building member according to claim 5, wherein a concave or convex portion formed on the outermost surface of the decorative sheet is filled with a coloring material.

According to a seventh aspect of the present invention, there is provided a construction member having a decorative sheet adhered to a base material,
The multi-layer sheet is formed by applying a makeup to a multi-layer laminated sheet in which at least two or more layers are laminated via an adhesive layer, and the adhesive constituting the adhesive layer is an isocyanate group-terminated urethane prepolymer. Alternatively, an isocyanate component (1) comprising the isocyanate group-terminated urethane prepolymer and an aliphatic polyisocyanate, a polyol and / or
Alternatively, the present invention relates to a fabrication member characterized in that a two-part curable adhesive comprising the polyol component (2) comprising a hydroxyl group-terminated urethane prepolymer of the polyol and an aliphatic polyisocyanate is cured. .

An eighth aspect of the present invention is a decorative door comprising a decorative sheet adhered to a substrate, wherein the decorative sheet is a multi-layered sheet in which two or more multi-layer sheets are laminated via an adhesive layer. The laminated sheet of the layers is formed by applying a makeup, and the adhesive constituting the adhesive layer is an isocyanate component comprising an isocyanate group-terminated urethane prepolymer or the isocyanate group-terminated urethane prepolymer and an aliphatic polyisocyanate A two-part curable adhesive comprising (1) and a polyol component (2) comprising a polyol and / or a hydroxyl-terminated urethane prepolymer of the polyol and an aliphatic polyisocyanate is cured. Related to the decorative door.

A ninth aspect of the present invention is a floorboard comprising a decorative sheet adhered to a base material, wherein the decorative sheet has a multilayer structure in which two or more multilayer sheets are laminated via an adhesive layer. Wherein the adhesive constituting the adhesive layer is an isocyanate component comprising an isocyanate group-terminated urethane prepolymer or an isocyanate group-terminated urethane prepolymer and an aliphatic polyisocyanate ( A two-part curable adhesive comprising 1) and a polyol component (2) comprising a polyol and / or a hydroxyl-terminated urethane prepolymer of the polyol and an aliphatic polyisocyanate, is cured. It relates to a floor plate to be used.

A tenth aspect of the present invention is a method for manufacturing a building member comprising a decorative sheet adhered to a substrate, wherein the step of manufacturing the decorative sheet comprises laminating two or more sheets via an adhesive layer. And forming a laminated sheet, and after forming the laminated sheet, immediately after the adhesive layer is in an incompletely cured state, the method includes heating and softening the laminated sheet, and pressing with a concavo-convex mold, The adhesive constituting the adhesive layer is an isocyanate component-terminated urethane prepolymer or an isocyanate component (1) composed of the isocyanate group-terminated urethane prepolymer and an aliphatic polyisocyanate, and a polyol and / or the polyol and an aliphatic polyisocyanate. A two-component curable adhesive comprising a polyol component (2) comprising a hydroxyl-terminated urethane prepolymer from an isocyanate Agent is a method for manufacturing a building element, characterized in that is obtained by curing.

The invention according to claim 11 is a method for manufacturing a building member in which a decorative sheet is adhered to a base material, wherein the step of manufacturing the decorative sheet comprises the step of forming a resin melted on the sheet via an adhesive. Are extruded into a sheet shape and laminated to form a laminated sheet, and immediately after the formation of the laminated sheet, the laminated sheet is heated and softened immediately after the adhesive layer is in an incompletely cured state, and is applied in an uneven shape. Pressing, wherein the adhesive constituting the adhesive layer comprises an isocyanate component-terminated urethane prepolymer or an isocyanate component (1) composed of the isocyanate group-terminated urethane prepolymer and an aliphatic polyisocyanate, and a polyol and / or A polyol component (2) comprising a hydroxyl-terminated urethane prepolymer of the polyol and an aliphatic polyisocyanate A process for producing a building element, characterized in that two-component curable adhesive comprising is obtained by curing.

[0022]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a building member according to the present invention will be described below with reference to the drawings.

FIGS. 1A and 1B are views showing a typical example of a sectional structure of a building member according to an embodiment of the present invention. The present invention is characterized by an adhesive used for laminating a resin sheet.
The present invention can be applied to a building member stuck to No. 0.

In the building member shown in FIG. 1A, a decorative sheet 10 is adhered to a building member base material 20 by an adhesive layer 9. The decorative sheet 10 has an upper surface side (=
The pattern layer 4 is laminated on the surface side), another transparent sheet substrate 3 ′ is laminated on the pattern layer 4 via the adhesive layer 5, and the surface of the transparent sheet substrate 3 ′ is uneven. 6 are formed, and the coloring material 7 is filled in the concave portions of the unevenness 6. The pattern layer 4 and the adhesive layer 5 are turned upside down, that is, the adhesive layer 5 is first laminated on the upper surface side of the sheet substrate 3, and the pattern layer 4 is laminated thereon, and the transparent sheet substrate It may be coated with 3 '.

In the structure shown in FIG. 1A, the sheet substrate 3 is used as a colored sheet, and when printing on the colored sheet, it is determined whether the color tone is printed as intended or as a document. There is an advantage that the color tone can be easily determined. This is because, in the field of cosmetic materials, conventionally, on a colored sheet colored with a highlight color, printing has been often performed with a special color ink specially toned to have a predetermined hue of one to three colors.
When the sheet substrate 3 is a colored sheet and printing is performed on the back side of the transparent sheet substrate 3 ′, the color tone can be determined by superimposing the sheet substrate 3 after printing. When printing on a three-color or four-color plate with black color added as in normal printing, printing on the sheet base 3 or printing on the lower surface side of the transparent sheet base 3 ′ Is also good.

The decorative sheet 1 to be attached to the building member of the present invention
0 may be a colored layer laminated and applied instead of the decorative pattern layer 4 as shown in FIG. 1 (a), or a colored layer separate from the sheet substrate. May not be laminated, but the surface side may be colored by coloring the sheet substrate 3 itself. Alternatively, neither the pattern layer 4 nor the colored layer is laminated, and instead, the outermost surface is provided with the unevenness 6 to make it cosmetic. It is not necessary to fill the concave portions of the irregularities 6 with the coloring material 7, but when the coloring material 7 is filled, the three-dimensional effect is increased due to the difference in hue in addition to the physical irregularities.

FIG. 1 (b) corresponds to a transparent protective layer 8 laminated on the uppermost surface of the one shown in FIG. 1 (a). Is given,
The concave portion of the unevenness 6 is filled with a coloring material 7, and a transparent protective layer 8 is further formed thereon. In the structure shown in FIG. 1 (b), the irregularities 6 do not include the pattern layer 4 or the coloring layer.
It may be formed alone. The unevenness 6 may not be accompanied by the filling of the coloring material 7.

The decorative sheet 1 to be attached to the building member of the present invention
In the structure of No. 0, if necessary, the transparent sheet substrate 3 ′ and / or the sheet substrate 3 ′ may be used in order to improve the adhesiveness to the transparent sheet substrate 3 ′ or the sheet substrate 3.
May be subjected to a corona discharge treatment, a primer coating, or a lamination of an adhesive layer for lamination on one or both sides of the substrate. As the resin constituting the primer layer, polyester resin, polyurethane resin, acrylic resin, vinyl chloride / vinyl acetate copolymer, polyvinyl butyral resin, epoxy resin, etc. can be used, as well as alkyl titanate type and ethylene imine type compounds. it can. These resins and compounds are used alone or as a mixture to form a coating composition or an ink composition, and are formed into a primer layer using an appropriate coating means or printing means.

As described above, the makeup in the decorative sheet 10 to be attached to the architectural member of the present invention refers to the lamination of the pattern layer 4 and the colored layer and the formation of the unevenness 6. A typical makeup is a lamination of the pattern layer 4 by printing or the like, but the decorative sheet 10 having only the pattern layer 4 is often
It is easy to feel flat. Then, when the transparent sheet base material 3 ′ and the transparent protective layer 8 are further laminated on the pattern layer 4, the apparent depth increases because the transparent layer exists on the pattern layer 4. The transparent protective layer 8 may be coated with a thermoplastic resin paint, but also for the purpose of protecting the surface, it is coated with a thermosetting resin or an ionizing radiation-curable resin composition paint to form the transparent protective layer 8. It may be formed by lamination.

Even if the unevenness 6 is formed on the surface instead of the lamination of the pattern layer 4, it becomes a makeup. For example, if the sheet substrate 3 is set as a white plain sheet and the texture 6 of the cloth is provided on the surface of the transparent sheet substrate 3 ', a soft feeling of the cloth is generated, and a calm atmosphere is given. The transparent sheet substrate 3 'provides depth and gloss. The unevenness 6 gives a more complicated impression when used in combination with the pattern layer 4. For example, when the pattern layer 4 having a wood grain pattern is combined with the fine channel groove-shaped unevenness 6 on the surface of the board, not only printing occurs. Thus, it is possible to produce a three-dimensional effect close to a real wood grain. Further, lamination of the pattern layer 4 and the transparent protective layer 8,
And combining the three elements of the formation of the irregularities 6,
In addition, the depth and authenticity are further increased.

When the sheet substrate 3 is colored, a filler is often added in addition to the coloring agent. Since the agent may accumulate near the slit of the extrusion opening and cause problems such as streak-like or fish-like irregularities on the sheet surface, both sides of the layer containing the filler may be formed on both sides of the layer containing no filler. It is preferable that the film is formed by co-extrusion so as not to cause trouble due to deposition of the filler.
In this case, the sheet substrate 3 includes a back layer containing no filler,
Three layers, a center layer containing a filler and a coloring agent, and a surface layer containing no filler, are sequentially laminated. Since the colorant is generally finer and has better dispersibility than the filler, the colorant may be contained in all three layers. However, it is more preferable that the colorant is contained only in the central layer from the viewpoint of film forming aptitude.

On the lower surface of the transparent sheet substrate 3 ',
An adhesive resin layer may be laminated to increase the adhesive strength. A method of forming a film by co-extrusion during the production of the transparent sheet base material 3 'is preferable, or a method in which an adhesive resin is melt-extruded on one surface of the once formed transparent sheet base material 3' and immediately laminated. Is also good. Figure 1
In all of the building members described with reference to (a) and (b), the lowermost surface of the decorative sheet 10 is attached to the building member base material 20 so that it can easily adhere to a general adhesive. A back primer layer for the purpose may be laminated.

The sheet substrate 3 and the transparent sheet substrate 3 ', the pattern layer 4, the adhesive layer 5, the unevenness 6, the transparent protective layer 8, the coloring material 7, the building member substrate 20, and the adhesive layer 9 will be described.

As the sheet base material 3 and the transparent sheet base material 3 'of the decorative material of the present invention, various resin sheets can be generally used, but a specific adhesive which is a characteristic requirement of the present invention is used. The most preferable case in which the effect of the application of the layer 5 is exhibited is a case where at least one is a polyolefin-based resin sheet. When one is made of a polyolefin-based resin sheet, either the sheet base material 3 or the transparent sheet base material 3 ′ may be made of a polyolefin-based resin sheet. In the thickness of the laminated sheet, the thickness of the polyolefin resin sheet is 50% to 90%, preferably 70%.
It preferably accounts for ~ 90%. The thickness of the sheet base 3 and the transparent sheet base 3 ′ is 20 μm to 100 μm.
m.

In the above case, examples of the resin sheet other than the polyolefin resin sheet include those made of various synthetic resins as exemplified below. Various synthetic resins include ethylene-vinyl acetate copolymer resin, ethylene-
Vinyl alcohol copolymer resin, polyester resin (for example, polyethylene terephthalate resin, polybutylene terephthalate resin, and polyethylene naphthalate,
Ethylene terephthalate-isophthalate copolymer resin, etc., acrylic resin (poly (meth) methyl acrylate resin, poly (meth) ethyl acrylate resin, poly (meth) acrylate butyl resin, etc., provided that (meth) acrylic acid Means acrylic acid or methacrylic acid), polyamide resin such as nylon 6 or nylon 66, cellulose triacetate resin, cellophane, polystyrene resin, polycarbonate resin, polyarylate resin, or polyimide resin.

At least one of the sheet base material 3 and the transparent sheet base material 3 ′ of the decorative material of the present invention is a polyolefin resin sheet. Polyolefin resins suitable for use as decorative materials are more specifically described. Broadly speaking, there are two types: non-elastomer polyolefin-based resins and polyolefin-based thermoplastic elastomers.

One type of polyolefin resin constituting the polyolefin resin layer is a non-elastomer, and specifically, polyethylene (low density or high density), polypropylene (isotactic type, syndiotactic type, Or a mixture thereof), polymethylpentene, polybutene, ethylene / propylene copolymer,
It is a highly crystalline material such as a propylene / butene copolymer.

Another type of polyolefin-based resin constituting the polyolefin-based resin layer is a polyolefin-based thermoplastic elastomer and has the following (1) to (8).
It is something like

(1) The main raw material is made of high-density polyethylene or isotactic polypropylene, which is a hard segment, and further contains an elastomer as a soft segment and, if necessary, an inorganic filler. Here, as the elastomer, a diene rubber, a hydrogenated diene rubber, an olefin elastomer or the like is used. Examples of the diene rubber include isoprene rubber, butadiene rubber, butyl rubber, propylene / butadiene rubber, acrylonitrile / butadiene rubber, acrylonitrile / isoprene rubber, and styrene / butadiene rubber. The hydrogenated diene rubber is obtained by adding a hydrogen atom to at least a part of the double bond of the diene rubber molecule. The hydrogenated diene rubber is a crystal of a polyolefin resin (in the present invention, a hard segment such as high density polyethylene or polypropylene) This is an improvement in flexibility and improved flexibility. The olefin elastomer is an elastic copolymer obtained by adding at least one polyene copolymerizable with two or more kinds of olefins. As the olefin, ethylene, propylene, α-olefin, or the like is used. , 1,4-hexadiene, cyclic dienes, norbornene and the like are used. Preferred olefin copolymer rubbers include, for example, elastic copolymers containing an olefin as a main component, such as ethylene / propylene copolymer rubber. In addition, these elastomers may be appropriately cross-linked by using a cross-linking agent such as an organic peroxide or sulfur, if necessary.

(2) The hard segment is made of isotactic polypropylene and the soft segment is made of atactic polypropylene. ).

(3) A copolymer of ethylene / propylene / butene containing one of the three structural isomers of 1-butene, 2-butene or isobutylene as butene. The following (3a) to (3c) are typical. (3a) A ternary random copolymer of ethylene / propylene / butene, in which propylene in the monomer is preferably 90% by weight (described in JP-A No. 9-111055). (3b) An amorphous material comprising a terpolymer of ethylene / propylene / butene and a crystalline polypropylene having a propylene component content of 50% by weight or more (described in JP-A-5-77371). . (3c) A low-crystalline material having a propylene and / or 1-butene content of 50% by weight or more and a crystalline polyolefin such as isotactic polypropylene, and an oil gelling agent of 0.5% by weight. Added (JP-A-7
316358).

(4) The hard segment is polyethylene,
A crystalline rubber such as polypropylene or polymethylpentene, and a monoolefin copolymer rubber such as an ethylene / propylene non-conjugated diene terpolymer rubber in which soft segments are partially cross-linked (described in JP-B-53-21021) ).

(5) An olefin copolymer (crystalline) as a hard segment and an uncrosslinked monoolefin copolymer rubber as a soft segment are heated and subjected to a shear stress while being partially crosslinked (particularly). Kosho 53-34
No. 210).

(6) A peroxide-decomposable olefin polymer, such as isotactic polypropylene, propylene / ethylene copolymer, or propylene / butene-, which has a reduced molecular weight and increased fluidity when mixed and heated with peroxide.
(1) A peroxide-crosslinked monoolefin polymer in which fluidity is reduced by a similar operation using a copolymer as a hard segment, for example, ethylene / propylene copolymer rubber, ethylene / propylene / non-conjugated diene terpolymer rubber Is a soft segment, and is obtained by mixing and heating non-crosslinked hydrocarbon rubber, which is not crosslinked by the same operation and does not change its fluidity, in the presence of a peroxide ( Tokunosho 5
No. 6-15741).

(7) Ethylene / styrene / butadiene copolymer (described in JP-A-2-139232).

(8) The olefin elastomer of the above (1) to (7) having a hydroxyl group or a carboxyl group.

Sheet substrate 3 and transparent sheet substrate 3 ′
In order to avoid adverse effects of ultraviolet rays such as sunlight, it is preferable to use a polyolefin-based resin to which an additive of an ultraviolet absorber or a light stabilizer is added.
If the ultraviolet absorber and the light stabilizer can be polymerized with the polyolefin-based monomer, they can be used as they are, and if they cannot be polymerized alone, a compound having a polymerizable functional group such as an acryloyl group introduced may be blended. It is more preferable to form a polymer and to constitute the sheet substrate 3 and the transparent sheet substrate 3 ′ with the obtained copolymer resin as a main component.

As the ultraviolet absorber, the following (1)-
Something like (5) can be used. (1) Benzophenones; 2,4-dihydroxybenzophenone, 2-hydroxy-4-methoxy-benzophenone, 2-hydroxy-4-n-octoxybenzophenone, 2-hydroxy-4-methoxy-benzophenone-5-sulfonic acid. (2) benzotriazole type; 2- (2′-hydroxy-5′-methylphenyl) benzotriazole,
(2′-hydroxy-3′-t-butyl-5′-methylphenyl) -5-chlorobenzotriazole, 2-
(2′-hydroxy-3 ′, 5′-di-tert-butylphenyl) -5-chlorobenzotriazole, 2- (2′-
Hydroxy-3 ', 5'-dicumylphenyl) phenylbenzotriazole, 2- (2'-hydroxy-3'-
Dodecyl-5'-methylphenyl) benzotriazole, 2,2'-methylenebis [4- (1,1,3,3-
Tetramethylbutyl) -6- (2H-benzotriazol-2-yl) phenol]. (3) Acrylate; ethyl-2-cyano-3,3 ′
-Diphenyl acrylate, 2-ethylhexyl-2-
Cyano-3,3'-diphenyl acrylate. (4) salicylate; phenyl salicylate, 4-t
-Butylphenyl salicylate. (5) oxanilide; 2-ethoxy-2′-ethyloxalic acid bisanilide, 2-ethoxyxin-5
t-Butyl-2'-ethyloxalic acid bisanilide. The ratio of applying these ultraviolet absorbers is preferably in the range of 0.1 to 2% by weight based on the resin content of the layer to be added. If less than 0.1% by weight, the effect of addition is poor,
If it exceeds 2% by weight, the effect is not improved and bleeding (bleeding) easily occurs on the sheet surface.

As the light stabilizer, a hindered amine light stabilizer (Hindered Amine Light) is used.
Stabilizer)
The following compounds, commonly referred to as HALS, can be used. Bis- (2,2,6,6-tetramethyl-4-piperidinyl) sebacate, bis- (N-methyl, 2,2,
6,6, -Tetramethyl-4-piperidinyl) sebacate, [dimethyl-1- (2-hydroxyethyl) -4-hydroxy-2,2,6,6-tetramethylpiperidine] succinate condensate, poly} [6- (1,1,3,3
-Tetramethylbutyl) imino] -1,3,5-triazine-2,4-diyl [(2,2,6,6-tetramethyl-4-piperidyl) imino] hexamethylene [(2
2,6,6-tetramethyl-4-piperidyl) iminol]}. The ratio of adding these light stabilizers is preferably in the range of 0.1 to 2% by weight based on the resin content of the layer to be added. If it is less than 0.1% by weight, the effect of addition is poor, and if it exceeds 2% by weight, no improvement in the effect is observed.

Although the ultraviolet absorber and the light stabilizer are effective even when used alone, it is not clear why they are used together, but the effects are synergistically improved. It is desirable. If the ultraviolet absorber and the light stabilizer are simply mixed, bleeding during use is inevitable. Therefore, instead of the above hindered amine-based light stabilizer, 4- (meth) acryloyloxy-2,2,2 is used. 6,
6-tetramethylpiperidine, 4- (meth) acryloyloxy-1,2,2,6,6-pentamethylpiperidine, 4- (meth) acryloyloxy-1-propyl-
2,2,6,6-tetramethylpiperidine, or 4-
(Meth) acryloyloxy-1-butyl-2,2,
Compounds having a (meth) acryloyloxy group such as 6,6-tetramethylpiperidine, or 4-crotonoyloxy-2,2,6,6-tetramethylpiperidine, or 4-crotonoyloxy-1-propyl-2 , 2,
It is more preferable to prevent bleeding by using a resin obtained by graft copolymerizing a compound having a crotonoyloxy group such as 6,6-tetramethylpiperidine.

In the present invention, when the transparent sheet base material 3 'is a polyolefin resin sheet, an adhesive polyolefin resin layer is preliminarily laminated thereunder to improve the adhesiveness with the lower layer. Can be. Here, the adhesive polyolefin-based resin layer refers to, for example, polyethylene, polypropylene, or an ethylene / propylene copolymer, or polyolefins in a broad sense, which are copolymers of these with other α-olefins or vinyl acetate. , Maleic acid, acrylic acid or fumaric acid, especially maleic acid, in an amount of 10 ^-4 to 10% by weight, preferably 10 ^-3 to
It is a resin layer obtained by graft copolymerization in the range of 5% by weight. When laminating the adhesive polyolefin resin layer, when extruding the polyolefin resin layer constituting the transparent sheet substrate 3 ′, simultaneously extruding from one T-die, by a melt extrusion method, or using either one of the resin layers After forming the film, the other resin layer may be laminated by extrusion coating.

The pattern layer 4 is for giving the decorative material of the present invention a design value in appearance, and is usually formed by a printing method using ink. The pattern of the pattern layer 4 may be arbitrary, and is selected according to the application. As a printing method, a gravure printing method, which has a wide selection range of a binder in consideration of adhesiveness, is suitable, but other methods may be used. Electrophotography, ink jet printing and the like have not been widely used in the field of cosmetic materials, but can be used as a means for forming the pattern layer 4 in principle.

From the viewpoint of protection of the pattern layer 4, the printing position is preferably either on the upper surface of the sheet substrate 3 or on the lower surface of the transparent sheet substrate 3 '. Of these, when printing on the back side of the transparent sheet base material 3 ', it is preferable to print the pattern with the left and right distinction by using a so-called reverse printing in which the left and right sides are created upside down. It is not impossible that printing is performed on the upper surface side of the transparent sheet substrate 3 ′ or the upper surface side of the transparent protective layer 8. A space between the members 3 'is appropriate. If printing is to be performed on the upper surface side of the transparent protective layer 8, there is a case where a portion that is to be shown as a concave portion is printed with an ink having a matte effect in order to express a feeling of unevenness.

When forming the pattern layer 4 by the printing method, it is necessary to consider the adhesiveness with the sheet substrate 3 or the transparent sheet substrate 3 '. As the binder for the ink, vinyl chloride / vinyl acetate copolymer, chlorinated polypropylene, acrylic resin, polyurethane resin, polyamide resin, polystyrene resin, unsaturated polyester resin, epoxy resin, etc. are preferable. When using a resin, it is preferable to use a chlorinated polypropylene-based or polyurethane-based resin in consideration of adhesiveness. As the polyurethane-based resin, a one-pack resin containing a portion that can be crosslinked by moisture in the air or the like is used. It is preferable to use a two-pack type in which a crosslinking agent comprising a mold and an isocyanate is added at the time of use. When the pattern layer 4 is formed of ink, the coloring agent such as pigment or dye contained in the ink tends to have a negative effect on the adhesiveness. A colorless reducer (also called an extender, medium, etc.) containing the same binder as the ink used to form the ink and containing no colorant is applied to form a transparent resin layer. 4 has improved adhesion and is preferred.

In the case of a multi-layer decorative sheet such as a decorative sheet to be attached to a building member of the present invention, when the material is a polyvinyl chloride resin-based material, the decorative sheet is usually applied by heat fusion in many cases. In the decorative sheet 10 used in the present invention, the isocyanate component (1) described in detail below.
, And an adhesive layer using a two-component curable adhesive composed of a polyol component (2). The places where the adhesive is applied include the sheet substrate 3 (or the primer layer thereon), the pattern layer 4 on the lower surface of the transparent sheet substrate 3 '(or the transparent resin layer formed on the pattern layer 4). Or between the pattern layer 4 (or the transparent resin layer formed on the pattern layer 4) formed on the sheet substrate 3 and the lower surface of the transparent sheet substrate 3 '(or the primer layer thereunder). Between.

As the adhesive, for example, a two-component curable polyurethane resin-based adhesive composed of a solvent solution of a polyol component and an isocyanate component is mixed so as to have a predetermined ratio of hydroxyl group to isocyanate group. Use and apply to one or both sides of the two surfaces to be bonded, and then press and superimpose both, or after applying and drying once, superimpose both, heat and press Glue. The application of the adhesive is usually performed by roll coating, gravure roll coating,
The coating amount is about ² to ²⁰ g / m ^{2 in} terms of solid content. Lamination is performed using a conventional dry laminator or extrusion coater. Polyurethane resin adhesives easily react with active hydrogen contained in many functional groups, and have high adhesiveness in various plastic sheet combinations because they have good solubility and good wettability with the adherend. .

The adhesive constituting the adhesive layer in the cosmetic material of the present invention includes an isocyanate group-terminated urethane prepolymer or an isocyanate component (1) comprising the isocyanate group-terminated urethane prepolymer and an aliphatic polyisocyanate; And / or a two-part curable adhesive comprising a polyol component (2) comprising a hydroxyl-terminated urethane prepolymer of the polyol and an aliphatic polyisocyanate.

In this preferred adhesive, the polyol among the polyol and excess isocyanate constituting the isocyanate group-terminated urethane prepolymer of the isocyanate component (1) has a hydroxyl equivalent of 300 to 300.
1500 polyester polyol (11), polyether polyol (1) having a hydroxyl equivalent of 300 to 1500
2), a 3- to 8-functional polyol (13) having a hydroxyl equivalent of less than 300, and a hydroxyl equivalent of 250 if necessary.
It is preferable that it is composed of up to 2000 polydiene polyol (14).

The polyol component (2) is preferably a 4- to 8-functional polyol having a hydroxyl equivalent of 50 to 300. (11)-which constitute the isocyanate group-terminated urethane prepolymer of the isocyanate component (1)
The equivalent ratio of each polyol of (14) is equivalent ratio (11) /
(12) / (13) / (14) = 1: (0.01 to 1)
/(0.01-2)/(0.01-1), but the equivalent ratio of each polyol is (12), (13), and (1) with respect to 1 equivalent of (1). More preferably, the total equivalent weight of (14) is 1 or less. Also,
In this preferred adhesive, the equivalent ratio of the isocyanate group of the excess isocyanate for constituting the isocyanate group-terminated urethane prepolymer of the isocyanate component (1) to the total hydroxyl group of each polyol of (11) to (14) is 1 .1 to 2.5: 1.

The polyester polyol (11) having a hydroxyl equivalent of 300 to 1500, which is one of the polyols constituting the isocyanate group-terminated urethane prepolymer of the isocyanate component (1), includes dicarboxylic acids, for example, those having 4 to 20 carbon atoms. Aliphatic dicarboxylic acid, carbon 8-18
At least one aromatic dicarboxylic acid, or an ester-forming derivative thereof, and at least one low molecular polyol (= 2 to 3 functional low molecular polyol, low molar adduct of alkylene oxide thereof, etc.) Condensed polyester polyol obtained by condensation, one of the above low molecular polyols
A polylactone polyol (for example, polycaprolactone diol) obtained by ring-opening polymerization of a lactone having 4 to 12 carbon atoms using at least one kind as a starting material, a polycarbonate polyol derived from one or more of the low-molecular-weight polyols and a carbonate ester, And mixtures of two or more of these. Of these, preferred are condensed polyester polyols, and particularly preferred are adipic acid, which is an aliphatic dicarboxylic acid, and ethylene glycol, which is a dihydric alcohol, and / or propylene glycol, which is a trihydric alcohol. Polyethylene adipate diol obtained by condensation. The hydroxyl equivalent of the polyester polyol (11) is usually from 300 to
The number is 1500, preferably 350 to 1200, and the number of functional groups is usually 2 to 3, preferably 2. If the hydroxyl equivalent is less than 300, the flexibility of the cured film of the adhesive is poor, and if it exceeds 1500, the adhesion to the polyolefin film is reduced.

Examples of the polyether polyol (12) having a hydroxyl equivalent of 300 to 1500 include one or more alkylene oxide (co) adducts of dihydric to polyhydric alcohols. Of these, preferred are 1,4-
Polyoxytetramethylene glycol obtained by ring-opening addition polymerization of tetrahydrofuran starting from butanediol. Specifically, they are polyoxypropylene diol and polyoxypropylene triol. The hydroxyl equivalent of the polyether polyol (12) is usually 3
00 to 1500, preferably 350 to 1200,
The number of the functional groups is usually 2 to 8, preferably 2 to 4.
If the hydroxyl equivalent is less than 300, the flexibility of the cured film of the adhesive is poor, and if it exceeds 1500, the adhesion to the polyolefin film is reduced.

Examples of the tri- to octa-functional polyol (13) having a hydroxyl equivalent of less than 300 include tri- to octa-valent polyhydric alcohols,
These alkylene (co) adducts and polylactone polyols obtained by ring-opening polymerization of lactones starting from tri- to hexafunctional polyhydric alcohols are mentioned. This 3- to 8-functional polyol having a hydroxyl equivalent of less than 300 (1
3) can use 2 or more types together. Of these, preferred are trimethylolpropane, propylene oxide adduct of trimethylolpropane, propylene oxide adduct of glycerin and polycaprolactone triol, and particularly preferred are trimethylolpropane, polycaprolactone triol and combinations thereof. is there. The hydroxyl equivalent of the polyol (13) is usually less than 300, preferably 250 or less, and the number of functional groups is usually 3 to 8, preferably 3 to 4. When the hydroxyl equivalent is 300 or more, the adhesiveness to the polyolefin film decreases.

Examples of the polydiene polyol (14) having a hydroxyl equivalent of 250 to 2,000 include polybutadiene polyol, polyisoprene polyol, partially or completely hydrogenated products thereof. Of these, polybutadiene diol is preferred, and particularly preferred is a microstructure in which 1,2-bonds in the molecule have 8
0% by weight or more of polybutadiene diol. The hydroxyl equivalent of this polydiene polyol (14) is usually 250
2,000, preferably 300-1800, and the average number of functional groups is usually 1.5-3, preferably 1.7-.
2.5. When the hydroxyl group equivalent is less than 250, the cured film of the adhesive becomes hard and there is a problem in flexibility, and when it exceeds 2,000, the adhesion to the polyolefin film is reduced.

In the preferred adhesive used in the cosmetic material of the present invention, the isocyanate of the polyol and the excess isocyanate constituting the isocyanate group-terminated urethane prepolymer of the isocyanate component (1) has 2 to 2 carbon atoms. 18 (excluding carbon in the isocyanate group) aliphatic diisocyanate, having 4 to 15 carbon atoms
Alicyclic diisocyanate, C8 to C15 araliphatic diisocyanate, modified products thereof (for example, isocyanurate modified product, buret modified product), and a mixture of two or more thereof. Preferred among these are isophorone diisocyanate, and dicyclohexylmethane diisocyanate, among those mentioned in the examples of alicyclic diisocyanate, and particularly preferred is isophorone diisocyanate.

The equivalent ratio of each of the polyols (11) to (14) constituting the isocyanate group-terminated urethane prepolymer of the isocyanate component (1) is equivalent ratio (11) / (1).
2) / (13) / (14) = 1 / (0.01 to 1) /
(0.01-2) /: (0.01-1), and more preferably the equivalent ratio (11) / (12) / (13) / (1)
4) = 1 / (0.02-0.8) / (0.02-1.
5) /: (0.02 to 0.8). Here, when the polyol (12) is less than 0.01 equivalent, the appearance of the adhesive becomes cloudy, and when it exceeds 1 equivalent, the adhesiveness to the polyolefin film is reduced. When the polyol (13) has reduced adhesiveness to the polyolefin film, and exceeds 2 equivalents, the flexibility of the cured film of the adhesive becomes poor. When the amount of the polyol (14) is less than 0.01 equivalent or more than 1 equivalent, the adhesion to the polyolefin film decreases.

Among the above polyols, (11) to (1)
The content of (11) in the total of 3) is 20 to 95 mol%,
Preferably 30 to 85 mol%, the content of (12) is 1 to
The content of (13) is 20 mol%, preferably 2 to 15 mol%, and 4 to 60 mol%, preferably 5 to 50 mol%. The proportion of the above polyols (11) to (13) inclusive of the polyol (14) is 80 to
The proportion occupied by 99 mol%, preferably 90 to 98 mol%, and thus polyol (14) is 1 to 20 mol%, preferably 2 to 10 mol%.

The polyol, which is a raw material constituting the isocyanate-terminated urethane prepolymer, is as described in the above (11),
When (12) and (13) are included, (11) 1
Per equivalent, (12) is 0.01 to 1 equivalent, preferably 0.02 to 0.8 equivalent, (13) is 0.01 to 2 equivalent,
Preferably it is 0.02-1.5 equivalent. If the amount of the polyol (12) is less than 0.01 equivalent, the appearance of the adhesive becomes cloudy, and if it exceeds 1 equivalent, the adhesiveness to the polyolefin film decreases. When the amount of the polyol (13) is less than 0.01 equivalent, the adhesiveness to the polyolefin film is reduced. When the amount exceeds 2 equivalents, the flexibility of the cured film of the adhesive becomes poor. The content of (11) in the total of the polyols (11), (12) and (13) is 20 to 95 mol%, preferably 30 to 85 mol%, and the content of (12) is 1%.
-20 mol%, preferably 2-15 mol%, the content of (13) is 4-60 mol%, preferably 5-50 mol%.

The isocyanate group-terminated urethane prepolymer of the isocyanate component (1) is prepared by reacting a polyol and an excess of isocyanate by an ordinary method. The reaction temperature is 50 ° C to 100 ° C, and if necessary, dilution with an organic solvent, addition of a catalyst, or the like may be performed. At this time, the equivalent ratio of the isocyanate group in the isocyanate to the hydroxyl group in the polyol (NCO / OH)
Is usually 1.1-2.5: 1, preferably 1.2-2.
2: 1. If the isocyanate group is less than 1.1 equivalents, the viscosity of the obtained isocyanate group-terminated urethane prepolymer becomes too high, and the coating suitability of the adhesive becomes poor,
If it exceeds 2.5 equivalents, the adhesiveness to the polyolefin film tends to decrease.

The aliphatic polyisocyanate constituting the isocyanate component (1) is preferably one having 3 to 6 or more functional groups, particularly 3 to 4 functional groups.
In addition, modified isocyanurate, buret modified, diisocyanate adduct of polyhydric alcohol, and a mixture of two or more of these are exemplified. Examples of the diisocyanate adduct of a polyhydric alcohol include a 1: 3 mol adduct of trimethylolpropane and diisocyanate. Of these, particularly preferred are isocyanurate-modified and burette-modified hexamethylene diisocyanate.

When an isocyanate group-terminated urethane prepolymer and an aliphatic polyisocyanate are used in combination in the isocyanate component (1), the equivalent ratio of the isocyanate group-terminated urethane prepolymer to the aliphatic polyisocyanate is the former / the latter = 1: (0 to 5), preferably 1: (0.01 to 5), more preferably 1:
(0.02 to 3). When the amount of the aliphatic polyisocyanate exceeds 5 equivalents, the adhesiveness to the polyolefin film decreases. The free isocyanate group content (per solid) in the isocyanate component is usually 1 to 15% by weight, preferably 2 to 10% by weight. The viscosity (25 ° C.) is usually 50 to 3000 mPa · s at a solid concentration of 50 to 70% by weight, preferably 100 to 250 mPa · s.
0 mPa · s.

In the preferred adhesive used in the present invention,
The polyol component (2) is either a polyol (21) or a hydroxyl-terminated urethane prepolymer of the polyol (21) and the aliphatic polyisocyanate (22), either alone or in combination. In any case, as the polyol, a 4- to 8-functional polyol having a hydroxyl equivalent of 50 to 300 is used alone or together with a polydiene polyol having a hydroxyl equivalent of 250 to 2000.

Examples of the 4- to 8-functional polyol having a hydroxyl equivalent of 50 to 300 include tri- to 8-functional polyols having a hydroxyl equivalent of less than 300. Adducts. Of these, preferred are propylene oxide adducts of one or more polyhydric alcohols selected from pentaerythritol, dipentaerythritol and sorbitol, and block or random coadducts of ethylene oxide and propylene oxide.
The hydroxyl equivalent is usually 50 to 300, preferably 70 to 2
And the number of functional groups is usually 4 to 8, preferably 5 to 6
It is. When the hydroxyl equivalent is less than 50, the flexibility of the cured film of the adhesive becomes poor, and when it exceeds 300, the adhesiveness to the polyolefin film is reduced.

Examples of the polydiene polyol having a hydroxyl equivalent of 250 to 2000 used in combination with the 4- to 8-functional polyol having a hydroxyl equivalent of 50 to 300 include polybutadiene polyol, polyisoprene polyol, and partially or completely hydrogenated products thereof. Among these, preferred are polybutadiene polyols, and particularly preferred are polybutadiol polyols having 1,2-bonds in the molecule in a microstructure of 80% by weight or more. The hydroxyl equivalent is usually 250-2000, preferably 300
And the average number of functional groups is usually 1.5 to
3, preferably 1.7 to 2.5. 2 hydroxyl equivalents
If it is less than 50, the cured film of the adhesive becomes hard, so that the flexibility of the laminated sheet when laminated using this adhesive becomes insufficient, and if it exceeds 2,000, the adhesiveness to the polyolefin film decreases.

The polyol may have a hydroxyl equivalent of 50 to 30.
0 to 4 to 8 functional polyol, and hydroxyl equivalent 250 to
When the polydiene polyol of 2000 is used in combination, the equivalent ratio is the former / the latter = 1: (0.05-1), preferably 1: (0.08-0.9). Within this range, the adhesion to the polyolefin film will be better.

As the aliphatic polyisocyanate constituting the hydroxyl group-terminated urethane prepolymer in the polyol component (2), of the aliphatic polyisocyanate mentioned above for constituting the isocyanate-terminated urethane prepolymer, aliphatic diisocyanate and / or Modified alicyclic diisocyanates (eg, isocyanurate modified, buret modified), particularly preferred are isocyanurate and buret modified hexamethylene diisocyanates.

The equivalent ratio (OH / NCO) of the hydroxyl group of the polyol to the isocyanate group of the aliphatic polyisocyanate in the hydroxyl group-terminated urethane prepolymer is usually
(3-25): 1, preferably (5-20): 1. If the hydroxyl group of the polyol is less than 3 equivalents, the viscosity of the obtained hydroxyl-terminated urethane prepolymer may be too high or gelation may occur, which is not preferable.

In order to obtain a hydroxyl group-terminated urethane prepolymer, the urethane prepolymer is prepared by reacting by a conventional method. The reaction temperature is 50 to 100 ° C., if necessary, dilution with an organic solvent,
For example, a catalyst may be added.

The hydroxyl value (per solid) of the polyol component (2) is usually 100 to 1200, preferably 150
１０００1000, more preferably 200-800. The viscosity (25 ° C.) is usually 3 to 150 mPa · s at a solid concentration of 50 to 60% by weight, preferably 5 to 130 mPa · s.
mPa · s.

In the adhesive used in the present invention, the equivalent ratio (NCO / OH) of the isocyanate group of the isocyanate component (1) to the hydroxyl group of the polyol component (2) is usually (0.7 to 1.3): 1, Preferably (0.8-1.
2): 1, more preferably (0.9-1.1): 1. When the equivalent of the isocyanate group of the isocyanate component (1) is less than 0.7 equivalent or more than 1.3 equivalent, the adhesiveness to the polyolefin film decreases.

Various additives commonly used may be added to the adhesive used in the present invention. Examples of the additive include a curing accelerating catalyst for accelerating the reaction between the two components of the adhesive, an antioxidant, and an ultraviolet absorber.

The decorative sheet 1 to be attached to the building member of the present invention
For example, as shown in FIG. 1B, a transparent protective layer 8 may be laminated on the uppermost layer. The transparent protective layer 8 is formed using a two-component curable polyurethane resin-based resin or a (meth) acrylate-based or epoxy-based ionizing radiation-curable resin composition that is cured by irradiation with ultraviolet rays or electron beams. A curing method is applied accordingly. The transparent protective layer 8 may contain an anti-wear agent for improving the abrasion resistance of the surface, a matting agent for adjusting the gloss of the surface, and the like. Examples of the former include alumina, silica or calcium carbonate, and examples of the latter include silica or calcium carbonate, shirasu balloon, resin beads, and the like.

The decorative sheet 1 to be attached to the building member of the present invention
As shown in FIGS. 1 (a) and 1 (b), irregularities 6 may be formed at 0. Since the unevenness 6 has already been described, supplementing the method of forming the unevenness 6, in the case of a cosmetic material that is made by imitating the real thing, the surface shape of the wood grain, the cloth grain, the stone grain, and the like are usually molded. Using the mold as a prototype, a roll mold suitable for industrial production is manufactured by modifying or joining the mold to increase the area. Roll type is usually
When used, the sheet is heated and softened in advance, and the surface of the roll mold is transferred to the sheet by applying a predetermined pressure to make the sheet uneven.

When coating the surface, a molding film is often used. Even when the shaping film is used, the unevenness itself provided on the surface of the decorative material is not different from that when the roll type is used. By forming unevenness with a relatively hard material on a paper or plastic film that has been subjected to a release treatment, curing the paint while peeling it over the painted paint surface, and peeling the mold film, the mold film The upper irregularities can be transferred.

In addition, various methods for imparting unevenness have been known in the related art. For example, a method of changing the degree of curing of the coating material on the surface to flow the resin to form the unevenness, and a method of forming an area where the coating material is repelled are provided. A method of forming a concave part due to the paint being repelled after forming, leaving a part of the paint uncured,
A method in which an uncured portion is peeled and removed or a solvent or the like is dissolved and removed. And a method of forming a bright color so that it looks visually as if it has irregularities. Either method is applicable to the cosmetic material of the present invention.

When the coloring material 7 is filled in the concave portions of the unevenness 6, a three-dimensional effect is increased because a hue difference is generated in addition to the height difference of the unevenness. As a method of filling the colorant, a colorant is applied to the vicinity of the top of the convex portion of the roll having the convex portion, and coloring is performed simultaneously with the formation of the concave and convex portions (so-called valley printing method). After forming, a method of filling only the concave portion with the coloring material and removing the coloring material of the flat portion by applying a paint and scraping with a squeegee (so-called wiping coating method, Japanese Patent Publication No. 58-14312) (Disclosed in Japanese Unexamined Patent Publication (Kokai) No. 2000-131). However, if the coloring material 7 is applied to the concave portions of the unevenness, the coloring material 7 comes to the outermost surface in that portion. Therefore, depending on the required degree of the physical and chemical properties, the coloring material 7 should be formed of a hardening type. Therefore, it is preferable to select a material according to the application.

[0086] The architectural member of the present invention includes the decorative sheet 1 described above.
0 is attached to various building member base materials 20 via an adhesive layer 9. As the building member base material 20, any material that is usually used as a target to which the decorative sheet 10 is to be pasted can be used. Wood veneer, wood plywood, particle board, wood fiber board such as medium density fiber board (MDF), iron alloy such as iron or stainless steel, aluminum or duralumin A metal foil made of a metal such as an aluminum alloy, etc.
Metal sheet or metal plate, acrylic resin, polycarbonate resin, polyester resin, polystyrene, polyolefin resin, ABS resin (acrylonitrile-butadiene-styrene copolymer), phenol resin, polyvinyl chloride, etc. (plastic film, plastic sheet) Or plates), ALC (lightweight cellular concrete) plates, slag cement plates, calcium silicate plates, glass plates, ceramic plates, and various other ceramic materials. The materials contained in each of these groups may be used alone, but a laminate of any combination of these materials, such as a composite of paper and a composite of paper and a plastic film, can also be used. These bases may be painted for the purpose of adjusting the color, or may be formed with a normal pattern in advance from the viewpoint of design. Prior to painting or formation of a normal pattern, the surface may be smoothed or a base treatment may be applied to increase the degree of adhesion of the pattern. After painting or forming a normal pattern, an adhesion improving process for facilitating subsequent processing may be performed.

As shown in FIGS. 1 (a) and 1 (b), the decorative sheet 10 has a construction member base material 20 as an adherend.
To be used as building members. Attachment of the decorative sheet 10 to the building member base material 20 is performed by a commonly used adhesive such as an emulsion adhesive, a dry laminating adhesive, or a hot melt adhesive. The decorative sheet 10 itself is heat-sealed or the like, and
The adhesive layer 9 can be omitted, for example, when it can be adhered to the surface.

Examples of the method of laminating the decorative sheet on the building member base material include, for example, a method of laminating the plate-shaped base material by pressing with a pressure roller via an adhesive layer, and Japanese Patent Publication No. Sho.
As described in Japanese Patent Publication No. 0-19132, Japanese Patent Publication No. 43-27488, etc., a decorative sheet is inserted between the male and female molds of injection molding, the molds are closed, and the molten resin is passed through the male mold gate. After injection-filling, cooling is performed, and a decorative sheet is adhered and laminated on the surface of the resin molded article at the same time as molding the resin molded article, so-called simultaneous injection molding laminating method, Japanese Patent Publication No. 56-4576.
No. 8, Japanese Patent Publication No. 60-58014, etc., a molded pillar sheet is opposed to or placed on the surface of a molded article with an adhesive layer interposed therebetween, and vacuum suction is performed from the molded article side. Laminating a decorative sheet on the surface of the molded product by pressure difference,
The so-called vacuum press lamination method, Japanese Patent Publication No. 61-5895
As described in JP-B-58-48348 and the like, a decorative sheet is supplied in the longitudinal direction of a columnar base material such as a column or a polygonal column through an adhesive layer between the plurality of columns. A so-called lapping method in which decorative sheets are sequentially pressed and laminated on a plurality of side surfaces constituting a columnar body by rollers having different directions, so-called lapping processing method, Japanese Utility Model Publication No. 15-31122, and JP-A-48-47972. As described in the official gazette and the like, a decorative sheet is first laminated on a plate-like base material via an adhesive layer, and then the decorative sheet and the plate-like base material are provided on the surface of the plate-like base material opposite to the decorative sheet. Cut into a V-shaped or U-shaped groove reaching the interface with, and then applying an adhesive in the groove, bending the groove, and forming a box or a columnar body. Cutting or U-cut processing method. According to the shape and type of the building member base material, the shape of the building member that is a molded product, or the type of decorative sheet, the decorative sheet is laminated to the building member base material by a method appropriately selected from the above various processing methods. Can be.

The above-mentioned building members are subjected to a predetermined forming process or the like as necessary, and are combined to form building members such as well-known building members having various structures, decorative doors, floor boards, ceiling boards, wall boards, and the like. be able to.

The above-mentioned construction members include building interiors, windows,
Among the structural or decorative members of fittings such as doors,
Rod-shaped or band-shaped means. Specifically, it is a window frame, a door frame, a skirting board, a rim, a Kamoi, a sill, a handrail, a casing material and the like. Representative examples of the feature members are shown in FIGS.

FIGS. 2 (a) and 2 (b) each show an example of a skirting board, and are perspective views in a partially cut-out state. In the baseboard, the decorative sheet 10 is laminated on the surface of a building member base material (hereinafter, abbreviated as a base material) 20 which generally forms a thin pillar or band-like body (a part which is usually exposed to the outside in a mounted state). Formed. The baseboard is glued to the bottom of the wall, that is, the surface where the wall contacts the floor,
It is fixed by means such as nails and screws.

In the skirting board of FIG. 2A, a groove a is engraved at the center of the surface of the substrate, and the decorative sheet 10 covers and laminates the front surface of the substrate 20 including the inside of the groove a. Are covered and laminated from the upper surface to the upper end of the rear surface. The back surface of the substrate 20 contacts the wall surface. The skirting board of FIG. The decorative sheet 10 is laminated so as to cover the entire front surface of the base material 20, the front end portion of the lower surface, and the front side of the concave strip b at the upper end. The wall plate 40 is fitted into the concave ridge portion b.

FIGS. 3 (a) and 3 (b) each show an example of a casing material, and are perspective views in a partially cut-out state. The casing material is the inner peripheral surface of the door frame,
A member that fits and covers an end surface such as an end of a wall surface to make up the end.

The casing member shown in FIG. 3A has a concave portion c formed on the back surface, and the front surface is processed into a shape including a step and a curved surface portion. The decorative sheet 10 is formed by covering the upper and lower portions of the concave ridge portion c among the front surface, the upper surface, the lower surface, and the rear surface of the base material 20 and laminated. The concave strip c of the casing material is joined to the end of the wall plate 41, and is fixed by means of an adhesive, a nail, a screw, or the like. The casing material shown in FIG. 3B is formed by covering and stacking a decorative sheet 10 on the front surface (right side in the figure), the upper surface, and a part of the back surface of a columnar base material 20 having a substantially L-shaped cross section. Become. As shown in the figure, this casing material is fitted and fixed to an end of a wall plate composed of a wall main body 42 and a wall decorative plate 43.

FIG. 4 shows an example of a door frame (door frame). The door frame is generally a frame surrounding four sides of the door or surrounding the upper side and three sides of the door, and the door is hinged to the door frame by hinges or the like. FIG. 4C is a perspective view illustrating the entire configuration of the door frame 44, and the door frame 44 includes a door frame main body 45 and a door stop 46.
It is composed of In the figure, the door is omitted.

FIG. 4A is a cross-sectional perspective view of a portion of the door frame having a door stop, and shows a door frame main body 45 and a door protruding from a side that comes into contact with the open end (non-pivot side) of the door. The decorative sheet 10 is made up of the contact surface 46 and the both ends of the entire surface on the door side of the base material 20a constituting the door frame main body 45, the side surfaces (left and right side surfaces in the figure), and the back surface (the lower surface in the figure). It is laminated on the base material 20b which covers the part and further forms the door stop 46. This type of door frame is fixed by being fitted into an opening or the like on a wall surface. FIG. 4B is a cross-sectional perspective view of a side having no door stop, that is, a portion corresponding to a pivot side.

FIG. 5 shows an example of a window frame. FIG. 5A is a cross-sectional perspective view of a vertical frame of a window frame, and a decorative sheet 10 is coated and laminated on a surface of a substrate 20 formed of a hollow columnar body having the shape shown in FIG. Be done.
In the example of FIG. 5A, the vertical frame 47 has a convex portion (4
7a, 47b) and the concave portions 47c run alternately adjacent and parallel to each other, and the bar 49 of the window 48 is housed between the two convex portions (47a, 47b) to keep the inside and outside airtight. ing. FIG. 5B is a cross-sectional perspective view of the side frame 80, in which a crosspiece at the upper end (or lower end) of the window is stored on the window side of the base material 20,
Two concave strips d and e for sliding and opening and closing the window are formed, and have a form of a threshold (or a gate). The decorative sheet 10 is coated and laminated on the surface except the back surface (the lower side in the figure) in contact with the wall. However, in order to prevent the decorative sheet from being worn due to friction with the window, the decorative sheet should not be laminated in the concave stripes d and e, or the surface of the decorative sheet in the concave stripes d and e should have abrasion resistance. -In order to provide lubricity, a layer of a material having high abrasion resistance and lubricity such as wax, fluororesin, metal or the like may be coated.

FIG. 6 is a front view of the entire window frame, and shows a state in which two glass windows are fitted. A window frame is composed of the vertical frame 51, the horizontal frames (52, 53), and the crosspiece 54, and a window glass 55 is fitted therein.

Further, as the above-mentioned architectural member, a decorative sheet is laminated on a base material having a predetermined shape and subjected to a predetermined forming process and the like.
By combining these, doors of various known structures can be configured. FIGS. 7 and 8 show typical examples of the door structure.

FIG. 7 is a perspective view of a so-called "flash door" of a decorative door, in which (a) is a partially cutaway perspective view of the door, and (b) is a state in which the door is attached to a door frame surrounding four rounds thereof. FIG. The flash door 60 is formed by laminating a decorative plate 30 formed by laminating the decorative sheet 10 on the base material 20 on the front and back surfaces of a skeleton composed of the bars 61 provided on the four sides and, if necessary, also on the inside. And it is configured as a hollow structure. The decorative sheet 10 may be attached to at least the surface side of the substrate 20. Also, if necessary, the four sides of the bar 6
A decorative plate having the same configuration as that described above is used for 1 and the edge member 62.
However, in this case, the decorative plate has a columnar shape. The flash door 60 further has a handle 64 attached thereto, and a pair of upper and lower hinges 65 is used to attach the flash door 60 to the door frame 63 as shown in FIG.
It is pivoted as shown in FIG.

FIG. 8 is a perspective view of a decorative door called a “frame door”, in which (a) is a partially cutaway perspective view of the door, and (b) is a state in which the door is attached to a door frame surrounding the four circumferences. FIG. Although there are many types of frame doors, a typical example is shown here. The illustrated frame door 70 has a mirror plate 71 at the center.
It has l pairs of horizontal stairs 72 above and below the end plate 71 and a pair of vertical stairs 73 on the left and right, and surrounds four sides of the end plate 71 so that the upper and lower horizontal stiles 72 and the left and right The vertical frame 73 is fitted as shown in FIG. The end plate 71, the horizontal frame 72, and the vertical frame 73 are all solid-structure base materials (20
a, 20b) on which decorative sheet 10 is laminated
0, and the exposed surfaces thereof are all formed by attaching the decorative sheet 10. This frame door 70 is further provided with a handle 64, and is attached to the door frame 63 using a pair of upper and lower hinges 65 as shown in FIG.
It is pivoted as shown in FIG.

The door structure includes various known structures such as folding doors (closet doors) in addition to those shown in FIGS.

Further, as the above-mentioned building member, a decorative sheet is laminated on a base material having a predetermined shape and subjected to a predetermined forming process and the like.
By combining these, floor boards having various known structures can be formed. As the base material of the floorboard, flat materials of various materials are applicable. FIG. 9 shows a typical example of the structure of the floorboard.

9A, the decorative sheet 10 is laminated on the surface of a base material 20 made of a rectangular (thin rectangular) wooden board, and the floor plate 80 is parallel to the longitudinal direction of the substrate 20. The three joint grooves 81 that run are cut by router processing. One of the side surfaces of the substrate 20 (the left side in FIG. 9A) is formed with one ridge f running in the longitudinal direction, and the other side surface (the right side in FIG. 9A). Is formed with a single concave ridge g, and the convex ridge f and the concave ridge g can be fitted to each other. A required number of the floor boards 80 are arranged in the width direction (the left-right direction in FIG. 9A), and are connected in the width direction by fitting adjacent ridges f and recesses g. Similar ridges and ridges are formed in the direction, and the two ridges are connected in the longitudinal direction. Thereby, a desired place on the floor surface can be covered with the floor plate 80. The floorboard 80 is connected to the floor base surface (concrete,
Adhesives, nails, metal fittings, and the like are used according to known means when fitting to wooden boards or the like, joists, or pulling. When joining a plurality of floorboards 30, similar means are used as needed.

The floor panel shown in FIG. 9B is a floor panel 90 in the form of a so-called plastic tile (resin tile).
It has various shapes such as a square and a rectangle. For example, the decorative sheet 10 is laminated on the surface of a resin base material 20 made of a polyolefin resin or the like. Usually, a hiding pigment such as titanium white or carbon black is added to the substrate 20 in order to obtain a sufficient hiding property. Further, in order to obtain dimensional stability, a woven or nonwoven fabric of glass fibers is usually further laminated on the back surface. Such a resin tile-like floorboard 90 is
The desired number is arranged on the floor, and the floor is laid to cover the floor. Adhesion of the floorboard to the base surface of the floor is also performed by a known means such as an adhesive.

(Examples) The following three adhesives (1), (2) and (3) were prepared for use in bonding.
First, the following was charged into a 1-L four-necked flask equipped with a stirrer, thermometer, cooling tube, and nitrogen inlet tube. 1) Polyethylene adipate diol (“San Ester 2610”, manufactured by Sanyo Chemical Industries, number average molecular weight 1000,
3) polybutadiene polyol (NISSO-PBG)
-2000), manufactured by Nippon Soda, number average molecular weight 2000, hydroxyl equivalent 1120) 37 parts, 4) trimethylolpropane 5 parts, 5) polyoxypropylene triol ("Sannicks Triol GP-600", manufactured by Sanyo Chemical Industries, Ltd.) Average molecular weight 600, hydroxyl equivalent 200) 30 parts, 6) ethyl acetate 280 parts 7) cyclohexane 70 parts The above components were uniformly mixed at a liquid temperature of 50 ° C for 30 minutes. The water content of this mixture was 0.03%. Subsequently, dicyclohexylmethane diisocyanate 1 was added under stirring.
21 parts and 0.06 part of dibutyltin dilaurate were charged,
The reaction was carried out at 70 ° C. for 5 hours under a nitrogen stream, and the free isocyanate group (NCO) content was 2.2% and the viscosity was 500 mPa · s.
(25 ° C.), an isocyanate-terminated urethane prepolymer solution (A-1) having a solid content of 52% was obtained. In a similar reaction vessel, propylene oxide adduct of sorbitol (“Sanix Hexaol SP-750”, manufactured by Sanyo Chemical Industries, number average molecular weight 750, hydroxyl equivalent 125) 350
Parts, ethyl acetate 350 parts, dibutyltin dilaurate 2
Part, "Ilganox 1135" (manufactured by Ciba Geigy,
Antioxidant) 0.5 part, "Tinuvin 571" (manufactured by Ciba Geigy, ultraviolet absorber) 1 part and "Tinuvin 76"
5 "(Ciba Geigy, light stabilizer)
Mix for 1 hour at 50 ° C, hydroxyl value 244, viscosity 8mP
a · s (25 ° C.), 50% solid content polyol solution (B
-1) was obtained. 100 parts of the above (A-1) and (B-
1) 12 parts (NCO / OH equivalent ratio = 1/1) were uniformly mixed to prepare the adhesive (1) of the present invention.

In the same reaction vessel as above, (A-
1) 500 parts of hexamethylene diisocyanate (H
DI) ("Duranate 24A-
100 ", manufactured by Asahi Kasei Kogyo Co., Ltd., NCO content 23%), 15 parts, and stirred and mixed at room temperature to obtain an NCO content of 2.8%,
NC with a viscosity of 300 mPa · s (25 ° C) and a solid content of 53%
An O-terminal urethane prepolymer solution (A-2) was obtained. 100 parts of the above (A-2) and 15 parts of the polyol solution (B-1) used in the adhesive (1) (NCO / OH equivalent ratio = 1/1) were mixed uniformly, and the adhesive of the present invention ( 2) was created.

In the same reaction vessel as in Example 1, polycaprolactone diol (“Placcel PLC210”, manufactured by Daicel Chemical Industries, Ltd., number average molecular weight 1000, hydroxyl equivalent 5
00) 177 parts, polyoxytetramethylene glycol (“PTMG-1000”), manufactured by Sanyo Chemical Industries, Inc., number average molecular weight 1000, hydroxyl equivalent 500) 35 parts, polyoxypropylene triol (“Sannicks Triol G”).
P-600 "), 21 parts of polycaprolactone triol (" Placcel PCL-303 ") and 11 parts of ethyl acetate were charged and uniformly mixed at a liquid temperature of 50C.
The water content of this mixture was 0.02%. Subsequently, 106 parts of isophorone diisocyanate and 0.06 part of dibutyltin dilaurate were charged under stirring, and the mixture was stirred under a nitrogen stream.
After reacting at 0 ° C. for 7 hours, the reaction mixture was cooled to 40 ° C., and then 46 parts of a burette-modified hexamethylene diisocyanate (HDI) (“Duranate 24A-100”) was charged, and the mixture was uniformly mixed at a liquid temperature of 40 ° C. for 30 minutes. Mix, NCO
An isocyanate-terminated urethane prepolymer solution (A-3) having a content of 3.2%, a viscosity of 200 mPa · s (25 ° C) and a solid content of 53% was obtained. In a similar reaction vessel, 125 parts of a propylene oxide adduct of sorbitol (“SUNIX hexaol SP-750”) and 18 parts of polybutadiene polyol (“NISSO-PB G-1000”) 18
0 parts and 350 parts of ethyl acetate were charged and uniformly mixed at a liquid temperature of 50 ° C. for 30 minutes. The water content of this mixture was 0.04%. Subsequently, 46 parts of an isocyanurate-modified hexamethylene diisocyanate (HDI) (“Duranate TPA-100”) and 2 parts of dibutyltin dilaurate were charged and reacted at 70 ° C. for 2 hours with stirring, and the NCO content was 0.05%. %, The same stabilizer (three kinds) as in Example 1 was added and mixed at 50 ° C. for 1 hour, and the hydroxyl value was 79 and the viscosity was 100 mP.
A hydroxyl group terminated urethane prepolymer (B-2) having a · s (25 ° C.) and a solid content of 50% was obtained. (A-3) 100 above
Part and (B-2) 54 parts ((NCO / OH equivalent ratio = 1)
/ 1) was uniformly mixed to prepare an adhesive (3) of the present invention.

As a sheet base material, a colored film of a polypropylene resin-based thermoplastic elastomer, PB013, thickness 60 μm) was prepared, and both surfaces were subjected to corona discharge treatment. The polypropylene resin used here is a hard segment made of crystalline polypropylene resin, a soft segment made of hydrogenated butadiene / styrene rubber,
Calcium carbonate powder as a filler and titanium dioxide, ferric oxide, and graphite as coloring agents are added, melt-kneaded, extruded from a slit to form a sheet, and subjected to corona discharge treatment on both front and back surfaces.

Next, on one surface of the sheet base material, a two-pack curable urethane resin comprising acrylic polyol and 1,6-hexamethylene diisocyanate was used as a binder, and a red ink was used. ,
A wood grain pattern layer was formed by gravure printing to obtain a printed sheet. The obtained printed sheet was divided into three parts, and the two-part curable polyurethane-based resin adhesives (1), (2) and (3) previously synthesized were respectively applied to the respective printing surfaces.
10 g / m ^{2 was} applied and dried with a drying hood provided in the coating machine.

Next, 0.8 parts by weight of a benzotriazole-based ultraviolet absorber and bis- (2,2,2) were added to a polypropylene-based resin comprising an ethylene-propylene copolymer.
6,6-Tetramethyl-4-piperidinyl) sebacate to which 0.4% by weight was added was melt-kneaded, extruded, and applied onto the uncured adhesive-coated surface of the previously obtained printing sheet. Lamination was performed by applying pressure between the nip rollers, and a laminated body composed of layers of sheet base / pattern layer / adhesive / transparent sheet base in order from the bottom.

The obtained laminate was heated by a preheater while the adhesive layer was in an uncured state. Immediately, a metal embossing roll was used to emboss the unevenness of the wood channel groove. After embossing, 8 parts by weight of 1,6-hexamethylene diisocyanate is added to 100 parts by weight of acrylic polyol using a gravure roll coater on the entire surface on the front side, and a two-part curable acrylic urethane resin is used. On top of the upper transparent polypropylene resin layer, a topcoat layer was formed to a thickness of 3 μm to obtain a decorative sheet. The decorative sheet obtained above was stuck on a wooden flat plate via an adhesive to obtain a building member. As the building members, a baseboard as shown in FIG. 2A, a door as shown in FIG. 7A and a flooring as shown in FIG. 19A were used. The peel strength of the laminated portion between the two sheet substrates of the obtained decorative sheet was determined after 72 hours from the lamination in any of the adhesives (1), (2) and (3). 6Kg /
The width was 2.5 cm, and no bubbles were generated during the lamination of any of the samples. This is presumably because the adhesives (1), (2) and (3) have low initial viscosity, but have low viscosity during use. Moreover, the obtained building member (decorative sheet) did not have any problem in the results of the weather resistance test and the heat resistance test.

(Comparative Example) Commercially available two-component curable polyurethane resin-based adhesive for retort food packaging materials (two-component system composed of 100 parts by weight of polyester polyol and 6 parts by weight of 2,4-tolylene diisocyanate) as an adhesive After obtaining a laminate in the same manner as in the other examples,
Also heated by a preheater, and immediately embossed using an embossing roll, the air embraced during lamination, unreacted low molecular weight components, and residual solvent A number of bubbles were generated. As a result, the obtained decorative sheet of the comparative example could not be attached to a wooden flat plate via an adhesive to form a building member. This is probably because the adhesive in the uncured state has a low initial adhesive force and has a high viscosity at the time of use, so that it easily embraces air. The peel strength itself of the laminated part of the obtained decorative sheet was 2.6 kg / 2.5 cm width after 72 hours from the lamination, which was the same as in the example. Also, once the laminate was obtained, a curing period of 72 hours was taken, and then heated by a preheater.
When embossing was performed using an embossing roll, no bubbles were generated.

[0114]

According to the first aspect of the present invention, in a building member configured by attaching a decorative sheet to a building member base material, a decorative sheet in which a multi-layer sheet is laminated with an adhesive,
By being laminated with a specific two-part curable adhesive,
It is possible to provide a building member to which a decorative sheet having a sufficient adhesive force is applied so that an uncured adhesive layer does not foam even by heating immediately after bonding.

According to the second aspect of the present invention, in addition to the effects of the first aspect, the hydroxyl equivalent of the polyol used for forming the isocyanate group-terminated urethane prepolymer which is an isocyanate component is specified. It is possible to provide a building member to which a decorative sheet having a sufficient adhesive strength is adhered even when used as an agent for bonding to a polyolefin which is flexible and hard to obtain an adhesive strength.

According to the invention of claim 3, in addition to the effect of the invention of claim 2, the equivalent ratio of each polyol constituting the isocyanate group-terminated urethane prepolymer is specified.
It is possible to provide a building member to which a decorative sheet having a cured film having flexibility and having a sufficient adhesive force even in bonding to a polyolefin is attached. In addition, the adhesive used has an appropriate viscosity that is easy to handle in a laminating step in manufacturing a decorative sheet.

According to the fourth aspect of the invention, in addition to the effects of the first to third aspects, the appearance is improved by laminating two or more sheets via the adhesive layer and the pattern layer. An architectural member having an excellent decorative sheet attached thereto can be provided.

According to the fifth aspect of the present invention, in addition to the effects of any one of the first to fourth aspects, it is possible to provide a building member to which a decorative sheet having a three-dimensional effect and a physical effect due to the unevenness on the outermost surface is attached. .

According to the sixth aspect of the invention, in addition to the effect of the fifth aspect, by filling the concave portion with the coloring material,
It is possible to provide a building member to which a decorative sheet with a three-dimensional effect is attached.

According to the seventh aspect of the present invention, there is provided a construction member configured by attaching a decorative sheet to a building member base material.
A decorative sheet in which multiple sheets are laminated with an adhesive is laminated with a specific two-component curable adhesive, so that the uncured adhesive layer does not foam even by heating immediately after bonding. It is possible to provide a construction member to which a decorative sheet having an excellent adhesive strength is attached.

According to the eighth aspect of the present invention, in a decorative door configured by attaching a decorative sheet to a building member base material, a decorative sheet in which multiple layers of sheets are laminated with an adhesive is cured by a specific two-liquid curing method. By being laminated with the mold adhesive, it is possible to provide a decorative door to which a decorative sheet having a sufficient adhesive force is applied so that the uncured adhesive layer does not foam even by heating immediately after bonding. .

According to the ninth aspect of the present invention, in the floorboard formed by attaching a decorative sheet to a building member base material, a decorative sheet in which a multi-layer sheet is laminated with an adhesive is a specific two-layer sheet.
By providing a laminate with a liquid-curable adhesive, it is possible to provide a floorboard to which a decorative sheet having a sufficient adhesive force is applied, so that an uncured adhesive layer does not foam even by heating immediately after bonding. it can.

According to the tenth aspect of the present invention, in the process of manufacturing a decorative sheet in a method of manufacturing a structural member in which a decorative sheet is adhered to a building member base material, heating immediately after bonding by so-called dry lamination is performed. By
The uncured adhesive layer has sufficient adhesive strength to prevent foaming, and a decorative sheet having irregularities on the outermost surface is manufactured using a specific adhesive, so that it is heated again immediately after lamination. When unevenness is imparted by the method, it can be produced without causing problems such as peeling due to insufficient adhesive strength and foaming of the adhesive layer.

According to the eleventh aspect of the present invention, in the process of manufacturing a decorative sheet in a method of manufacturing a structural member in which a decorative sheet is attached to a structural member base material, the decorative sheet immediately after lamination by so-called extrusion coating is performed. Immediately after laminating, by using a specific adhesive to produce a decorative sheet with sufficient adhesive strength so that the uncured adhesive layer does not foam even when heated, When the unevenness is imparted by heating again, the film can be manufactured without peeling due to insufficient adhesive force or without causing trouble such as foaming of the adhesive layer.

[Brief description of the drawings]

FIGS. 1A and 1B are cross-sectional views of a building member according to the present invention.

FIGS. 2A and 2B are partially cutaway perspective views showing an example of a skirting board, which is one of the feature members of the present invention.

FIGS. 3A and 3B are partially cutaway perspective views showing an example of a casing material which is one of the features of the present invention.

FIGS. 4A and 4B are partially cutaway perspective views showing an example of a door frame which is one of the features of the present invention;
FIG. 4C is a perspective view showing the entire configuration of the door frame.

FIGS. 5A and 5B are partially cutaway perspective views showing an example of a window frame which is one of the features of the present invention.

FIG. 6 is a front view showing the entire configuration of the window frame.

FIG. 7A is a partially cutaway perspective view showing an example of a flash door which is one of the decorative doors of the present invention.
(B) is a front view of the flash door.

FIG. 8 (a) is a partially cutaway perspective view showing an example of a frame door which is one of the decorative doors of the present invention, and FIG. 8 (b) is a front view of the frame door.

FIGS. 9A and 9B are perspective views showing an example of the floor panel of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 3 ... Sheet base material 3 '... Transparent sheet base material 4 ... Pattern layer 5 ... Adhesive layer 6 ... Unevenness 7 ... Coloring material 8 ... Transparent protective layer 9 ... Adhesive layer 10 ... Decorative sheet 20 ... Building member base material

Continued on the front page F-term (reference) 2E016 HA09 HA10 JA01 JA11 JC05 KA05 KA06 LA01 LA03 LB05 LC03 LD01 LD02 MA01 MA11 2E162 CD09 CD10 4F100 AA08H AA21H AA23H AH02H AH03H AK07 AK51 AK51G AK64 AT04 AL00 BA05 BA10A BA10C CA07 CA13 CA23 CB02 DD20C EC181 EC182 EH201 EJ401 EJ421 EJ55 GB08 HB00C HB01 HB21C JK06 4J040 EF051 EF101 EF321 GA05 GA20 JA13 LA06 MA08 MA10 MB03 MB04 MB05 MB12 NA12 NA13 PA30 PA33

Claims (11)

[Claims] An architectural member comprising a base material and a decorative sheet attached thereto, wherein the decorative sheet is a multi-layer laminated sheet in which two or more multi-layer sheets are laminated via an adhesive layer. An isocyanate component (1), which is formed by applying a makeup, wherein the adhesive constituting the adhesive layer is an isocyanate group-terminated urethane prepolymer or the isocyanate group-terminated urethane prepolymer and an aliphatic polyisocyanate; An architectural member characterized in that a two-component curable adhesive comprising a polyol and / or a polyol component (2) comprising a hydroxyl-terminated urethane prepolymer of the polyol and an aliphatic polyisocyanate is cured. 2. The adhesive constituting the adhesive layer, wherein, among the polyol constituting the isocyanate group-terminated urethane prepolymer of the isocyanate component (1) and the excess isocyanate, the polyol has at least a hydroxyl equivalent of 300 to 1500. Polyester polyol (11),
The building component according to claim 1, comprising three components: a polyether polyol (12) having a hydroxyl equivalent of 300 to 1500 and a 3 to 8 functional polyol (13) having a hydroxyl equivalent of less than 300. 3. The adhesive constituting the adhesive layer is composed of the polyols constituting the isocyanate group-terminated urethane prepolymer of the isocyanate component (1), (11) and (1).
2), (13), and a polydiene polyol (14) having a hydroxyl equivalent of 250 to 2000. The equivalent ratio of each polyol is (1) equivalent of (11), (12),
The building member according to claim 2, wherein the total equivalent weight of (13) and (14) is 1 or less. 4. The building member according to claim 1, wherein in the decorative sheet, the two or more sheets are laminated via the adhesive layer and the pattern layer. 5. The building member according to claim 1, wherein irregularities are formed on an outermost surface of the decorative sheet. 6. The architectural member according to claim 5, wherein a colorant is filled in the concave and convex portions formed on the outermost surface of the decorative sheet. 7. A construction member comprising a decorative sheet adhered to a base material, wherein the decorative sheet is a multi-layer laminated sheet in which two or more multi-layer sheets are laminated via an adhesive layer. An isocyanate component (1), which is formed by applying a makeup, wherein the adhesive constituting the adhesive layer is an isocyanate group-terminated urethane prepolymer or the isocyanate group-terminated urethane prepolymer and an aliphatic polyisocyanate; A production member characterized in that a two-part curable adhesive comprising a polyol and / or a polyol component (2) comprising a hydroxyl-terminated urethane prepolymer of the polyol and an aliphatic polyisocyanate is cured. 8. A decorative door comprising a decorative sheet attached to a base material, wherein the decorative sheet is a multi-layer laminated sheet in which two or more multi-layer sheets are laminated via an adhesive layer. An isocyanate component (1), which is formed by applying a makeup, wherein the adhesive constituting the adhesive layer is an isocyanate group-terminated urethane prepolymer or the isocyanate group-terminated urethane prepolymer and an aliphatic polyisocyanate; A decorative door, wherein a two-part curable adhesive comprising a polyol and / or a polyol component (2) comprising a hydroxyl-terminated urethane prepolymer of the polyol and an aliphatic polyisocyanate is cured. 9. A floorboard comprising a base material and a decorative sheet attached thereto, wherein the decorative sheet is a decorative sheet formed by laminating two or more multi-layer sheets via an adhesive layer. Wherein the adhesive constituting the adhesive layer is an isocyanate component (1) composed of an isocyanate group-terminated urethane prepolymer or the isocyanate group-terminated urethane prepolymer and an aliphatic polyisocyanate; And / or a two-component curable adhesive comprising a polyol component (2) comprising a hydroxyl-terminated urethane prepolymer of the polyol and an aliphatic polyisocyanate, and cured. 10. A method for manufacturing a building member comprising a decorative sheet adhered to a base material, wherein the step of manufacturing the decorative sheet comprises laminating two or more sheets via an adhesive layer to form a laminated sheet. Forming, and after forming the laminated sheet, immediately after the adhesive layer is in an incompletely cured state, the method includes a step of heating and softening the laminated sheet, and pressing with a concavo-convex mold, wherein the adhesive layer is formed. The adhesive to be formed is an isocyanate group-terminated urethane prepolymer or an isocyanate component (1) composed of the isocyanate group-terminated urethane prepolymer and an aliphatic polyisocyanate; The two-component curable adhesive comprising the polyol component (2) comprising a urethane terminal prepolymer has been cured. Method for producing building components, characterized in that it. 11. A method for manufacturing a building member comprising a decorative sheet adhered to a base material, wherein the step of manufacturing the decorative sheet comprises extruding a hot-melted resin into a sheet on the sheet via an adhesive. Laminating and forming a laminated sheet, and after forming the laminated sheet,
Immediately in the incompletely cured state of the adhesive layer, heating and softening the laminated sheet, and pressurizing in a concavo-convex pattern, the adhesive constituting the adhesive layer is an isocyanate group-terminated urethane prepolymer or An isocyanate component (1) composed of the isocyanate group-terminated urethane prepolymer and an aliphatic polyisocyanate, and a polyol component (2) composed of a polyol and / or a hydroxyl group-terminated urethane prepolymer of the polyol and the aliphatic polyisocyanate. A method for producing a building member, characterized in that a two-component curable adhesive comprising: