KR20090061070A - Moistureproof sheet and decorative sheet produced by applying the moistureproof sheet to woody base material - Google Patents

Abstract

This invention provides a moistureproof sheet which, even when applied to woody base materials causing a large difference in temperature and humidity between both sides thereof, for example, doors, sliding doors, and partioning, can prevent warpage of the woody base materials. The moistureproof sheet is further advantageous in that the sheet is less likely to be separated even after long-term use or upon exposure to external force. The moistureproof sheet comprises a synthetic resin base material layer, a vapor deposited layer stacked on the synthetic resin base material layer, and an adhesive primer layer stacked on the synthetic resin base material layer in its side remote from the vapor deposited layer.

Description

Moisture-proof sheet and a decorative plate obtained by adhering it to a wood-based substrate {MOISTUREPROOF SHEET AND DECORATIVE SHEET PRODUCED BY APPLYING THE MOISTUREPROOF SHEET TO WOODY BASE MATERIAL}

The present invention relates to a moisture proof sheet and a decorative plate obtained by adhering it to a wood-based substrate. Specifically, the moisture-proof sheet which prevents the warping of the wood-based base material caused by the moisture absorption or moisture-proof (moisture-absorbing) of the wood-based base material by the change of environmental temperature and humidity, and the shoe formed by adhering the moisture-proof sheet to the wood-based base material It's about burial.

DESCRIPTION OF RELATED ART Conventionally, the makeup board which adhered the makeup sheet to the surface of wooden base materials, such as a plywood, a medium density fiber board (MDF), a hard board, and a particle board, is used as surface materials, such as a door, a sliding door, and a partition. When the moisture content is smaller than the equilibrium moisture content of the wood-based base material under the external air condition, the wood-based base material absorbs and absorbs from the surface not sticking the cosmetic sheet of the decorative plate, and expands the surface. In addition, when the moisture content of the wood-based base material is greater than the equilibrium water content of the wood-based base material under outdoor conditions, moisture-proof and water-resistant are made to shrink. On the other hand, since the surface which adhered the makeup sheet has almost no moisture absorption and moisture absorption, the expansion rate and shrinkage rate of the surface which adhered the makeup sheet and the surface on which the wood-based substrate were exposed are different. As a result, warpage occurs in the decorative plate and the commodity value is lowered.

As a method of preventing warpage of the decorative plate, for example, 1) a method of sufficiently reinforcing the metal plate such that the decorative plate does not bend, and 2) to prevent moisture absorption and moisture absorption from the rear surface of the decorative plate to which the decorative sheet is adhered to the surface. 3) A method of coating and coating paint on the back surface; 3) A method of adhering a sheet of synthetic resin such as vinyl chloride, polyethylene, and polypropylene to the back of the decorative plate to which the makeup sheet is adhered to the surface; 4) With paper / polyethylene / paper. The method of sticking the moisture proof sheet (for example, refer patent document 1) which consists of is known.

However, in the method of reinforcing the decorative plate of 1), when reinforcement such as a flash door (hollow structure door) cannot be sufficiently performed, warping may not be sufficiently prevented. Moreover, the method of apply | coating and mounting the coating material of said 2) has the problem that since the suction of the coating material of a wood-based base material is strong, the smoothness of a coating film becomes uneven and it is difficult to form a uniform moisture proof and waterproof layer.

Therefore, it is applicable also to a flash door, and the method of sticking a synthetic resin sheet and a moisture proof sheet to a wood-based base material is widely used as an effective method for preventing warpage.

However, the conventional method of sticking a synthetic resin sheet or moisture proof sheet has the following problem. That is, when used for a long time in doors, sliding doors, partitions, etc., which have a large difference in temperature and humidity on both sides, a difference occurs in one surface side and the other surface side in the moisture distribution of the wood-based substrate, and as a result, both sides are stretched. However, the degree of shrinkage is different, warping may occur. In addition, as another problem, when the moisture-proof sheet is used, both sides are paper layers and have excellent processing ability to easily adhere to the wood-based substrate with an emulsion type adhesive, while the strength of the paper layer is weak, so that it is used for a long time. In the case of being used or when an external force is applied, there is a possibility of peeling off at the boundary of the paper layer.

Patent Document 1: Japanese Patent Application Laid-open No. Hei 9-29919

The present invention is a moisture-proof sheet that can prevent the warp of the wood-based substrate even when used to adhere to the wood-based substrate, such as doors, sliding doors, partitions, etc. with a large difference in temperature and humidity on both sides. It is an object of the present invention to provide a moisture proof sheet which is less likely to cause peeling when applied, and a decorative plate formed by adhering the moisture proof sheet to a wood-based substrate.

MEANS TO SOLVE THE PROBLEM As a result of earnestly researching in order to achieve the said objective, when this inventor used the specific moisture proof sheet, he discovered that the said objective can be achieved and came to complete this invention.

That is, this invention relates to the following moisture proof sheet and the decorative plate using the same.

1. Moisture-proof sheet | seat in which the vapor deposition layer was laminated | stacked on the synthetic resin base material layer, and the adhesive primer layer was laminated | stacked on the display surface (same as an exposure surface, hereafter same) of the said synthetic resin base material layer.

2. The moisture proof sheet according to item 1, wherein an adhesive primer layer is laminated on the surface of the vapor deposition layer.

3. A moisture-proof sheet | seat in which the vapor deposition layer was laminated | stacked on the synthetic resin base material layer, and the makeup sheet | seat was stuck to the surface of the said synthetic resin base material layer through an adhesive bond layer.

4. The moisture proof sheet according to item 3, wherein an adhesive primer layer is laminated on the surface of the vapor deposition layer.

5. The decorative plate to which the moisture proof sheet of said claim | item 1 or 2 adhered to one surface of the base material for cosmetic plates.

6. The decorative plate according to item 5, wherein the moistureproof sheet according to item 3 or 4 is adhered to the other surface of the base plate for decorative plate.

7. It is a moisture proof sheet | seat in which the vapor deposition layer, the adhesive bond layer, and the 1st synthetic resin layer were laminated | stacked in order to the synthetic resin base material layer, and the primer layer for adhesion | attachment on each surface of the said synthetic resin base material layer and said 1st synthetic resin layer Moisture-proof sheet each laminated | stacked.

8. The moisture proof sheet according to item 7, wherein a second synthetic resin layer is laminated between the synthetic resin substrate layer and the adhesive primer layer.

9. The moisture proof sheet according to item 7 or 8, wherein a printing layer and a surface protective layer are sequentially stacked on the surface of the adhesive primer layer laminated on the first synthetic resin layer.

10. The decorative plate to which the moisture proof sheet of said claim | item 7 or 8 adhered to one surface of the base material for cosmetic plates.

11. The decorative plate according to item 10, wherein the moistureproof sheet according to item 9 is adhered to the other side of the base plate for decorative plate.

12. The moisture proof sheet | seat in which the vapor deposition layer was laminated | stacked on the colored synthetic resin base material layer, and the adhesive primer layer was laminated | stacked on the surface of the said vapor deposition layer.

13. The moisture proof sheet according to item 12, wherein a printing layer is formed on the surface of the synthetic resin base material layer, and a surface protective layer made of curable resin is laminated on the entire surface of the printing layer.

14. The surface protection layer which forms a printing layer in the surface of the said synthetic resin base material layer, forms the synthetic resin transparent layer through the adhesive bond layer on the whole surface of the said printing layer, and consists of curable resin in the said transparent resin layer The moisture proof sheet of Claim 12 which laminated | stacked this.

15. The decorative plate to which the moisture proof sheet of said claim 13 or 14 adhered to one surface of the base material for cosmetic plates.

16. The decorative plate according to item 15, wherein the moistureproof sheet according to item 12 is adhered to the other side of the base plate for decorative plate.

The moisture proof sheet of the present invention has a moisture permeability (JIS Z 0208) of 2.0 g / m 2 · 24 hr or less, and is therefore compared with a moisture proof sheet composed of synthetic resin sheets such as vinyl chloride, polyethylene, and polypropylene, and paper / polyethylene / paper. Exceptionally excellent moisture proof performance.

Even if the decorative board (door, sliding door, partition, etc.) which adhered the said moisture proof sheet | seat is used in the place where the difference in environmental temperature and humidity of both sides differs, generation | occurrence | production of curvature is prevented. Moreover, peeling of a moisture proof sheet | seat is prevented in the said decorative plate even if it is used for a long time or when an external force is applied. In addition, in the case of the decorative plate to which the moisture proof sheet which has the colored base material layer made of synthetic resin was stuck, since the surface color and color nonuniformity of the base material for cosmetic plates can be concealed, the decorative plate by the surface color and color nonuniformity of the base material for cosmetic plates The deterioration of the design is prevented.

BRIEF DESCRIPTION OF THE DRAWINGS It is a layer block diagram which shows 1st Embodiment of the moisture proof sheet of this invention.

It is a layer block diagram which shows 2nd Embodiment of the moisture proof sheet of this invention.

It is a layer block diagram which shows 3rd Embodiment of the moisture proof sheet of this invention.

It is a layer block diagram which shows 4th Embodiment of the moisture proof sheet of this invention.

It is a layer block diagram which shows 5th Embodiment of the moisture proof sheet of this invention.

Fig. 6 is a layer structure diagram showing an example of a decorative plate using the moisture proof sheet of the present invention.

Fig. 7 is a layer structure diagram showing an example of a decorative plate using the moisture proof sheet of the present invention.

It is a layer block diagram which shows 6th Embodiment of the moisture proof sheet of this invention.

It is a layer block diagram which shows 7th Embodiment of the moisture proof sheet of this invention.

It is a layer block diagram which shows 8th Embodiment of the moisture proof sheet of this invention.

It is a layer block diagram which shows an example of the makeup board which used the moisture proof sheet of this invention.

It is a layer schematic diagram which shows an example of the makeup board which used the moisture proof sheet of this invention.

[Description of the code]

1 (a) -1 (e), 1, 2, 2 ': moisture proof sheet

2 (a), 2 (b), 3: decorative plate

10: synthetic resin base material layer (or synthetic resin colored base material layer)

11: deposition layer

12, 19: adhesive layer

13: 1st synthetic resin layer (or synthetic resin transparent layer)

14: 2nd synthetic resin layer

15, 16: adhesive primer layer

17: Design print layer (or print layer)

18: surface protective layer

20: base material for cosmetic plate

30: makeup sheet

The moisture proof sheet and the makeup plate of the present invention will be described in detail with reference to the drawings.

(Figure 1)

1 is a layer configuration diagram showing a first embodiment of a moisture proof sheet. The moisture proof sheet 1 (a) forms the vapor deposition layer 11 and the adhesion primer layer 16 on one surface of the synthetic resin base material layer 10, and the other of the synthetic resin base material layers 10 The adhesive primer layer 15 is formed in the surface of the side. In addition, the layer structure shown in FIG. 1 shows the most preferable form, and when the required level is low in adhesive strength, it is not necessary to necessarily form the adhesive primer layer 16 formed in the vapor deposition layer side. .

(Figure 2)

FIG. 2 is a layer configuration diagram showing a second embodiment of a moisture proof sheet. FIG. Moisture-proof sheet 1 (b) forms the vapor deposition layer 11 and the adhesion primer layer 16 in one surface of the synthetic resin base material layer 10, and the other side of the synthetic resin base material layer 10 The surface of the adhesive sheet 12 through the adhesive layer 12 will be adhered. In addition, similarly to the first embodiment, when the required level is low in adhesive strength, it is not necessary to necessarily form the adhesive primer layer 16 formed on the deposition layer side.

As said makeup sheet 30, the well-known thing of the specification which a base sheet consists of paper, or the specification which consists of a thermoplastic resin can be used. For example, Japanese Patent Application Laid-Open No. 63-52580, Japanese Patent Application Laid-open No. Hei 6-16832, Japanese Patent Application Laid-open No. Hei 11-207897, Japanese Patent Application Laid-Open No. 2001-9972, Japanese Patent Application The toilet paper and the makeup sheet disclosed in Japanese Patent Laid-Open No. 2003-276133 can be used.

(Figure 3)

3 is a layer configuration diagram showing a third embodiment of a moisture proof sheet. The moisture proof sheet 1 (c) is formed on one surface of the synthetic resin substrate layer 10 on the deposition layer 11, the adhesive layer 12, the first synthetic resin layer 13, and the adhesive primer layer 16. Is formed, and the primer layer 15 for adhesion | attachment is formed in the other surface of the said synthetic resin base material layer 10. FIG.

(Figure 4)

4 is a layer configuration diagram showing a fourth embodiment of a moisture proof sheet. The moisture proof sheet [1 (d)] forms a second synthetic resin layer 14 between the synthetic resin base material layer 10 and the adhesive primer layer 15 in the moisture proof sheet [1 (c)]. It is the same as that of the moisture proof sheet 1 (c) shown in FIG. 3 except this. In addition, although not shown in figure, the adhesive primer layer may be formed in the surface in which the said 2nd synthetic resin layer 14 of the said synthetic resin base material layer 10 is laminated | stacked as needed.

(Figure 5)

It is a layer block diagram which shows 5th Embodiment of a moisture proof sheet. Moisture-proof sheet 1 (e) is the whole surface where the pattern printing layer 17 and the said pattern printing layer 17 were formed in the surface of the said adhesive primer layer 16 in moisture proof sheet 1 (c). The surface protection layer 18 was formed in the surface, and it is the same as that of the moisture proof sheet 1 (c) shown in FIG. In addition, although not shown in the drawing, the printing layer 17 and the printing layer (such as the drawing printing layer 17) are shown on the surface of the adhesion primer layer 16 of the moisture-proof sheet 1 (d) shown in FIG. The surface protection layer 18 may be formed in the whole surface in which 17) was formed.

(Figure 6)

Fig. 6 is a layer structure diagram showing one embodiment of a makeup plate using a moisture proof sheet. The decorative plate 2 (a) is formed on one surface of the base plate 20 for the adhesive plate 19 so that the moisture-proof sheet 1 (b) shown in Fig. 2 is exposed to the cosmetic sheet 30. It adhere | attaches through, and the moisture proof sheet [1 (a)] shown in FIG. 1 mentioned above to the other surface is adhere | attached through the adhesive bond layer 19 so that the said adhesive primer layer 15 may be expressed.

(Figure 7)

Fig. 7 is a layer structure diagram showing one embodiment of a makeup plate using a moisture proof sheet. The decorative plate 2 (b) has an adhesive layer 19 such that the moisture proof sheet 1 (e) shown in Fig. 5 described above is exposed on one surface of the base plate 20 for the decorative plate. ), And the moisture-proof sheet 1 (c) shown in FIG. 3 on the other side is adhered through the adhesive layer 19 so that the adhesive primer layer 16 is exposed.

(Figure 8)

FIG. 8 is a layer structure diagram showing a sixth embodiment of a moisture proof sheet. FIG. The moisture proof sheet 1 is formed by forming a vapor deposition layer 11 and an adhesive primer layer 15 on one surface of a colored synthetic resin substrate layer (hereinafter referred to as a synthetic resin colored substrate layer) 10. will be. In addition, you may form the adhesion primer layer 16 (refer FIG. 11, FIG. 12) to the other surface of the said synthetic resin coloring base material layer 10 as needed.

In addition, when forming the primer layer 16 for adhesion | attachment on the other surface, it is formed when it uses for the original purpose as a moisture proof sheet 1, for example on the back surface of a base plate for cosmetics, and this moisture proof When adhering the decorative plate provided with the sheet 1 to a core material such as a door, sliding door, partition, or the like, the selection of the adhesive for adhering the core material and the decorative plate is expanded, which facilitates the adhesive operation. The effect can be made.

(Fig. 9)

9 is a layer configuration diagram showing a seventh embodiment of a moisture proof sheet. The makeup sheet 2 forms the printing layer 17 on the surface of the said synthetic resin coloring base material layer 10 of the said moisture proof sheet 1, and consists of curable resin on the whole surface of the said printing layer 17 surface. The surface protection layer 18 is formed.

(Fig. 10)

Fig. 10 is a layer configuration diagram schematically showing an eighth embodiment of a moisture proof sheet. The moisture proof sheet 2 'forms the printing layer 17 on the surface of the said synthetic resin coloring base material layer 10 of the said moisture proof sheet 1, and the adhesive layer (the whole surface of the printing layer 17 surface) The transparent layer 13 made of synthetic resin was formed through 12), and the surface protective layer 18 made of curable resin was formed on the entire surface of the transparent layer 13 made of synthetic resin.

(Figure 11)

Fig. 11 is a layer structure diagram showing one embodiment of a makeup plate using a moisture proof sheet. The decorative plate 3 adheres the moisture-proof sheet 2 shown in FIG. 9 to one surface of the base plate 20 for the decorative plate through the adhesive layer 19 so that the surface protective layer 18 is exposed, and the other side. The moisture-proof sheet 1 shown in FIG. 8 is adhere | attached on the surface of through the adhesive bond layer 19 so that the vapor deposition layer 11 may be located in the base plate 20 side for cosmetic plates.

(Figure 12)

Fig. 12 is a layer structure diagram showing one embodiment of a makeup plate using a moisture proof sheet. The decorative plate 3 adheres the moisture-proof sheet 2 'shown in FIG. 10 to one surface of the base plate 20 for the cosmetic plate through the adhesive layer 19 so that the surface protective layer 18 is exposed. The moisture-proof sheet 1 shown in FIG. 8 is adhered to the side of the sheet through the adhesive layer 19 so that the vapor deposition layer 11 is positioned on the base plate 20 side for the cosmetic plate.

11 and 12 show an embodiment in which the adhesive primer layer 16 is formed on the surface of the moisture proof sheet 1, this is as described above, for example, doors, sliding doors, partitions. It is formed in order to make adhesion work at the time of sticking to core materials, such as these, easy.

Moisture proof sheets [1 (a) to 1 (e)] and decorative plates [2 (a), 2 (b)]

Next, the material which comprises moisture proof sheets 1 (a) -1 (e) and a makeup board 2 (a), 2 (b) is demonstrated.

Examples of the synthetic resin base material layer 10 include olefinic thermoplastic resins such as polyethylene, polypropylene, ethylene-propylene copolymers, ethylene-vinyl alcohol copolymers, or mixtures thereof; Ester-based thermoplastic resins such as polyethylene terephthalate, polybutylene terephthalate, polyethylene naphthalate, polyethylene naphthalate-isophthalate copolymer, polycarbonate and polyallylate; And acrylic thermoplastic resins such as polymethyl methacrylate, polymethyl acrylate, and polybutyl acrylate, or non-halogen-based thermoplastic resins such as polyimide, polyurethane, polystyrene, and acrylonitrile-butadiene-styrene resin.

Although the said synthetic resin base material layer 10 may be a sheet | seat extended | stretched to the uniaxial biaxial direction, or unstretched, the vapor deposition layer mentioned later is a base material formed in at least one surface, mechanical strength is strong, and dimensional stability The sheet stretched in the biaxial direction is preferable for the reasons of this excellent etc. As thickness of the said synthetic resin base material layer 10, about 9-25 micrometers is suitable.

The vapor deposition layer 11 is a vapor deposition layer of an inorganic material consisting of a metal thin film represented by aluminum, or an inorganic oxide vapor deposition layer consisting of a thin film of an inorganic oxide represented by silicon oxide, magnesium oxide, and aluminum oxide. This vapor deposition layer 11 is well-known vapor deposition methods, such as a vacuum vapor deposition method and a plasma activation chemical reaction vapor deposition method, and a thin film is formed in at least one surface of the synthetic resin base material layer 10 mentioned above. In addition, as the vapor deposition layer 11, since the vapor deposition layer which consists of a metal thin film represented by aluminum has a metallic luster, about the moisture proof sheet [1 (e)] which needs to form the printing layer 17, There is a problem that the metallic luster should be concealed from the point of designability, and in the case of performing adhesion using high frequency at the time of flash door processing, and more preferably, the vapor deposition layer is a transparent inorganic oxide vapor deposition layer.

In addition, for the purpose of further improving the gas barrier property of the deposition layer 11, inorganic oxides represented by silicon oxide, magnesium oxide, and aluminum oxide are added to polyvinyl alcohol or polyvinyl alcohol on the deposition layer 11. You may apply | coat and form a polyvinyl alcohol layer or the said composition layer by well-known coating methods, such as a roll coat method and the gravure coat method.

As the first synthetic resin layer 13 and the second synthetic resin layer 14, those obtained by forming the resin or resin described in the synthetic resin substrate layer 10 can be used, and the thickness thereof is approximately 9 To 30 μm.

Next, the adhesive layer 12 and the adhesive primer layers 15 and 16 will be described. Examples of the resin used for the adhesive layer 12 and the adhesive primer layers 15 and 16 include ester resins, urethane resins, acrylic resins, polycarbonate resins, vinyl chloride-vinyl acetate copolymers, and polyvinyl butyral compounds. Resin, nitrocellulose resin, and the like. These resins may be used alone or as a mixture to form an adhesive composition, and may be formed using suitable coating means such as a roll coating method or a gravure printing method.

It is particularly preferable that the adhesive layer 12 and the adhesive primer layers 15 and 16 are made of a resin of (I) an acrylic resin and a urethane resin and a resin of (II) isocyanate. That is, the copolymer of the acrylic resin of (I) and a urethane resin is the acrylic polymer component (component A) which has a hydroxyl group at the terminal, the polyester polyol component (component B) which has a hydroxyl group at both terminals, and the diisocyanate component (component C). ), Which is reacted to form a prepolymer, which is obtained by further adding a chain extender (component D) such as diamine to the prepolymer and chain extending. By this reaction, polyester urethane is formed and an acrylic polymer component is introduce | transduced in a molecule | numerator, and the acryl- polyesterurethane copolymer which has a hydroxyl group at the terminal is formed. The hydroxyl group at the terminal of this acryl-polyester urethane copolymer is made to react by isocyanate of (II), and to harden | cure it.

As said component A, the linear acrylic acid ester polymer which has a hydroxyl group at the terminal is used. Specifically, linear polymethacrylate (PMMA) having a hydroxyl group at its end is preferable in that it is excellent in weather resistance (particularly in terms of photodegradation) and easily copolymerized with urethane for commercialization. The said component A becomes an acrylic resin component in a copolymer, and since molecular weight 5000-7000 (weight average molecular weight) is especially favorable in weather resistance and adhesiveness, it is preferable. In addition, although the said component A may use only what has a hydroxyl group at both ends, you may mix and use what has a hydroxyl group at the both ends which the conjugated double bond remains at one terminal.

The said component B reacts with diisocyanate and forms polyester urethane, and comprises a urethane resin component in a copolymer. As the component B, a polyesterdiol having hydroxyl groups at both terminals is used. Examples of the polyester diol include an addition reaction product of a diol compound having an aromatic to spiro ring skeleton and a lactone compound or a derivative thereof, or an epoxy compound, a condensation product of a dibasic acid and a diol, and a polyester compound derived from a cyclic ester compound. Etc. can be mentioned. Examples of the diol include short-chain diols such as ethylene glycol, propylene glycol, diethylene glycol, butanediol, hexanediol and methylpentenediol, and alicyclic short-chain diols such as 1,4-cyclohexanedimethanol. Moreover, adipic acid, phthalic acid, isophthalic acid, terephthalic acid etc. are mentioned as said basic acid. Preferred as polyester polyols are adipate-based polys having a mixture of adipic acid to adipic acid and terephthalic acid as the acid component, especially adipic acid, and 3-methylpentenediol and 1,4-cyclohexanedimethanol as the diol component. Ester.

In the adhesive layer 12 and the adhesive primer layers 15 and 16, the urethane resin component formed by reacting the component B and the component C is the adhesive layer 12 and the adhesive primer layer ( 15, 16) to give flexibility and contribute to the improvement of adhesion. Moreover, the acrylic resin component which consists of an acrylic polymer contributes to weather resistance and blocking resistance in the said adhesive bond layer 12 and the said adhesive primer layers 15 and 16. The urethane resin WHEREIN: The molecular weight of the said component B should just be a range which can obtain the urethane resin which can fully exhibit the flexibility to the said adhesive bond layer 12 and the said adhesive primer layers 15 and 16. In the case of a polyesterdiol consisting of adipic acid to adipic acid and terephthalic acid, and 3-methylpentanediol and 1,4-cyclohexadimethanol, 500 to 5000 (weight average molecular weight) is preferable.

As said component C, the aliphatic to alicyclic diisocyanate compound which has two isocyanate groups in 1 molecule is used. As this diisocyanate, for example, tetramethylene diisocyanate, 2,2,4 (2,4,4) -1,6-hexamethylene diisocyanate, isophorone diisocyanate, 4,4'- dicyclohexyl methane di Isocyanate, 1,4'- cyclohexyl diisocyanate, etc. are mentioned. As a diisocyanate component, isophorone diisocyanate is preferable at the point which is excellent in a physical property and a cost. The equivalent ratio of the hydroxyl group (which may be an amino group) and the isocyanate group of the sum total of the acrylic polymer, polyester polyol, and chain extender mentioned later when reacting said components A-C makes an isocyanate group excess.

When the above-mentioned three components A, B, and C are reacted at 60 to 120 ° C. for about 2 to 10 hours, the isocyanate group of the diisocyanate reacts with the hydroxyl group at the polyester polyol end to form a polyester urethane resin component and at the same time The compound which diisocyanate added to the hydroxyl group is also mixed, and the prepolymer of the state in which the excess isocyanate group and the hydroxyl group remain | survives is formed. As the chain extender, for example, diamines such as isophoronediamine and hexamethylenediamine are added to the prepolymer, and an isocyanate group is reacted with the chain extender, followed by chain extension, whereby an acrylic polymer component is introduced into the molecule of the polyester urethane. The acrylic-polyester urethane copolymer of (I) which has a hydroxyl group in can be obtained.

The isocyanate of (II) is added to the acrylic-polyester urethane copolymer of (I), and it consists of the coating liquid adjusted to the required viscosity in consideration of the application | coating method and the application | coating amount after drying, and the gravure coating method, the roll coating method, etc. It is good to form the said adhesive bond layer 12 and the said adhesive primer layers 15 and 16 by apply | coating by a well-known coating method. In addition, the isocyanate of (II) may be one capable of crosslinking and curing by reacting with a hydroxyl group of the acrylic polyester urethane copolymer of (I). For example, divalent or higher aliphatic to aromatic isocyanates can be used, and particularly, thermochromic. Aliphatic isocyanates are preferred from the viewpoint of prevention and weather resistance. Specifically, monomers of triylene diisocyanate, xylene diisocyanate, 4,4'-dicyclohexyl methane isocyanate, hexamethylene diisocyanate, lysine diisocyanate or multimers such as dimers and trimers thereof, or these isocyanates And polyisocyanates such as derivatives (adducts) added to polyols.

Moreover, as coating amount after drying of the said adhesive bond layer 12 and the said adhesive primer layers 15 and 16, it is 1-20 g / m <2>, Preferably it is 1-5 g / m <2>. In addition, the said adhesive bond layer 12 and the said adhesive primer layers 15 and 16 may be made into the layer which added additives, such as fillers, such as a silica powder, an optical stabilizer, and a coloring agent, as needed.

In addition, the pattern printing layer 17 may be formed using ink by a known printing method such as a gravure printing method, an offset printing method, or a silkscreen printing method. As the said design printing layer 17, it is a pattern, such as a wood grain, a stone grain, a cloth grain, a leather pattern, a geometry, a character, a symbol, a line drawing, various abstract shapes, etc., for example. Examples of the ink for forming the printing layer 17 include chlorinated polyolefins such as chlorinated polyethylene and chlorinated polypropylene, polyesters, polyurethanes made of isocyanates and polyols, polyacryl, polyvinyl acetate, polyvinyl chloride, and vinyl chloride. -1 to 2 or more types, such as a vinyl acetate copolymer, a cellulose resin, and a polyamide resin, are mixed and used, and what added and pigmented a pigment, a solvent, various auxiliary agents, etc. can be used.

The surface protective layer 18 is formed to impart surface properties such as friction damage resistance, abrasion resistance, fouling resistance, water resistance, weather resistance, and the like, and is known as a resin for forming the surface protective layer 18. It is suitable to form using curable resins, such as thermosetting resin or ionizing radiation curable resin.

In addition, as the makeup sheet 30 sticking to the moisture proof sheet 1 (b) shown in FIG. 2, the well-known makeup | column which consists of a paper base material or a synthetic resin base material on which the pattern printing which consists of wood grain at least was performed, for example. Sheets can be applied.

Next, the adhesive layer 19 will be described. The said adhesive bond layer 19 is a layer used in order to adhere | attach moisture proof sheets 1 (a) -1 (e) and the base material 20 for makeup plates. The adhesive for forming the adhesive layer 19 may be, for example, any type of thermoplastic resin, thermosetting resin, rubber (elastomer) or the like. These can use a well-known thing-a commercial item suitably selected.

As the thermoplastic resin adhesive, for example, polyvinyl acetate resin, polyvinyl alcohol, polyvinyl acetal (polyvinyl foam, polyvinyl butyral, etc.), cyanoacrylate, polyvinyl alkyl ether, polyvinyl chloride, polyamide, polymetha Methyl acrylate, nitrocellulose, cellulose acetate, thermoplastic epoxy, polystyrene, ethylene-vinyl acetate copolymer, ethylene-ethyl acrylate copolymer, etc. are mentioned.

In addition, as the thermosetting resin adhesive, urea resin, melamine resin, phenol resin, resorcinol resin, furan resin, epoxy resin, unsaturated polyester resin, polyurethane resin, polyimide resin, polyamideimide, polybenzimidazole, poly Benzothiazole and the like. Examples of the rubber adhesives include natural rubber, recycled rubber, styrene-butadiene rubber, acrylonitrile-butadiene rubber, chloroprene rubber, butyl rubber, polysulfide rubber, silicone rubber, polyurethane rubber, stereo rubber (synthetic natural rubber), and ethylene-propylene. Rubber, block copolymer rubber (SBS, SIS, SEBS, etc.); Especially the said adhesive bond layer 19 which adheres the moisture proof sheet [1 (b)] in which a cosmetic sheet is provided, or the moisture proof sheet [1 (e)] in which the printing layer 17 is formed, and the base material 20 for cosmetic plates. In order to conceal the surface color of the base plate 20 for makeup plates, and to improve designability, you may color with a pigment etc.

Examples of the base plate 20 for the makeup plate include wood-based base materials such as plywood, particle boards, medium density fiber boards (MDF), and high density fiber boards (HDF) and flash base materials.

Moisture Proof Sheet (1, 2, 2 ') and Makeup Plate (3)

The various materials which comprise the moisture proof sheet 1, 2, 2 'and the decorative plate 3 are demonstrated.

Examples of the colored base material layer 10 made of synthetic resin include olefin thermoplastic resins such as polyethylene, polypropylene, ethylene-propylene copolymer, ethylene-vinyl alcohol copolymer, or a mixture thereof; Ester-based thermoplastic resins such as polyethylene terephthalate, polybutylene terephthalate, polyethylene naphthalate, polyethylene naphthalate-isophthalate copolymer, polycarbonate and polyallylate; Acrylic thermoplastic resins, such as polymethyl methacrylate, polymethyl acrylate, and polybutyl acrylate, or non-halogen-type thermoplastic resins, such as a polyimide, a polyurethane, a polystyrene, an acrylonitrile- butadiene styrene resin, etc. are mentioned.

The colored base material layer 10 made of synthetic resin may be an unstretched sheet or a sheet drawn in the uniaxial to biaxial directions. As a coloring agent, the well-known pigment which is excellent in weather resistance can be used suitably, The mixing method of the said resin and a pigment may be dry blend or any of a masterbatch, but in the sense of obtaining the uniform colored base material layer without nonuniformity. Master batch is preferred. The colored base material layer 10 made of synthetic resin may be any of colored transparent, translucent or opaque (concealable).

As said vapor deposition layer 11, it is an inorganic oxide vapor deposition layer which consists of an inorganic vapor deposition layer which consists of a metal thin film which aluminum represents, or an inorganic oxide thin film typical of silicon oxide, magnesium oxide, and aluminum oxide.

The vapor deposition layer 11 is well-known vapor deposition methods, such as a vacuum vapor deposition method and a plasma activation chemical reaction vapor deposition method, and a thin film is formed in at least one surface of the colored base material layer 10 made of synthetic resin mentioned above. In addition, as the vapor deposition layer 11, since the vapor deposition layer which consists of a metal thin film represented by aluminum has a metallic luster, about moisture proof sheets 2 and 2 'which need to form the printing layer 17, There is a problem that the glossiness must be concealed from the point of the castle, and in the case of performing adhesion using high frequency at the time of flash door processing, more preferably, the vapor deposition layer is a transparent inorganic oxide vapor deposition layer. In addition, for the purpose of further improving the gas barrier property of the deposition layer 11, inorganic oxides represented by silicon oxide, magnesium oxide, and aluminum oxide are added to polyvinyl alcohol or polyvinyl alcohol on the deposition layer 11. You may apply | coat and form a polyvinyl alcohol layer or the said composition layer by well-known coating methods, such as a roll coat method and the gravure coat method.

In addition, as the said synthetic resin transparent layer 13, the thing from which resin-resin demonstrated by the said coloring resin layer 10 made of synthetic resin-the sheet | seat was used can be used, and it is unstretched similarly to the said coloring resin layer 10 made of synthetic resin. The state or the state extended | stretched to the uniaxial to biaxial direction may be sufficient, and the state laminated | stacked two or more layers may be sufficient. In addition, the said transparent resin layer 13 made from synthetic resins may be translucent, and may be colored transparent or translucent.

As thickness of the said synthetic resin coloring base material layer 10 and the said synthetic resin transparent layer 13, about 12-300 micrometers is suitable. In addition, these layers 10 and 13 may perform well-known easy adhesion | attachment processes, such as a corona discharge process, a plasma process, and an ozone process, as needed. In addition, these layers 2 and 2 'may add what was well-known additives, such as antioxidant, a light stabilizer, and an ultraviolet-ray inhibitor, suitably.

As the printing layer 17, ink can be formed by a known printing method such as a gravure printing method, an offset printing method or a silk screen printing method. As the printing layer 17, for example, wood grain, stone grain, grain of cloth, leather pattern, geometric pattern, letters, symbols, line drawing, printed patterns such as various abstract patterns, and concealment properties. Although it consists of a flat plate printing layer which has, it may be either structure.

Examples of the ink for forming the print layer 17 include chlorinated polyolefins such as chlorinated polyethylene and chlorinated polypropene, polyesters, polyurethanes composed of polyester, isocyanate and polyol, polyacryl, polyvinyl acetate, polyvinyl chloride, and vinyl chloride. A vinyl acetate copolymer, a cellulose resin, a polyamide resin, or the like may be used by mixing one or two or more kinds thereof, and an ink obtained by adding a pigment, a solvent, various auxiliary agents and the like to this may be used. In consideration of environmental problems, non-chlorine-based vehicles mixed with one or two or more kinds of polyurethanes, polyacryl, polyvinyl acetate, cellulose resins, polyamide resins, and the like consisting of polyester, isocyanate and polyol are suitable. More preferably, it mixes 1 type (s) or 2 or more types, such as polyurethane, polyacryl, and polyamide resin which consist of polyester, isocyanate, and polyol. A pigment, a solvent, various auxiliaries, etc. can be added to this and inkized can be used.

About the said adhesive bond layer 12 and the said adhesive primer layers 15 and 16, description in a moisture proof sheet [1 (a)-1 (e)] and a makeup plate [2 (a), 2 (b)] Is the same as

Next, the surface protective layer 18 will be described. The surface protective layer 18 is formed to impart surface properties such as friction damage resistance, abrasion resistance, stain resistance, water resistance, weather resistance, and the like required for the moisture resistant sheets 2 and 2 '. The resin for forming the surface protective layer 18 is preferably formed using a curable resin such as a thermosetting resin or an ionizing radiation curable resin, but more preferably an ionizing radiation curable type due to hard surface hardness and excellent productivity. Resin.

Thermosetting resins include unsaturated polyester resins, polyurethane resins (including two-component curable polyurethanes), epoxy resins, aminoalkyd resins, phenol resins, urea resins, diallyl phthalate resins, melamine resins, guanamine resins, and melamines. Urea co-condensation resin, a silicon resin, polysiloxane resin, etc. are mentioned. If necessary, curing agents such as crosslinking agents, polymerization initiators, or polymerization accelerators are added to the resin and used. For example, as a curing agent, isocyanate or organic sulfonate is added to unsaturated polyester resin or polyurethane resin, etc., organic amine is added to epoxy resin, and peroxides such as methyl ethyl ketone peroxide, azo isobutyl nitrile, and the like. The radical initiator is added to the unsaturated polyester resin.

As a method of forming a surface protection layer with the said thermosetting resin, the above-mentioned thermosetting resin is liquefied, for example, is apply | coated to a predetermined surface by well-known coating methods, such as a roll coat method and a gravure coat method, and is dried. It can form by hardening simultaneously. As application amount of the surface protection layer 18, about 5-200 g / m <2> is suitable as solid content, Preferably it is 5-30 g / m <2>.

The ionizing radiation curable resin includes a monomer, a prepolymer or a polymer having a radical polymerizable unsaturated group such as a (meth) acryloyl group and a (meth) acryloyloxy group or a cationically polymerizable functional group such as an epoxy group in a molecule. These monomers, prepolymers, or polymers may be used singly or in mixture of two or more kinds. In addition, in this specification, (meth) acrylate is used by the meaning of acrylate-methacrylate. In addition, ionizing radiation means having both energy which can superpose | polymerize or bridge | crosslink a molecule | numerator among electromagnetic waves or a charged particle beam. Usually, they are ultraviolet rays or an electron beam.

Examples of the prepolymer having a radical polymerizable unsaturated group include polyester (meth) acrylate, urethane (meth) acrylate, epoxy (meth) acrylate, melamine (meth) acrylate, triazine (meth) acrylate, and polyvinylpyrroli Money, etc. As for this prepolymer, the thing of molecular weight about 10000 or less is used normally.

When the molecular weight exceeds 10000, surface properties such as friction damage resistance, abrasion resistance, chemical resistance and heat resistance of the cured resin layer are insufficient. Although acrylate and methacrylate mentioned above can be used in common, acrylate is faster in terms of crosslinking curing rate in ionizing radiation, and thus acrylate is advantageous in terms of high speed and efficient curing in a short time.

Prepolymers having a cationically polymerizable functional group include epoxy resins such as bisphenol epoxy resins, novolac epoxy resins and alicyclic epoxy resins, vinyls such as aliphatic vinyl ethers, aromatic vinyl ethers, urethane vinyl ethers and ester vinyl ethers. Prepolymers, such as an ether resin, a cyclic ether compound, and a spiro compound, are mentioned.

As an example of the monomer which has a radically polymerizable unsaturated group, as a monofunctional monomer of a (meth) acrylate compound, methyl (meth) acrylate, ethyl (meth) acrylate, butyl (meth) acrylate, and methoxybutyl (meth) acryl Rate, methoxybutyl (meth) acrylate, butoxyethyl (meth) acrylate, 2ethylhexyl (meth) acrylate, N, N-dimethylaminomethyl (meth) acrylate, N, N-dimethylaminoethyl ( Meth) acrylate, N, N-diethylaminoethyl (meth) acrylate, N, N-diethylaminopropyl (meth) acrylate, N, N-dibenzylaminoethyl (meth) acrylate, lauryl ( Meth) acrylate, isobonyl (meth) acrylate, ethyl carbitol (meth) acrylate, phenoxyethyl (meth) acrylate, phenoxy polyethylene glycol (meth) acrylate, tetrahydropulpril (meth) acrylate , Methoxy propylene glycol (Meth) acrylate, and the like can be mentioned 2- (meth) acryloyloxyethyl-2-hydroxypropyl phthalate, 2- (meth) acryloyloxyethyl hydrogen propyl terephthalate.

Moreover, as a polyfunctional monomer which has a radical polymerizable unsaturated group, ethylene glycol di (meth) acrylate, diethylene glycol di (meth) acrylate, triethylene glycol di (meth) acrylate, propylene glycol di (meth) acrylate, Dipropylene glycol (meth) acrylate, neopentyl glycol di (meth) acrylate, 1,6-hexanediol di (meth) acrylate, 1,9-nonanediol di (meth) acrylate, tetraethylene glycol di ( Meta) acrylate, tripropylene glycol di (meth) acrylate, bisphenol-A-di (meth) acrylate, trimetholpropane tri (meth) acrylate, trimetholpropane ethylene oxide tri (meth) acrylate, Pentaerythritol tri (meth) acrylate, pentaerythritol tetra (meth) acrylate, dipentaerythritol penta (meth) acrylate, dipentaerythritol hexa (meth) arc Rate, and the like glycerol polyethylene oxide tri (meth) acrylate, tris (meth) acryloyloxyethyl phosphate.

As a monomer which has a cationically polymerizable functional group, the monomer of the prepolymer which has the said cationically polymerizable functional group can be used.

When hardening said ionizing radiation curable resin by irradiating an ultraviolet-ray, a photoinitiator is added as a sensitizer. In the case of the resin system which has a radical polymerizable unsaturated group, the photoinitiator is acetophenone, benzophenone, thioxanthone, benzoin, benzoin methyl ether, mihirabenzoyl benzoate, mihiraketone, diphenyl sulfide, di Benzyl disulfide, diethyl oxite, triphenylbiimidazole, isopropyl-N, N-dimethylaminobenzoate, etc. can be used individually or in mixture. In the case of the resin system having a cationically polymerizable functional group, an aromatic diazonium salt, an aromatic sulfonium salt, a metallocene compound, a benzoin sulfonic acid ester, a furyloxyquisonium diallyl iodide salt, and the like can be used alone or as a mixture. In addition, the addition amount of these photoinitiators is about 0.1-10 weight part with respect to the weight part of ionizing radiation hardening type resin. As the formation method of the said surface protection layer 18, it can form by ionizing an ionizing radiation hardening type resin, and apply | coating to a predetermined surface by well-known coating methods, such as the gravure coating method and the roll coating method. As application amount, about 5-200 g / m <2> is suitable as solid content, Preferably it is 5-30 g / m <2>.

According to the required physical properties, the surface protective layer 18 includes, for example, known organic ultraviolet absorbers such as benzotriazole, benzophenone, and triazine, and titanium dioxide and cerium oxide having an average particle diameter of about 5 to 120 nm. Inorganic ultraviolet absorbers such as zinc oxide, known light stabilizers such as hindered amines, or known additives such as antistatic agents and leveling agents can be added.

The adhesive layer 19 is a layer used for adhering the moisture proof sheet 1, the moisture proof sheets 2, 2 ′ and the base plate 20 for a decorative plate, and examples of the adhesive for forming the adhesive layer 19 are examples. For example, any type of adhesive such as thermoplastic resin, thermosetting resin or rubber (elastomer) may be used. These can select and use a commercial item suitably.

As the thermoplastic resin adhesive, for example, polyvinyl acetate resin, polyvinyl alcohol, polyvinyl acetal (polyvinyl formal, polyvinyl butyral, etc.), cyanoacrylate, polyvinyl alkyl ether, polyvinyl chloride, polyamide, poly Methyl methacrylate, nitrocellulose, cellulose acetate, thermoplastic epoxy, polystyrene, ethylene-vinyl acetate copolymer, ethylene-ethyl acrylate copolymer, and the like.

Thermosetting resin adhesives include urea resins, melamine resins, phenol resins, resorcinol resins, furan resins, epoxy resins, unsaturated polyester resins, polyurethane resins, polyimide resins, polyamideimides, polybenzimidazoles, and polybenzothianes. Sol and the like. As the rubber adhesive, natural rubber, recycled rubber, styrene-butadiene rubber, acrylonitrile-butadiene rubber, chloroprene rubber, butyl rubber, polysulfide rubber, silicone rubber, polyurethane rubber, stereo rubber (synthetic natural rubber), ethylene propylene rubber And block copolymer rubbers (SBS, SIS, SEBS, etc.). In particular, the adhesive layer 19 adhering the moisture proof sheets 2, 2 'and the base plate 20 for the makeup plate hides the surface color of the base plate 20 for the cosmetic plate and improves the design. You may color.

As the base plate 20 for the makeup plate, a base material having a flash structure using wood-based base materials such as plywood, particle board, medium density fiber board (MDF), and high density fiber board (HDF) may be mentioned.

Hereinafter, an Example and a comparative example are shown and this invention is demonstrated in detail.

First embodiment

3 g / of a two-liquid curable urethane-based adhesive as a solid component on the thickened layer surface of a 12 탆 thick biaxially stretched polyethylene terephthalate film (hereinafter referred to as a 12 탆 thick deposited PET film) having a silica deposition layer formed on one surface thereof. 2 m 2 was applied and dried, and polyethylene (hereinafter referred to as PE) was melt-extruded to a thickness of 15 μm using a T-die extruder on the coated surface to prepare a laminate (PET 12 μm / deposition layer / PE 15 μm). After the corona discharge treatment was performed on both surfaces of the laminate, a two-liquid curable resin obtained by adding isocyanate as a curing agent to the urethane resin / acetylcellulose-based resin as a main ingredient was coated with a gravure printing method as a solid content of 5 g / m 2, respectively. The moisture proof sheet which formed the adhesive primer layer on both surfaces was produced. The moisture-proof sheet was coated and dried with a vinyl acetate-based adhesive in a wet state of 3 mm thick 8 g / chuck ² (87.1 g / m ² ) in a wet state, and then roll laminated so that the PET film side of the moisture-proof sheet was placed on the coated surface. A decorative plate adhered with a machine was produced.

Second embodiment

3 g / m 2 of a two-liquid curable urethane-based adhesive as a solid is applied to the thickened layer surface of the deposited PET film having a thickness of 12 μm and dried, and the melt is extruded to a thickness of 15 μm using a T-die extruder to a laminated body (PET). 12 μm / deposition layer / PE 15 μm) was produced. After the corona discharge treatment was performed on both surfaces of the laminate, a two-liquid curable resin obtained by adding isocyanate as a curing agent to the urethane resin / acetylcellulose-based resin as the main ingredient was coated with a gravure printing method as a solid content of 5 g / m 2, respectively. Gravure printing using a two-component curable printing ink consisting of a vehicle in which an isocyanate was added as a curing agent to an acetylcellulose-based resin as a main ingredient on the adhesive primer layer surface formed on both sides of the adhesive primer layer formed on both surfaces. A two-component curable resin in which a printing plate is formed by a printing method using a printing method, and then a printing layer is formed using a printing ink having an acetyl cellulose resin as a vehicle, and then an isocyanate is added to the acrylic polyol resin as a main agent as a curing agent. The gravure printing layer and the gravure printing layer and As a solid content not on one side entire surface to form a printed layer to prepare a moisture-proof sheet to form a surface protective layer by printing such that 16 g / ㎡. After applying and drying 8 g / chuck ² (87.1 g / m ² ) of the vinyl acetate-based adhesive in a wet state on the MDF having a thickness of 3 mm, roll laminate is placed on the coated surface so that the PET film side of the moisture resistant sheet is positioned. A decorative plate adhered with a machine was produced.

Third embodiment

After the polyvinyl alcohol solution was applied to the deposited surface of the deposited PET film having a thickness of 12 μm by gravure printing to dry to 0.2 g / m 2, the corona discharge treatment was applied to the PET surface, and the corona discharge treated surface and polyvinyl Moisture-proof sheet in which 2-component curable resin which added isocyanate as a hardening agent to urethane resin / acetyl cellulose type resin as the main subject on each surface of an alcohol coating surface was formed by the gravure printing method, and applied as a solid content 2 g / m <2>. Made. After applying and drying 8 g / chuck ² (87.1 g / m ² ) of a vinyl acetate-based adhesive on a 3 mm thick MDF in a wet state, the moisture-proof sheet was roll-laminated so that the deposition surface side of the moisture-proof sheet was placed on the coated surface. The adhesive board was produced.

Comparative Example 1

A 23 g / m2 paper reinforced area on which one side was subjected to corona discharge treatment was disposed so that the corona discharge treated surface faced and heated and melt-extruded to a thickness of 40 µm using a T-die extruder, so-called sandwich lamination method. Moisture-proof sheet (interface reinforcement paper 23g / m <2> / PE40micrometer / intermediate reinforcement paper 23g / m <2>) laminated | stacked by the above was produced. After apply | coating and drying 8 g / chuck ² (87.1 g / m <^2> ) of the said moisture-permeable sheet in 3 mm-thick MDF in the wet state, the decorative board which adhered to the said coating surface by the roll lamination machine was produced.

2nd comparative example

23 g / m2 of intergrated reinforcement paper and 30 g / m2 of intergrated reinforcement paper subjected to corona discharge treatment on one side thereof were disposed so that the corona discharge treatment surface faced and heated and melt-extruded to PE with a thickness of 40 μm using a T die extruder. And a laminated body (23 g / m 2 / PE 40 µm / thickness reinforced paper 30 g / m 2) laminated by the sandwich lamination method were produced. Next, the gravure printing method using the two-component curable printing ink which consists of a vehicle which added isocyanate as a hardening | curing agent to the acetyl cellulose type-resin as a main material on the surface of 30 g / m <2> of paper space reinforcement paper of the said laminated body. To form a printing plate, and then a printing layer using a printing ink containing an acetylcellulose resin as a vehicle. Then, a two-component curable resin obtained by adding isocyanate as a curing agent to an acrylic polyol resin as a main agent was prepared. The moisture proof sheet which formed the surface protection layer by printing so that it might become 16 g / m <2> as solid content on the whole surface where the said plate printing layer and the pattern printing layer were formed by the gravure printing method was produced. The moisture-proof sheet was coated and dried with 8 g / chuck ² (87.1 g / m ² ) in a wet state with a vinyl acetate-based adhesive in a 3 mm thick MDF, and then coated on the coated surface of 23 g / m 2 of the intergranular reinforcement paper. The decorative board which adhered by the roll lamination machine was produced so that an exposed surface might be located.

Fourth embodiment

Gravure to dry the polyvinyl alcohol solution to 0.2 g / m2 after drying the 50 µm thick colored biaxially stretched polyethylene terephthalate film (hereinafter referred to as a colored PET film) having an alumina deposition layer formed on one side thereof. After coating by printing method, printing a flat plate by gravure printing method using a two-component curable printing ink composed mainly of an acetyl cellulose resin on a colored PET film surface subjected to corona discharge treatment and adding isocyanate as a curing agent. A layer was formed, and the pattern printing layer (wood grain) was formed using the printing ink which uses acetyl cellulose resin as a vehicle subsequently. Subsequently, the two-component curable resin in which isocyanate was added as a curing agent to acryl polyol-based resin as a main material was printed on the whole surface of the flat plate printing layer and the pattern printing layer to be 16 g / m 2 as a solid content by gravure printing. The coating amount as a solid content was formed by the gravure printing method of the 2-component curable resin which added the isocyanate as a hardening | curing agent to the urethane resin / acetylcellulose-type resin as a main material on the surface of the vapor deposition layer which formed the surface protection layer, and also coated polyvinyl alcohol. The moisture proof sheet | seat which provided the m2 adhesion primer layer was produced. After applying and drying 8 g / chuck ² (87.1 g / m ² ) of a vinyl acetate-based adhesive to a 3 mm thick MDF in a wet state, the moisture-permeable sheet was roll-laminated so that the deposition layer surface side of the moisture-proof sheet was located on the coated surface. I made the board which adhered with a flag,

Fifth Embodiment

The gravure printing method was performed so that the polyvinyl alcohol solution was dried to 0.2 g / m 2 on the surface of the deposition layer of a 60 μm thick colored polypropylene film (hereinafter referred to as a colored PP film) having an alumina deposition layer formed on one side thereof. After coating, using a two-component curable printing ink composed mainly of a polyurethane / acrylic polyol-based resin to a colored PP film surface subjected to corona discharge treatment and to which isocyanate was added as a curing agent, a gravure printing method was used. The printed layer was formed. Subsequently, a printing pattern (wood grain) was formed using a printing ink containing a polyurethane / acrylic polyol-based resin, and then a urethane resin / acetylcellulose-based resin as a main ingredient was formed on the surface of the vapor deposition layer coated with polyvinyl alcohol. The intermediate | middle sheet | seat in which the coating amount as solid content formed the adhesive layer of 2 g / m <2> with the 2-component curable resin which added isocyanate as a hardening | curing agent by the gravure printing method was produced. Moreover, the adhesive layer (2 g / m <2> as a solid content) which consists of a 2-liquid curable urethane type resin is formed in the whole printing layer surface of the said intermediate | middle sheet, The ethylene / propylene / butene copolymer is made into the adhesive layer surface as a main component, and benzo The polypropylene thermoplastic elastomer to which the triazole ultraviolet absorber and the hindered amine radical capture agent were added was melt-extruded by the T die extruder, and the 80-micrometer-thick transparent resin layer was formed. Subsequently, a two-component curable urethane-based resin containing an isocyanate / urethane block copolymer as a main ingredient on the transparent resin layer whole surface, and isocyanate was added as a curing agent was formed to form a transparent primer layer (1 g / m 2 as solid content). Further, a urethane acrylate-type ionizing radiation curable resin was applied to the entire surface of the transparent primer layer and irradiated with an electron beam [acceleration voltage: 175 KeV, irradiation amount: 5 Mrad] to provide a transparent surface protective layer (5 g / m 2 as solid content). At the same time, the moisture proof sheet which embossed from the said surface protection layer side, and formed concave shape was produced. After applying and drying 8 g / chuck ² (87.1 g / m ² ) of a vinyl acetate-based adhesive to a 3 mm thick MDF in a wet state, the moisture-permeable sheet was roll-laminated so that the deposition layer surface side of the moisture-proof sheet was located on the coated surface. A decorative plate adhered with a machine was produced.

Third Comparative Example

23 g / m2 of intergrated reinforcement paper and 30 g / m2 of intergrated reinforcement paper subjected to corona discharge treatment on one side thereof were disposed so that the corona discharge treatment surface faced and heated and melt-extruded to PE with a thickness of 40 μm using a T die extruder. And a laminated body (23 g / m 2 / PE 40 µm / thickness reinforced paper 30 g / m 2) laminated by the sandwich lamination method were produced. Subsequently, the plate printing is performed by a gravure printing method using a two-component curable printing ink comprising a vehicle in which an isocyanate is added as a curing agent to an acetyl cellulose-based resin as a main ingredient on the surface of the intergrated paper of 30 g / m 2 of the laminate. Formed a layer. Next, the pattern printing layer was formed using the printing ink which uses acetyl cellulose type resin as a vehicle. Subsequently, the two-component curable resin in which isocyanate was added as a curing agent to acryl polyol-based resin as a main material was printed to be 16 g / m &lt; 2 &gt; as a solid content on the entire surface where the plate printing layer and the printing layer were formed by gravure printing. The moisture proof sheet which provided the protective layer was produced. The moisture-proof sheet was coated and dried with 8 g / chuck ² (87.1 g / m ² ) in a wet state with a vinyl acetate-based adhesive in a 3 mm thick MDF, and then coated on the coated surface of 23 g / m 2 of the intergranular reinforcement paper. The decorative board which adhered by the roll lamination machine was produced so that an exposed surface might be located.

Fourth Comparative Example

A decorative plate was produced in the same manner as in Example 5 except that a simple 60 μm thick colored PP film without a vapor deposition layer was used instead of a 60 μm thick colored PP film having an alumina vapor deposition layer formed on one side thereof. Naturally, since there was no vapor deposition layer, application | coating of the polyvinyl alcohol solution was not performed, either.

About the makeup plates of the 1st-5th Example and the 1st-4th comparative example which were produced above, it evaluated by the evaluation method which carries out moisture permeability and planar tensile strength, and the result was shown in Table 1.

(Evaluation method of moisture permeability)

In accordance with JIS Z 0208, "Water vapor transmission test method (cup method) of moisture proof packaging material", the moisture vapor transmission rate of the Example and the comparative example is measured, and a moisture vapor transmission rate is computed.

(Evaluation Method of Plane Tensile Strength)

Planar tensile strength is calculated by measuring in accordance with the JAS plywood planar tensile test. In addition, the decorative plate provided for evaluation used the thing which cold-pressed the moisture proof sheet and MDF for 24 hours, cuts the square plate with the 5 cm side which used the decorative plate, and moisture-proof the square metal jig which has a 2 cm side at the bottom. After attaching to a sheet surface with a cyanoacrylate adhesive, curing for 24 hours at room temperature (about 23 degreeC), inserting the incision which reaches a MDF along a metal jig with a cutter knife, and perpendicular | vertical direction with respect to a test piece with a measuring test apparatus. Tensile strength was measured, the peeling interface at that time was observed and evaluated visually, and the tensile strength was measured.

(Reference)

As is apparent from Table 1, the moisture-permeable sheet of the present invention exhibits an improvement in moisture permeability performance by forming a silica deposition layer or an alumina deposition layer, and conventionally prevents warping of a decorative plate caused by changes in environmental temperature and humidity. It can be expected that the effect can be significantly reduced compared to the product. In addition, in a planar tensile strength, since a paper layer is not used for laminated constitution, it becomes the interlayer peeling (material breakdown = re-wave) of the base material for cosmetics boards, and peeling strength improves compared with an interlayer peeling.

Claims (16)

The moisture-proof sheet | seat in which the vapor deposition layer was laminated | stacked on the synthetic resin base material layer, and the adhesive primer layer was laminated | stacked on the surface of the said synthetic resin base material layer. The moisture-proof sheet of Claim 1 in which the adhesive primer layer was laminated | stacked on the surface of the said deposition layer. A moisture-proof sheet | seat in which the vapor deposition layer was laminated | stacked on the synthetic resin base material layer, and the makeup sheet | seat adhered to the surface of the said synthetic resin base material layer through the adhesive bond layer. The moisture proof sheet of Claim 3 by which the adhesive primer layer was laminated | stacked on the surface of the said deposition layer. The decorative board in which the moisture proof sheet of Claim 1 or 2 adhered to one surface of the base material for cosmetic plates. The decorative plate according to claim 5, wherein the moisture-proof sheet according to claim 3 or 4 is adhered to the other side of the base plate for the decorative plate. It is a moisture proof sheet | seat in which the vapor deposition layer, the adhesive bond layer, and the 1st synthetic resin layer were laminated | stacked on the synthetic resin base material layer one by one, and the primer layer for adhesion | attachment is each on the surface of the said synthetic resin base material layer and the said 1st synthetic resin layer, respectively. Laminated moisture proof sheet. The moisture proof sheet of Claim 7 in which the 2nd synthetic resin layer was laminated | stacked between the said synthetic resin base material layer and the said adhesive primer layer. The moisture-proof sheet of Claim 7 or 8 by which the pattern printing layer and the surface protection layer were laminated | stacked in order on the surface of the said adhesive primer layer laminated | stacked on the said 1st synthetic resin layer. The decorative board in which the moisture proof sheet of Claim 7 or 8 adhered to one surface of the base material for cosmetic plates. The decorative plate of Claim 10 to which the moisture proof sheet of Claim 9 adhered to the other surface of the said base plate for cosmetic plates. A moisture-proof sheet | seat in which the vapor deposition layer was laminated | stacked on the colored synthetic resin base material layer, and the adhesive primer layer was laminated | stacked on the surface of the said vapor deposition layer. The moisture proof sheet of Claim 12 in which the printing layer was formed in the surface of the said synthetic resin base material layer, and the surface protection layer which consists of curable resin was laminated | stacked on the whole surface of the said printing layer. The method according to claim 12, wherein a printing layer is formed on the surface of the synthetic resin base material layer, a transparent layer of synthetic resin is formed on the entire surface of the printing layer through an adhesive layer, and the curable resin is formed on the transparent layer of synthetic resin. The moisture proof sheet | seat in which the surface protection layer which consists of was laminated | stacked. The decorative board in which the moisture proof sheet of Claim 13 or 14 adhered to one surface of the base material for cosmetic plates. The decorative plate according to claim 15, wherein the moisture proof sheet according to claim 12 is adhered to the other side of the base plate for the decorative plate.

Images