JP2001234122A - Base coat composition for transfer sheet, transfer sheet using the same and its manufacturing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a base coat composition for a transfer sheet which does not complete curing in coating equipments in spite of the short period of time required for drying and has excellent blocking tendency and pot life, and to provide a method for manufacturing a transfer sheet and a decorative laminated sheet using the same. SOLUTION: The base coat resin composition for a transfer sheet comprises a moisture-curable resin component. For example, the moisture-curable resin component comprises an acrylic modified silicone resin. The transfer sheet has a transfer layer containing a radiation-curable resin composition on a base film and a base coat layer composed of the composition for a transfer sheet on the top of the transfer layer. The method for manufacturing the transfer sheet comprises (1) a step of forming the transfer layer composed of the radiation-curable resin composition on a base film and (2) a step of forming a base coat layer composed of the previous base coat composition for a transfer sheet on the transfer layer.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a base coat composition for a transfer sheet, a transfer sheet using the same, and a method for producing the same. More particularly, the present invention relates to a base coat composition for a transfer sheet having excellent blocking and folding properties. And a method for manufacturing the same.

[0002]

2. Description of the Related Art In recent years, as interior and exterior wall materials of buildings such as houses and buildings, many using decorative panels such as tiles and panels have been used.

[0003] As such a decorative plate, a decorative plate having a designable transfer sheet attached to a base material such as a slate plate has been put to practical use. This transfer sheet is provided with a transfer layer, a design layer and a base coat layer on a base film having releasability. The base film is adhered to the base material with an adhesive, and the base film is peeled off. To obtain a decorative board. By using a transfer sheet having such a design property, a clear and fine design pattern can be formed irrespective of the unevenness of the substrate surface.

[0004] The transfer sheet is selected from the viewpoints of workability and production efficiency.
Actually, the transfer sheet is often 300 to 1000 m in length, and the manufactured transfer sheet is wound into a roll around a core such as a paper tube from the viewpoint of ease of transportation and reduction of occupied space. In most cases, the product is stored and transported as a product in a state where the product is wound, and then, when the product is pasted on a decorative board, the product is taken out from the rolled product and used.

The base coat layer of the transfer sheet is formed by applying a thermosetting resin component to the transfer layer surface and / or design layer surface of the transfer sheet using a coating apparatus such as a roll coater and drying. Things. Therefore, in order to take up and store the transfer sheet, it is necessary to sufficiently dry the base coat layer in order to prevent permeation of the adhesive component from the transfer layer, that is, to secure a so-called blocking property.

[0006] Such base coat compositions include:
Although those composed of general thermosetting resins have been widely used, such base coat compositions have a long time required for drying, and there is a fear that production efficiency may be reduced. Also,
In order to shorten the drying time, those made of a thermosetting resin having high curability have been used.However, such a base coat composition may cause a reaction even at room temperature and may be cured in a coating apparatus. was there.

[0007]

SUMMARY OF THE INVENTION Accordingly, the present invention relates to a base coat composition for a transfer sheet which has a short drying time but is not cured in a coating apparatus, and has excellent blocking properties and pot life. It is an object of the present invention to provide a method for manufacturing a transfer sheet and a decorative board using the same.

[0008]

SUMMARY OF THE INVENTION The present invention is a base coat resin composition for a transfer sheet, characterized by containing a moisture-curable resin component. Further, it preferably contains a coloring component. Further, it is preferable that the moisture-curable resin component further contains an acrylic-modified silicone resin. Here, for example, the acrylic-modified silicone resin has a trialkoxysilane group. Further, the moisture-curable resin component preferably contains a catalyst. Here, for example, the base coat resin composition for a transfer sheet may further include a thermosetting resin component.

Here, the solid content of the moisture-curable resin component contained in 100 parts by weight of the solid content of the base coat composition for a transfer sheet is more preferably 20 to 100 parts by weight.

[0010] The present invention also provides a transfer sheet comprising a base film and a transfer layer provided thereon, and further comprising a base coat layer thereon, wherein the base coat layer is the base coat composition for transfer. This is a transfer sheet characterized by the following. Also, between the transfer layer and the base coat layer,
More preferably, a design layer is provided.

Further, the present invention provides a method for producing a base film comprising the steps of:
Step (1) of applying a coating made of the radiation-curable resin composition and then drying to form a transfer layer. Applying a base coat coating on the transfer layer obtained in the above step (1), followed by drying. A method for producing a transfer sheet, comprising the step (2) of forming a base coat layer, wherein the base coat paint is the base coat composition for the transfer sheet. Further, it is preferable to include a step of forming a design layer between the step (1) and the step (2).

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Base Coat Composition for Transfer Sheet The base coat composition for a transfer sheet of the present invention is characterized by containing a moisture-curable resin component.

The moisture-curable resin component contained in the base sheet composition for a transfer sheet of the present invention is a resin component which is cured by moisture in the air, for example, a resin having one or more alkoxysilyl groups in one molecule. Etc., which contain a resin well known by those skilled in the art. Specific examples of such a resin include an acrylic-modified silicone resin in which an alkoxysilyl group is grafted on an acrylic resin, and a polyester-modified silicone resin in which an alkoxysilane group is grafted on a polyester resin. In view of the above, an acrylic-modified silicone resin is preferable. The above alkoxysilyl group is not particularly limited, and specifically, -Si (O
R) A trialkoxysilyl group represented by ₃ can be mentioned. R in the trialkoxysilyl group is a hydrogen atom, an alkyl group or an alkoxyalkyl group, which may be the same or different. R above
From the viewpoint of pot life, at least one is preferably an alkyl group or an alkoxyalkyl group. Further, the number of carbon atoms of the alkyl group or alkoxyalkyl group is not particularly limited, but is preferably 8 or less, more preferably 4 or less, from the viewpoint of pot life.

[0014] The alkoxysilyl value of the resin solid content of such a resin is not particularly limited, but from the viewpoint of pot life and curability after application of the obtained base coat composition, for example, 0.05 to 1.0 mmol / g. And more preferably 0.1 to 0.5 mmol / g.

The above resin may have, for example, an epoxy group, a hydroxyl group, a carboxylic acid group and the like as other functional groups. The number average molecular weight of the above resin is not particularly limited, but from the viewpoint of handleability of the resin and prevention of penetration of the adhesive component of the obtained transfer sheet, it is preferably from 3,000 to 1,
It is preferably 0000, more preferably 4,000 to 8,000. The glass transition temperature of the resin is not particularly limited, and may be, for example, -20 to 10
0 ° C.

The base coat composition for a transfer sheet of the present invention may further contain a catalyst. The catalyst is not particularly limited, and specific examples thereof include an organotin catalyst and the like, for example, dibutyltin dilaurate,
Examples thereof include dibutyl tin malate and dioctyl tin malate.

The transfer sheet base coat composition of the present invention may further contain a coloring component for the purpose of improving the color tone and texture of the design. Examples of the coloring component include a coloring dye and a coloring pigment. The dyes and pigments are not particularly limited, and include those well known by those skilled in the art. When the coloring component is contained, the amount of the coloring component in the resin solid content of 100 parts by weight contained in the base sheet composition for a transfer sheet is not particularly limited.
200 parts by weight.

The transfer sheet base coat composition of the present invention may contain a thermosetting resin. The thermosetting resin is not particularly limited, for example, a hydroxyl group-containing resin, a carboxyl group-containing resin, an epoxy group-containing resin,
Resins and compounds well known by those skilled in the art, such as isocyanate group-containing resins and amino group-containing resins, can be exemplified.

When the base coat composition for a transfer sheet of the present invention contains the above-mentioned thermosetting resin, usually, unless the thermosetting resin alone has thermosetting properties, it is further cured. Contains agents. Specific examples of the curing agent include those well known by those skilled in the art depending on the type of the functional group of the thermosetting resin.

The content ratio of the above-mentioned thermosetting resin and the above-mentioned curing agent can be appropriately set by those skilled in the art according to the functional group content of each thermosetting resin and the curing agent.

The base coat composition for a transfer sheet of the present invention may contain, in addition to the above-mentioned components, those well known to those skilled in the art, such as various additives and organic solvents.

The solid content of the moisture-curable resin contained in 100 parts by weight of the solid content of the base coat composition for a transfer sheet of the present invention is preferably 20 to 100 parts by weight, more preferably 30 to 50 parts by weight. It is more preferred that there be.
When the solid content is less than 20 parts by weight, the effect of the present invention may not be sufficient.

Transfer Sheet The transfer sheet of the present invention is a transfer sheet in which a transfer layer containing a radiation-curable resin is provided on a base film, and a base coat layer is further provided thereon. Characterized by being a base coat composition for use. The base film is made of a base film having releasability from the transfer layer, and is not particularly limited as long as it transmits radiation. For example, polyethylene terephthalate (PET) resin, polyethylene Examples thereof include films made of various synthetic resins such as resin, polypropylene resin, and the like, and sheets made of surface-treated papers such as synthetic paper. From the viewpoint of transparency and strength,
As a base film having such releasability, P
ET resin films are preferred.

The thickness of the base film is not particularly limited, but is generally preferably from 10 to 200 μm, more preferably from about 25 to 100 μm. When the thickness of the film having the releasability is less than 10 μm, the strength of the film becomes insufficient, and after producing a decorative board using the obtained transfer paper, the film breaks when the base film is peeled off during use. There is a fear, and when it exceeds 200 μm, it is not economical because an effect in proportion thereto cannot be obtained, and when the transfer layer is irradiated with radiation and cured,
The amount of radiation reaching the transfer layer may be reduced and curing may be insufficient.

In the case where a transfer sheet having a matte tone is formed by forming irregularities on the surface of the transfer layer, the above-described base film having an uneven surface formed by embossing or the like on the surface in contact with the transfer layer may be used. It can be used as a base film having releasability.

The transfer layer in the transfer sheet of the present invention is provided on the base coat layer and contains the radiation-curable resin composition. This radiation-curable resin composition contains a radiation-curable resin. The radiation-curable resin is a resin that is cured by an ultraviolet ray, an electron beam, or the like, and specific examples thereof include a simple substance or a mixture of compounds having one or more ethylenically unsaturated double bonds in the molecule. As such, for example, unsaturated polyester resin, polyester polyacrylate resin, polyester polymethacrylate resin, epoxy polymethacrylate resin, epoxy polyacrylate resin, polyester polymethacrylate resin, urethane polyacrylate resin, urethane polymethacrylate resin, acrylic Examples thereof include a polyacrylate resin and an acrylic polymethacrylate resin.

In the case where the radiation-curable resin composition is used as a resin that is cured by irradiation with ultraviolet rays, the radiation-curable resin composition may further contain a photopolymerization initiator. As the photopolymerization initiator, a known photopolymerization initiator usually used for ultraviolet curing can be used. When the photopolymerization initiator is not contained, the radiation-curable resin can be generally cured by irradiation with an electron beam. The radiation-curable resin composition may include a thermosetting resin, an aromatic petroleum resin, particles, and the like, in addition to the radiation-curable resin.

Although the thickness of the transfer layer is not particularly limited, it is generally preferably from 10 to 200 μm.
About 100 μm is more preferable. When the thickness of the transfer layer is less than 10 μm, the strength of the transfer layer becomes insufficient,
After the decorative sheet is manufactured using the obtained transfer sheet, the base sheet may be broken when the base film is peeled off during use, and when the decorative sheet exceeds 200 μm, a proportional effect cannot be obtained, so that it is not economical. Further, the time required for drying may be long, and further, when the transfer layer is irradiated with radiation to be cured, the irradiation time may be long and productivity may be reduced. The surface layer of the transfer layer is preferably dry to the touch from the viewpoint of further providing a base coat layer thereon.

The base coat layer in the transfer sheet of the present invention is provided on the transfer layer for the purpose of imparting a design property to the transfer sheet and concealing the base. The base coat layer is composed of a base coat composition, and specific examples include the above-described base coat composition for a transfer sheet.

The thickness of the base coat layer is not particularly limited, but is generally 5 to 5 as a dry film thickness.
It is set to 0 μm. The thickness of the base coat layer is 5μ
If it is less than 50 m, the base concealing property may be insufficient, and if it exceeds 50 μm, a proportional effect cannot be obtained, so that it is not economical and it may take time to dry the base coat layer. There is. In addition, the surface layer of the base coat layer is dry to the touch from the viewpoint of adhesion when the obtained transfer sheet is bonded to the base material and storing the obtained transfer sheet wound up in a roll shape or stacked. Is preferred.

The transfer sheet of the present invention is provided between the above-mentioned transfer layer and the above-mentioned base coat layer for the purpose of providing designability.
A design layer may be provided.

Specific examples of the above-mentioned pattern layer include those obtained from a transfer foil layer and those made of ink. The transfer foil layer is obtained, for example, by printing a pattern layer using a printing method such as gravure printing, offset printing, or screen printing on a mounting layer such as a film or paper coated with a release resin. is there. Therefore, after providing the transfer foil layer on the transfer layer,
After removing the backing layer on the surface of the transfer foil layer, the base coat layer needs to be provided. The design layer made of the ink is obtained, for example, by directly printing the ink on the transfer layer. Here, the design layer is
It may be a discontinuous layer or a continuous layer that covers the entire surface.

The thickness of the symbol layer is not particularly limited, but is generally set to 0.1 to 5 μm. When the thickness of the above-mentioned design layer is less than 0.1 μm, the design itself may be unclear and the design may be deteriorated.
If it exceeds, irregularities due to the design layer will be noticeable,
There is a possibility that the smoothness of the decorative board finally obtained is reduced.

Method for Producing Transfer Sheet In the method for producing a transfer sheet of the present invention, a step (1) of forming a transfer layer by applying a radiation-curable resin composition on a base film and drying the composition is carried out. A) applying the base coat composition onto the transfer layer obtained in the step (b), followed by drying to form a base coat layer (2), wherein the base coat composition comprises: Wherein the base coat composition is a transfer sheet.

As the first step in the method for producing a transfer sheet of the present invention, a radiation-curable resin composition is applied on a base film. Specific examples of the base film and the radiation-curable resin composition include those described above. The form of the radiation-curable resin composition is not particularly limited as long as it can be generally formed as a coating film by coating, but from the viewpoint of ease of application, contains a solvent component such as water or an organic solvent. It may be in the form of an organic solvent type, aqueous type, emulsion type or the like. As a method of applying to the base film, for example, brush coating, dip coating,
Examples of the method include spray coating, roll coating, and curtain flow coating. From the viewpoint of economy and stability of mass production of the transfer layer appearance, roll coating is preferred.

Further, after coating, a temperature of 50 to 150.degree.
The transfer layer can be obtained by removing the solvent component remaining in the applied radiation-curable resin composition after drying for minutes. The removal of the solvent component in the transfer layer is preferably performed sufficiently from the viewpoint of adhesion when another layer is formed on the transfer layer.

The second step in the method for producing a transfer sheet of the present invention is to form a base coat layer by applying a base coat paint on the transfer layer and then drying it. Specific examples of the base coat paint include the base coat compositions described above.

Examples of the method of applying the above base coat composition include brush coating, dip coating, spray coating, roll coating, curtain flow coating, etc., and are economical and stable in mass production of the resulting adhesive layer appearance. From the viewpoint of properties, roll coating is preferred. Further, from the viewpoint of adhesion when the transfer sheet obtained by the method for producing a transfer sheet of the present invention is adhered to a substrate and storing the obtained transfer sheet wound up in a roll or stored in a pile, It is preferable that the material is dried so that the solvent component remaining in the material is removed. This drying does not cure, and the drying temperature and the drying time are appropriately determined depending on the type and thickness of the base coat layer.

In the method for producing a transfer sheet of the present invention, a pattern layer may be provided on the transfer layer from the viewpoint of imparting design properties to the obtained transfer sheet. Specific examples of the design layer include those described in the section of the transfer sheet. Examples of the method of forming the pattern layer include a method of attaching the transfer foil described in the section of the transfer sheet on the transfer layer and a method of printing directly on the transfer layer. As a method of bonding the transfer foil, specifically, a method of superimposing the transfer foil on the transfer layer such that the design of the transfer foil is on the lower side and the mount is on the upper side, and heating or pressurizing can be exemplified. In addition, as a method of direct printing, specifically, a method of directly printing a desired pattern on the transfer layer by a printing method such as screen printing or an inkjet method can be exemplified.

Further, in the method for producing a transfer sheet according to the present invention, a base coat layer may be formed on the transfer layer or the design layer. Here, when the design layer is formed of a transfer foil, it is necessary to form a base coat layer after peeling off the mount from the transfer foil. The base coat layer is composed of a base coat composition. Specific examples of the base coat composition include those described in the section of the transfer sheet.

The base coat layer is formed by applying the base coat composition on the transfer layer or the design layer. In addition, when the said symbol layer consists of a transfer foil layer, after peeling a mount layer, the said base coat composition is apply | coated. Examples of the method of applying the base coat composition include brush coating, dip coating, spray coating, roll coating, curtain flow coating, and the like. From the viewpoint of economy and mass production stability of the obtained adhesive layer appearance, Thus, roll coating is preferred. Further, from the viewpoint of adhesion when the transfer sheet obtained by the method for producing a transfer sheet of the present invention is bonded to a substrate, and storing the obtained transfer sheet wound up in a roll shape or stored in a roll, It is preferable to dry so that the solvent component remaining in the inside is removed. This drying does not cure, and the drying temperature and the drying time are appropriately determined depending on the type and thickness of the base coat layer.

The transfer sheet thus obtained can be prepared by using various adhesives, such as gypsum-based substrates, fiber cement plates, concretes, metal plates, papers, various resin films, and wood substrates. A decorative plate can be obtained by bonding the base material to such a base material.

[0043]

EXAMPLES Example 1 Basecoat composition for transfer sheet
1 Acrylic modified silicone resin (trade name "Clearmer UA"
-90 ", manufactured by Sanyo Chemical Co., Ltd., molecular weight 5000, resin solid content alkoxysilyl value 0.3 mmol / g, glass transition temperature 60 ° C) and organotin-based catalyst (trade name" SCAT2 ")
4 ", manufactured by Sankyoki Gosei Co., Ltd., dibutyltin dilaurate)
Was mixed to give a solid content weight ratio of 100/4, and xylene / butyl acetate / methanol was added at a weight ratio of 6 /
The organic solvent mixed at a ratio of 4/1 was added to obtain a transfer sheet base coat composition 1 having a solid content of 60% by weight.

Comparative Example 1 Base Coat Composition for Transfer Sheet
Product 2 Carboxylic acid group-containing acrylic resin (trade name "NeoRez"
R9679 "(manufactured by Kanegafuchi Chemical Co., Ltd.) and an imide-based curing agent (trade name" Carbodilite V-02 "manufactured by Nisshinbo Co., Ltd.) so as to have a solid content weight ratio of 95/5. A transfer sheet base coat composition 2 having a solid content of 60% by weight was obtained.

Comparative Example 2 Base Coat Composition for Transfer Sheet 3 Epoxy Group-Containing Resin (trade name "Celtop 850", manufactured by Daicel Chemical Industries, Ltd.) and Silanol Group-Containing Hardener (trade name "CAT-A HG-006", Daicel Chemical company)
Is mixed so as to have a solid content weight ratio of 100/3, and further, an organic solvent in which xylene / methyl isobutyl ketone is mixed at a weight ratio of 1/1 is added, to obtain a transfer sheet base coat composition 3 having a solid content of 60% by weight. Obtained.

Comparative Example 3 Base coat composition for transfer sheet 4 Chelate cross-linkable paint (trade name “COATRON MW06”)
0 ", manufactured by Sanyo Chemical Industries, Ltd.) and an organic solvent obtained by mixing toluene / methyl isobutyl ketone / isopropanol at a weight ratio of 3/4/3 to obtain a base coat composition 4 for a transfer sheet having a solid content of 60% by weight. Was.

Comparative Example 4 Base Coat Composition 5 for Transfer Sheet Epoxy Group-Containing Resin (trade name “XP-875R-1”,
Mitsubishi Chemical Corporation) and amine-based curing agents (trade name "XP-
875H-1 "(manufactured by Mitsubishi Chemical Corporation) at a solid content weight ratio of 2/1.
Then, an organic solvent in which butyl acetate / xylene was mixed at a weight ratio of 1/1 was added to obtain a transfer sheet base coat composition 5 having a solid content of 60% by weight.

Comparative Example 5 Base Coat Composition for Transfer Sheet 6 Urethane-curable acrylic resin paint (trade name “NAX Superior Reel 310NS” / “NAX Superior Hardener” / “NAX Superior Cure Accelerator”) at a solid content ratio of 100 / 13/1, both of which are manufactured by Nippon Paint Co., Ltd.
Thus, 0% by weight of a base sheet composition 6 for a transfer sheet was obtained.

Example 2 Transfer Sheet 1 UV cured film having a transfer layer provided on a PET film layer (trade name “Ubicoat F Series”, manufactured by Nippon Paint Co., Ltd., PET film thickness 50 μm, transfer layer thickness) On a transfer layer of 50 μm), a transfer foil is overlapped with the design layer facing down, and the transfer foil is laminated at 4 kg / cm ² and 80 ° C. with a transfer roll while peeling off the mount of the transfer foil.
A design layer was provided on the transfer layer. The thickness of the design layer was 1 μm. Thereafter, the base coat composition 1 for a transfer sheet obtained in Example 1 was applied on the pattern layer by a roll coater so as to have a dry film thickness of 10 μm, and then was applied in a hot air drying oven.
After drying at 20 ° C. for 1 minute, a transfer sheet 1 having a base coat layer provided on a design layer was obtained. Thereafter, the obtained transfer sheet 500 m was wound up in a roll shape at a speed of 10 m / min.

Example 3 Transfer Sheet 2 The dry film thickness of the base coat composition 1 for a transfer sheet was 20 μm.
The transfer sheet 2 was wound in the same manner as in Example 2 except that the transfer sheet 2 was dried at 120 ° C. for 2 minutes.

Example 4 Transfer Sheet 3 The dry film thickness of the base coat composition 1 for a transfer sheet was 30 μm.
m and then wound up after obtaining the transfer sheet 3 in the same manner as in Example 2 except that the transfer sheet 3 was dried at 120 ° C. for 3 minutes.

Comparative Examples 6 to 10 Transfer sheets 4 to 8 were prepared in the same manner as in Example 3, except that transfer sheet base coat compositions 2 to 6 of Comparative Examples 1 to 5 were used. After obtaining, it was wound up.

<Evaluation Test> (1) Paint Evaluation Pot Life Test The transfer sheet base coat compositions 1 to 6 obtained in Example 1 and Comparative Examples 1 to 5 were treated at 25 ° C. for 4 hours.
The pot life over time was visually evaluated. The evaluation criteria were as follows. The evaluation results are shown in Table 1. ：: Fluidity Δ: Slightly fluidity, but cannot be applied as it is ×: Gelled (2) Sheet evaluation Transfer sheets 1 to 8 obtained in Examples 2 to 4 and Comparative Examples 6 to 10 The following evaluation test was conducted. The evaluation results are shown in Table 2.

Finger Touch Test Regarding stickiness on the base coat layer side of each transfer sheet,
The evaluation was made by finger touch. The evaluation criteria were as follows. ：: No sticky feeling ×: Sticky feeling

Blocking test The base coat layer side of each transfer sheet was superimposed, and 50
After standing at 40 ° C. for 24 hours while applying a pressure of Kg / cm ² , the adhesion was evaluated. The evaluation criteria were as follows. ：: easy peeling, no problem △: slight peeling, base coat layer partially non-uniform ×: very hard peel, non-uniform base coat layer

Bendability test Each transfer sheet was bent 180 ° at 0 ° C. and 20 ° C. with the base coat layer side facing out, and the bent portions were visually evaluated for cracks. The evaluation criteria were as follows. ○: No crack ×: Cracked −: Test was not possible due to severe blocking

[0057]

[Table 1]

[0058]

[Table 2]

As can be seen from Tables 1 and 2, the base coat composition for a transfer sheet of the present invention has a good pot life and contains a moisture-curable resin component. Has no stickiness due to finger touch, has good blocking properties, and has improved bending properties.

[0060]

The base coat composition for a transfer sheet of the present invention contains a moisture-curable resin component, so that the base coat composition is not cured in a coating apparatus during the production of an actual transfer sheet. Further, the transfer sheet provided with the base coat layer obtained therefrom has no stickiness of the base coat layer and good blocking.

It is considered that this is because the moisture-curable resin component controls the reactivity of the base coat composition. Therefore, the transfer sheet obtained by using the base coat composition for a sheet of the present invention has a winding deviation when wound into a roll, a winding deviation during storage due to a change in environmental temperature, and a cross-sectional shape when wound into a roll. It is possible to prevent a change, a lateral wrinkle of the sheet when the sheet is pulled out, and a wrinkle skin on the surface.

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Koichi Kimura 19-17 Ikedanakamachi, Neyagawa-shi, Osaka F-term in Nippon Paint Co., Ltd. (reference) 4D075 AE16 BB24Y CA03 CA08 DA04 DB48 DC33 DC40 EA05 EA21 EA25 EB22 EB42 EB56 EC11 EC37 4J038 CJ181 CJ291 CP071 DD221 DL101 GA15 JC41 KA04 KA08 NA10 NA23 NA26 PA20 PB03 PC08

Claims (11)

[Claims] 1. A base coat resin composition for a transfer sheet, comprising a moisture-curable resin component. 2. The transfer sheet base coat composition according to claim 1, wherein the moisture-curable resin component contains an acrylic-modified silicone resin. 3. The transfer sheet base coat composition according to claim 2, wherein the acrylic-modified silicone resin has a trialkoxysilyl group. 4. The transfer sheet base coat composition according to claim 1, further comprising a catalyst. 5. The transfer sheet base coat composition according to claim 1, further comprising a coloring component. 6. The base coat composition for a transfer sheet according to claim 1, further comprising a thermosetting resin. 7. The solid content of the moisture-curable resin component contained in 100 parts by weight of the solid content of the base coat composition for a transfer sheet is 20 to 100 parts by weight.
The base coat composition for a transfer sheet according to any one of the above. 8. A transfer sheet comprising a transfer layer containing a radiation-curable resin on a base film, and a base coat layer further provided thereon, wherein the base coat layer comprises:
A transfer sheet, which is the base coat composition for transfer according to any one of claims 1 to 7. 9. The transfer sheet according to claim 8, wherein a design layer is provided between said transfer layer and said base coat layer. 10. A step (1) in which a radiation-curable resin composition is applied on a base film and then dried to form a transfer layer. The base coat composition is applied on the transfer layer obtained in the step (1). A method for producing a transfer sheet, comprising a step (2) of forming a base coat layer by applying and drying the base sheet, wherein the base coat composition is the transfer sheet according to any one of claims 1 to 7. A method for producing a transfer sheet, characterized in that it is a base coat composition for use. 11. The method for manufacturing a transfer sheet according to claim 10, further comprising a step of forming a design layer between the step (1) and the step (2).