JPH08118575A - Laminated sheet for coating and manufacture thereof - Google Patents

Abstract

PURPOSE: To provide a laminated sheet for coating which has excellent flaw resistance (scratch resistance) and a sense of soft contact (soft touch) and easy manufacture without complicated manufacturing step, and a method for manufacturing the same. CONSTITUTION: A laminated sheet 6 for coating is obtained by sequentially coextruding a surface layer 4a containing a thermoplastic polyurethane elastomer as a main ingredient, an adhesive resin layer 4b and a base material layer 4c containing thermoplastic resin as a main ingredient in this order from a coextruding mold 2, providing a thermal adhesive layer 5b at least on one side surface of a thermoplastic resin foamed sheet 5a on the surface of the layer 4c of the resultant sheet 4 to provide a thermoplastic resin foamed sheet 5, and so superposing the sheet 5 that the layer 5b becomes the outside. When elastic fine particles are contained in the layer 4a, a sense of matting is imparted to the surface to provide calm external appearance.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a laminated sheet for coating and a method for producing the same, and more specifically, it can be used for interiors of automobiles, housings for office automation equipment / home appliances, stationery, sanitary products, daily necessities, interior materials for building materials, etc. TECHNICAL FIELD The present invention relates to a coated laminated sheet capable of imparting good scratch resistance and soft contact feeling to a molded product by coating the molded product on a portion that may be touched by a person, and a method for producing the same.

[0002]

2. Description of the Related Art Conventionally, a laminated sheet for coating of this type is mainly a laminated sheet in which a foamed sheet such as polyurethane foam is laminated on the back side of a surface layer made of a soft vinyl chloride resin whose surface is embossed. Sheets have been used.

However, in a laminated sheet using a surface layer made of a soft vinyl chloride resin, the plasticizer contained in the resin exudes a sticky feeling on the surface, and a surface layer made of a soft vinyl chloride resin is used. The adhesiveness with the foamed sheet was also not sufficiently satisfactory. Further, surface treatment or the like is required, and the manufacturing process is complicated.

In order to improve such a defect, there has been proposed a laminated sheet in which a foamed sheet of polyethylene or polypropylene is laminated on the back surface side of a surface layer made of a thermoplastic polyolefin elastomer whose surface is embossed. (For example, refer to Japanese Patent Publication No. 1-14023).

However, the above-mentioned laminated sheet using the surface layer made of a thermoplastic polyolefin elastomer is not sufficiently satisfactory in scratch resistance (scratch resistance) and soft contact feeling (soft touch feeling).

[0006]

DISCLOSURE OF THE INVENTION The present invention is intended to solve the above problems, and its purpose is to provide excellent scratch resistance (scratch resistance) and soft contact feeling (soft touch feeling). Moreover, it is an object of the present invention to provide a covering laminated sheet which can be easily manufactured without a complicated manufacturing process and a manufacturing method thereof.

[0007]

A coating laminated sheet of the present invention comprises a surface layer containing a plastic polyurethane elastomer as a main component, an adhesive resin layer, and a base material layer containing a thermoplastic resin as a main component. The thermoplastic resin foamed sheet and the heat-sensitive adhesive layer are characterized by being laminated in this order, whereby the above object can be achieved.

Further, the method for manufacturing a laminated sheet for coating of the present invention comprises a surface layer containing a thermoplastic polyurethane elastomer as a main component, an adhesive resin layer, and a base material layer containing a thermoplastic resin as a main component. , A thermoplastic resin foam sheet having a heat-sensitive adhesive layer provided on at least one side of the base material layer surface of the laminated sheet immediately after being coextruded in a state of being laminated in this order, the heat-sensitive adhesive It is characterized in that the layers are superposed and adhered so that they are on the outside, whereby the above-mentioned object can be achieved.

In the present invention, the thermoplastic polyurethane-based elastomer constituting the surface layer has rubber elasticity at room temperature, is plasticized at high temperature, and can be molded into various shapes. As a rubber component (soft segment) having entropy elasticity, polyether, polyester, and polycarbonate are included, and as a molecular restraint component (hard segment) for preventing plastic deformation, a segment constituted by a urethane bond is included. . Although it may partially have a crosslinked structure in a moldable range, it does not have a wide range of three-dimensional network structure.

The thermoplastic polyurethane-based elastomer preferably has a glass transition point (Tg) of -50 to 20 ° C. in order to exhibit good scratch resistance, and the molecular weight is preferably high from the viewpoint of rigidity, The weight average molecular weight is preferably in the range of 20,000 to 3,000,000. The hardness thereof varies depending on the hardness and thickness of the base material layer and the foam layer laminated on the back surface layer, but is preferably in the range of about 50 to 98 in JIS A hardness.

Further, the thermoplastic polyurethane elastomer preferably contains elastic fine particles in order to impart a matte feeling (suede feeling) to the surface of the surface layer. Here, the elastic fine particles are fine particles having a property of elastically recovering when opened after being pressed until the shape is deformed, and include, for example, polyurethane, acrylic resin, acrylic-urethane resin, polystyrene, styrene- The isoprene copolymer or the like that does not melt during the melt-kneading molding of the thermoplastic urethane elastomer is used.

The shape of these elastic fine particles is not limited to a spherical shape, and a non-spherical shape obtained by means such as freeze pulverization can also be used. The average particle diameter of the elastic fine particles is usually in the range of 1 to 50 μm, preferably 5 to 40 μm, and is usually 20 to 200 parts by weight, preferably 50 to 100 parts by weight with respect to 100 parts by weight of the thermoplastic urethane elastomer.
It contains 150 parts by weight.

If the average particle size of the elastic fine particles is less than 1 μm, it is difficult to obtain a surface layer having a sufficient soft touch feeling. On the contrary, if the average particle size exceeds 50 μm, the surface layer is extruded into a sheet and spread. When doing so, cracks are likely to occur on the surface. On the other hand, if the content is less than 20 parts by weight based on 100 parts by weight of the thermoplastic urethane elastomer, a good matte feeling is not imparted to the surface of the surface layer, and conversely the content is 2 parts by weight.
If it is more than 100 parts by weight, cracks are likely to occur on the surface when the surface layer is extruded and spread.

The elastic fine particles are not limited to one kind, and two or more kinds may be used in combination, and when a flexible thermoplastic urethane elastomer is used or when the surface layer has a slightly hard feeling, the above-mentioned elastic fine particles are used. The elastic fine particles may be mixed with hard beads made of, for example, crosslinked polymethylmethacrylate or an inorganic material.

In the present invention, as the resin constituting the base material layer, thermoplastic elastomer, polystyrene resin, acrylic polymer, polycarbonate, polyvinyl chloride resin, polyethylene resin, polypropylene resin, acrylonitrile- Budadiene-styrene copolymer, modified polyphenylene oxide, polyphenylene sulfide, polyetherimide, polyetheretherketone, ionomer resin (ethylene-methacrylic acid copolymer metal salt), etc., but gives a softer soft touch feeling For this purpose, it is preferable to use a thermoplastic elastomer.

As such a thermoplastic elastomer, a thermoplastic polyolefin elastomer (EPR) which is excellent in moldability and cost is preferable. The thermoplastic polyolefin-based elastomer has polypropylene as a hard segment and polyethylene as a soft segment (EPM), or has a copolymer of ethylene and a small amount of diene (EPDM), or by blending these. The obtained product, or those partially cross-linked with an organic peroxide can be used.

The hardness of these thermoplastic polyolefin elastomers is generally preferably in the range of 50 to 98 in JIS A hardness. Further, in order to improve the extrusion moldability of the thermoplastic polyolefin-based elastomer, a polyolefin-based resin such as polypropylene or linear low-density polyethylene may be blended.

Further, in the presence of a special polypropylene resin, that is, a titanium compound and an aluminum compound, first, a titanium-containing polypropylene resin obtained by prepolymerizing a propylene resin and the presence of the above titanium compound and aluminum compound. Below, it is also preferable to use a polypropylene resin composed of a propylene-ethylene copolymer obtained by copolymerizing propylene and ethylene, or propylene and an α-olefin, or a propylene-α-olefin copolymer.

The above-mentioned special polypropylene resin has a weight average molecular weight of 80,000 to 600,000 and is 10 by the cross fractionation method.
The elution amount at 0 ° C is 20 to 80% by weight of the total polypropylene resin amount, the elution amount at 10 to 65 ° C is 10 to 50% by weight of the total polypropylene resin amount, and the elution amount at 65 to 90 ° C is the total polypropylene amount. 1 to 15 wt% of the amount of resin, 90
The elution amount at ~ 125 ° C is 10% of the total polypropylene resin amount.
It is preferable to use the one of about 35% by weight.

In the present invention, as the resin forming the adhesive resin layer, a polymer or oligomer compatible with the resin forming the surface layer and the base material layer is used. As such a resin component, a polymer or oligomer containing a compound having a functional group such as a hydroxyl group, an amide group, an epoxy group, a carboxylic acid group or a carboxylic acid ester group in its main chain or side chain is used.

Among these functional groups, those having a carboxylic acid group are particularly preferable, and the amount of the carboxylic acid is preferably such that the acid value of the polymer or oligomer is 1 to 30 mgKOH / g. The molecular weight of the polymer is not particularly limited, but it is generally about 0.2 to 500,000. Softening point is 1
The temperature is preferably about 00 to 220 ° C. If the softening point is lower than this range, the heat resistance of the obtained sheet tends to be poor, and if it is too high, the adhesiveness tends to be poor.

When a thermoplastic polyolefin-based elastomer is used for the base material layer, the resin forming the adhesive resin layer includes chlorinated polyolefin, ionomer resin (ethylene-methacrylic acid copolymer metal salt),
An acid-modified polyolefin resin, an acid-modified styrene-budadiene-styrene copolymer, an acid-modified styrene-ethylene / butylene-styrene copolymer, or the like is used, and in particular, the property itself as an elastomer (for example, , JIS A hardness of about 50 to 98) is preferable.

Further, in the present invention, as the resin constituting the thermoplastic resin foam sheet, polypropylene,
Examples of the foamable thermoplastic resin materials include polyolefin resins such as polyethylene, polystyrene, polystyrene resins such as styrene-maleic anhydride copolymer, polyurethane resins, polyvinyl chloride resins, and various thermoplastic elastomers. The expansion ratio of these thermoplastic resin foam sheets is preferably about 5 to 50 times, particularly preferably about 10 to 40 times, in order to exhibit good cushioning properties and soft touch feeling.

Further, in the present invention, the material constituting the heat-sensitive adhesive layer is a binder resin such as ethylene-vinyl acetate copolymer, polyamide, polyester, isotactic polypropylene, styrene-isoprene-styrene copolymer. A known heat-sensitive adhesive containing, as a main component, a tackifier such as rosin resin or petroleum resin is used. The melting temperature of these compositions is
Usually, it is 150 to 200 ° C.

As shown in FIG. 1, the coating laminated sheet of the present invention has a surface layer 4a containing the above-mentioned thermoplastic polyurethane elastomer as a main component and an adhesive resin layer 4b.
A base material layer 4c containing a thermoplastic resin as a main component, a thermoplastic resin foam sheet 5a, and a heat-sensitive adhesive layer 5b are laminated in this order. The reference numeral 6 indicates the coating laminated sheet.

In the covering laminated sheet 6, the surface layer 4a and the base material layer 4c are adhered by the adhesive resin layer 4b. The base material layer 4c and the thermoplastic resin foam sheet 5a are adhered to each other by heat fusion or a heat-sensitive adhesive (not shown) similar to the heat-sensitive adhesive layer 5b. The heat-sensitive adhesive layer 5b is coated on the outer surface of the thermoplastic resin foam sheet 5a.

In such a covering laminated sheet 6,
It is preferable that the surface layer 4a has a thickness of 5 to 500 μm, the base material layer 4c has a thickness of 50 to 3 mm, and the foamed sheet 5a has a thickness of 1 to 5 mm. Adhesive resin layer 4b and heat-sensitive adhesive layer 5
The thickness of b may be such that a sufficient adhesive force is exhibited.

In order to manufacture the covering laminated sheet 6 of the present invention, the following method is preferably adopted. First, FIG.
, A surface layer 4a containing a thermoplastic polyurethane elastomer as a main component, an adhesive resin layer 4b,
A base material layer 4c containing a thermoplastic resin as a main component is co-extruded in a state of being laminated in this order to obtain a laminated sheet 4.

A known method is adopted as the coextrusion method. For example, the resin forming the surface layer 4a, the adhesive resin layer 4b, and the base material layer 4c are melt-extruded from three extruders 1a, 1b, and 1c, respectively, and the molten resins are laminated in this order. It is introduced into the coextrusion die 2 to be merged into a layer, and this is coextruded from the slit of the coextrusion die 2 to form an integrated laminated sheet including the surface layer 4a, the adhesive resin layer 4b, and the base material layer 4c. Get 4.

Next, the laminated sheet 4 thus obtained is transferred between the pair of pressing rolls 3, 3. At the same time,
The thermoplastic resin foam sheet 5 having the heat-sensitive adhesive layer 5b on at least one surface is transferred between the pair of pressing rolls 3 and 3. The thermoplastic resin foam sheet 5 having the heat-sensitive adhesive layer 5b is prepared by applying the heat-sensitive adhesive in a molten state in advance on at least one surface of the thermoplastic resin foam sheet 5a using an applicator or an extruder for application. Make it.

Then, the heat-sensitive adhesive layer 5b of the thermoplastic resin foam sheet 5 is superposed on the surface of the base material layer 4c of the laminated sheet 4 so as to be outside, and a pair of pressing rolls 3, 3
It is heat-bonded by the pressing force of. The laminated sheet 4 immediately after being coextruded retains heat to such an extent that it can be heat-bonded without being reheated, so that the thermoplastic resin foam sheet 5 can be easily bonded without using an adhesive. To be done. When the thermoplastic resin foam sheet 5a has the heat-sensitive adhesive layers 5b on both sides, the heat-sensitive adhesive layer 5b on the inner side is more easily bonded.

The co-extruded laminated sheet 4 is cooled by the pair of pressing rolls 3 and 3. At this time, as the pressing roll 3 on the surface layer 4a side, the surface is roughened and used for embossing. By using a roll and setting the roll temperature to the softening point of the thermoplastic urethane elastomer constituting the surface layer 4a or less, preferably room temperature to 100 ° C., the surface of the surface layer 4a can be embossed.

Thus, the coating laminated sheet 6 of the present invention
Is manufactured. Incidentally, various resins constituting the surface layer used in the present invention, if necessary, colorants, antioxidants, ultraviolet absorbers, antistatic agents, conductive materials, anti-condensation agents, photochromic compounds, rust inhibitors You may mix and use various additives, such as.

A known method is used to coat the surface of the molded product with these coating laminated sheets 6. For example,
The coating laminated sheet 6 is introduced into the mold in advance by hot stamping molding, vacuum molding, compression molding, etc., and the molded article (aggregate is formed by the heat-sensitive adhesive layer 5b provided on the outside of the thermoplastic resin foam sheet. Alternatively, it may be referred to as a core material) and a method of attaching it to the surface of this molded product at the same time as molding.

A method is also adopted in which the heated coating laminated sheet 6 is placed on the surface of a preformed molded product (sometimes called an aggregate or core), and both are integrally thermoformed. It

[0036]

The coated laminated sheet of the present invention comprises a surface layer containing a thermoplastic polyurethane elastomer as a main component,
An adhesive resin layer, a base material layer containing a thermoplastic resin as a main component, a thermoplastic resin foam sheet, and a heat-sensitive adhesive layer are laminated in this order, and in particular, the surface layer is a thermoplastic polyurethane elastomer. Since it is mainly formed from, it is flexible and has excellent scratch resistance (scratch resistance). When the thermoplastic polyurethane elastomer contains elastic fine particles, the surface of the surface layer is provided with a matte feeling and has a calm appearance.

The surface layer is reinforced by a base material layer containing a thermoplastic resin as a main component. Further, this base material layer also serves as a support for applying good embossing to the surface layer. Moreover, the surface layer and the base material layer are firmly adhered by using the adhesive resin layer. Further, the thermoplastic resin foam sheet gives a soft contact feeling (soft touch feeling), and the thermosensitive adhesive layer provided on the outer side of the thermoplastic resin foam sheet facilitates adhesion to the surface of the molded product.

In the method for producing a laminated sheet for coating of the present invention, a surface layer containing a thermoplastic polyurethane elastomer as a main component, an adhesive resin layer, and a base material layer containing a thermoplastic resin as a main component. , A thermoplastic resin foam sheet having a heat-sensitive adhesive layer provided on at least one side of the base material layer surface of the laminated sheet immediately after being coextruded in a state of being laminated in this order, the heat-sensitive adhesive The layers are laminated and bonded so that the layers are on the outer side, and a laminated sheet for coating can be easily obtained by a coextrusion molding method without going through a complicated manufacturing process.

[0039]

EXAMPLES Examples and comparative examples of the present invention will be shown below. Example 1 Surface layer 4a: thermoplastic polyurethane elastomer resin (manufactured by Nippon Miractolan Co., E375NMAT, JIS
A hardness 75). Adhesive resin layer 4b: Acid-modified polypropylene resin (Mitsui Petrochemical Co., Ltd., Admer QF551, MFR5.
7 g / 10 minutes). Base material layer 4c: Thermoplastic polyolefin-based elastomer resin (Mitsui Petrochemical Co., Ltd., Mirastomer 8030N) 70
A mixed resin of 30 parts by weight of polypropylene resin and 30 parts by weight of polypropylene resin. Thermoplastic resin foam sheet 5a: Polypropylene foam sheet (manufactured by Sekisui Chemical Co., Ltd., foaming ratio 25 times). Heat-sensitive adhesive layer 5b: Ethylene-vinyl acetate-based heat-sensitive adhesive (softening temperature 160 ° C., MFR 11 g / 10 minutes).

As shown in FIG. 2, three extruders 1a, 1
b, 1c to the surface layer 4a, the adhesive resin layer 4b,
The above-mentioned resins constituting the base material layer 4c are melt-extruded, and these melted resins are introduced into the multi-manifold type co-extrusion die 2 in such a state that they are laminated in this order, and merged in layers.
This was co-extruded from the slit of the coextrusion die 2 with the integrated laminated sheet 4 including the surface layer 4a, the adhesive resin layer 4b, and the base material layer 4c.

The resin temperature of the extruders 1a, 1b, 1c is 190 ° C. for the surface layer 4a, 190 ° C. for the adhesive resin layer 4b, 230 ° C. for the base material layer 4c, and the temperature of the coextrusion die 2 is 200 ° C. went.

A thermoplastic resin foam sheet 5 having a heat-sensitive adhesive layer 5b on one side is formed on the surface of the base material layer 4c of the laminated sheet 6 immediately after obtained by coextrusion, and the heat-sensitive adhesive layer 5b is formed.
Were placed so that the outer side was on the outside, and this was passed through a pair of pressing rolls 3, 3. The temperatures of the pressing rolls 3 and 3 were controlled to be 40 ° C. Thus, the covering laminated sheet 6 was manufactured.

The thermoplastic resin foam sheet 5 having the heat-sensitive adhesive layer 5b on one side is prepared by previously applying the heat-sensitive adhesive to one side of the polypropylene foam sheet using an applicator for coating. I used the one I bought.

The thickness of each layer of the obtained laminated laminated sheet 6 is 20 μm for the surface layer 4a and 10 μm for the adhesive resin layer 4b.
m 2, the substrate layer 4c was 200 μm, the thermoplastic resin foam sheet 5a was 2 mm, and the heat-sensitive adhesive layer 5b was 10 μm.

Example 2 Surface layer 4a: Thermoplastic polyurethane elastomer resin (PN3429, manufactured by Asahi Glass Co., Ltd., JIS A hardness 8). Adhesive resin layer 4b: acid-modified styrene-ethylene
Butadiene-styrene copolymer (Tuftec M1943, manufactured by Asahi Kasei). Base material layer 4c: Thermoplastic polyolefin-based elastomer resin (Mitsui Petrochemical Co., Ltd., Mirastomer 8030N) 70
A mixed resin of 30 parts by weight of polypropylene resin and 30 parts by weight of polypropylene resin. Thermoplastic resin foam sheet 5a: Polyethylene foam sheet (manufactured by Sekisui Chemical Co., Ltd., foaming ratio 30 times). Heat-sensitive adhesive layer 5b: Ethylene-vinyl acetate-based heat-sensitive adhesive (softening temperature 160 ° C., MFR 11 g / 10 minutes).

A coating laminated sheet 6 was manufactured in the same manner as in Example 1 except that the above materials were used.

Example 3 Surface layer 4a: thermoplastic polyurethane elastomer resin (PN3429, manufactured by Asahi Glass Co., Ltd., JIS A hardness 8) 10
0 parts by weight and elastic fine particles (manufactured by Dainippon Ink and Chemicals, Burnock CFB-620C-40, average particle size 10 to 20 μm
) Mixture with 50 parts by weight. Adhesive resin layer 4b: Acid-modified polypropylene resin (Mitsui Petrochemical Co., Ltd., Admer QF551, MFR5.
7 g / 10 minutes). Base material layer 4c: Thermoplastic polyolefin-based elastomer resin (Mitsui Petrochemical Co., Ltd., Mirastomer 8030N) 70
A mixed resin of 30 parts by weight of polypropylene resin and 30 parts by weight of polypropylene resin. Thermoplastic resin foam sheet 5a: Polypropylene foam sheet (manufactured by Sekisui Chemical Co., Ltd., foaming ratio 25 times). Heat-sensitive adhesive layer 5b: Ethylene-vinyl acetate-based heat-sensitive adhesive (softening temperature 160 ° C., MFR 11 g / 10 minutes).

The procedure of Example 1 was repeated except that the above materials were used to produce a coating laminated sheet 6 having a surface layer having a matte feeling.

Comparative Example 1 Substrate Layer 4c: Thermoplastic Polyolefin Elastomer Resin (Mitsui Petrochemical Co., Ltd., Mirastomer 8030N) 70
A mixed resin of 30 parts by weight of polypropylene resin and 30 parts by weight of polypropylene resin. Thermoplastic resin foam sheet 5a: Polypropylene foam sheet (manufactured by Sekisui Chemical Co., Ltd., foaming ratio 25 times).

Using only one extruder 1c of the three extruders, the above resin corresponding to the base material layer 4c of Example 1 was extruded into a sheet at 230 ° C., and a thermoplastic resin foamed sheet was obtained. 5a was piled up, and this was passed through a pair of pressing rolls 3 and 3. The temperature of the pressure rolls 3 is 4
It was controlled to be 0 ° C. Thus, a laminated sheet for coating was manufactured.

The thickness of each layer of the obtained covering laminated sheet was 300 μm for the base material layer 4c and 2 mm for the thermoplastic resin foam sheet 5a.

Comparative Example 2 A laminated sheet for coating was manufactured in the same manner as in Comparative Example 1 except that the thickness of the base material layer 4c was changed to 300 μm.

The appearance, scratch resistance (scratch resistance) and contact feeling (soft touch feeling) of the coating laminated sheets obtained in each of the Examples and Comparative Examples were evaluated by the following methods, and the results are shown below. The results are shown in Table 1.

The appearance of the coating laminated sheet was visually evaluated. For scratch resistance (scratch resistance), a scratch resistance test is performed using a Taber Scratch Tester (manufactured by Toyo Seiki Seisakusho Co., Ltd.), and the load of appearance change when the surface layer is scratched or torn visually. (50g-500
g) is represented by the following grades, and a load satisfying grade 4 or higher is shown. Regarding the contact feeling and the cushioning property, the good case is shown by ◯, and the bad feeling is shown by x.

Grade of scratch resistance Grade 5: No change in appearance is observed. Grade 4: A slight change in appearance is observed, but it is hardly noticeable. 3rd grade: Change in appearance is observed, but there is little noticeability. Grade 2: Something with a noticeable change in appearance. 1st grade: The appearance changes considerably.

Further, the adhesiveness is such that, in each example, kraft paper is superposed as a core material on the surface of the heat-sensitive adhesive layer of the covering laminated sheet, which is sandwiched by a press at a temperature of 110 ° C. and a pressure of 0.5 kg / cm. Adhesion was performed under the conditions of ² , then the adhesive was peeled off by cooling to room temperature, and the case where the foamed sheet was destroyed was indicated by a circle, and the case where the foamed sheet was peeled without being destroyed was indicated by a cross.

[0057]

[Table 1]

[0058]

As described above, the covering laminated sheet of the present invention is tough, flexible and has a good cushioning property, and is not only excellent in scratch resistance (scratch resistance) and soft contact feeling (soft touch feeling). Instead, the heat-sensitive adhesive layer provided on the outside of the foamed sheet facilitates adhesion to the surface of the molded product. Further, when the surface layer contains elastic fine particles, a matte feeling is imparted to the surface and a calm appearance can be obtained. Further, each layer is firmly adhered and there is no fear of peeling.

Further, according to the manufacturing method of the present invention, the laminated sheet for coating having the above-mentioned excellent performance can be easily obtained by the coextrusion molding method without going through complicated manufacturing steps, It has excellent properties.

Therefore, the coating laminated sheet of the present invention can impart good scratch resistance and soft contact feeling to the molded product by coating the site of the molded product that may be touched by humans, and It can be suitably used for manufacturing interior products, housings for office automation equipment and home appliances, and molded products such as stationery, sanitary products, daily necessities, and interior materials for building materials.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing an example of a coating laminated sheet of the present invention.

FIG. 2 is an explanatory view showing an example of a method for manufacturing a laminated sheet for coating of the present invention.

[Explanation of symbols]

 1a Extruder 1b Extruder 1c Extruder 2 Co-extrusion die 3 Pair of pressing rolls 4 Laminated sheet 4a Surface layer 4b Adhesive resin layer 4c Base material layer 5 Foam sheet having heat-sensitive adhesive layer 5a Foam sheet 5b Thermosensitive Adhesive layer 6 Laminated sheet for coating

Claims (4)

[Claims] 1. A surface layer containing a thermoplastic polyurethane elastomer as a main component, an adhesive resin layer, a base material layer containing a thermoplastic resin as a main component, a thermoplastic resin foam sheet, and a heat-sensitive adhesive layer. And are laminated in this order. 2. A surface layer containing a thermoplastic polyurethane-based elastomer as a main component, an adhesive resin layer, and a base material layer containing a thermoplastic resin as a main component are coextruded in such a state that they are laminated in this order. A thermoplastic resin foam sheet having a heat-sensitive adhesive layer provided on at least one surface thereof is superposed and adhered on the base material layer surface of the laminated sheet immediately after obtained so that the heat-sensitive adhesive layer is on the outside. A method for producing a laminated sheet for coating, comprising: 3. A thermoplastic polyurethane-based elastomer containing elastic fine particles.
The laminated sheet for coating described. 4. A thermoplastic polyurethane elastomer containing elastic fine particles.
A method for producing a laminated sheet for coating according to the above.