JPH0820088A - Sheetlike laminate - Google Patents

Abstract

PURPOSE:To provide a sheet like laminate imparting a good contact feeling and damage resistance by bonding and applying the laminate to a region having possibility touched with a person like an interior material of a car or a housing of OA machinery. CONSTITUTION:A sheet like laminate is obtained by successively laminating a surface layer 8 based on a thermoplastic urethane elastomer, an adhesive resin layer 9, a base material layer 10 based on a thermoplastic resin and an aggregate layer 11 based on a thermoplastic resin in this order. This laminate is excellent in contact feeling and damage resistance, has proper rigidity and is equipped with shaping properties due to post-processing and shape retentivity after shaping.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention has excellent contact feeling and excellent scratch resistance, and is used for various purposes such as automobile interiors, interior building materials, surface coating of articles, packaging, and decoration. The present invention relates to a sheet-like laminate used for

[0002]

2. Description of the Related Art A covering sheet for imparting a good contact feeling and scratch resistance by sticking and covering the surface of an article which may be touched by a person, for automobile interiors, interior materials for building materials As the sheet-shaped material, various sheet-shaped laminated bodies in which thermoplastic resin sheets or films are laminated are used. Conventionally, such a coating sheet,
(A) Using a thermoplastic resin such as vinyl chloride, polypropylene, acrylonitrile-butadiene-styrene copolymer, etc., and after imparting scratch resistance after molding a molded article from the beginning by injection molding In order to do so, a surface treatment layer was formed by applying an organic solvent solution of a surface treatment agent, and (b) a sheet-shaped body was continuously formed by extrusion molding using the same resin material to form a surface treatment layer. After that, there is one in which the product is shaped into the shape of a molded product by post-processing such as vacuum molding and pressure molding after cutting into a fixed length.

However, the injection molding is expensive in mold cost and is not suitable for high-mix low-volume production. Further, in any of those produced by any of the methods, the resin used has poor rigidity because of poor contact feeling, and when the resin used is polyvinyl chloride, the stickiness of the bleed-out plasticizer or the plasticizer with time elapses. Due to volatilization and generation of toxic gas when incinerated after use, in terms of product quality, safety and health,
There was a recycling issue. Further, in the surface treatment for imparting scratch resistance, there is a problem that the working environment is deteriorated due to the use of an organic solvent, a large-scale equipment such as a drying booth is forced to be installed, and the equipment cost rises. It was

Therefore, as described in JP-B-1-14023, a surface layer is a polyolefin-based thermoplastic elastomer layer having an embossed surface, and a polyethylene or polypropylene foam layer is laminated on the back surface side. A sheet-like laminate having the above has been proposed.

[0005]

With respect to the above-mentioned sheet-like laminated body, it is true that the mold used for production, the feeling of contact,
Although various problems caused by the vinyl chloride resin are solved, the contact resistance on the surface of the sheet increases, so that the scratch resistance is poor, and this point has not been solved.

The present invention solves many problems in the sheet-like laminate as described above, has no safety and health problems in the manufacturing process, does not require large-scale equipment, and is easy to shape by post-processing. The first object is to provide a sheet-like laminate excellent in scratch resistance and contact feeling, and further, in the case where a particularly thick product is required such as an interior material of a vehicle, it is desirable. The second object of the present invention is to provide a sheet-like laminated body which has a thickness of 1 and is light in weight despite being thick.

[0007]

A sheet-like laminate according to the present invention comprises a layer containing a thermoplastic urethane elastomer as a main component as a surface layer, and the surface layer is followed by an adhesive resin layer and a thermoplastic resin. A base material layer containing a resin as a main component and an aggregate layer containing a thermoplastic resin as a main component are laminated in this order.

The sheet-like laminate according to the invention of claim 2 is
In the above-mentioned sheet-like laminate, one or both of the base material layer and the aggregate layer is a foam.

Further, in the sheet-shaped laminate according to the third aspect of the present invention, a layer containing a thermoplastic urethane elastomer as a main component is used as a surface layer, and subsequently to this surface layer, an adhesive resin layer and a thermoplastic resin are used as main components. And a foam layer containing a thermoplastic resin as a main component and an aggregate layer containing a thermoplastic resin as a main component are laminated in this order.

In the inventions of the latter two companies, by providing a foam layer, a thick sheet having improved cushioning properties and a feeling of contact is obtained. It is in the place.

The sheet-like laminate of the present invention is not only used as a covering sheet for plastic molded articles,
Needless to say, it can be used in many other applications such as packaging, decoration, and lamination with other sheets.

The thermoplastic urethane elastomer as the surface layer forming material in the inventions of claims 1 to 3 has rubber elasticity at normal temperature and is plasticized at high temperature and can be molded into various shapes. Generally, it has polyether, polyester, polycarbonate as a rubber component (soft segment) having entropy elasticity in the molecule, and has a urethane bond as a molecular restraint component (hard segment) for preventing plastic deformation. It has a configured segment. 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 urethane elastomer has a glass transition point (Tg) of preferably -50 to 20 ° C. in order to exhibit scratch resistance, and the molecular weight is preferably high from the viewpoint of rigidity, Its weight average molecular weight is 2
The range of 30,000 to 3,000,000 is preferable. Further, the hardness is different depending on the hardness and thickness of the base material layer or the foam layer laminated on the back surface layer via the adhesive resin layer,
A hardness (JIS K-7215) of about 50 to 98 is preferable.

As the material constituting the adhesive resin layer in the invention described in claims 1 to 3, a polymer or oligomer compatible with the resin constituting the surface layer and the base material layer described later 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 preferably used. Among these functional groups, those having a carboxylic acid group are particularly preferable, and as the amount of the carboxylic acid, the acid value of the polymer or oligomer is 1 to 30 mg (KOH, g).
Is preferred. The molecular weight of the polymer is not particularly limited,
Generally, it is about 2,000 to 500,000. The softening point is preferably about 100 to 220 ° C. When the softening point is lower than this range, the heat resistance of the obtained sheet tends to be poor, and when it is too high, the original adhesiveness tends to be poor.

As the resin constituting the base material layer in the invention described in claims 1 to 3, thermoplastic elastomer, polystyrene, acrylic polymer, polycarbonate,
Polyvinyl chloride, polyethylene, polypropylene, AB
Examples thereof include S (acrylonitrile-butadiene-styrene copolymer), modified polyphenylene oxide, polyphenylene sulfide, polyetherimide, polyetheretherketone, and ionomer, but in order to impart a softer soft touch feeling, thermoplasticity is required. It is preferable to employ an elastomer.

For example, as the thermoplastic elastomer,
Examples include thermoplastic polyolefin-based elastomers that are excellent in moldability and cost. Specifically, those having polypropylene as a hard segment and ethylene as a soft segment, or those having a small amount of a diene component together with ethylene (the EPM in order) , EPDM, generically EPR), those obtained by blending these, those partially crosslinked by further adding an organic peroxide to these, and the like can be used.

The polypropylene resin is obtained by first prepolymerizing the propylene resin in the presence of the titanium compound and the aluminum compound, and the obtained titanium-containing polyolefin, and the propylene in the presence of the titanium compound and the aluminum compound. And ethylene, or propylene ethylene obtained by copolymerizing propylene and α-olefin, respectively, or propylene α-olefin copolymer, and a polypropylene resin,
The weight average molecular weight is in the range of 80,000 to 600,000, the elution amount at 10 ° C by the cross fractionation method is 20 to 80% by weight of the total polypropylene resin amount, and the approximate elution amount at 10 to 65 ° C is the total polypropylene. 10 to 50% by weight of the amount of resin, 1 to 15% by weight at 65 to 90 ° C., 90
Those which are in the range of 10-35% by weight at -125 ° C can also be used.

The hardness of these thermoplastic polyolefin-based elastomers varies depending on the desired feel of the surface of the sheet-shaped laminate, but generally, the A hardness (JIS K-7).
215) is preferably in the range of 50 to 98. In order to improve the extrusion moldability and stretch moldability of the thermoplastic polyolefin-based elastomer, polypropylene and L
A polyolefin resin such as LDPE (linear low density polyethylene) may be contained in the base material layer.

When a polyolefin type thermoplastic elastomer is used for the base material layer, chlorinated polyolefin, ionomer resin (ethylene-methacrylic acid copolymer metal salt), acid-modified SBS (styrene-butadiene-). Styrene copolymer) SEB also acid-modified
S (styrene-ethylene-butylene-styrene copolymer) and the like are preferably used, and particularly those exhibiting properties as an elastomer themselves (for example, A hardness of 50 to 9).
8) is preferably used.

As the base material layer or aggregate layer made of foam in the second aspect of the present invention, the above-mentioned base material layer-forming material or the below-mentioned aggregate layer-forming material is mixed with a foaming agent which will also be described later. And foaming. The expansion ratio is 1.5 to 5 times, preferably about 2 to 3 times. The amount of the foaming agent added is 0.5 to 2 parts by weight with respect to 100 parts by weight of the resin, and a foaming aid (inhibitor, accelerator), a cross-linking agent, etc. are appropriately added in combination with the foaming agent. Good to use.

The resin constituting the foam layer made of the thermoplastic resin according to the third aspect of the invention is a polyolefin resin such as polypropylene or polyethylene, or a polystyrene resin such as polystyrene or styrene-maleic anhydride copolymer. Examples of foamable resin materials include resins, polyurethane resins, polyvinyl chloride resins, and various thermoplastic elastomer resins.

The foaming ratio is preferably about 5 to 50 times in order to develop cushioning properties and soft touch feeling.
Particularly, about 20 to 50 times is preferable. Examples of the foaming agent include an azo foaming agent, a nitroso foaming agent, a hydrazide foaming agent, and the like, and preferably an azo or nitroso foaming agent. Specifically, they are azodicarbonamide and dinitrosopentamethylenetetramine.

As the foaming technique, a known technique can be adopted, and although it depends on the foaming agent, for example, an atmospheric pressure foaming method, a press foaming method, an extrusion foaming method, etc., which fall within the category of the foaming agent decomposition method, can be used. Can be mentioned.

As the aggregate layer forming material in the inventions of claims 1 to 3, an olefin resin such as polypropylene is mainly used. Then, in order to further increase the rigidity and heat resistance, talc, mica, whiskers, glass fibers and the like can be added.

The material for forming the sheet-like laminate of the present invention includes:
Further, if necessary, colorants such as pigments and dyes, antioxidants, ultraviolet absorbers and other additives can be used. Specific examples of the pigment include titanium oxide, iron oxide, carbon black, cyanine pigments, quinacridone pigments, and the dyes include azo dyes, anthraquinone dyes, indigoid dyes, and stellbenzene dyes. Etc. Further, aluminum flakes, metal powder such as nickel powder, gold powder, silver powder and the like may be used as the colorant. It is preferable that these materials are fine particles. For example, when using a colorant having a high hiding property, these colorants are preferably in the range of 2 to 400 parts by weight with respect to 100 parts by weight of the resin solid content.

Various functionalizing agents may be added to the sheet-like laminate of the present invention in order to impart various functions. The above-mentioned various functional-imparting agents are conductive materials, anti-condensation agents, photochromic compounds, rust preventives and the like. Furthermore, in order to improve the design of the sheet-shaped laminate, patterning such as printing may be performed. In this case, the printing is preferably provided on the adhesive resin layer rather than the surface layer.

A coextrusion molding method can be used for molding a sheet-like laminate using each of the above-mentioned resin materials, and a lamination method may be used together depending on the case. That is,
In the case of the invention according to claim 1, an intermediate sheet composed of a surface layer, an adhesive resin layer, and a base material layer is co-extruded and once wound,
Then, while rewinding the wound body, while separately extrusion-molding the aggregate layer, a method of hot melt lamination so that the aggregate layer overlaps the base material layer side of the intermediate sheet, once the aggregate layer is once formed A method of dry laminating an aggregate layer on the base material layer side of the intermediate layer using an adhesive while winding and then rewinding the wound body and separately coextruding an intermediate sheet. The method of extrusion molding etc. are mentioned.

The thickness of the sheet-like laminate thus obtained varies depending on the sheet structure based on the difference in use. For example, in the case of the invention of claim 1, the surface layer has 5 layers.
˜500 μm, adhesive resin layer 5-200 μm, base material layer 200-3000 μm, aggregate layer 500-3000 μm
It is preferable to set it to be about m.

[0029]

Since the sheet-like laminate of the invention according to claim 1 has a surface layer made of a material having a thermoplastic urethane elastomer as a main component, the sheet-like laminate has excellent contact feeling and scratch resistance. Since it has a base material layer made of a material containing a resin as a main component, excellent contact feeling is imparted to the entire sheet, and since it has an aggregate layer containing a thermoplastic resin as a main component, it is necessary. In addition to imparting rigidity within the range, shapeability by post-processing and mold-holding ability after shaping are also imparted. Further, since the forming materials of the respective layers are all unified into the thermoplastic resin system, coextrusion molding of the respective layers or the hot melt lamination method can be adopted as the molding means.

The sheet-like laminate according to the invention of claim 2 is
In the invention of claim 1, since one or both of the base material layer and the aggregate layer are made of foam, a lightweight thick sheet can be obtained, and more excellent cushioning property and contact feeling can be obtained. To be

The sheet-like laminate according to the invention of claim 3 is
In the invention according to claim 1, since the foam layer is interposed between the base material layer and the aggregate layer, the same or more effects as the invention according to claim 2 are exhibited.

The sheet-like laminate of the present invention is not only used as a covering sheet for a plastic molded article,
Needless to say, it can be used in many other applications such as packaging, decoration, and lamination with other sheets.

Further, since a material containing a thermoplastic resin as a main component is used as the material for forming the base material layer, excellent contact feeling is provided, and the aggregate layer is lined and the thermoplastic material is used as the material for forming the same. Since a resin-based material is used, rigidity is imparted within a required range, and at the same time, shapeability in post-processing and mold-holding ability after shaping are imparted.
Further, since the forming materials of the respective layers are all unified into the thermoplastic resin system, it is possible to adopt a laminating means such as coextrusion molding of each layer or hot melt lamination.

[0034]

EXAMPLES The present invention will be described in detail below based on examples.

FIG. 1 shows a schematic view of a molding apparatus used in the examples described below. The number of parts indicates the number of parts by weight in solid content. Further, in the following examples, a case of forming a sheet-like laminate having a four-layer structure of surface layer / adhesive resin layer / base material layer / aggregate layer will be described.

[Examples 1 to 3] As materials for forming each layer,
The following was used. Surface layer: Thermoplastic urethane elastomer resin (Asahi Glass Co., PN3429, A hardness according to JIS K-7215) Adhesive resin layer: Acid-modified SEBS (Asahi Kasei Co., Tuftec M1943) Base material layer: Thermoplastic olefin elastomer Resin (Mitsui Petrochemical Co., Ltd., Mirastomer 8030N) 80 parts PP blended with 20 parts PP Aggregate layer: polypropylene (Cisso F-3122)

First, as shown in FIG. 1, the surface layer molding material is fed from the extruder 1a (caliber 40φ), respectively.
Further, the adhesive resin layer molding material was extruded from the extruder 1b (diameter 50φ), fed into the feed block 2, merged therein, and the merged sheet was fed into the multi-manifold die 3. On the other hand, the material for forming the base material layer is extruded from the extruder 1c (diameter 90φ), fed into the multi-manifold die 3 via the feed block 2, and further merged with the merged sheet in the die 3 to form an intermediate sheet. It was set to 4.

The temperature control immediately after extrusion of each layer was set so that the surface layer and the adhesive resin layer = 190 ° C. and the base material layer = 230 ° C. Set temperature of die 3 at this time = 2
It was 00 ° C. Next, the intermediate sheet 4 coming out of the die
Was passed through the take-up rolls 5 and 5'which are a combination of a metal roll and a rubber roll, laminated, and wound up.

Next, as shown in FIG. 2, while extruding the aggregate layer forming material from the extruder 1d (diameter 110φ), the intermediate sheet 4 is rewound from one side to the sheet immediately after being extruded from the die 7. At the same time, the sheet-shaped laminated body S1 according to claim 1 was obtained by laminating it by passing it between separate take-up rolls 6 and 6'having the same structure as the take-up rolls 5 and 5'so that the base material layer side is in contact. . The temperature of the take-up rolls 5, 5 ', 6, 6'on the side of the metal rolls 5, 6 was controlled to be 40 ° C. Immediately after the extrusion of the aggregate layer, the temperature adjustment is 220 ° C, and the set temperature of the die 7 is 2
It was 20 ° C.

The thickness of each layer was changed as shown in Table 1 (Examples 1 to 3). The cross-sectional structure of the sheet-shaped laminate S1 of Examples 1 to 3 is shown in FIG. In the figure, 8 is a surface layer, 9 is an adhesive resin layer, 10 is a base material layer, 1
1 is an aggregate layer.

Comparative Example 1 A sheet sample having only the aggregate layer in Example 1 was prepared.

Comparative Example 2 Example 1 except that the base material layer was omitted.
A sheet sample was obtained in the same manner as in.

Example 4 A sheet-like laminate S2 according to claim 2 was obtained in the same manner as in Example 1 except that 10 g of azodicarbonamide was added per 1 kg of the aggregate layer forming material and dry blending was performed. It was

[Example 5] [0044] The same as in Example 4, except that 10 g of azodicarbonamide was added per 1 kg of each material for forming the base material layer and the aggregate layer and dry blending was performed. A sheet-shaped laminate S2 was obtained.

FIG. 4 shows a sectional structure of the sheet-like laminate S2.
Shown in (b), (c), and (d). The same figure (C) shows Example 4.
In the case of, the same (d) indicates the case of the fifth embodiment. In the figure, 10a is a base material layer made of a foam, 1
1a is an aggregate layer made of foam.

Comparative Example 3 A sheet sample was obtained in the same manner as in Example 4 except that the base material layer was not used and the aggregate layer was not foamed.

Example 6 A polypropylene type foam sheet (SPV250 manufactured by Sekisui Chemical Co., Ltd.) as a foam layer forming material.
2, thickness = 2 mm, expansion ratio = 25), and as shown in FIG. 3, as in Example 1, the first of the three-layer structure of the surface layer, the adhesive resin layer, and the base material layer. The intermediate sheet 12 is coextrusion-molded, and the second intermediate sheet 14 is heat-fused and laminated on the base material layer side of the first intermediate sheet 12 immediately after extrusion while the wound body of the foamed sheet 13 is being unwound. And

Next, by using the apparatus shown in FIG. 2, while extruding the aggregate layer forming material, the sheet immediately after being extruded,
The sheet-like laminated body S3 according to claim 3 was obtained by passing the second intermediate sheet 14 between the take-up rolls 6 and 6 ′ so that the foam layer side of the second intermediate sheet 14 was in contact with the one side.

Example 7 A polypropylene type foam sheet (SPVSM1 manufactured by Sekisui Chemical Co., Ltd.) as a foam layer forming material.
503, thickness = 3 mm, foaming ratio = 15) was used, and the thickness of the base material layer was changed, and the sheet-shaped laminate S3 according to claim 3 was obtained in the same manner as in Example 6.

Example 8 A polypropylene type foam sheet (SP150, manufactured by Sekisui Chemical Co., Ltd.) as a foam layer forming material.
2, thickness = 2 mm, foaming ratio = 15) was used, and the sheet-like laminate S3 according to claim 3 was obtained in the same manner as in Example 6 except that the thickness of the base material layer was changed. The cross-sectional structure of the sheet-shaped laminate S3 is shown in FIG. In the figure,
15 is a foam layer.

[Comparative Example 4] A polypropylene foam sheet (manufactured by Sekisui Chemical Co., SP2003, thickness = 3) was used as a foam layer forming material without using the surface layer, the adhesive resin layer and the aggregate layer.
mm, foaming ratio = 20), and a sheet sample was obtained in the same manner as in Example 6 except that the thickness of the base material layer was changed.

[Comparative Example 5] A polypropylene type foam sheet (manufactured by Sekisui Chemical Co., SP1502, thickness = 2) was used as a foam layer forming material without using the surface layer, the adhesive resin layer and the aggregate layer.
mm, foaming ratio = 15), and a sheet sample was obtained in the same manner as in Example 6 except that the thickness of the base material layer was changed.

Table 1 shows the evaluation and measurement results of the scratch resistance, contact feeling (surface hardness), rigidity, and weight ratio of the sheet-like laminates and sheet samples in each Example and Comparative Example. The evaluation method and the like are as follows.

Scratch resistance: Performed by a scratch strength test using a taper scratch tester (manufactured by Toyo Seiki Seisaku-sho, Ltd.). The load is shown by a grade, and a grade 4 or higher is regarded as a satisfying load. Grade 5 = No change in appearance observed. Grade 4 = A slight change in appearance is observed, but it is hardly noticeable. Grade 3 = Appearance change is apparent, but less noticeable. 2nd grade: The appearance changes significantly. 1st grade = The appearance change is quite remarkable.

Feeling of contact: Good feeling for practical use is ◯,
Those with a feeling that could not be put to practical use were marked with x.

Stiffness: The maximum bending load was measured in accordance with JIS J-7221, and 0.7 kg / 50 mm was used as a reference value, and those above the reference value were marked with ◯, and those below the reference value were marked with x. . However, the test speed was 50 mm / min.

Weight ratio: The converted weight with respect to 100 in Comparative Example 3 is expressed as a percentage.

[0058]

[Table 1]

As is clear from the results in Table 1, Example 1
In the case of Comparative Example 1 in which only the aggregate layer was used, the scratch resistance and the touch feeling were not satisfactory, and the base material layer was used. In the case of Comparative Example 2 lacking, naturally, the contact feeling was poor.

The samples of Examples 4 and 5 were satisfactory in all of the evaluation items, but lacked the base material layer,
In the case of Comparative Example 3 in which the aggregate layer was also a non-foamed material, the contact feeling was naturally poor.

In addition, in each of Examples 6 to 8, all the evaluation items were satisfactory, while in Comparative Examples 4 and 5 lacking the surface layer, the adhesive resin layer and the aggregate layer, It was inferior in scratch resistance and poor in rigidity.

[0062]

Since the inventions according to claims 1 to 3 are configured as described above, they are excellent in soft elasticity and scratch resistance, and are also provided with excellent contact feeling to the entire sheet. Further, it also has rigidity within a required range, shapeability by post-processing, and mold holding property after shaping. In addition, it is also possible to perform coextrusion molding of each layer and hot melt lamination by unifying all the forming materials of each layer into a thermoplastic resin system.

Therefore, there are no safety and health problems in the manufacturing process, no large-scale equipment is required, the production efficiency is good, the secondary shaping is easy, and the sheet is excellent in scratch resistance and contact feeling. It is a laminated body.

[Brief description of drawings]

FIG. 1 is a schematic view showing a part of an apparatus for manufacturing a sheet-like laminate according to the first or second aspect of the invention.

FIG. 2 is a schematic view showing another part of the above manufacturing apparatus, and also shows another part of the sheet-shaped laminated body manufacturing apparatus according to the third aspect of the invention.

FIG. 3 is a schematic view showing a part of an apparatus for producing a sheet-shaped laminate according to the third aspect of the invention.

FIG. 4 is a cross-sectional view showing an embodiment of the sheet-like laminate of the present invention, (a) is a cross-sectional view showing an embodiment of the sheet-like laminate of the present invention according to claim 1, and (b) to (d). 3) is a cross-sectional view showing an example of the sheet-shaped laminate of the invention described in claim 2, and (e) is a cross-sectional view showing an example of the sheet-shaped laminate of the invention described in claim 1.

[Explanation of symbols]

 S1, S2, S3 Sheet-like laminate 1 (a, b, c, d) Extruder 2 Feed block 3 Multi-manifold die 4 Intermediate sheet 5, 5 ', 6, 6' Take-up roll 7 Die 8 Surface layer 9 Adhesiveness Resin layer 10, 10a Base material layer 11, 11a Aggregate layer 12 First intermediate sheet 13 Foaming sheet 14 Second intermediate sheet 15 Foaming layer

Claims (3)

[Claims] 1. A surface layer containing a thermoplastic urethane elastomer as a main component, an adhesive resin layer, a base material layer containing a thermoplastic resin as a main component, and an aggregate layer containing a thermoplastic resin as a main component are laminated in this order. A sheet-shaped laminated body characterized by being obtained. 2. The sheet-shaped laminate according to claim 1, wherein one or both of the base material layer and the aggregate layer is made of a foam. 3. A surface layer containing a thermoplastic urethane elastomer as a main component, an adhesive resin layer, a base material layer containing a thermoplastic resin as a main component, a foam layer containing a thermoplastic resin as a main component, and a thermoplastic resin. A sheet-like laminated body, characterized in that an aggregate layer containing as a main component is laminated in this order.