JP2000044313A - Artificial marble or artificial marble sheet and production thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain an artificial marble excellent in flexibility so that the after processing and bending processing thereof to correspond to the deformation of a wall and a heteromorphic substrate may be carried out at the site, and further having transportability and operability. SOLUTION: The artificial marble or the artificial marble sheet is composed of a flexible resin such as an acrylic-modified vinyl ester resin, and has flexibility. The artificial marble or the artificial marble sheet 1 comprises a surface resin layer 2 and a substrate resin layer 3. The surface resin layer 2 is composed of a thermoplastic resin such as methyl methacrylate, and the substrate resin layer 3 is composed of a flexible resin 5 such as an acrylic-modified vinyl ester resin. The thickness of the artificial marble or the artificial marble sheet is 1.0-20.0 mm. An artificial marble and an artificial marble sheet-imparted bodies are obtained by attaching the artificial marble or the artificial marble sheet by sticking or fusing the one on the substrate.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an artificial marble sheet used for a wall panel around water, a wall having a curved surface, an outer periphery of a cylinder, a surface finishing material for a partition (booth) of a toilet, a floor material, a table, and the like. It is.

[0002]

2. Description of the Related Art A conventional artificial marble has a size of 10.0 to 15.0 mm in order to cope with an impact or the like as seen in an artificial marble counter obtained by curing an unsaturated polyester resin or an acrylic resin. It is a rigid body with excellent design and strength and without distortion etc. These are formed by cast molding, cast molding, and compression molding, and a mold has been developed according to a desired shape.

[0003]

A conventional artificial marble product is rigid and inferior in flexibility, which causes cracks or breakage when the product is transported or transported. In addition, since it is not possible to perform post-processing or bending work in the field in response to deformation of walls and deformed substrates with curved surfaces, artificial marble products with shapes corresponding to deformed and curved substrates with deformed surfaces, It had to be created beforehand at the factory. In addition, since these artificial marble products are odd-shaped products, labor and material costs are required for packing and transportation. Furthermore, since it is very heavy, transportability and workability are poor.

An object of the present invention is to solve the above-mentioned problems, and an object of the present invention is to provide an artificial marble product which is excellent in flexibility, does not cause breakage, etc., is lightweight, and has good transportability and workability. Is to provide.

[0005]

SUMMARY OF THE INVENTION The present invention is a soft artificial marble or artificial marble sheet made of a soft resin such as an acrylic-modified vinyl ester resin. The artificial marble or artificial marble sheet comprises a surface resin layer and a base resin layer. The base resin layer is made of a soft resin such as an acrylic-modified vinyl ester resin. Fillers and / or pigments having an average particle size of 200 to 500 microns are added to the resin. When the filler is inorganic, the surface can be treated with a silane-based surface treatment agent. The content ratio of the filler to the resin is 65 to 80 parts by weight based on 20 to 35 parts by weight of the resin.

The surface resin layer is a transparent layer made of a thermoplastic resin such as methyl methacrylic resin and having a thickness of 10 to 5000 microns. The thickness of the artificial marble or the artificial marble sheet is set to 1.0 to 20.0 mm. The artificial marble or the artificial marble sheet is adhered or fused to a base such as a building frame or a panel to obtain an artificial marble sheet applied body. Also, artificial marble or artificial marble sheet is sprayed or cast with a spray gun on the mold,
It is obtained by laminating a soft resin layer and a base resin layer, followed by curing.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the embodiment of the present invention, a flexible artificial marble sheet 1 having the structure shown in FIG. 1 and an artificial marble sheet 1 having the structure shown in FIG. Is the artificial marble sheet-provided body 10 obtained by

The structure of the artificial marble sheet 1 will be described with reference to FIG. The artificial marble sheet 1 includes a surface resin layer 2 and a base resin layer 3. The thickness of the artificial marble sheet 1 is
1.0 to 5.0 mm. The surface resin layer 2 has a thickness of 5
A transparent acrylic sheet 4 of 0 to 500 microns is used. The transparent acrylic sheet 4 of the surface resin layer may be a thermoplastic resin, and is preferably a resin mainly composed of methyl methacrylic resin. Further, when a design property is required, it is preferable to make the surface resin layer transparent.

The base resin layer 3 includes a soft resin 5 and a filler 6
Is used, 26 parts of acrylic-modified vinyl ester resin 7 is used for the soft resin 5, 36 parts of glass powder, 36 parts of colored stone,
2 parts of slag and 0.3 part of hardener are used. As the colored stone 8, a colored hydrated stone treated with a silane-based surface treatment agent, a volatile agent, and a pigment on the surface of a hydrated stone having an average particle diameter of 200 to 500 microns is used. The resin constituting the base resin layer is not limited to this embodiment, and may be any soft resin. The filler is not limited to this example, but in the case of an inorganic filler, it is preferable to use a silane-based surface treatment.

Next, a method for manufacturing the artificial marble sheet 1 will be described with reference to FIG. As shown in FIG. 2, a transparent acrylic sheet 4 having a thickness of 50 to 500 microns is placed below, and an acrylic-modified vinyl ester resin 7 is sprayed thereon from above by a spray gun, and immediately thereafter, a colored stone 8 is sprayed. Spray with a gun. Then, at 40 ° C to 70 ° C, 15
Heating and curing for ~ 60 minutes to create artificial marble sheet 1. By spraying the colored stones 8 with a spray gun before the acrylic-modified vinyl ester resin 7 is not cured, the colored stones 8 are mixed into the acrylic-modified vinyl ester resin 7 by the air pressure of the spray gun.

The production method is not limited to this, and a spray gun of the acrylic-modified vinyl ester resin 7 and the colored stone 8 is used.
The artificial marble sheet 1 may be prepared by applying the mixture onto the transparent acrylic sheet 4 while simultaneously spray-mixing near the tip of the spray gun, and then curing the mixture.

The artificial marble sheet 1 thus obtained is
As shown in FIG. 3, an artificial marble panel 10 was formed by attaching an adhesive to a calcium silicate plate 9 as a backup material. The artificial marble panel 10 is used by being attached to a wall 11 with an adhesive or the like. As another example of use, as shown in FIG. 4, the artificial marble sheet 1 can be bent on a column 12 having a column shape, such as a station, in accordance with the column shape. The artificial marble sheet 1 can be wound up and stored so that it does not take up space, and since it is lightweight on site, has good transportability and can supply artificial marble products by simple work on site.

Another embodiment of the present invention is a wash counter 21 made of artificial marble having the flexibility shown in FIG. As shown in the enlarged view of FIG. 5B, the wash counter 21 which is a flexible artificial marble having the configuration shown in FIG. 5A is composed of a surface resin layer 22 and a base resin layer 23. I have. The thickness of the washing counter 21 is 5.0 to 2
0.0 mm. The surface resin layer 22 has a thickness of 50 to 5
00 micron transparent soft unsaturated polyester resin 25
Is used. The transparent soft unsaturated polyester resin 25 of the surface resin layer is not limited to this, but may be any soft thermosetting resin. Further, when a design property is required, the surface resin layer may be made transparent, colored, or partially divided.

As in the previous embodiment, the base resin layer 23 has
Synthetic resin 15 in which filler 6 is mixed with soft resin 5 is used. 26 parts of acrylic-modified vinyl ester resin 7 is used for soft resin 5, and glass powder 36 is used for filler 6.
Parts, 36 parts of colored stone, 2 parts of slag, and 0.3 part of hardener. As the colored stone 8, a colored hydrated stone treated with a silane-based surface treatment agent, a volatile agent, and a pigment on the surface of a hydrated stone having an average particle diameter of 200 to 500 microns is used. The resin constituting the base resin layer is not limited to this embodiment, and may be any soft resin. The filler is not limited to this example, but in the case of an inorganic filler, it is preferable to use a silane-based surface treatment.

Next, a method of manufacturing the wash counter 21 will be described with reference to FIGS. As shown in FIG. 6, a transparent unsaturated polyester resin 25
The mixture is sprayed with a spray gun so as to have a thickness of 0 to 500 μm, defoamed at room temperature, and then heated at 65 ° C. for 40 minutes for curing.

After the transparent unsaturated polyester resin 25 is semi-cured or completely cured, 36 parts of glass powder, 36 parts of colored cold water
Parts, 2 parts of slag, and 0.3 part of a curing agent were mixed to prepare a base material, and as shown in FIG.
5 is filled into the cavity mold 13 from above. After the base material is filled, the cavity mold 13 is covered with the core mold 14 as shown in FIG. After curing at room temperature, as shown in FIG. 9, the core mold 14 is removed, and the product is released from the mold by blowing air into the mating surface.
After curing by heating at 1.5 ° C for 1.5 hours, wash counter 2
1 is obtained.

[0017]

According to the present invention, a soft resin is used as a resin material.
An artificial marble or an artificial marble sheet having excellent flexibility can be obtained. Thereby, when transporting or transferring the product, cracks and breakage can be prevented. In addition, there is no need to create an artificial marble product with a shape corresponding to a deformed substrate with a deformed or curved surface at the factory in advance, and post-processing and bending processing can be performed on site, corresponding to deformation of walls and deformed substrates. You can create natural artificial marble products. In addition, since the labor and material costs required for packaging a deformed product are eliminated and the weight is light, an artificial marble or an artificial marble sheet having good workability and transportability can be obtained.

By forming a transparent layer, a product can be formed with a depth, so that the design is high and the stain resistance is also good. Further, by containing a filler or the like, it becomes possible to form an artificial marble pattern and to reinforce the strength. The deformed mold is not required, and the artificial marble sheet can be obtained by the conventional simple manufacturing method. In addition, since the casting device having the conventional specification can be used, the equipment cost can be reduced.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of an artificial marble sheet 1 according to an embodiment of the present invention.

FIG. 2 is a view showing the production of the artificial marble sheet 1.

FIG. 3 is an artificial marble sheet applying material 10 and an example of its use.

FIG. 4 Example of use of artificial marble sheet 1

FIG. 5 is a wash counter 21 according to another embodiment of the present invention.
Configuration diagram

FIG. 6 is a process diagram for forming a surface resin layer of the wash counter 21;

FIG. 7 is a process diagram of forming a base resin layer of the wash counter 21;

FIG. 8 is a diagram showing a mold assembly process of the sink 21;

FIG. 9 is a demolding process diagram of the washing counter 21.

[Explanation of symbols]

 1: Artificial marble sheet 21: Wash counter 2, 22: Surface resin layer 3, 23: Base resin layer 4: Transparent acrylic sheet 5: Soft resin 6: Filler 7: Acrylic modified vinyl ester resin 8: Colored stone 9: Calcium silicate plate 10: Artificial marble sheet applying material 11: Wall 12: Column 13: Cavity type 14: Core type 15: Synthetic resin 25: Soft unsaturated polyester resin

Continuing on the front page F-term (reference) 4F071 AA28 AA28X AA33 AA33X AB28 AB30 AB32 BB13 BC01 BC09 4F100 AC10B AG00B AK01A AK01B AK25A AK44A AL06B AT00C BA02 BA03 BA07 BA10A BA10C BA13 CA02 J13 EC13B13 J13 EC23B08 J01 JK17 JN01A YY00 YY00B

Claims (25)

[Claims] 1. An artificial marble or an artificial marble sheet having flexibility. 2. The artificial marble or artificial marble sheet according to claim 1, wherein the artificial marble sheet is made of a soft resin. 3. The artificial marble or artificial marble sheet according to claim 1, wherein the artificial marble sheet is made of an acrylic-modified vinyl ester resin. 4. The artificial marble or artificial marble sheet according to claim 2, wherein a filler and / or a pigment is added to said resin. 5. The artificial marble or artificial marble sheet according to claim 1, comprising a surface resin layer and a base resin layer. 6. The artificial marble or artificial marble sheet according to claim 5, wherein said surface resin layer is made of a thermoplastic resin. 7. The artificial marble or artificial marble sheet according to claim 5, wherein said surface resin layer is mainly composed of methyl methacrylic resin. 8. The surface resin layer has a thickness of 10 to 5000.
8. A micron according to claim 5, wherein
An artificial marble or an artificial marble sheet according to any one of the above. 9. The artificial marble or artificial marble sheet according to claim 5, wherein the surface resin layer is a transparent layer. 10. The artificial marble or artificial marble sheet according to claim 5, wherein the resin constituting the base resin layer is made of a soft resin. 11. The artificial marble or artificial marble sheet according to claim 5, wherein the resin constituting the base resin layer is made of an acrylic modified vinyl ester resin. 12. The method according to claim 5, wherein a filler and / or a pigment is added to the resin constituting the base resin layer.
An artificial marble or an artificial marble sheet according to any one of claims 1 to 11. 13. The filler has an average particle size of 200 to 50.
13. The artificial marble or artificial marble sheet according to claim 4, wherein the artificial marble is 0 microns. 14. The method according to claim 4, wherein said filler is an inorganic filler.
An artificial marble or an artificial marble sheet according to any one of the above. 15. The artificial marble or artificial marble sheet according to claim 14, wherein the inorganic filler is colored stone whose surface is treated with a silane-based surface treating agent, a volatile agent, and a pigment. 16. The artificial marble or artificial marble sheet according to claim 1, wherein said artificial marble or artificial marble sheet has a thickness of 1.0 to 20.0 mm. 17. The content ratio of the resin and the filler added to the resin is 20 to 35 parts by weight of the resin,
The artificial marble or the artificial marble sheet according to any one of claims 4 and 12 to 15, wherein the amount is from 80 to 80 parts by weight. 18. An artificial marble characterized in that the artificial marble or the artificial marble sheet according to any one of claims 1 to 17 is adhered or fused to a base such as a building frame or a panel. Artificial marble sheet application. 19. The artificial marble or artificial marble sheet application according to claim 18, wherein the artificial marble or artificial marble sheet application object is attached to a base such as a building frame or a panel with an adhesive. body. 20. The soft resin is laminated on a mold, or
The method for producing an artificial marble or an artificial marble sheet according to any one of claims 1 to 4, wherein the soft resin is cured after being filled in a mold. 21. The method according to claim 1, wherein the soft resin and the filler are applied onto the mold while being simultaneously spray-mixed with a spray gun, and then cured. 3. The method for producing an artificial marble or an artificial marble sheet according to item 1. 22. The artificial marble according to claim 1, wherein the mold is filled with a mixture of the soft resin and a filler and then cured. Manufacturing method. 23. The method according to claim 23, wherein the resin constituting the surface resin layer is formed in a sheet shape, the resin constituting the base resin layer is laminated on the surface, and then cured. A method for producing an artificial marble or an artificial marble sheet according to any one of claims 5 to 17. 24. After forming the resin constituting the surface resin layer into a sheet, the resin constituting the base resin layer and the filler are simultaneously spray-mixed on the surface with a spray gun. The method for producing an artificial marble sheet according to any one of claims 5 to 17, wherein the coating is cured after being applied. 25. A resin formed in a sheet shape constituting the surface resin layer is provided in the mold, and the surface is filled with a mixture of the soft resin and a filler. rear,
The method for producing artificial marble according to claim 5, wherein the artificial marble is cured.