KR101082194B1 - Stone decorative material having improved stain resistance - Google Patents

Abstract

The present invention relates to a building decorative material that greatly improves the fouling resistance by surface treatment of a fluorine- or silica-based material on inorganic materials such as natural stone and artificial marble.

In addition, the present invention is bonded to the back surface of the thin stone is made of a material such as aluminum, iron, copper, tin, zinc alone or plated or alloyed with other metal plate, other metal plate, and other On the back, organic materials such as polyvinyl chloride, polyethylene, polypropylene, polyester, polyamide, polystyrene, polyurethane series, wooden boards such as floorboards, sawdust and veneers, or boards made of cement concrete, calcium silicate and magnesium, ceramics The present invention relates to a stone decorative material in which an inorganic material such as a tile is bonded alone or in mixture.

Pollution Resistance, Stone Decoration, Natural Stone, Surface Treatment

Description

Stone decorative material having improved stain resistance

The present invention relates to a decorative material using a stone, such as natural stone, and more particularly, to a stone decorative material having excellent pollution resistance by fundamentally solving a pollution problem, which is one of the biggest complaints of customers.

In addition, the present invention is to adhere to the base plate of the metal plate and organic and inorganic materials to strengthen the durability after turning the stone, such as marble thinly, to supplement the strength to the fragile stone, give economical to expensive marble, and at the same time lightweight It relates to a stone decorative material made easy to handle by.

Recently, as income levels rise and consumers' awareness of interiors increases, interest in building interior materials is increasing. Accordingly, the frequency of using decorative materials applied with natural stones such as marble and granite is increasing.

However, natural stone, such as marble, is expensive, and it is too heavy to be treated as a decorative material. In addition, the hardness is large, but the elasticity is not easy to break the impact has the disadvantage.

Therefore, in order to construct marble as a decorative material for construction, construction cost is high in addition to marble itself, construction is very inconvenient and difficult, and there is always a possibility that it is easily damaged by impact even in use.

For this reason, a marble tile product of a marble and ceramic tile is developed and used. Although the light weight part has been solved to some extent, quality problems such as cracking and peeling of the marble layer continue to be a problem.

Korean Utility Model Registration No. 285919 consists of a continuous truss-shaped frame structure in which a triangular space portion is formed by bending and welding a thin steel plate to form a metal panel, and applying an adhesive to the upper surface of the panel. A thin natural stone panel is attached, and a natural stone panel is characterized in that an attachment hole for wall attachment is formed on a rear surface of a metal panel.

Republic of Korea Patent No. 690074 is a multi-layer building prefabricated panel, the surface layer is composed of a mixture of natural stone grains and binder is fixed, and then formed by grinding the natural stone grain layer, the prefabricated panel is an assembly member insertion hole Formed, there is disclosed a building prefabricated panel using natural stone, characterized in that the height adjustment assembly member is installed in the assembly member insertion hole.

Korean Utility Model Registration No. 430162 discloses a natural stone panel having a plurality of micro crevices, wherein the micro crevices are filled with calcium carbonate in which antimicrobial nanoparticles are dispersed. It is.

On the other hand, since the appearance provided by natural stone is very beautiful, it is contaminated so easily, and decontamination is very difficult, so it is difficult to maintain and manage.

In particular, natural stone decorative materials are widely applied to kitchens and living rooms, so kimchi broth, coffee, magic, and ballpoint pens are likely to come into contact with each other. As a result, the beautiful appearance effect of natural stone is often reduced to offend users.

Since most natural stone decorative materials are produced without any pollution control, there is a desperate need for continuous maintenance after installation of the product, which requires considerable effort and cost.

Therefore, it is expected that significant savings in time, effort and cost for maintenance can be expected if there is a natural stone decorative material that has been improved in surface resistance before the natural stone decorative material is installed, that is, at the manufacturing stage.

Korean Patent Registration No. 245582 discloses a substrate having a surface provided with water repellency and oil repellency, treated with a fluorochemical composition comprising a mixture of compounds which are solid under standard conditions and are fluoroaliphatic esters of dimeric and / or trimeric acids. A product comprising: the compounds each having a hydrocarbon moiety having at least two fluoroaliphatic groups and at least 30 carbon atoms, or having at least one fluoroaliphatic group and a plurality of said hydrocarbon moieties, wherein the substrate is woven , Paper, carpet, leather or stone are disclosed.

Japanese Patent No. 2525311 discloses a water-repellent, antifouling stone in which a chemical adsorption film having a thickness of nanometer to angstrom level using a siloxane bond and containing an fluorinated alkyl group is provided on the surface of the stone.

Korean Patent Registration No. 142148 discloses 1,1,1-trimethoxy-3-aryl-1-silabutane, methyltrimethoxysilane and N- (2-aminoethyl) -3-aminopropyltrimethocysilane A water-soluble water repellent composition for surface treatment of a porous building stone containing in a molar ratio of 1: 9: 10 to 1:19:20 is disclosed.

An object of the present invention is to provide a stone decorative material that can easily remove the contaminants and traces thereof even if the surface is contaminated by various contaminants by using a fluorine or silicate surface treatment agent on the surface of the stone such as natural stone.

Another object of the present invention is to provide a stone decorative material that is much lighter and cheaper than natural marble, and can be constructed using an adhesive.

Still another object of the present invention is to provide a stone decorative material having improved strength by greatly improving the cracking property of the stone due to impact during construction or use.

Another object of the present invention is to provide a stone decorative material having a more colorful and magnificent appearance by increasing the size because it is lightweight and easy to handle because the strength is reinforced.

The present invention provides a stone decorative material comprising a stone treated with a silicate-based or fluorine-based water repellent to the surface in order to achieve the above object.

In the present invention, the stone is a natural stone such as marble, granite, or an artificial stone such as artificial marble.

The stone decorative material of the present invention may be made of only natural stone or artificial marble layer alone, or inorganic materials such as cement concrete, calcium silicate board, magnesium board, ceramic tile, magnetic tile, etc .; Polyvinyl chloride, polyethylene, polypropylene, polyester, polyamide, polystyrene, polyurethane, polycarbonate-based organics, or foams made of these materials; Wood such as floorboards, sawdust and veneers; And a reinforcement material in which these materials are singly or mixed among materials, such as a metal in which the materials, such as aluminum, iron, copper, tin, and zinc are single or plated or alloyed, can be introduce | transduced.

The stone decorative material of the present invention may be made of a laminated structure of three or more layers including a stone, a metal plate and a base material.

In the present invention, the final thickness of the stone layer is preferably 0.5 to 10 mm, particularly 3 to 5 mm. The thicker the stone layer, the less the effect of weight reduction, and too thin will significantly reduce its strength.

Stone decorative material according to an embodiment of the present invention is a metal plate attached to the back surface of the stone, the substrate is attached to the other back surface of the metal plate.

In the stone decorative material according to another embodiment of the present invention, a substrate is attached to the back of the stone, and a metal plate is attached to the other back of the substrate.

Stone decorative material according to another embodiment of the present invention is a metal plate attached between the stone and the substrate, the metal plate is attached to the lower surface of the substrate.

Among these three structures, the insertion of the metal sheet between the stone layer and the substrate has the effect of supplementing the stone strength and minimizing the cost, and preventing the metal plate from being exposed and preventing oxidative corrosion.

In the present invention, the substrate is an inorganic material selected from cement concrete, calcium silicate board, magnesium board, ceramic tile, magnetic tile; Non-foamed or foamed selected from polyvinyl chloride, polyethylene, polypropylene, polyester, polyamide, polystyrene, polyurethane, polycarbonate; And wood selected from floorboards, sawdust and veneers may be made singly or mixed.

It is preferable to use polyvinyl chloride among the above-mentioned base materials, and by using this, the scattering of the stone by the impact can be prevented and the shock can be absorbed. The thickness of the reinforcing substrate may be applied in a thickness of several to several tens of millimeters depending on the weight reduction and the degree of impact compensation, and the preferred substrate thickness is 1 to 5 mm.

In the present invention, the metal plate may be made of a metal selected from aluminum, iron, copper, tin, zinc alone, or plated or alloyed.

It is preferable to use a composite metal plate in which zinc or tin is plated for the purpose of preventing corrosion on an iron material having excellent strength among various metal materials. The metal sheet may also be applied in a thickness of 0.01 to several mm depending on the weight reduction, strength reinforcement, and workability, and the preferred thickness is 0.1 to 0.5 mm.

In addition, the present invention comprises the steps of attaching the metal plate and the base material on both sides of the stone; Cutting the stone in the horizontal direction (same direction as the surface), dividing and polishing the cut surface; And treating the surface of the stone with a silicate-based or fluorine-based water repellent.

In the manufacturing method of the present invention, after attaching the metal plate on both sides of the stone, the base material may be attached to both sides of the metal plate, or the base plate may be attached to both sides of the stone, and then the metal plate may be attached to both sides of the base material. The metal plate and the base material may be attached first, and then attached to both sides of the stone. In addition, after dividing the stone in the horizontal direction, the metal plate and the base material is again attached to the cut surface of the stone, and then the process of dividing by cutting again may be repeated.

The stone decorative material of the present invention is significantly improved pollution resistance, and can save the effort and cost required for maintenance, and compared to the natural marble has the effect of light weight, strength and ease of handling, and the production of large panels It is possible to exhibit the effect of enhancing the appearance.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is an exploded perspective view of a stone decorative material according to an embodiment of the present invention, the stone decorative material of this embodiment is from above the stone 10, the adhesive layer 40, the metal plate 20, the adhesive layer 40, the substrate 30 It is composed of

Figure 2 is an exploded perspective view of a stone decorative material according to another embodiment of the present invention, the stone decorative material of this embodiment is from above the stone 10, the adhesive layer 40, the base material 30, the adhesive layer 40, the metal plate 20 It consists of

Stone decorative material according to another embodiment of the present invention is a metal plate attached between the stone and the substrate, the metal plate is attached to the lower surface of the substrate (not shown). That is, it consists of a stone, an adhesion layer, a metal plate material, an adhesion layer, a base material, an adhesion layer, and a metal plate material from the top.

The stone decorative material having improved stain resistance according to the present invention is coated with a fluorine- or silicate-based compound or other surface treatment agent on the stone surface of the decorative material into which various kinds of stones such as natural stones are introduced to improve the fouling resistance by exerting the effects of water and oil repellency. It is characterized by.

In addition, the stone decorative material according to the present invention inserts the metal plate 20 between the stone 10 and the base material 30 of the organic, inorganic and / or wood material, or between the stone 10 and the metal plate 20 It is characterized in that the above-described substrate 30 is introduced.

The stone 10 may be a natural stone such as marble, granite, or artificial stone such as artificial marble. Stone, such as natural stone used in the manufacture of stone decorative material is a stone blade having a thickness of about 20 to 30mm by saw blades, so the thickness is preferably 0.5mm to about 10mm thick, but is limited to here It is not. In particular, the final thickness of the stone is preferably 3 to 5 mm.

The stone 10 is surface treated to improve fouling resistance, and the surface treating agent is a particle of nano-sized fluorine- or silicate-based compound introduced into a solvent, and when the surface of the stone 10 is coated, the surface of the stone 10 is coated. Since the tension is significantly lowered, water or contaminants having a relatively high surface tension may not be attached even if they are in contact with the surface of the stone 10 and may be easily removed.

The metal plate 20 may be made of a metal selected from aluminum, iron, copper, tin, and zinc alone, or plated or alloyed. For example, an iron plate plated with zinc can be used.

As the substrate 30, an inorganic material, a synthetic resin material, wood, or the like may be used, and these may be used alone or in combination. As inorganic material, cement concrete, calcium silicate board, magnesium board, ceramic tile, magnetic tile can be used, and synthetic resin material can be polyvinyl chloride, polyethylene, polypropylene, polyester, polyamide, polystyrene, polyurethane, Non-foamed or foamed products, such as polycarbonate, may be used, and wood, floorboards, sawdust, veneers, and the like may be used.

The adhesive layer 40 is composed of an adhesive agent alone or mixed with epoxy, urethane, and acrylic adhesives.

Referring to the method of manufacturing a stone decorative material using an example of applying marble, first, a metal sheet is attached to the both sides of a 20-30 mm thick gemstone alone or mixed with an epoxy-based, urethane-based and / or acrylic-based adhesive, and the adhesive is cured. Allow to dry thoroughly. Again, the base plate of organic, inorganic and / or wood materials is attached to the metal plates on both sides by using the above adhesive, and then dried sufficiently. Then, using a circular saw, belt saw, or water jet equipment, turn on the center of the marble layer to divide the product, and then finely grind the surface of the cut marble to adjust the thickness of the product at the same time. It gives gloss, adjusts to the desired size as it goes through the sawing process and the sides of the product.

In the process of manufacturing the stone decorative material, the stone and the substrate may be adjusted to have a constant thickness by grinding the surface before attaching, and the order of attachment of each component may also be attached to the substrate after attaching the metal plate to the substrate first.

According to another embodiment, the stone decorative material may be prepared by attaching a substrate to both sides of the stone, and then attaching a metal plate to the back surface of the substrate, and turning the center stone part with a saw blade and then treating the surface. .

In addition, in the manufacturing process of the stone decorative material, by attaching each component on both sides of the stone and then repeating the process of attaching and cutting the metal plate and the substrate again on the cut surface generated by cutting the stone, two or more in one stone Stone decoration can also be manufactured.

Example 1

On the surface of the natural marble that was not surface-treated, a surface treatment agent made of a nano-sized silicate compound was applied and sufficiently dried.

[Example 2]

After applying a stone epoxy adhesive on both sides of natural marble 600 mm long, 2400 mm long and 20 mm thick, attaching a 0.3 mm thick iron plate plated with zinc, and drying sufficiently for about 24 hours. After the epoxy adhesive was applied to the other side of the metal plate again, a polyvinyl chloride base material having a thickness of 3 mm, which is widely used as a commercial flooring material, was attached and dried sufficiently. After passing through a fixed circular saw blade, the natural marble part was turned on to nourish. Each cutting surface was ground with a grinder, and the final thickness of the natural stone layer was 4-5 mm, polished to a desired size using a diamond saw blade, and a surface treatment agent composed of nano-sized silicate compounds on the marble surface. It was applied and dried sufficiently.

Comparative Example 1

Marble tiles of the same type as the embodiment without any surface treatment

Comparative Example 2

20mm thick marble

[Remarks Example 3]

Universal marble tile bonded with 3mm marble and 8mm tile

[Test Example 1]

Table 1 is a result of measuring the contact angle when the distilled water is used as a solvent for the stone decorative material of Example 1 and Comparative Example 1, briefly explaining the measurement method, by dropping a drop of water on each specimen using a small syringe The shape of the water droplets condensed with water was magnified under a microscope, and the angle formed with the marble surface at the critical points of the left and right ends of the water droplets was measured by a computer program.

Psalter Left part Right side Average Comparative Example 1 75.73˚ 73.95˚ 74.84˚ Example 1 88.72˚ 82.41˚ 85.56˚

As shown in Table 1, it can be seen that the contamination resistance is improved by considering that the contact angle is larger when the surface treatment is performed.

[Test Example 2]

Table 2 shows the presence of contaminants on the surface by introducing the pollutants easily accessible at home for the stone decorative material of Example 1 and Comparative Example 1 and left for 24 hours and then washing with ethanol solvent. One result.

Contaminants Magic Pen Bitumen coffee Comparative Example 1 Not erased Not erased Not erased Not erased Example 1 Removed Removed Removed Removed

As shown in Table 2, the stain resistance improvement of the stone decorative material of Example 1 can be confirmed.

[Test Example 3]

Table 3 is a result of measuring the impact strength of the stone decorative materials of Example 2 and Comparative Examples 2 and 3 based on KS F 2221. Briefly described the test method, the sand prescribed in KS L 5100 is thickly stacked, After stacking the test specimens on it, the force of the branch weighing 500g was dropped from the height of 50cm to observe whether the specimens were broken.

Specimen Type Comparative Example 2 Comparative Example 3 Example 2 result Destroyed Destroyed clear

As shown in Table 3, Comparative Examples 2 and 3 were completely destroyed when dropping the weight at the height of 50cm, Example 2 can be confirmed that the impact strength is remarkably improved even if dropping the weight at the height of 100cm. .

1 is an exploded perspective view of a stone decorative material according to an embodiment of the present invention.

2 is an exploded perspective view of a stone decorative material according to another embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

10: stone

20: metal sheet

30: description

40: adhesive layer

Claims (13)

A stone decorative material comprising a stone having a final thickness of 0.5 to 10 mm of a stone treated with a silicate or fluorine-based water repellent on its surface. The stone decorative material according to claim 1, wherein the stone is natural stone or artificial stone. The stone decorative material according to claim 1, wherein the stone decorative material has a laminated structure of three or more layers including a stone, a metal plate, and a base material. delete The stone decorative material according to claim 3, wherein a metal plate is attached to the back surface of the stone, and a base material is attached to the other back surface of the metal plate. 4. The stone decorative material according to claim 3, wherein a base material is attached to the back surface of the stone and a metal plate material is attached to the other back surface of the base material. The natural stone composite panel according to claim 3, wherein a metal plate is inserted between the natural stone and the base, and a metal plate is attached to the lower surface of the base. The method of claim 3, wherein the substrate is an inorganic material selected from cement concrete, calcium silicate board, magnesium board, ceramic tiles, magnetic tiles; Non-foamed or foamed selected from polyvinyl chloride, polyethylene, polypropylene, polyester, polyamide, polystyrene, polyurethane, polycarbonate; And stone decorative material, characterized in that the wood selected from the floorboard, sawdust, veneers alone or mixed. The stone decorative material according to claim 3, wherein the metal sheet is made of a metal selected from aluminum, iron, copper, tin, and zinc alone, or is plated or alloyed. Attaching a metal plate and a substrate to both sides of the stone; Cutting the stone in the horizontal direction to nourish and polishing the cut surface; And A method for producing a stone decorative material comprising the step of treating the surface of the stone with a silicate-based or fluorine-based water repellent. The stone according to claim 10, wherein the metal plate is attached to both sides of the stone and then the base material is attached to both sides of the metal plate, or the metal plate is attached to both sides of the base material after the base material is attached to both sides of the stone. Method of making decorative materials. The method of manufacturing a stone decorative material according to claim 11, wherein the metal plate and the substrate are first attached and then attached to both sides of the stone. The method of claim 10, wherein after dividing the stone in the horizontal direction, the step of attaching the metal plate and the substrate to the cut surface of the stone again, and then cutting again and dividing the stone is repeated.

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