KR101034315B1 - Filling materials for artificial turf and artificial turf - Google Patents

Abstract

The present invention, in the artificial turf filling material to be filled in the artificial turf, chaff and the chaff ground tangled with the chaff to prevent the chaff from floating in the water, and the chaff and the chaff ground load And a base material having ocher for stabilizing the chaff and the ground crushed product, and the base material is soaked in the base material to prevent dust from being generated from the base material. It provides a filler for artificial turf comprising a diluted resin emulsion and artificial turf using the same.

Therefore, since the water content of the rice hull is excellent, even if a person slips on the artificial turf, the risk of burn is greatly reduced. Since the chaff is an environmentally friendly material, there is an advantage that the environmental pollution does not occur at the source.

The ocher prevents the growth of mold, generates far-infrared rays, and has a beneficial effect on the human body. Moreover, since the ocher inhibits the development of atopy, infants and children can act on the artificial turf without worrying about atopy. The loess is nonflammable, so the flammability of the filler is reduced. Furthermore, since the diluted resin emulsion prevents dust from being generated from the base material, dust is prevented from entering the human body through the respirator, and generation of static electricity is also suppressed.

Description

Filling materials for artificial turf and artificial turf}

The present invention relates to a filler for artificial turf and artificial turf, and more particularly to a filler for artificial turf and artificial turf in which dust generation is reduced.

In recent years, outdoor activities of infants and children are encouraged, and more and more cases of artificial turf have been installed in schools or apartment complexes. The general method of installing artificial turf is as follows. After placing artificial turf on ready-mixed concrete or rubble, silica sand is poured between the artificial turf to fix the artificial turf. Thereafter, the filler is laid on the silica sand so that the artificial turf is buried in the filler.

As the filler, rubber chips are generally used. The rubber chip is pulverized by sunlight or the like to generate crushed powder. The crushed powder is accumulated on the floor and blown around, breathing into the bronchus of the infant or children, there is a problem that damages the health. In addition, the rubber chip not only generates a large amount of frictional heat, but also has a low moisture content, so that the rubber chip has a high risk of burns when the user slips.

An object of the present invention is to provide a filler for artificial turf and artificial turf in which dust generation is reduced.

The present invention, in the artificial turf filling material to be filled in the artificial turf, chaff and the chaff ground tangled with the chaff to prevent the chaff from floating in the water, and the chaff and the chaff ground load And a base material having ocher for stabilizing the chaff and the ground crushed product, and the base material is soaked in the base material to prevent dust from being generated from the base material. It provides a filler for artificial turf comprising a diluted resin emulsion.

In the present invention, in the base material, the chaff is 50 to 80% by weight, the ground grits are 10 to 30% by weight, the loess may be 5 to 25% by weight. At this time, the diluted resin emulsion may be formed by mixing 10 to 50% by weight of the resin emulsion stock solution and 50 to 90% by weight of water.

In addition, in the present invention, the artificial turf filler may further include an antimicrobial material to prevent the corruption of the base material. In this case, the antimicrobial material may include one selected from the group consisting of a photocatalytic material, a gold nano material and a silver nano material. The antimicrobial material may be coated on the base material.

Artificial grass filling material and artificial turf of the present invention has the following effects.

First, because chaff is used, it is eco-friendly and harmless to the human body. In addition, since the water content of the rice hull is excellent, even if a person slips on the artificial turf, the risk of burn is greatly reduced. Since the chaff has a low temperature rise, the artificial turf may be used without a risk of burn even in summer or when the usage time is long. The chaff also has excellent buffering properties.

Secondly, when the rain or a large amount of water penetrates the artificial turf filling material, the ground turf is prevented from being entangled with the chaff to prevent the chaff from floating in the water, thereby preventing the artificial turf from being damaged by water. .

Third, the ocher prevents the growth of mold, generates far infrared rays, and has a beneficial effect on the human body. Moreover, since the ocher inhibits the development of atopy, infants and children can act on the artificial turf without worrying about atopy. In addition, the loess is nonflammable, so the flammability of the filler is reduced.

Fourth, since the diluted resin emulsion prevents dust from being generated from the base material, dust is prevented from entering the human body through the respirator. In addition, there is an effect of suppressing the generation of static electricity.

Fifth, when the antimicrobial material is included, the filler is prevented from decaying or generating harmful substances.

1 is a cross-sectional view showing a state in which the artificial turf filler (hereinafter referred to as "filler") is installed in accordance with an embodiment of the present invention. Referring to FIG. 1, the artificial turf 110 is stacked on the ground 120, and the silica sand 130 is scattered between the artificial turf 110 so that the artificial turf 110 is stable on the ground 120. Fixed to, and functions to erect the grass of the artificial turf. The filler 100 is sprinkled on the silica sand 130, it is in a state sprayed between the artificial turf (110). Thus, except for a portion is covered by the filler 100 of the artificial turf (110).

Hereinafter, the filler 100 will be described in more detail.

The filler includes a base material, a diluted resin emulsion and an antimicrobial material. The mass ratio of the base material and the antimicrobial material may be set in various ways. The base includes rice hulls, ground flakes and loess. In the base material the chaff has 50 to 80% by weight. The chaff has a smaller floating property than water in general. In particular, in the present embodiment, the chaff may be formed of the expanded chaff. The swollen rice husk has a somewhat higher water absorption rate and water absorption than a general rice husk.

The rice hull absorbs some of the moisture penetrated from the artificial turf. Therefore, since the weight of the chaff increases, the problem that the chaff floats in water and moves to the sewer or the like is reduced.

The chaff not only absorbs the moisture penetrated from the artificial turf, but also drains well to prevent water from pooling on the artificial turf. As described above, in order to prevent the chaff from floating in the water and to facilitate drainage, the grain size of the chaff is 1 to 4 mm, preferably 2 to 3 mm.

The chaff is very buffering. Therefore, when a person falls over the artificial turf, the person buffers the force colliding with the artificial turf, thereby preventing the person from being injured.

The chaff is also known to emit far infrared rays. In particular, considering that the artificial turf is installed in a sunny space, the far-infrared ray generation amount increases in summer. In addition, since the chaff is slow to catch fire, damage can be minimized in the event of a fire. In addition, since the chaff has a property of not easily decaying, the possibility of decay is very low even when used for a long time.

The chaff is a natural material that is harmless to humans and environmentally friendly, and can be used as a fertilizer when disposed of, as well as easily removed by incineration. The chaff does not generate a second industrial waste, no pollution during processing, no carbon generated, there is no problem of environmental burden.

As described above, not only the water content of the rice hull is high, but the rice hull has a very good thermal insulation performance. Therefore, the temperature of the artificial turf can be kept low, so that the possibility of burns is greatly reduced even if the user slips.

The ground debris is entangled with the chaff in the rain or when a large amount of water penetrates the filler for artificial turf to prevent the chaff from floating in the water. In the base material, the waste grounds are composed of 10 to 30% by weight. The ground debris is prepared by grinding the remaining debris after the debris is removed from the root.

The waste ground powder is in a state where most of the water is removed, and the fiber remains largely in the ground waste ground product. The fibrous waste fiber prevents the chaff from being blown off or floated in water, because the ground meal is entangled with the chaff. In addition, since the waste ground crushed product has a high water absorption rate, absorbing moisture increases the load and suppresses the chaff from floating on the water.

In addition, when there is no rain, the buffer of the waste is very excellent, and the buffer of the artificial turf with the chaff is improved. The length of the waste grounds is approximately 1 to 4 mm, preferably 2 to 3 mm.

The ocher presses the chaff and the ground crushed powder under its own load to stabilize the rice bran and the ground crushed ground. The loess consists of 5 to 25% by weight. When the weight percentage of the loess is too high, the buffering effect of the filler is reduced. In addition, since the loess is fine dust, if the weight percentage of the loess is too high, drainage performance is reduced. Therefore, it is desirable to keep the weight percent of the loess below 25 weight percent.

The ocher contains a large amount of microorganisms beneficial to the human body and the environment, thereby providing a pleasant state to the artificial turf filler by suppressing the mold and the like. In addition, the loess prevents the transmission of various germs in the filler for artificial turf, and emits a large amount of far infrared rays at 40 ~ 50 ℃. In addition, since the ocher prevents the occurrence of atopy, there is an effect that the risk of occurrence of atopy is greatly reduced even when the infant or child is active in the artificial turf. In addition, since the loess is nonflammable, the problem that the filler is combustible is greatly reduced.

The diluted resin emulsion is moistened with the base material to prevent dust from being generated from the base material. The diluted resin emulsion is formed to contain a resin. The resin may be a synthetic resin or a natural resin, polysaccharides and derivatives thereof, polyethylene glycol copolymers and derivatives thereof, polyacrylates, acrylic ester copolymers, aliphatic polyester polymers and derivatives thereof, acacia gum ( natural or synthetic gums such as gum), or one or more polymers selected from polyvinyl polymers and derivatives thereof can be used. The diluted resin emulsion is formed by mixing 10-50 wt% of the resin emulsion stock solution and 50-90 wt% of water.

By the diluted resin emulsion, the base material is disposed on the artificial turf 110 in a wet state. Thus, the diluted resin emulsion prevents dust from being generated from the base material. In addition, the generation of static electricity from the artificial turf 110 or the base material is suppressed.

The antimicrobial material performs a function of preventing the corruption of the base material. The antimicrobial material is. It is mixed at a ratio of 0.05% to 0.2% by weight based on the weight of the mixed liquid of the base material and the diluted resin emulsion.

The antimicrobial material is coated on the base material. The base material has a small crystal shape in powder form and spherical shape. The antimicrobial material is formed as a coating layer on the powder of the base material.

The antimicrobial material doubles the antimicrobial function with the loess. The antimicrobial material includes a photocatalytic material, a gold nano material, a silver nano material, and the like. In particular, the photocatalytic material is a material that removes various harmful substances (VOC, bacteria, fine dust, birdhouse syndrome, etc.) harmful to the human body using light as an energy source. When the photocatalytic material absorbs light, it forms electrons and holes. The electrons and holes thus formed participate in oxidation and reduction reactions, respectively, and decompose harmful substances.

Various materials may be used as the photocatalyst, and representative materials include titanium oxide. Titanium oxide is resource-rich and inexpensive. In addition, titanium oxide has excellent durability and abrasion resistance as a photocatalyst, and since it is a safety / toxic material in itself, there is no concern about secondary pollution during disposal.

Hereinafter, a method of manufacturing the filler will be described.

First, prepare chaff and ocher. 분쇄 Grind the ground, to prepare the ground ground. Thereafter, in accordance with the above-described weight ratio, rice husk, ground flakes and loess are mixed to complete the base material. The base material may be powdery or may have a small crystal shape of spherical shape. Such a shape may be variously selected according to the drainability of the filler, the location of use of the filler (playground, playground, etc.). Then, the resin emulsion stock solution is diluted with water to prepare a diluted resin emulsion, and then mixed with the base material.

Prepare a photocatalyst aqueous solution containing a photocatalyst material. The base material mixed in the diluted emulsion is immersed in the aqueous photocatalyst solution, and then taken out again and dried. The drying may be natural drying or hot air drying. By the drying process, the filler is completed. However, the method of forming the photocatalyst layer is not limited to the above. The photocatalyst layer may be formed by spraying a photocatalyst aqueous solution on a base material mixed in the diluted emulsion.

Further, in the above, the base material is mixed with the diluted emulsion to form the photocatalyst layer. However, the present invention is not limited thereto, and after the photocatalyst layer is formed on the base material, the base material may be mixed with the diluted emulsion.

Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

1 is a schematic cross-sectional view showing a state in which the artificial turf filler is installed according to an embodiment of the present invention.

<Brief description of symbols for the main parts of the drawings>

100: filling material for artificial grass 110: artificial grass

120: ground 130: silica sand

Claims (9)

In the filler for artificial turf filled in artificial turf, The chaff, the loess which is entangled with the chaff and prevents the chaff from floating in the water, and the ocher which presses the chaff and the chaff ground matter under its own load to stabilize the chaff and the chaff grinding product. Base material having a; And Filling material for artificial turf soaked in the base material to prevent the generation of dust from the base material, comprising a resin emulsion containing a resin and diluted in water. The method according to claim 1, In the base material, The rice husk is 50 to 80% by weight, The grinding residue is 10 to 30% by weight The loess is 5 to 25% by weight filler for artificial turf. The method according to claim 2, The diluted resin emulsion is a filler for artificial turf formed by mixing 10-50 wt% of the resin emulsion stock solution and 50-90 wt% of water. The method according to claim 1, Filling material for artificial turf further comprising an antimicrobial material to prevent corruption of the base material. The method according to claim 4, The antimicrobial material is artificial turf filler comprising one selected from the group consisting of photocatalytic material, gold nano material and silver nano material. The method according to claim 4, The antimicrobial material is artificial turf filler is coated on the base material. The method according to claim 4, The antimicrobial material is a liquid, The antimicrobial material is. Filling material for artificial turf mixed in a ratio of 0.05% to 0.2% by weight based on the weight of the mixture of the base material and the diluted resin emulsion. The artificial turf is disposed on the ground, the artificial turf is filled by the filler for artificial turf of any one of claims 1 to 7. The method according to claim 8, In order to stably fix the artificial turf to the ground, artificial turf is sprayed between the ground and the filler material.

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