KR20160105254A

KR20160105254A - filling material for artificial turf with natural grass seed and artificial turf using the same

Info

Publication number: KR20160105254A
Application number: KR1020150040922A
Authority: KR
Inventors: 정미숙; 박보정; 박혜주
Original assignee: 주식회사 금룡
Priority date: 2015-02-27
Filing date: 2015-03-24
Publication date: 2016-09-06

Abstract

Disclosed are filling material for artificial turf with a natural grass seed and artificial turf using the same. According to the present invention, the filling material for artificial turf with a natural grass seed and the artificial turf using the same allow natural grass to vegetate in artificial turf, thereby providing smoothness of natural grass and allowing easy maintenance.

Description

Filling material for artificial turf including natural grass seed and artificial turf using same

The present invention relates to a filler for artificial turf including natural grass seeds and an artificial turf using the same, and more particularly to a natural grass which is capable of providing smoothness and easy maintenance of natural turf A filling material for artificial turf including grass seeds, and an artificial turf using the same.

In recent years, with the recommendation of outdoor activities for infants and children, artificial turf is increasingly installed in schools or apartment complexes, and it is mainly applied to areas where natural grass growth is difficult or difficult to manage.

These artificial turf are more expensive than natural turf, but their use is continuously expanding due to the convenience of maintenance without being influenced by weather and season.

FIG. 1 is a view showing the construction of artificial turf according to the prior art, in which artificial turf 11 is provided on a ground 10, and sand dune 12 is installed between or between the artificial turf 11 And the artificial turf 11 is fixed on the upper part of the sandwiched yarn 12 so that the artificial turf 11 is buried in the filler 13.

These artificial turf can provide similar effects and feel to natural grass by using various filling materials at installation. As filler, it is possible to use synthetic rubber such as SBR (Styrene Butadiene Rubber) rubber chip and EPDM (Ethylene Propylene Diene Monomer) Mainly used.

However, the rubber chip is pulverized by sunlight or the like to generate crushed powder, and the crushed powder piled on the floor is blown around, and is breathed into the bronchi of infants and children, thereby impairing health.

Japanese Patent Application Laid-Open No. 10-0906622 (entitled "Filler for artificial turf") and Korean Patent Publication No. 10-1034315 (entitled "Artificial turf") are applied to artificial turf using such a rubber chip as a filler Artificial turf that can reduce the risk of burning even if it slides on artificial turf has been proposed.

However, such artificial turf can provide similar effects and feel to natural turf, but has the problem that it can not provide the softness of the natural turf itself.

On the other hand, the natural grass has the softness of the natural grass itself and the floor is made of soil, so that the user is less likely to be hurt when slipped or tumbled. However, the natural lawn is frequently damaged There is a problem that it is difficult.

Literature 1. Korea Intellectual Property Office, Registered Patent Publication No. 10-0906622 (entitled Filler for Artificial Turf). Document 2: Korean Patent Registration No. 10-1034315 entitled Filler for artificial turf and artificial turf.

In order to solve these problems, the present invention provides a filler for artificial turf, including natural grass seeds, which can provide smoothness and easy maintenance of natural grass by allowing the natural grass to be planted on a floor material provided with artificial grass, And to provide the above-mentioned objects.

In order to accomplish the above object, the present invention provides a filler for artificial turf including natural grass seeds, which comprises a filler main body dried by adsorbing yellow clay on rice hulls; And a natural grass seed in the filler main body, and the filler main body is dried by coating a resin emulsion containing resin on the dried rice hull.

In addition, the filler main body according to the present invention preferably comprises 20 to 80% by weight of the rice husk, 10 to 70% by weight of the loess, and 2 to 30% by weight of the resin emulsion.

In addition, the natural grass according to the present invention may be sown with seeds and grown in the filler main body, and the seeds are preferably sprayed on the filler main body or mixed with the filler main body to be sown.

The present invention also provides a method for producing a natural grass seed, comprising the steps of: preparing a rice hull which is disposed on a ground and is dried by adsorbing yellow clay on a surface thereof, and a resin emulsion containing resin dissolved in the dried rice hull, Fillers including; And a synthetic grass part filled with the filler material.

Further, the artificial turf according to the present invention is a base material for stabilizing the artificial turf portion; And a grass vegetation material installed on the foundation material and supplying nutrients to the natural grass.

The artificial lawn according to the present invention has a structure in which a plurality of through holes or passages are formed therein, and the base material includes at least one of silica sand, diatomaceous earth, and rubber chips formed in an arbitrary size, 20 mm, and the base material is preferably 10 mm to 30 mm thick.

Also, the grass vegetation material according to the present invention may include at least one of diatomaceous earth and zeolite, and the grass vegetation material may be 3 to 20 mm thick.

In addition, the artificial turf according to the present invention further includes a finishing material provided on the filling material, and the finishing material 230 is preferably composed of a nutritive soil including soil and sand for improving the growth of grass, The finishing material is set to a thickness of 3 mm to 20 mm.

The artificial turf according to the present invention may further comprise an absorber disposed on at least one of the filler and the artificial turf to adsorb moisture and supply the absorbed moisture to natural turf, A hydrolyzate of a starch-acrylic acid graft polymer, a vinyl acetate-acrylate copolymer copolymer, a hydrolyzate of an acrylonitrile copolymer, a hydrolyzate of an acrylamide copolymer, an acrylonitrile copolymer or an acrylamide copolymer A cross-linked polymer of a cationic monomer, and a polymeric graft formed by alkali-saponifying an ethylenically unsaturated carboxylic acid ester copolymer.

In addition, the artificial lawn according to the present invention may further include a heating unit disposed inside the artificial lawn unit at a predetermined interval to radiate heat.

The present invention is advantageous in that the natural grass is planted in the filling material filled in the artificial grass to provide the smoothness of the natural grass in the artificial grass.

Further, the present invention is advantageous in that natural grass is planted on artificial turf so that maintenance and management of natural grass can be easily provided.

Brief Description of the Drawings Fig. 1 is an illustration showing the construction of artificial turf according to the prior art. Fig.
2 is a view illustrating a state in which a filler for artificial grass including natural grass seeds according to the present invention is installed.
FIG. 3 is a view illustrating a state in which a hot wire is installed on the artificial grass portion according to FIG. 2;

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT Hereinafter, the present invention will be described in detail with reference to preferred embodiments of the present invention and the accompanying drawings, wherein like reference numerals refer to like elements.

It is to be understood that when an element is referred to as being "comprising" another element in the description of the invention or in the claims, it is not to be construed as being limited to only that element, And the like.

Hereinafter, an embodiment in which artificial turf containing natural grass seeds according to the present invention is implemented will be described with reference to specific embodiments.

FIG. 2 is a view showing a state in which a filler for artificial turf including natural grass seeds according to the present invention is installed, and FIG. 3 is an exemplary view showing a state where a hot wire is installed on a synthetic turf according to FIG.

As shown in FIGS. 2 and 3, the filling material 100 for artificial turf, including natural grass seeds according to the present invention, comprises a rice husk as a crust of rice and a loess soil adsorbed on the rice husk to stabilize the rice husk A filler main body, and a natural grass seed contained in the filler main body. Natural grass seeds germinate and grow into natural grass (100b).

It is preferable that the filler main body is coated with a resin emulsion containing resin to the dried rice hull and dried, and the rice husk contained in the filler main body is 20 to 80 wt%, the loess is 10 to 70 wt% %, And the resin emulsion is preferably composed of 2 to 30% by weight based on the total weight of the resin emulsion. However, the present invention is not limited thereto, and the ratio of the weight percentage to the weight of the rice husk, . In some cases, the dried rice husk with adsorbed yellow clay may be used without coating the resin emulsion.

The rice hull has a high water absorption amount and a high absorption rate, absorbs a part of the incoming water, and smoothly discharges the water.

In addition, it is preferable that the size of the grains is 1 to 5 mm so that the rice husk is prevented from floating in water and the drainage can be easily performed.

In this embodiment, the rice hulls have been described as examples, but the present invention is not limited thereto and other materials may be used.

The loess is mixed with water and mixed with the rice husk to be adsorbed on the surface of the rice husk, and the adsorbed loess is dried together with the rice husk to press the rice husk with its own load, thereby stabilizing the rice husk.

In addition, since the loess has a large amount of beneficial microorganisms, it can maintain a pleasant condition by inhibiting fungi and the like, and can radiate far-infrared rays to increase the antioxidant ability of the rice husk, thereby improving odor removal and antibacterial effect.

The resin emulsion coatings the surface of the dried rice husk which is adsorbed by the yellow loam to prevent the rice hull and loess dust from being generated from the rice husk and suppresses the generation of static electricity from the filler.

In addition, the resin emulsion is prepared by diluting a resin made of a synthetic resin or a natural resin with water and mixing the hulls with the adsorbed rice husk, followed by drying.

The resin emulsion is formed by mixing 5 to 50% by weight of an undiluted solution and 50 to 95% by weight of water, and the resin emulsion has 2 to 30% by weight based on the total weight of the resin emulsion.

The natural grass 100b is a natural grass laid on the filler main body, and the natural grass 100b is a natural grass laid on the filler main body by the seed and grown in the filler main body.

The natural grass 100b may be sprinkled on the top of the filler main body in a seed state or may be mixed with a filler main body of pellet or granular shape composed of chaff, loess, resin emulsion or the like.

The filler material 100 may be formed into a plate shape, a pellet shape, a granule shape of a predetermined size, or the like.

Next, the structure of artificial turf using the filling material for artificial turf including natural grass seed according to the present invention will be described.

The artificial turf includes a filler 100, a synthetic grass part 200, a base material 210, a grass vegetation material 220, a finishing material 230, an absorbent material 240, a heating part 250, .

The filling material 100 comprises a rice husk which is a surface of rice, a loess material which is adsorbed on the surface of the rice husk to stabilize the rice husk, and a resin emulsion containing resin to the rice husk, And the natural grass 100b is installed to fill the space between the artificial turf 200 and improve the supporting force of the artificial turf 200. In addition, And the filler 100 may be disposed between the first and second substrates 100 and 200. Preferably, the filler 100 is formed to have a thickness of 5 mm to 20 mm, but the present invention is not limited thereto. have.

In addition, the filler material 100 serves as a buffer by using rice hulls, and is capable of rapidly discharging water without holding the water through puffiness, softness, and high drainage property by using rice hulls, and maintaining proper moisture.

In addition, the filling material 100 enables the vegetation of the natural grass 100b to be maintained through the provision of nutrients by the rice husk.

In addition, when the filling material 100 is installed in a pellet shape or a granule shape, a gap is formed between the finishing materials 230 disposed on the upper side to prevent the finishing material 230 from being bundled.

The artificial turf part 200 is disposed on the ground 300 and a supporting member for supporting a plurality of artificial turf is fixed to the ground 300 through various methods such as bonding treatment.

The artificial turf 200 is similar to the natural turf 100b in shape and color and is mainly made of a synthetic resin such as polyethylene (PE) It can be installed in the same way as the grass installation method.

Meanwhile, the artificial turf part 200 preferably has a structure in which the roots of the natural turf planted together with artificial turf grows into the lower ground.

For example, it may be a structure in which a plurality of through holes or passages are formed so that roots can grow.

Thus, the roots of the natural grass can grow into the lower ground below the bottom of the artificial grass portion 200, and the life of the natural grass can be increased.

The base material 210 has at least one of silica sand, diatomaceous earth, and rubber chips of an arbitrary size, which stabilizes the artificial turf part 200.

In addition, it is preferable that the base material 210 is installed between the synthetic turf part 200 and the upper part 210 to a thickness of about 10 mm to 30 mm.

The lawn vegetation material 220 is composed of diatomaceous earth, zeolite, and the like, provided on the base material 210 to supply nutrients to the natural grass 100b grown in the filling material 100, Alternatively, the natural grass 100b may be modified to provide a suitable nutrient for the vegetation.

It is preferable that the grass vegetation material 220 is installed on the base material 210 in a thickness of about 3 mm to 20 mm. However, the thickness is not limited thereto. .

The finishing material 230 is provided on the filler material 100 and the finishing material 230 is preferably made of nutritive soil such as earth and sand to improve the growth of grass.

The finishing material 230 is preferably formed to a thickness of about 3 mm to 20 mm on the top of the filler material 100. However, the thickness of the finishing material 230 may vary depending on the installation environment.

The absorbent material 240 is installed on at least one of the filler material 100 and the artificial turf material 200 including the base material 210 and the grass vegetation material 220 to absorb moisture, Thereby allowing the natural grass 100b to grow well by sufficiently absorbing moisture when it rains and allowing the absorbed moisture to be supplied to the natural grass 100b.

In addition, the absorbent material 240 may be a crosslinked body of a polyacrylic acid moiety, a hydrolyzate of a starch-acrylic acid graft polymer, a saponified vinyl acetate acrylate copolymer, a hydrolyzate of an acrylonitrile copolymer, A polymerized product obtained by alkali-saponifying a crosslinked product of a decomposition product, an acrylonitrile copolymer or an acrylamide copolymer, a crosslinked polymer of a cationic monomer, and an ethylenically unsaturated carboxylic acid ester copolymer.

The heating unit 250 is installed at a predetermined interval in the artificial lawn unit 200 to radiate heat. The heating unit 250 may include at least one heat generating unit, such as a hot water pipe that generates heat when power is supplied and a hot water pipe that supplies hot water for heating And allows the natural grass 100b and the artificial grass part 200 to freeze or to quickly resolve a snowfall condition in the winter when the outside temperature is low.

Accordingly, it is possible to provide the smoothness of the natural grass in the artificial turf by allowing the natural grass to be planted in the filling material provided with the artificial turf, and the maintenance and management of the natural turf can be easily provided even if the natural grass is planted in the artificial turf .

The technical idea of the present invention has been described through several embodiments.

It will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described above from the description of the present invention. Further, although not explicitly shown or described, those skilled in the art can make various modifications including the technical idea of the present invention from the description of the present invention Which is still within the scope of the present invention. The above-described embodiments described with reference to the accompanying drawings are for the purpose of illustrating the present invention, and the scope of the present invention is not limited to these embodiments.

100: filler
100a: filler body
100b: Natural grass
200: Artificial turf
210: Base material
220: grass vegetation material
230: Finishing material
240: absorber
250:
300: ground

Claims

A filler main body dried by adsorbing yellow clay on a rice husk; And
And a natural grass seed contained in the filling material main body.

The method according to claim 1,
Wherein the filler material body is dried by coating a resin emulsion containing resin on the dried rice hull.

3. The method of claim 2,
Wherein the filler main body comprises 20 to 80% by weight of the rice husk, 10 to 70% by weight of the loess, and 2 to 30% by weight of the total weight of the resin emulsion. Grass filler.

A filler main body disposed on the ground 300 and coated with a resin emulsion containing Resin in the dried rice hull which is dried by adsorbing yellow clay on the surface of the filler main body; (100); And
And a synthetic turf part (200) filled with the filler material (100). [3] The artificial turf material according to claim 1,

5. The method of claim 4,
The artificial turf comprises a base material (210) for stabilizing the artificial turf part (200); And
And a grass vegetation material (220) installed on the base material (210) and supplying nutrients to the natural grass (100b). The artificial grass using the filling material for artificial turf with natural grass seeds.

The method according to claim 4 or 5,
Wherein the artificial turf part (200) has a structure in which a plurality of through holes or passages are formed therein.

5. The method of claim 4,
Wherein the base material (210) comprises at least one of silica sand, diatomaceous earth, and rubber chips formed in an arbitrary size. Artificial turf using a filler for artificial turf with natural grass seeds.

5. The method of claim 4,
Wherein the filler material (100) is 5 mm to 20 mm thick, and the base material (210) is 10 mm to 30 mm thick, respectively.

5. The method of claim 4,
The artificial turf may further include an absorber 240 installed on at least one of the filler material 100 and the artificial turf body 200 to absorb moisture and to supply the absorbed moisture to the natural turf 100b Artificial turf using artificial turf filler including natural grass seeds.

10. The method of claim 9,
The absorber 240 may be formed of a crosslinked body of a polyacrylic acid moiety, a hydrolyzate of a starch-acrylic acid graft polymer, a saponified vinyl acetate acrylate copolymer, a hydrolyzate of an acrylonitrile copolymer, a hydrolyzate of an acrylamide copolymer, Characterized in that it comprises at least one of a cross-linked product of an acrylonitrile copolymer or an acrylamide copolymer, a cross-linked polymer of a cationic monomer, and a polymeric insoluble product obtained by alkali-saponifying an ethylenically unsaturated carboxylic acid ester copolymer. Artificial turf using artificial turf filler.

5. The method of claim 4,
Wherein the artificial turf part (200) further comprises a heating part (250) installed inside the artificial lawn part (200) at regular intervals to radiate heat.