JP2009256943A - Artificial turf - Google Patents

Artificial turf Download PDF

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JP2009256943A
JP2009256943A JP2008106287A JP2008106287A JP2009256943A JP 2009256943 A JP2009256943 A JP 2009256943A JP 2008106287 A JP2008106287 A JP 2008106287A JP 2008106287 A JP2008106287 A JP 2008106287A JP 2009256943 A JP2009256943 A JP 2009256943A
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granular material
filler
artificial lawn
turf
artificial turf
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JP5238330B2 (en
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Kentaro Akatsu
健太郎 赤津
Takeshi Hamamoto
剛 濱本
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Sekisui Jushi Corp
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Sekisui Jushi Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide artificial turf which dispenses with moisture etc. for decreasing a temperature, and can suppress a rise in the temperature of the surface of the artificial turf without discharging vapor etc. to the top surface of the turf. <P>SOLUTION: The thermal conductivity of a granular material infilled among turf threads so as to form a granular material layer is enhanced by mixing an auxiliary filler 43 higher in the coefficient of thermal conductivity than a main filler 42 into the main filler. Thus, the heat of the surface of the artificial turf which is increased by sunlight etc. can be dissipated to an undersurface of the artificial turf through the granular material so as to decrease the surface temperature of the artificial turf. Additionally, when the auxiliary filler 43 is formed in a fibrous shape, the auxiliary filler 43 in a slender shape serves as a bypass for thermal conduction in the granular material. Thus, the thermal conductivity of the granular material is enhanced, heat discharge to the undersurface of the artificial turf is increased, and the surface temperature of the artificial turf is decreased. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、合成樹脂製繊維からなる芝糸の間に粒状体を充填した人工芝生に関するものである。   The present invention relates to an artificial lawn in which granules are filled between turf yarns made of synthetic resin fibers.

従来、基布に合成樹脂製繊維を芝糸としてタフティングマシンを用いて多数本植設し、この基布の裏面にゴムラテックス等のバッキング材を塗布して芝糸を固定し、この植設された芝糸間に砂などの粒状体を充填した粒状体層を設けた人工芝生は、各種スポーツ用競技場などの表面材として広く用いられており、これに関する発明も多く開示されている。   Conventionally, a large number of synthetic resin fibers were planted on the base fabric using a tufting machine, and a backing material such as rubber latex was applied to the back of the base fabric to fix the turf yarn. Artificial turf provided with a granular material layer filled with granular material such as sand between turf yarns is widely used as a surface material for various sports stadiums, and many inventions relating to this are disclosed.

例えば特許文献１には、人工芝のパイル間に弾性充填材の単層、または同弾性充填材と硬質充填材との複合層あるいは混合層からなる充填材を充填してなる人工芝構造体において、上記弾性充填材は、弾性を有する母材に少なくとも吸水性を有する吸水性材料を含有したものからなることを特徴とする人工芝構造体が開示されている。   For example, Patent Document 1 discloses an artificial turf structure in which a single layer of an elastic filler, a composite layer of the elastic filler and a hard filler, or a filler made of a mixed layer is filled between piles of an artificial turf. An artificial turf structure is disclosed in which the elastic filler is made of an elastic base material containing a water-absorbing material having at least water absorption.

特開２００２−２９４６２０号公報JP 2002-294620 A

特許文献１に記載の人工芝生は、日光などによる人工芝生表面の温度上昇を抑制するために吸水性材料の含有する水分の気化熱を利用している。しかし、この効果を奏するためには吸水性材料を含有する充填材が十分な水分を含有していることが必要であるという問題点があった。また、気化した水分が周囲の湿度を上げるので、人工芝生の敷設場所の上や周辺の不快度を高める場合があるという問題点もあった。   The artificial lawn described in Patent Document 1 uses the heat of vaporization of moisture contained in the water-absorbing material in order to suppress the temperature rise of the artificial lawn surface due to sunlight or the like. However, in order to achieve this effect, there is a problem that the filler containing the water-absorbing material needs to contain sufficient moisture. In addition, since the vaporized water increases the ambient humidity, there is a problem that the discomfort level on or around the artificial lawn laying place may be increased.

そこで本発明は、温度低下のために水分などを必要とせず、芝生の上面に水蒸気などを放出せずに芝生表面の温度上昇の抑制が可能な人工芝生を提供するものである。   Therefore, the present invention provides an artificial lawn that does not require moisture or the like for temperature reduction, and that can suppress the temperature rise on the lawn surface without releasing water vapor or the like on the top surface of the lawn.

上記目的を達成するため、本発明は以下のような構成としている。
すなわち本発明に係る人工芝生は、芝糸を基布に植設し、上記植設された芝糸間に粒状体を充填して粒状体層を設けた人工芝生であって、前記粒状体は主充填材に、該主充填材よりも熱伝導率の高い補助充填材が混入され、もって該粒状体の熱伝導性が高められていることを特徴としている。 In order to achieve the above object, the present invention is configured as follows.
That is, the artificial lawn according to the present invention is an artificial lawn in which turf yarns are planted on a base fabric, and a granular material layer is provided by filling granular materials between the planted turf yarns. The main filler is mixed with an auxiliary filler having a higher thermal conductivity than that of the main filler, thereby increasing the thermal conductivity of the granular material.

本発明に係る人工芝生によれば、芝糸間に充填されて粒状体層を形成する粒状体を、主充填材にそれよりも熱伝導率の高い補助充填材を混入させて熱伝導性を高めるので、日光などによって高められた人工芝生表面の熱が粒状体を通して人工芝生の下面へ放熱されやすくなり、人工芝生表面の温度を下げることができる。また、人工芝生表面の熱を人工芝生の下面に放熱することで人工芝生表面の温度を下げるので、人工芝生の温度低下のために水分を必要としない。また、人工芝生の表面温度を下げるために水分の気化熱を利用しないので、大気に放出される水蒸気の量を増加させることがなく、湿度の上昇によって人工芝生の敷設場所の上や周辺の不快度を高めることがない。   According to the artificial lawn according to the present invention, the granular material that is filled between the turf yarns to form the granular material layer is mixed with the auxiliary filler having a higher thermal conductivity in the main filler to increase the thermal conductivity. Therefore, the heat of the artificial lawn surface raised by sunlight or the like is easily radiated to the lower surface of the artificial lawn through the granular material, and the temperature of the artificial lawn surface can be lowered. Further, since the temperature of the artificial lawn surface is lowered by dissipating the heat of the artificial lawn surface to the lower surface of the artificial lawn, moisture is not required to reduce the temperature of the artificial lawn. In addition, since the heat of vaporization of water is not used to lower the surface temperature of the artificial lawn, the amount of water vapor released into the atmosphere is not increased, and an unpleasant situation on or around the artificial lawn laying site due to an increase in humidity. It does not increase the degree.

また、前記補助充填材の形状を繊維状にすれば、粒状体の内部において細長い形状の補助充填材が熱伝導のバイパスの役目を果たすので、粒状体の熱伝導性がより高められ、人工芝生の下面への放熱量が大きくなり、人工芝生の表面温度がより低下され好ましい。   Also, if the shape of the auxiliary filler is made into a fiber, the elongated auxiliary filler serves as a heat conduction bypass inside the granule, so that the thermal conductivity of the granule can be further enhanced, and the artificial lawn The amount of heat released to the lower surface of the artificial grass is increased, and the surface temperature of the artificial lawn is further lowered, which is preferable.

また、前記粒状体を、主充填材に前記補助充填材を混入して熱伝導性を高めた内層と、高い熱反射性を有する外層を備えた構造とすれば、人工芝生の下面への放熱量を大きくすると共に、太陽から受ける熱を前記外層によって反射して人工芝生表面の温度上昇を抑制するので、人工芝生の温度をより低下させることができ好ましい。   In addition, if the granule has a structure including an inner layer in which the auxiliary filler is mixed into the main filler to increase thermal conductivity and an outer layer having high heat reflectivity, the granule is released to the lower surface of the artificial lawn. While increasing the amount of heat and reflecting the heat received from the sun by the outer layer to suppress the temperature rise of the artificial lawn surface, the temperature of the artificial lawn can be further reduced, which is preferable.

本発明に係る人工芝生によれば、人工芝生の下面への放熱の効率を高めることによって、人工芝生表面の温度上昇を抑制することができる。   According to the artificial lawn according to the present invention, an increase in the temperature of the artificial lawn surface can be suppressed by increasing the efficiency of heat radiation to the lower surface of the artificial lawn.

本発明の実施の形態を図面に基づき具体的に説明する。
図１は本発明に係る人工芝生の実施の一形態を示す断面図であり、図２は本発明に係る人工芝生に用いる粒状体の実施の一形態を示す断面図であり、図３は本発明に係る人工芝生に用いる粒状体の実施の他の一形態を示す外観図であり、図４は本発明に係る人工芝生の実施の一形態における熱伝導の状況を示す断面図である。 Embodiments of the present invention will be specifically described with reference to the drawings.
FIG. 1 is a cross-sectional view showing an embodiment of an artificial lawn according to the present invention, FIG. 2 is a cross-sectional view showing an embodiment of a granular material used for the artificial lawn according to the present invention, and FIG. It is an external view which shows another form of implementation of the granular material used for the artificial lawn which concerns on invention, and FIG. 4 is sectional drawing which shows the condition of the heat conduction in one Embodiment of the artificial lawn concerning this invention.

図面において、１は人工芝生が敷設される基層である。基層１は、本形態では地面上に透水性のアスファルトコンクリートを打設して形成しているが、これに限るものではなく、地面そのものであってもよく、地面上に非透水性のアスファルトコンクリートを打設するなどして形成してもよい。   In the drawings, reference numeral 1 denotes a base layer on which an artificial lawn is laid. In this embodiment, the base layer 1 is formed by placing water-permeable asphalt concrete on the ground. However, the present invention is not limited to this. The base layer 1 may be the ground itself, and may be non-water-permeable asphalt concrete on the ground. It may be formed by, for example, driving.

２は人工芝生の基布である。基布２は、織物、編物、不織布等、芝糸が植設されるものであれば何でもよく、特に限定されるものではないが、一例としてポリプロピレン製の平織りの織布等がある。   Reference numeral 2 is an artificial lawn base fabric. The base fabric 2 may be anything such as woven fabric, knitted fabric, non-woven fabric, etc. as long as it can be planted with turf yarn, and is not particularly limited, and examples thereof include a plain woven fabric made of polypropylene.

３は基布２に植設された芝糸である。ポリエチレンを押出成型して形成した芝糸３は、基材２に打ち込まれた後、カットパイル状に切断されて植設されている。また、芝糸３の植設後に、基材２の裏面にバッキング材（図示せず）を塗布して、芝糸３を固定する。本実施形態において、芝糸３の材質は、ポリエチレン用いているが、これに限るものではなく、ポリプロピレンやポリエステル、ポリアミド、などの合成樹脂を好適に用いることができる。   Reference numeral 3 denotes turf yarns planted on the base fabric 2. The turf yarn 3 formed by extrusion molding of polyethylene is driven into the substrate 2 and then cut and planted in a cut pile shape. In addition, after the turf yarn 3 is planted, a backing material (not shown) is applied to the back surface of the substrate 2 to fix the turf yarn 3. In the present embodiment, polyethylene is used as the material for the turf yarn 3, but the material is not limited to this, and synthetic resins such as polypropylene, polyester, and polyamide can be suitably used.

４は粒状体である。粒状体４は基布２に植設された芝糸３の上から散布された後に、芝糸３の間に充填されて粒状体層４１を形成する。人工芝生の上面に粒状体層４１を弾性を有する粒状体で形成すれば、人工芝生の衝撃吸収性が向上する。   4 is a granular material. The granular material 4 is sprayed from above the turf yarn 3 planted on the base fabric 2 and then filled between the turf yarns 3 to form a granular material layer 41. If the granular material layer 41 is formed of an elastic granular material on the upper surface of the artificial lawn, the impact absorption of the artificial lawn is improved.

図２は本発明に係る粒状体４の実施の一形態を示す断面図である。粒状体４はエチレン−プロピレン−ジエンゴム（ＥＰＤＭ）を主充填材４２とし、これに熱伝導率の高い酸化アルミニウムの粉末を補助充填材４３として混入している。これを０．５ｍｍ〜５ｍｍ程度に粉砕して粒状に形成している。主充填材４２よりも熱伝導率が大きい補助充填材４３を混入することで、粒状体４の熱伝導性が向上する。   FIG. 2 is a sectional view showing an embodiment of the granular material 4 according to the present invention. The granular material 4 includes ethylene-propylene-diene rubber (EPDM) as a main filler 42, and aluminum oxide powder having high thermal conductivity is mixed therein as an auxiliary filler 43. This is pulverized to about 0.5 mm to 5 mm and formed into granules. By mixing the auxiliary filler 43 having a thermal conductivity higher than that of the main filler 42, the thermal conductivity of the granular material 4 is improved.

図３は本発明に係る粒状体４の実施の他の一形態を示す外観図である。粒状体４は円柱状の内層４４と、この円柱形状の側壁を覆う外層４５との二層構造となっており、二層押出成形によって細長く紐状に押し出した後に短尺に切断して形成している。内層４４は、主充填材４２にエチレン−プロピレン−ジエンゴム（ＥＰＤＭ）を用い、グラファイトの繊維の粉末を補助充填材４３として混入して形成している。補助充填材４３に繊維状の形状のものを用いることで、内層４４の中で補助充填材４３が熱を伝えるバイパスとして機能するので、粒状体４の熱伝導性が向上する。外層４５は、主充填材４２にエチレン−プロピレン−ジエンゴム（ＥＰＤＭ）を用い、酸化チタンを熱反射材として混入して形成している。酸化チタンを熱反射材として混入することで外層４５の熱反射性が向上するので、外層４５によってより多くの熱量が反射されて粒状体４の温度上昇が抑制されるので、人工芝生表面の温度が低下する。   FIG. 3 is an external view showing another embodiment of the granular material 4 according to the present invention. The granular body 4 has a two-layer structure of a columnar inner layer 44 and an outer layer 45 covering the columnar side wall, and is formed by being elongated into a string shape by two-layer extrusion and then cut into a short length. Yes. The inner layer 44 is formed by using ethylene-propylene-diene rubber (EPDM) as the main filler 42 and mixing graphite fiber powder as the auxiliary filler 43. Since the auxiliary filler 43 functions as a bypass for transferring heat in the inner layer 44 by using the auxiliary filler 43 having a fibrous shape, the thermal conductivity of the granular material 4 is improved. The outer layer 45 is formed by using ethylene-propylene-diene rubber (EPDM) as the main filler 42 and mixing titanium oxide as a heat reflecting material. Since the heat reflectivity of the outer layer 45 is improved by mixing titanium oxide as a heat reflecting material, more heat is reflected by the outer layer 45 and the temperature rise of the granular material 4 is suppressed. Decreases.

また粒状体４は、内層４４と外層４５とが形成されるように二層押出成形を行い短尺に切断して形成しているので、この切断面において外層４５が外部に露出している。このように外層４５が露出しているので、補助充填材４３を混入して高めた内層４４の熱伝導性を外層４５が妨げることがない。   Further, since the granular body 4 is formed by two-layer extrusion molding so as to form an inner layer 44 and an outer layer 45 and cut into short pieces, the outer layer 45 is exposed to the outside at the cut surface. Since the outer layer 45 is exposed in this way, the outer layer 45 does not hinder the thermal conductivity of the inner layer 44 that is enhanced by mixing the auxiliary filler 43.

補助充填材４３の材質は、主充填材４２よりも熱伝導率が大きいものを用いることで粒状体４の熱伝導効率を向上させることができるので、窒化アルミニウム、酸化アルミニウム、酸化マグネシウム、酸化亜鉛、鉄、銅、などの金属の粉末や、窒化ホウ素、カーボンファイバーの粉末などを好適に用いることができる。また、前記のように、補助充填材４３の形状は繊維状の細長いものを用いることで粒状体４の熱伝導効率を向上させることができるので、カーボンファイバーや各種金属繊維の粉末を好適に用いることができる。   Since the auxiliary filler 43 is made of a material having a higher thermal conductivity than that of the main filler 42, the heat conduction efficiency of the granular material 4 can be improved. Therefore, aluminum nitride, aluminum oxide, magnesium oxide, zinc oxide Metal powders such as iron and copper, boron nitride, and carbon fiber powders can be suitably used. In addition, as described above, the auxiliary filler 43 can be made of a fiber-like elongate material so that the heat conduction efficiency of the granular material 4 can be improved. Therefore, carbon fiber and various metal fiber powders are preferably used. be able to.

また、主充填材４２の材質は上記のようにＥＰＤＭからなる合成ゴムを好適に用いることができるが、これに限らず合成ゴムとしてはＳＢＲも使用でき、又天然ゴムや、ウレタン樹脂などの弾性を有する合成樹脂などを選択し、または組み合わせて用いることができる。また、本実施形態では内層４４と外層４５の主充填材に同じ材質のものを用いているが異なった材質のものを用いてもよい。   As the material of the main filler 42, synthetic rubber made of EPDM can be suitably used as described above. However, the synthetic rubber is not limited to this, and SBR can also be used, and elastic such as natural rubber and urethane resin can be used. A synthetic resin or the like having the above can be selected or used in combination. In the present embodiment, the same material is used for the main fillers of the inner layer 44 and the outer layer 45, but different materials may be used.

本実施形態では、外層４５に混入する熱反射材に酸化チタンを用いているが、これに限るものではなく、炭酸カルシウムや、ＳｉＯ２の中空体や粉末、などを選択、または組み合わせて用いてもよい。   In this embodiment, titanium oxide is used as the heat reflecting material mixed in the outer layer 45, but the present invention is not limited to this, and calcium carbonate, a hollow body of SiO2, or a powder may be selected or combined. Good.

また本実施形態では、粒状体層４１は補助充填材４３を含有する粒状体４のみで構成されているが、人工芝生の敷設場所やその用途によって本発明に係る粒状体４以外の各種材質の粒状物を選択し、または組み合わせて粒状体層４１に含有させてもよい。一例として、発泡又は無発泡の合成樹脂粒状物、コルクチップ、樹皮チップ、タイヤの粉砕物などを適宜使用することができる。また、川砂や山砂などの砂、硅砂、炭酸カルシウム、ガラス等の無機粒状物や人工の砂土等、硬質の粒状物も適宜使用することができる。   Moreover, in this embodiment, although the granular material layer 41 is comprised only by the granular material 4 containing the auxiliary | assistant filler 43, various materials other than the granular material 4 which concern on this invention are laid according to the laying place of the artificial lawn and its use. A granular material may be selected or combined to be included in the granular material layer 41. As an example, foamed or non-foamed synthetic resin granules, cork chips, bark chips, tire pulverized products, and the like can be used as appropriate. Further, sand such as river sand and mountain sand, hard sand such as inorganic sand such as dredged sand, calcium carbonate and glass, and artificial sand and earth can be used as appropriate.

図４は本発明に係る人工芝生の実施の一形態における熱伝導の状況を示す断面図である。人工芝生に直射日光などが照射されると、芝糸３や粒状体４の温度が上昇する。粒状体層４１は、熱伝導率の高い補助充填材４３を混入した粒状体４を含むことで熱伝導性が向上するので、太陽光により粒状体層４１の表面側で熱せられた粒状体４の温度が、補助充填材４３を伝い下方向に伝達され、基布２を通じて基層１へと放熱される。基層１への放熱量が増大することで、人工芝生の表面の温度が低下する。また、図３に示すように粒状体４に熱反射材を混入した外層４５を設けることで粒状体４の熱反射性が向上するので、太陽などから受けた熱が人工芝生の上方向により多く反射され、人工芝生の表面の温度が低下する。   FIG. 4 is a sectional view showing the state of heat conduction in one embodiment of the artificial lawn according to the present invention. When the artificial lawn is exposed to direct sunlight, the temperature of the lawn yarn 3 and the granular material 4 rises. Since the granular material layer 41 includes the granular material 4 mixed with the auxiliary filler 43 having a high thermal conductivity, the thermal conductivity is improved. Therefore, the granular material 4 heated on the surface side of the granular material layer 41 by sunlight. Is transmitted downward through the auxiliary filler 43 and is radiated to the base layer 1 through the base fabric 2. As the amount of heat released to the base layer 1 increases, the temperature of the surface of the artificial lawn decreases. Also, as shown in FIG. 3, by providing the outer layer 45 in which the heat reflecting material is mixed in the granule 4, the heat reflectivity of the granule 4 is improved, so that the heat received from the sun or the like is higher in the upward direction of the artificial grass. Reflected, the temperature of the artificial lawn surface decreases.

本発明に係る人工芝生の実施の一形態を示す断面図である。It is sectional drawing which shows one Embodiment of the artificial lawn which concerns on this invention. 本発明に係る人工芝生に用いる粒状体の実施の一形態を示す断面図である。It is sectional drawing which shows one Embodiment of the granular material used for the artificial lawn which concerns on this invention. 本発明に係る人工芝生に用いる粒状体の実施の他の一形態を示す外観図である。It is an external view which shows another form of implementation of the granular material used for the artificial lawn which concerns on this invention. 本発明に係る人工芝生の実施の一形態における熱伝導の状況を示す断面図である。It is sectional drawing which shows the condition of the heat conduction in one Embodiment of the artificial lawn which concerns on this invention.

符号の説明Explanation of symbols

１ 基層
２ 基布
３ 芝糸
４ 粒状体
４１ 粒状体層
４２ 主充填材
４３ 補助充填材
４４ 内層
４５ 外層


DESCRIPTION OF SYMBOLS 1 Base layer 2 Base cloth 3 Turf thread 4 Granule body 41 Granule body layer 42 Main filler 43 Auxiliary filler 44 Inner layer 45 Outer layer


Claims (3)

芝糸を基布に植設し、上記植設された芝糸間に粒状体を充填して粒状体層を設けた人工芝生であって、前記粒状体は主充填材に、該主充填材よりも熱伝導率の高い補助充填材が混入され、もって該粒状体の熱伝導性が高められていることを特徴とする人工芝生。   An artificial lawn in which turf yarn is planted on a base fabric and a granular material layer is provided by filling a granular material between the planted turf yarns, wherein the granular material is used as a main filler. An artificial lawn characterized in that an auxiliary filler having a higher thermal conductivity is mixed and the thermal conductivity of the granular material is increased. 前記補助充填材の形状が繊維状であることを特徴とする請求項１に記載の人工芝生。   The artificial lawn according to claim 1, wherein the auxiliary filler has a fibrous shape. 前記粒状体は、前記主充填材に前記補助充填材を混入させて熱伝導性を高めた内層と、該内層より高い熱反射性を有する外層とを備えたことを特徴とする請求項１〜２のいずれかに記載の人工芝生。   The granular body includes an inner layer in which the auxiliary filler is mixed into the main filler to increase thermal conductivity, and an outer layer having higher heat reflectivity than the inner layer. The artificial lawn according to any one of 2 above.
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101124124B1 (en) 2011-10-14 2012-03-21 (주)영일에이치앤티 The elastic chip having coil spring structure and method for manufacturing the same
NL2011281C2 (en) * 2013-08-08 2015-02-10 Bluefinger Holding B V ARTIFICIAL GRASS MAT, SYSTEM FOR GENERATING ELECTRIC ENERGY FROM HEAT, AND BUILDING CONTAINING SUCH A SYSTEM.
WO2018019732A1 (en) * 2016-07-27 2018-02-01 Melos Gmbh Artificial turf with composite infill
CN108004875A (en) * 2017-12-14 2018-05-08 无锡市桑丽人造草坪地毯有限公司 A kind of low temperature cold sense chinampa and preparation method thereof
JP2019522133A (en) * 2016-07-27 2019-08-08 メロス ゲゼルシャフト ミット ベシュレンクテル ハフツング Artificial grass infill containing natural fibers embedded in the vulcanized part
KR102162734B1 (en) * 2020-02-27 2020-10-07 네이처그린 주식회사 Artificial turf yarn for temperature reduction and artificial turf structure using the same

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JP2005513305A (en) * 2001-09-21 2005-05-12 フィールドターフ　インコーポレイテッド Artificial ground with temperature control for sports and other applications
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Publication number Priority date Publication date Assignee Title
JP2005513305A (en) * 2001-09-21 2005-05-12 フィールドターフ　インコーポレイテッド Artificial ground with temperature control for sports and other applications
JP2005002783A (en) * 2003-06-10 2005-01-06 Mondo Spa Filling material for artificial turf structure, corresponding artificial turf structure, and its manufacturing method
JP2008031783A (en) * 2006-07-31 2008-02-14 Bridgestone Corp Elastic paving body

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101124124B1 (en) 2011-10-14 2012-03-21 (주)영일에이치앤티 The elastic chip having coil spring structure and method for manufacturing the same
NL2011281C2 (en) * 2013-08-08 2015-02-10 Bluefinger Holding B V ARTIFICIAL GRASS MAT, SYSTEM FOR GENERATING ELECTRIC ENERGY FROM HEAT, AND BUILDING CONTAINING SUCH A SYSTEM.
EP2835469A1 (en) * 2013-08-08 2015-02-11 Bluefinger Holding B.V. System for generating electrical energy from heat in an artificial turf
WO2018019732A1 (en) * 2016-07-27 2018-02-01 Melos Gmbh Artificial turf with composite infill
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JP2019522133A (en) * 2016-07-27 2019-08-08 メロス ゲゼルシャフト ミット ベシュレンクテル ハフツング Artificial grass infill containing natural fibers embedded in the vulcanized part
JP2019522132A (en) * 2016-07-27 2019-08-08 メロス ゲゼルシャフト ミット ベシュレンクテル ハフツング Compound artificial grass infill
CN108004875A (en) * 2017-12-14 2018-05-08 无锡市桑丽人造草坪地毯有限公司 A kind of low temperature cold sense chinampa and preparation method thereof
KR102162734B1 (en) * 2020-02-27 2020-10-07 네이처그린 주식회사 Artificial turf yarn for temperature reduction and artificial turf structure using the same

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