WO2018021659A1 - Puce élastique pour le remplissage de gazon artificiel et sol de pavage - Google Patents

Puce élastique pour le remplissage de gazon artificiel et sol de pavage Download PDF

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Publication number
WO2018021659A1
WO2018021659A1 PCT/KR2017/004193 KR2017004193W WO2018021659A1 WO 2018021659 A1 WO2018021659 A1 WO 2018021659A1 KR 2017004193 W KR2017004193 W KR 2017004193W WO 2018021659 A1 WO2018021659 A1 WO 2018021659A1
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WO
WIPO (PCT)
Prior art keywords
elastic chip
elastic
chip
artificial turf
cross
Prior art date
Application number
PCT/KR2017/004193
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English (en)
Korean (ko)
Inventor
이성율
Original Assignee
화인케미칼 주식회사
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Publication of WO2018021659A1 publication Critical patent/WO2018021659A1/fr

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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
    • E01C13/08—Surfaces simulating grass ; Grass-grown sports grounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
    • E01C13/06—Pavings made in situ, e.g. for sand grounds, clay courts E01C13/003
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
    • E01C13/06—Pavings made in situ, e.g. for sand grounds, clay courts E01C13/003
    • E01C13/065—Pavings made in situ, e.g. for sand grounds, clay courts E01C13/003 at least one in situ layer consisting of or including bitumen, rubber or plastics

Definitions

  • the technology disclosed in the present specification relates to an elastic chip for artificial turf filling and ground pavement, and to provide an elastic chip for artificial turf filling and ground pavement having low slipperiness and excellent permeability.
  • Artificial turf used for football or football, places an infill between the pile for the purpose of the pile upright and the elasticity of the artificial turf.
  • a layer of sand or silica sand having a diameter of 0.5-1.5 mm is usually disposed in the lower layer, and waste tire grinding chips or EPDM rubber grinding chips, such as those used for the elastic packaging material, are disposed on the upper layer.
  • gum, such as SEBS, is arrange
  • waste tire chips or EPDM chips are mechanically crushed, they have an unspecified shape of 4 mm or less in size, and there may be a lot of lint on the edges of the crushed material, so there are very few voids when installing them as fillers.
  • thermoplastic rubber extruded products such as SEBS are almost spherical or close to cylindrical, so the air gap is larger than that of tire chips or EPDM chips, but not enough. It is easily pushed in the opposite direction, the driving force is reduced, there is a problem that the performance is reduced.
  • the gaps between the chips are not enough, and the chips are swept away by the waves and the functions of the artificial grass have to be lost and the chips have to be re-packed.
  • the artificial turf filling and ground pavement elastic chip comprises a rubber-based polymer material, at least in the form of a rod-like structure having a length in the longitudinal direction longer than the cross-sectional diameter
  • the elastic chip is provided for the artificial turf filling and ground packaging elastic chip having a length of 2 to 20 times the cross-sectional diameter.
  • a backing A grass pile extending upward from the bubble; An inorganic filler layer comprising sand or silica sand filled on the bubble such that the grass pile is partially submerged; And artificial turf including the elastic filler layer including the above-mentioned elastic chip disposed on the inorganic filler layer is provided.
  • FIG 1 shows elastic chips according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram showing the structure of a crisscross-shaped elastic chip according to an embodiment of the present invention.
  • Figure 4 is a schematic diagram showing the structure of the bent elastic chip according to an embodiment of the present invention.
  • Figure 5 shows an example installed on the artificial turf using an elastic chip according to an embodiment of the present invention.
  • the extruded melt is cut by underwater cutting, hot plate pelletizing, and strand cutting.
  • the elastic chip produced through such an extrusion process has a regular regular shape and may have a cylindrical or spherical shape.
  • the elastic chip has a cylindrical shape or a spherical shape
  • the apparent density is increased (ie, the porosity is lowered) and at the same time, the slipperiness is increased due to its own shape, which may be inappropriate for use.
  • Method for producing an elastic chip according to an embodiment of the present invention is characterized in that for cutting the length of the extrudate in the cutting process.
  • the cutting includes cutting so that the length / diameter ratio of the elastic chip is, for example, 2 to 20 times. Therefore, the elastic chip according to an embodiment of the present invention has a rod-like shape, and is characterized in that the length L is structured to have a long shape compared to the diameter D of the cross section.
  • the cross section is a shape other than a circle, the diameter D is based on the longest diameter in the cross section. 1 shows elastic chips according to an embodiment of the present invention.
  • the length of the elastic chip is preferably 2 to 20 times, or 2.5 to 20 times, or 2.5 to 15 times, or 3 to 20 times, or 3 to 15 times, or 3 to 10 times, or 4 to 20 times the diameter. 20 times, or 4 to 15 times, or 4 to 10 times.
  • the length (L) / diameter (D) ratio is less than the above range, the effect of increasing the slipperiness or increasing the voids is reduced, and if the length (L) / diameter (D) ratio is exceeded, the chip may bend too much during cutting through extrusion cutting, after extrusion
  • chips may be entangled and difficult to transfer, and when laying artificial turf, it may be difficult to entangle the laying machine.
  • the elastic chip may have a polygonal shape such as a circle, an ellipse, a triangle, a rectangle, a polygonal cross, a triangular pyramid, a star, or a polygonal pyramid.
  • the shape of the cross section can be determined by the shape of the die exit of the extruder. 2 shows examples of elastic chips having various cross-sectional shapes.
  • the elastic chip preferably protrudes vertically in the longitudinal direction, and may have a wing portion extending in the longitudinal direction from one end to the other end.
  • FIG. 3 is a schematic diagram showing the structure of a crisscross-shaped elastic chip according to an embodiment of the present invention.
  • the space 130 is formed between the body 110 and the space due to the presence of the wing 120, permeability may be improved by installing such elastic chips.
  • the shape of the wing is protruded with respect to the central axis of the body portion 110 in the longitudinal direction of the rod-shaped elastic chip as long as the shape that can be processed by extrusion, such as triangular pyramid shape, star shape, etc. on the basis of the cross section can be variously designed. Can be.
  • the elastic chip according to an embodiment of the present invention may have a rod-shaped bent elastic chip itself while producing a long rod-like structure in the process of being manufactured by extrusion after cutting.
  • the use of curved rod-shaped elastic chips can further increase the porosity, and in addition to the elasticity of the material itself, the bent shape itself contributes to the improvement of elasticity like a spring, and thus has the advantage of obtaining a high elastic effect even with a small amount of elastic chips. .
  • the shape of the curved rods and straight rods can be determined by the process of cutting after extrusion.
  • the cutting method is a strand cutting
  • the strand extruded and discharged through a die is cooled by a cooling tank and then cut by a cutting machine to obtain a straight rod-shaped elastic chip.
  • the rotary knife rotates and cuts as soon as it is discharged through the die of the extruder, thereby controlling the temperature of the extruder cylinder and die, the extrusion speed, and the rotating speed of the rotary knife to control the degree of bending of the bent bar. Can be.
  • Figure 4 is a schematic diagram showing the structure of the bent elastic chip according to an embodiment of the present invention.
  • the angle ⁇ between the line segment MA1 and the line segment MA2 may be 90 to 180 degrees.
  • An angle ⁇ of 180 degrees means a perfect straight line, and the angle becomes smaller depending on the degree of bending.
  • the angle may be 90 to 179 degrees, preferably 90 to 175 degrees, more preferably 135 to 170 degrees.
  • the improved effect may be insignificant compared to the straight type.
  • the angle may generally decrease as the length / diameter ratio of the elastic chip increases. That is, as the length / diameter ratio of the elastic chip increases, the degree of bending of the elastic chip may increase.
  • the angle ⁇ may be 90 to 179 degrees.
  • the angle can be adjusted by adjusting the hardness of the elastomer composition. That is, when the hardness increases at the same length / diameter ratio, the degree of bending of the elastic chip may be reduced.
  • it may be constructed in a mixture of straight elastic chips and bent elastic chips.
  • the air gap becomes too large to endure the weight of the athletes, and the spikes of the soccer shoes can be buried, which may cause the movement to be improperly mixed.
  • the above-described elastic chip may be used as the artificial turf filler.
  • the drainage function is improved, the filling material is not pushed back when the soccer player is fired, and the cost can be reduced.
  • an artificial turf provided with the above-mentioned elastic chip is provided.
  • Figure 5 shows an example installed on the artificial turf using an elastic chip according to an embodiment of the present invention. Referring to FIG. 5, the artificial turf is filled on the bubble 510 such that the grass pile 520 and the grass pile 520 extending upwardly from the backing 510 and the bubble 510 are partially locked.
  • the elastic chip 542 has a long structure compared to the diameter, and thus, a large amount of voids 544 may be generated when the elastic chip 542 is laid on the artificial turf.
  • the above-described elastic chip may be mixed with the polyurethane binder for ground pavement and installed on concrete.
  • the voids are more than doubled compared to the existing method, so that the drainage function is improved and the packaging material of a certain thickness can be obtained with a small weight, thereby reducing the cost.
  • the porosity after installing the above-mentioned elastic chip will be defined as follows.
  • Porosity (%) (1-Weight equivalent to 1L volume of elastic chip (kg / L)) ⁇ 100 (%)
  • a porosity is 40 to 70% or less here. If the porosity is less than the above range, the permeability may be low. If the porosity is more than the above range, spikes of soccer players may fall out and cause a movement disorder.
  • EPDM chip 100 parts by weight of EPDM 330 (manufactured by Kumho Polychem), 1.0 part by weight of stearic acid, 2.0 parts by weight of dicumyl peroxide (DCP), and 27 parts by weight of calcium carbonate were mixed to form a flat sheet having a specific gravity of 1.0. .
  • the sheet was put into a grinder and pulverized, and then beaten with a 2 mm and 4 mm scale sieve to obtain an elastic chip having a size of 2-4 mm.
  • SEBS cylindrical chip 100 parts by weight of SEBS H1052 (manufactured by Asahi Kasei) and 10 parts by weight of calcium carbonate were mixed, extruded by an extruder, and cut by underwater cutting to obtain a spherical elastic chip having a diameter of 3 mm. Specific gravity was 1.0.
  • EPDM-PP Chip-1 70 parts by weight of EPDM 330 (Kumho Polychem), 30 parts by weight of PP4017 (Korean emulsifier) and 26 parts by weight of calcium carbonate were mixed, extruded by an extruder and cut by strand cutting to cut 3 mm in diameter and 4.5 mm in length. The elastic chip of was obtained. Specific gravity was 1.0.
  • EPDM-PP Chip-2 70 parts by weight of EPDM 330 (manufactured by Kumho Polychem), 30 parts by weight of PP4017 (Korean emulsifier), 26 parts by weight of calcium carbonate were mixed, extruded by an extruder, and cut by strand cutting to obtain a diameter of 3 mm, a length of 15 mm, and An elastic chip having an angle of 180 degrees was obtained. Specific gravity was 1.0.
  • EPDM-PP Chip-2 70 parts by weight of EPDM 330 (manufactured by Kumho Polychem), 30 parts by weight of PP4017 (Korean emulsifier), 26 parts by weight of calcium carbonate were mixed, extruded by an extruder, and cut by strand cutting to obtain a diameter of 3 mm, a length of 30 mm, and An elastic chip having an angle of 180 degrees was obtained. Specific gravity was 1.0.
  • EPDM-PP Chip-2 70 parts by weight of EPDM 330 (manufactured by Kumho Polychem), 30 parts by weight of PP4017 (Korean emulsifier), 26 parts by weight of calcium carbonate were mixed, extruded by an extruder, and cut by strand cutting to obtain a diameter of 3 mm, a length of 70 mm, and An elastic chip having an angle of 180 degrees was obtained. Specific gravity was 1.0.
  • EPDM-PP Chip-2 70 parts by weight of EPDM 330 (Kumho Polychem), 30 parts by weight of PP4017 (Korean emulsifier) and 26 parts by weight of calcium carbonate were mixed, extruded with an extruder and cut by under water cutting to cut 3mm in diameter and 15mm in length. And an elastic chip having an angle of 135 degrees. Specific gravity was 1.0.
  • EPDM-PP chip-2 70 parts by weight of EPDM 330 (manufactured by Kumho Polychem), 30 parts by weight of PP4017 (Korean emulsifier) and 26 parts by weight of calcium carbonate were mixed, extruded with an extruder and cut by under water cutting to cut 3 mm in diameter and 30 mm in length. And an elastic chip having an angle of 135 degrees. Specific gravity was 1.0.
  • EPDM-PP Chip-2 70 parts by weight of EPDM 330 (Kumho Polychem), 30 parts by weight of PP4017 (Korean emulsifier) and 26 parts by weight of calcium carbonate were mixed, extruded with an extruder and cut by under water cutting to cut 3mm in diameter and 15mm in length. And an elastic chip having an angle of 80 degrees. Specific gravity was 1.0.
  • EPDM-PP Chip-3 70 parts by weight of EPDM 330 (manufactured by Kumho Polychem), 30 parts by weight of PP4017 (Korean emulsifier) and 26 parts by weight of calcium carbonate were mixed, extruded by an extruder, and cut by strand cutting to cross section (1 mm). x 3mm squares intersected with ten crosses) to obtain an elastic chip having a height of 15 mm and an angle of 180 degrees. Specific gravity was 1.0.
  • EPDM-PP Chip-3 70 parts by weight of EPDM 330 (Kumho Polychem), 30 parts by weight of PP4017 (Korean emulsifier) and 26 parts by weight of calcium carbonate were mixed, extruded by an extruder and cut by under water cutting to make a cross section (cross) 1mm x 3mm squares cross each other with a cross) and an elastic chip having a height of 15mm and an angle of 135 degrees was obtained. Specific gravity was 1.0.
  • EPDM-PP Chip-3 70 parts by weight of EPDM 330 (Kumho Polychem), 30 parts by weight of PP4017 (Korean emulsifier) and 26 parts by weight of calcium carbonate were mixed, extruded by an extruder and cut by under water cutting to make a cross section (cross) 1mm x 3mm squares cross each other with ten crosses) to obtain an elastic chip having a height of 30mm and an angle of 135 degrees. Specific gravity was 1.0.
  • the porosity was measured by measuring the weight, and the workability and water permeability were evaluated as follows.
  • Tables 1 and 2 show the results of permeability and workability.
  • Example 3 Example 4 Comparative Example 5
  • the elastic chips of Examples 1 to 7 have an L / D of 2 to 20 and an angle of 90 to 179 degrees, and have a high porosity, and thus have excellent water permeability and excellent workability. There is this.

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  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Road Paving Structures (AREA)

Abstract

L'invention concerne également une puce élastique pour le remplissage de gazon artificiel et le pavage du sol. La puce élastique comprend un matériau polymère à base de caoutchouc et a une structure en forme de tige dont les deux surfaces d'extrémité sont plates et la longueur longitudinale est plus longue qu'au moins le diamètre de section transversale de celle-ci, la longueur de la puce élastique étant de 2 à 20 fois celle du diamètre de section transversale.
PCT/KR2017/004193 2016-07-28 2017-04-19 Puce élastique pour le remplissage de gazon artificiel et sol de pavage WO2018021659A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020160095938A KR101723817B1 (ko) 2016-07-28 2016-07-28 인조잔디 충진용 및 그라운드 포장용 탄성칩
KR10-2016-0095938 2016-07-28

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WO2018021659A1 true WO2018021659A1 (fr) 2018-02-01

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KR101789049B1 (ko) * 2017-07-06 2017-10-23 (주)동양에코텍 인조잔디용 충전재 및 이것의 제조 방법
KR102304524B1 (ko) 2020-04-07 2021-09-27 필드터프승목 주식회사 인조잔디 및 이의 제조방법
KR102203080B1 (ko) * 2020-05-22 2021-01-14 주식회사 디와이에코 인조잔디 충진재 제조 방법 및 이에 의해 제조된 인조잔디 충진재
KR102255047B1 (ko) * 2020-10-13 2021-05-24 에코텍 주식회사 미세플라스틱 저감용 인조잔디 술과 미세고무분말 저감용 충진재를 포함하는 인조 잔디 시스템 및 그 시공 방법
KR102343217B1 (ko) * 2021-05-03 2021-12-27 주식회사 액션필드 미세플라스틱 발생 저감 및 충격 흡수력이 우수한 인조잔디 제조 및 시스템
KR102343204B1 (ko) * 2021-05-12 2022-01-04 에코텍 주식회사 배수판을 가지는 미세플라스틱 저감 및 충격 흡수성이 우수한 인조잔디 제조 및 시스템

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KR20090118832A (ko) * 2008-05-13 2009-11-18 스미도모 고무 고교 가부시기가이샤 인조 잔디 충전용 입상물 및 이 인조 잔디 충전용 입상물을 충전하여 이루어지는 인조 잔디 구조체
KR100973167B1 (ko) * 2008-02-12 2010-07-30 주식회사 폴리원 인조 잔디 지지용 탄성 충진재 및 그의 제조 방법
JP4607473B2 (ja) * 2004-02-10 2011-01-05 積水樹脂株式会社 人工芝生製グラウンド
KR101149423B1 (ko) * 2011-09-09 2012-05-24 주식회사 한국티알 인조 잔디 및 이를 포함하는 인조 잔디 구조체
KR101400101B1 (ko) * 2013-11-12 2014-05-28 (주)대건씨앤엘 인조잔디 충진용 에스이비에스 고무칩 제조방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4607473B2 (ja) * 2004-02-10 2011-01-05 積水樹脂株式会社 人工芝生製グラウンド
KR100973167B1 (ko) * 2008-02-12 2010-07-30 주식회사 폴리원 인조 잔디 지지용 탄성 충진재 및 그의 제조 방법
KR20090118832A (ko) * 2008-05-13 2009-11-18 스미도모 고무 고교 가부시기가이샤 인조 잔디 충전용 입상물 및 이 인조 잔디 충전용 입상물을 충전하여 이루어지는 인조 잔디 구조체
KR101149423B1 (ko) * 2011-09-09 2012-05-24 주식회사 한국티알 인조 잔디 및 이를 포함하는 인조 잔디 구조체
KR101400101B1 (ko) * 2013-11-12 2014-05-28 (주)대건씨앤엘 인조잔디 충진용 에스이비에스 고무칩 제조방법

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