WO2023108308A1 - Method for preparing pre-cast polyurethane surface layer for use in laying sports field - Google Patents

Method for preparing pre-cast polyurethane surface layer for use in laying sports field Download PDF

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Publication number
WO2023108308A1
WO2023108308A1 PCT/CN2021/000237 CN2021000237W WO2023108308A1 WO 2023108308 A1 WO2023108308 A1 WO 2023108308A1 CN 2021000237 W CN2021000237 W CN 2021000237W WO 2023108308 A1 WO2023108308 A1 WO 2023108308A1
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WO
WIPO (PCT)
Prior art keywords
polyurethane
surface layer
polyurethane surface
layer
precast
Prior art date
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PCT/CN2021/000237
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French (fr)
Chinese (zh)
Inventor
李宇轩
李翯冈
Original Assignee
李宇轩
李翯冈
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Priority to PCT/CN2021/000237 priority Critical patent/WO2023108308A1/en
Publication of WO2023108308A1 publication Critical patent/WO2023108308A1/en

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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C19/00—Design or layout of playing courts, rinks, bowling greens or areas for water-skiing; Covers therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C13/00—Means for manipulating or holding work, e.g. for separate articles
    • B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/26—Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • 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
    • E01C13/04—Pavings made of prefabricated single units

Definitions

  • the invention relates to a method for preparing a pre-cast polyurethane surface layer for laying on sports grounds, in particular to a method for integrally forming a non-slip surface layer by using a circulating conveyor belt and presetting granular grooves on the surface of a soft mold.
  • Process for the preparation of precast polyurethane skins with granular surfaces are particularly useful for the preparation of precast polyurethane skins with granular surfaces.
  • the existing technology has quality defects such as uneven stirring, uneven thickness, uneven elasticity, and easy weathering, or poor weather resistance caused by the rubber surface layer.
  • quality defects such as uneven stirring, uneven thickness, uneven elasticity, and easy weathering, or poor weather resistance caused by the rubber surface layer.
  • disadvantages such as good surface properties, easy deterioration of surface properties and damage by needle shoes, or the need to set up long giant molds and cannot be continuously produced.
  • the applicant in this case has applied for and approved the patented technology of China Certificate No. 3366009 (Patent No.
  • Taiwan Invention Patent I565854 and the above-mentioned patented technology can enable the application of the polyurethane surface layer of the sports field to achieve rapid construction and reduce costs Moreover, it meets the effect of economic benefit, and can effectively solve the problems of the prior art.
  • the above-mentioned patented technology owned by the applicant of this case still has the problem that the surface layer particles (or runway particles) of the polyurethane surface layer are easy to fall off, and an additional "(c-1) must be added in the manufacturing process.
  • it further includes a surface powder laying operation, which is used to uniformly lay one or a combination of PU powder, PU particles, rubber powder, and rubber particles on the surface of the continuous PU layer, so as to On the surface of the continuous PU layer, the step of forming a surface layer structure of raised anti-skid particles (please refer to the technical content of the above-mentioned patent), thus causing the problem of relatively increased material costs. Therefore, the applicant in this case proposes an effective improvement plan for the above-mentioned patented technology owned by himself.
  • the main purpose of the present invention is to provide a kind of preparation method for laying on the precast type polyurethane surface layer that sports field uses, and it is to arrange a continuous soft mold on a circulation bearing surface of a circulation conveyer belt and The surface of the soft mold is evenly distributed with a plurality of granular grooves of different depths, and then a viscous polyurethane material is continuously and evenly coated on the soft mold from the front end of the circulating conveyor belt, In order to form a long strip with uniform width and uniform thickness and the granular groove provided on the surface of the soft mold to form a polyurethane surface layer with a non-slip granular surface for laying on sports grounds, thereby Effectively solve many problems of the prior art.
  • the present invention provides a method for preparing a precast polyurethane surface layer for laying on a sports field, which includes the following steps: providing an endless conveyor belt with a tool from its front end to its rear end Circular and continuous conveying cyclic bearing surface, and at least one heating and curing zone is provided during the continuous conveying process from the front end to the rear end; a continuous soft mold is provided and set on the cyclic bearing surface of the cyclic conveyor belt On the surface, the surface of the soft mold is evenly distributed with a plurality of granular grooves of different shades; and then a viscous polyurethane (Polyurethane) material is continuously and evenly coated from the front end of the endless conveyor belt.
  • a viscous polyurethane (Polyurethane) material is continuously and evenly coated from the front end of the endless conveyor belt.
  • the granular groove provided on the surface of the soft mold is integrally formed with an anti-slip granular surface, which is equivalent to the use effect of surface layer particles or runway particles; and then the long strip formed by the polyurethane surface layer is conveyed by the circulation The rear end of the belt is fed out, thereby completing a pre-cast polyurethane surface with a non-slip granular surface for laying on the sports field.
  • the long strip of the pre-cast polyurethane surface layer is sent out from the rear end of the endless conveyor belt, the long strip of the polyurethane surface layer is rolled into a bundle rolls, each of which has a length.
  • the width of the long strip of the polyurethane surface layer is 1.25m for a standard single track and field track.
  • the viscous polyurethane material is produced by mixing liquid isocyanate or polyisocyanate and liquid polyol or polyol.
  • the viscous polyurethane material uses an extender with a mixing ratio of 0% to 50% and a plasticizer with a mixing ratio of 0% to 30%.
  • the hardness of the viscous polyurethane material after heating and curing is 20° to 70°A.
  • the soft mold has a certain length, wherein when the soft mold is sent out from the rear end of the endless conveyor belt, the soft mold can be rolled into a bundle, Or keep inseparable with the long strip of the polyurethane surface layer and roll together into a bundle for separation when subsequent operations are carried out.
  • the flexible mold can be integrated with the endless conveyor belt for synchronous circulation, or placed but not combined on a section of the endless conveyor belt.
  • the flexible mold is made of silicone resin (Silicone), polyvinyl chloride (Polyvinyl Chloride), polypropylene (Polypropylene), polyethylene (Polyethylene), ethylene/vinyl acetate copolymer (Ethylene Vinyl Acetate), ethylene propylene rubber (EPDM), rubber (Rubber), synthetic rubber (Synthetic rubber) or polyethylene terephthalate (Polyethylene terephthalate).
  • each side of the flexible mold is provided with an upwardly protruding baffle plate for blocking the viscous polyurethane (Polyurethane) material and thereby defining the polyurethane surface layer or the strip The width or thickness of the strip after forming.
  • Polyurethane viscous polyurethane
  • each side of the circular conveyor belt is provided with an upwardly protruding baffle plate for blocking the viscous polyurethane material (Polyurethane) and thereby defining the polyurethane surface layer or the long The width or thickness of the strip after forming.
  • Polyurethane viscous polyurethane material
  • each base layer forming step for further forming at least one base layer with a uniform thickness on the opposite surface of the anti-slip granular surface of the polyurethane surface layer during the manufacturing process, wherein each The base layer is formed by using a viscous base material selected from other than polyurethane materials (and preferably cheaper), so that the polyurethane surface layer that originally has the anti-slip granular surface can further include at least one layer made of the viscous
  • Each of the base layers formed by the shape base material forms a composite polyurethane surface layer.
  • each base layer is formed and prefabricated using a viscous base material selected from materials other than polyurethane (and preferably less expensive) Form a long strip and be rolled into a bundle; wherein each of the base layers is bonded to the long strip of the polyurethane surface layer in the manufacturing process to form a continuous long strip, thereby making the
  • the polyurethane surface layer of the anti-slip granular surface can further comprise at least one layer of each of the base layers formed by the viscous base material to form a composite polyurethane surface layer.
  • the thickness of the polyurethane surface layer having the anti-slip granular surface is 1 to 3 mm; the thickness of each of the base layers is 3 to 13 mm .
  • a release film is further provided on the surface of the flexible mold so that the flexible mold and the polyurethane surface layer can be easily separated for subsequent operations.
  • Fig. 1 is a schematic plan view of an embodiment of the preparation method of the present invention.
  • Fig. 2 is the three-dimensional schematic view of making a long strip of polyurethane surface layer with an anti-slip granular surface in Fig. 1 (both sides of the endless conveyor belt are respectively provided with a baffle plate).
  • Fig. 3 is a schematic plan view of another embodiment of the preparation method of the present invention.
  • Fig. 4 is the three-dimensional schematic diagram of making a continuous polyurethane surface layer with an anti-slip granular surface in Fig. 3 (both sides of the soft mold are respectively provided with a baffle plate).
  • Fig. 5 is a schematic side plan view of an embodiment of the polyurethane surface layer made in the present invention.
  • Fig. 6 is a schematic side view of an embodiment of a composite polyurethane surface layer made in the present invention.
  • Fig. 7 is a partially enlarged schematic cross-sectional plan view of the flexible mold of the present invention.
  • Fig. 8 is a schematic plan view of another embodiment of the present invention (the flexible mold and the long strip of the polyurethane surface layer are kept inseparable and rolled together into a bundle).
  • Fig. 9 is a schematic plan view of another embodiment of the composite polyurethane surface layer made in the present invention.
  • Fig. 10 is a schematic exploded plan view of the composite polyurethane surface layer of the present invention.
  • Fig. 11 is a schematic front plan view of Fig. 2 or Fig. 4 (both sides of the endless conveyor belt or the flexible mould) respectively provided with a protruding baffle plate and used to make a polyurethane surface layer.
  • FIG. 12 is a schematic front plan view for making a composite polyurethane surface layer in FIG. 11 .
  • the present invention provides a kind of preparation method of the precast polyurethane surface layer that is used for laying on the sports field, can accelerate the manufacture of the polyurethane surface layer that is used for the sports field or follow-up on-site construction for the manufacturing end, and still Can meet the elasticity and the anti-slip roughness of the surface stipulated by the International Federation of Athletics Federations for the track and field track, the preparation method of the present invention mainly comprises the following steps:
  • An endless conveyor belt 10 is provided, which is provided with a circular bearing surface 11 that is circulated from its front end 12 to its rear end 13 and is continuously transported, and on the endless conveyor belt 10 from the front end 12 to the rear end 13 is provided with at least one heating and curing zone 20 during the continuous conveying process, as shown in FIGS. 1 and 3 . Since the structure of each heating and curing zone 20 or its control techniques such as temperature control and time control can be achieved by using existing technologies in the field, and are not the focus of the present invention, they will not be repeated here.
  • the flexible mold 30 is made of silicone resin (Silicone), polyvinyl chloride (Polyvinyl Chloride), polypropylene (Polypropylene), polyethylene (Polyethylene), ethylene/vinyl acetate copolymer (Ethylene Vinyl Acetate), ethylene propylene rubber (EPDM), rubber (Rubber), synthetic rubber (Synthetic rubber) or polyethylene terephthalate (Polyethylene terephthalate), but not limited.
  • a viscous polyurethane (Polyurethane) material 40 is provided by mixing liquid isocyanate or polyisocyanate (Isocyanate) with liquid polyol or polypolyol (Polyol), but not Restrictions; Wherein the viscous polyurethane material 40 uses fillers with a mixing ratio of 0% to 50% and plasticizers with a mixing ratio of 0% to 30%, but not limited. Since the composition technology of the viscous polyurethane material 40 is the prior art in the field of chemical industry, and can be achieved by utilizing the prior art in this field, and is not the focus of the present invention, it will not be repeated here.
  • the viscous polyurethane material 40 is continuously and evenly coated on the surface of the soft mold 30 from the front end 12 of the endless conveyor belt 10, so that the viscous polyurethane material 40 can be placed on the soft mold
  • a non-slip granular surface 41 and a continuous pre-cast polyurethane surface layer 40a (as shown in Figure 5) of uniform thickness and width.
  • the anti-slip granular surface 41 (as shown in FIG. 5 ) is integrally formed on the surface layer 40a, and the anti-slip granular surface 41 is equivalent to making the polyurethane surface layer 40a have the structure and function of surface particles or raceway particles.
  • the hardness of the polyurethane surface layer 40 a (as shown in FIG. 5 ) formed after the viscous polyurethane material 40 is heated and cured is 20° to 70°A, but not limited.
  • step (e) when the strip 40b of the polyurethane surface layer 40a was sent out from the rear end 13 of the endless conveyor belt 10, the strip 40b of the polyurethane surface layer 40a was It is rolled into a bundle 40c, and each bundle 40c has a length, so as to facilitate the storage, storage or handling of the polyurethane surface layer 40a (ie, the long strip 40b).
  • each this baffle plate 32 is to be used as or limit this polyurethane surface layer 40a or its formed
  • the side edges of the long strip 40b during continuous molding can smoothly produce the polyurethane surface layer 40a or the long strip 40b with equal thickness and constant width.
  • an upwardly protruding baffle plate 14 is respectively provided on the both sides of the endless conveyor belt 10, and each of the baffle plates 14 is used as or to define the polyurethane surface layer 40a or by its The formed side edge of the long strip 40b during molding can smoothly produce the polyurethane surface layer 40a or the long strip 40b with equal thickness and constant width.
  • the width of the polyurethane surface layer 40a or the long strip 40b can be designed to be 1.25m for a standard single track and field track, but it is not limited.
  • the present invention is further provided with a release film 50 on the surface of the soft mold 30, but not limited, wherein the release film 50 can utilize a release film bundle (not shown) to be arranged on the The outside of the front end 12 of the endless conveyor belt 10, so that the release film bundle can continuously provide the release film 50 to enter and lay on the soft mold 30 by the front end 12 of the endless conveyor belt 10 on the surface of the mold so that the release film 50 can be conveyed and moved synchronously with the circulating bearing surface 11 (see the left side of FIG.
  • the polyurethane material 40 can be coated on the release film 50 .
  • the release The film 50 can also be rolled up with the polyurethane surface layer 40a or the long strip 40b (not shown), so as to facilitate the maintenance of easily separable non-sticking between the adjacent polyurethane surface layers 40a in the bundle 40c. state.
  • the preparation method of precast type polyurethane top layer of the present invention still has following embodiment, is described as follows respectively:
  • a precasting step comprising at least one base layer is further included to form at least one base layer 60a (as shown in Figure 6 Shown), each base layer 60a (as shown in Figure 6) molding step is to pre-cast each base layer 60a (as shown in Figure 6 ) on the opposite surface of the anti-slip granular surface 41 of the polyurethane surface layer 40a ) to form a composite polyurethane surface layer 70 or a continuous strip formed by the composite polyurethane surface layer 70, as shown in FIGS. 1, 3 and 6.
  • Each of the base layers 60a is formed by using the viscous base material 60 other than the viscous polyurethane material 40, and the viscous base material 60 is continuously and evenly coated on the non-slip granular surface 41 of the polyurethane surface layer 40a on the opposite side, so that the viscous base material 60 can form at least one base layer 60a (as shown in FIG.
  • the composite polyurethane surface layer 70 (as shown in Figure 6) to be changed to include a layer of thickness of the polyurethane surface layer 40a with an anti-slip granular surface 41 and the thickness of each of the base layers 60a, as shown in Figure 6 That is to say, the polyurethane surface layer 40a or the long strip 40b formed by the viscous polyurethane material 40 in the step (d) of the original embodiment is changed to a thinner layer But still have the polyurethane layer of the thin-layer structure of the anti-slip granular surface 41, that is, the polyurethane surface layer 40a or the long strip 40b formed in the original step (d) is only a thinner thin-layer structure.
  • each of the base layer 60a (as shown in Figure 6) molding steps to pre-cast another thin layer by the viscous base material 60 on the opposite side of the anti-slip granular surface 41 of the polyurethane layer
  • the structure is regarded as each of the base layers 60a.
  • the thickness of the polyurethane surface layer 40a is 1 to 3mm, but not limited, and the thickness of each of the base layers 60a is 3 to 13mm, but not limited.
  • a precasting step further comprising at least one base layer is formed to form at least one base layer 60a (as shown in Figure 6 ), wherein each of the base layers 60a is formed by using the viscous base material 60 selected from materials other than polyurethane materials, wherein each of the base layers 60a is prefabricated to form a long strip and rolled into a bundle, as shown in Figure 9 wherein each of the base layers 60a is bonded with the polyurethane surface layer 40a having the non-slip granular surface 41 in the manufacturing process to form a continuous long strip composed of the composite polyurethane surface layer 70, as shown in Figures 6 and 9
  • the thickness of the composite polyurethane surface layer 70 is equal to the thickness of the polyurethane surface layer 40a plus the thickness of each of the base layers 60a.
  • the thickness of the polyurethane surface layer 40a is 1 to 3mm, but not limited, and the thickness
  • the continuous soft mold 30 has a certain length; When sent out at 13, the soft mold 30 is rolled into a bundle, but not limited, so as to facilitate the storage, storage or transportation of the soft mold 30.
  • the soft mold 30 has a certain length; wherein in step (e), when the soft mold 30 is sent out from the rear end 13 of the endless conveyor belt 10 , the flexible mold 30 is shipped together with the long strip 40b of the continuous polyurethane surface layer 40a and rolled up, but not limited (you can also choose not to roll up), and the sports field will be installed later.
  • the strip 40b is released from the soft mold 30 to carry out construction work, so as to increase the protection of the strip 40b; wherein the soft mold 30 is only in a process Placed on, but not in conjunction with, the endless conveyor belt 10 on the endless conveyor belt 10 , without limitation.
  • the flexible mold 30 is integrated with the endless conveyor belt 10, but not limited, to facilitate the continuous production of the strip 40b without interruption (unless artificial or program to interrupt the job).
  • the manufacturer or manufacturer can also bring the prepared anti-slip granular surface 41 (rolled into a bundle) and each of the base layers 60a (rolled into a bundle) to the construction site for combination, as shown in FIG. 10 It is beneficial to easy transportation and easy construction.
  • the above-mentioned anti-slip granular surface 41 (rolled into a bundle) is realized by only specially manufacturing the strip 40b with the anti-slip granular surface 41 (ie, the polyurethane surface layer 40a).
  • the preparation method of the precast polyurethane surface layer used for laying on sports fields has the following advantages:
  • the flexible mold 30 of the present invention has a plurality of granular grooves 31 of different shades, and can produce the continuous polyurethane surface layer 40a with the non-slip granular surface 41 and equal thickness and equal width.
  • the long strips 40b are used to effectively solve the problem that the surface particles (ie, runway particles) of the polyurethane surface layer are easy to fall off in the prior art.
  • the composite polyurethane surface layer 70 of the present invention is composed of one layer of polyurethane surface layer 40a with anti-slip granular surface 41 and one layer of each base layer 60a, without needing to spray out runway particles in addition as in the prior art On each base layer 60a, it is helpful to reduce the construction time of the sports field and speed up the construction, as well as reduce the construction cost.

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Abstract

A method for preparing a pre-cast polyurethane surface layer for use in laying a sports field. The method comprises the following steps: providing an endless conveyor belt, which is provided with an endless bearing surface which is endlessly and continuously conveyed from the front end to the rear end thereof; arranging a continuous flexible mold on the endless bearing surface, wherein a plurality of granular grooves with different depths are uniformly distributed on a surface of the flexible mold; coating the flexible mold from the front end of the endless conveyor belt with a viscous polyurethane material in a continuous and uniform manner, so as to form a strip with a pre-cast polyurethane surface layer having equal thickness and equal width and having a non-slip granular surface; and then forming a bundle to be sent to a site and laid on a sports field, thereby simplifying the process and reducing manufacturing costs, and completing the pre-cast polyurethane surface layer having a non-slip granular surface.

Description

供铺设在运动场地使用的预铸式聚氨酯表层的制备方法Preparation method of precast polyurethane surface layer for laying on sports fields 技术领域technical field
本发明涉及一种供铺设在运动场地使用的预铸式聚氨酯表层的制备方法，特别涉及一种利用循环式输送带及在软式模具的表面上预设粒状槽以一体成型制出具有止滑粒状表面的预铸式聚氨酯表层的制备方法。The invention relates to a method for preparing a pre-cast polyurethane surface layer for laying on sports grounds, in particular to a method for integrally forming a non-slip surface layer by using a circulating conveyor belt and presetting granular grooves on the surface of a soft mold. Process for the preparation of precast polyurethane skins with granular surfaces.
背景技术Background technique
在运动场地的聚氨酯表层的制备方法领域中，现有技术存有易产生搅拌不均、厚度不平均致弹性亦不平均、易受天气影响等质量缺点，或橡胶表层皮所产生的耐候性不佳、表面物性易劣化及易被针鞋破损，或另须开设长条状巨型模具且无法连续生产等诸多缺点。本案申请人曾申请并核准取得中国证书号第3366009号(专利号ZL201510190515.7)及中国台湾发明专利I565854的专利技术，而上述专利技术能使运动场地的聚氨酯表层的应用达到快速施工、降低成本且符合经济效益的功效，并可有效解决现有技术的问题。In the field of the preparation method of the polyurethane surface layer of the sports field, the existing technology has quality defects such as uneven stirring, uneven thickness, uneven elasticity, and easy weathering, or poor weather resistance caused by the rubber surface layer. There are many disadvantages such as good surface properties, easy deterioration of surface properties and damage by needle shoes, or the need to set up long giant molds and cannot be continuously produced. The applicant in this case has applied for and approved the patented technology of China Certificate No. 3366009 (Patent No. ZL201510190515.7) and Taiwan Invention Patent I565854, and the above-mentioned patented technology can enable the application of the polyurethane surface layer of the sports field to achieve rapid construction and reduce costs Moreover, it meets the effect of economic benefit, and can effectively solve the problems of the prior art.
然而，本案申请人所拥有上述的专利技术仍存在聚氨酯表层的表层颗粒(或跑道颗粒)易脱落的问题，而且在制程中必须额外增加一“(c-1)在该连续的PU层未进行加热固化作业之前，更包含一表面粉粒铺设作业，用以在该连续的PU层表面上均匀铺设选自PU粉、PU粒、橡胶粉、橡胶粒之族群中之一种或其组合，藉以在该连续的PU层之表面形成凸起止滑粒之表层结构”步骤(请参考上述专利的技术内容)，因而产生材料成本相对增加的问题。因此，本案申请人乃针对自己所拥有的上述的专利技术，再提出有效的改进方案。However, the above-mentioned patented technology owned by the applicant of this case still has the problem that the surface layer particles (or runway particles) of the polyurethane surface layer are easy to fall off, and an additional "(c-1) must be added in the manufacturing process. Before the heating and curing operation, it further includes a surface powder laying operation, which is used to uniformly lay one or a combination of PU powder, PU particles, rubber powder, and rubber particles on the surface of the continuous PU layer, so as to On the surface of the continuous PU layer, the step of forming a surface layer structure of raised anti-skid particles (please refer to the technical content of the above-mentioned patent), thus causing the problem of relatively increased material costs. Therefore, the applicant in this case proposes an effective improvement plan for the above-mentioned patented technology owned by himself.
发明内容Contents of the invention
本发明的主要目的在于提供一种供铺设在运动场地使用的预铸式聚氨酯表层的制备方法，其为在一循环式输送带的一循环式承置面上设置一连续的软式模具且在该软式模具的表面上均匀分布设有多个深浅不一的粒状槽，再利用一黏稠状聚氨酯材由该循环式输送带的前端处连续地且均匀地涂布于该软式模具上，借以形成一具有均等宽度及均匀厚度并借由该软式模具的表面上所设的该粒状槽来形成一具有止滑粒状表面的聚氨酯表层的长条带以供铺设在运动场地使用，借此有效地解决现有技术的诸多问题。The main purpose of the present invention is to provide a kind of preparation method for laying on the precast type polyurethane surface layer that sports field uses, and it is to arrange a continuous soft mold on a circulation bearing surface of a circulation conveyer belt and The surface of the soft mold is evenly distributed with a plurality of granular grooves of different depths, and then a viscous polyurethane material is continuously and evenly coated on the soft mold from the front end of the circulating conveyor belt, In order to form a long strip with uniform width and uniform thickness and the granular groove provided on the surface of the soft mold to form a polyurethane surface layer with a non-slip granular surface for laying on sports grounds, thereby Effectively solve many problems of the prior art.
为达成上述目的，本发明提供一种供铺设在运动场地使用的预铸式聚氨酯表层的制备方法，其包括如下步骤：提供一循环式输送带，其上设具一由其前端往其后端循环且连续输送的循环式承置面，且在由前端往后端的连续输送过程中设有至少一加热固化区；提供一连续的软式模具并设置在该循环式输送带的该循环式承置面上，其中该软式模具的表面上均匀分布设有多个深浅不一的粒状槽；再利用一黏稠状聚氨酯(Polyurethane)材由该循环式输送带的前端处连续地且均匀地涂布于该软式模具上，借以在该软式模具的表面上形成一具有均等宽度及均匀厚度的连续的一预铸式的聚氨酯表层的长条带，且该聚氨酯表层的一表面上是借由该软式模具的表面所设的该粒状槽以一体成型具有一止滑粒状表面而等同具有表层颗粒或跑道颗粒的使用功效；再将该聚氨酯表层形成的该长条带由该循环式输送带的后端处送出，借此完成一具止滑粒状表面的预铸式聚氨酯表层以供铺设在运动场地上使用。In order to achieve the above object, the present invention provides a method for preparing a precast polyurethane surface layer for laying on a sports field, which includes the following steps: providing an endless conveyor belt with a tool from its front end to its rear end Circular and continuous conveying cyclic bearing surface, and at least one heating and curing zone is provided during the continuous conveying process from the front end to the rear end; a continuous soft mold is provided and set on the cyclic bearing surface of the cyclic conveyor belt On the surface, the surface of the soft mold is evenly distributed with a plurality of granular grooves of different shades; and then a viscous polyurethane (Polyurethane) material is continuously and evenly coated from the front end of the endless conveyor belt. Distributed on the flexible mold so as to form a continuous strip of a precast polyurethane surface layer with equal width and uniform thickness on the surface of the flexible mold, and one surface of the polyurethane surface layer is The granular groove provided on the surface of the soft mold is integrally formed with an anti-slip granular surface, which is equivalent to the use effect of surface layer particles or runway particles; and then the long strip formed by the polyurethane surface layer is conveyed by the circulation The rear end of the belt is fed out, thereby completing a pre-cast polyurethane surface with a non-slip granular surface for laying on the sports field.
在本发明一较佳实施例中，当该预铸式聚氨酯表层的该长条带在由该循环式输送带的后端处送出时，该聚氨酯表层的该长条带是被卷收成一捆卷，其中每一该捆卷是具有一长度。In a preferred embodiment of the present invention, when the long strip of the pre-cast polyurethane surface layer is sent out from the rear end of the endless conveyor belt, the long strip of the polyurethane surface layer is rolled into a bundle rolls, each of which has a length.
在本发明一较佳实施例中，该聚氨酯表层的该长条带的宽度为标准单一田径跑道1.25m。In a preferred embodiment of the present invention, the width of the long strip of the polyurethane surface layer is 1.25m for a standard single track and field track.
在本发明一较佳实施例中，该黏稠状聚氨酯材是由液态异氰酸酯或聚异氰酸盐(Isocyanate)与液态多元醇或聚多元醇(Polyol)所混合生成。In a preferred embodiment of the present invention, the viscous polyurethane material is produced by mixing liquid isocyanate or polyisocyanate and liquid polyol or polyol.
在本发明一较佳实施例中，其中该黏稠状聚氨酯材使用混合比例为0％至50％的添充剂及混合比例为0％至30％的可塑剂。In a preferred embodiment of the present invention, the viscous polyurethane material uses an extender with a mixing ratio of 0% to 50% and a plasticizer with a mixing ratio of 0% to 30%.
在本发明一较佳实施例中，该黏稠状聚氨酯材在加热固化后的硬度为20°至70°A。In a preferred embodiment of the present invention, the hardness of the viscous polyurethane material after heating and curing is 20° to 70°A.
在本发明一较佳实施例中，该软式模具是具有一定长度，其中当该软式模具由该循环式输送带的后端处送出时，该软式模具能被卷收成一捆卷、或与该聚氨酯表层的该长条带保持不离型而一起卷收成一捆卷以供在进行后续作业时再分离。In a preferred embodiment of the present invention, the soft mold has a certain length, wherein when the soft mold is sent out from the rear end of the endless conveyor belt, the soft mold can be rolled into a bundle, Or keep inseparable with the long strip of the polyurethane surface layer and roll together into a bundle for separation when subsequent operations are carried out.
在本发明一较佳实施例中，该软式模具是能与该循环式输送带结合成一体而一起同步循环输送，或只放置但不结合地位于该循环式输送带的一段制程上。In a preferred embodiment of the present invention, the flexible mold can be integrated with the endless conveyor belt for synchronous circulation, or placed but not combined on a section of the endless conveyor belt.
在本发明一较佳实施例中，该软式模具是由硅氧树脂(Silicone)、聚氯乙烯(Polyvinyl Chloride)、聚丙烯(Polypropylene)、聚乙烯(Polyethylene)、乙烯/醋酸乙烯酯共聚物(Ethylene Vinyl Acetate)、乙丙烯橡胶(EPDM)、橡胶(Rubber)、合成橡胶(Synthetic rubber)或聚对苯二甲酸乙二酯(Polyethylene terephthalate)所制 成。In a preferred embodiment of the present invention, the flexible mold is made of silicone resin (Silicone), polyvinyl chloride (Polyvinyl Chloride), polypropylene (Polypropylene), polyethylene (Polyethylene), ethylene/vinyl acetate copolymer (Ethylene Vinyl Acetate), ethylene propylene rubber (EPDM), rubber (Rubber), synthetic rubber (Synthetic rubber) or polyethylene terephthalate (Polyethylene terephthalate).
在本发明一较佳实施例中，该软式模具的两侧边上各设有一向上凸出的档板供用以挡止该黏稠状聚氨酯(Polyurethane)材并借以界定该聚氨酯表层或该长条带在成型之后的宽度或厚度。In a preferred embodiment of the present invention, each side of the flexible mold is provided with an upwardly protruding baffle plate for blocking the viscous polyurethane (Polyurethane) material and thereby defining the polyurethane surface layer or the strip The width or thickness of the strip after forming.
在本发明一较佳实施例中，该循环式输送带的两侧边上各设有一向上凸出的档板供用以挡止该黏稠状聚氨酯材(Polyurethane)并借以界定该聚氨酯表层或该长条带在成型之后的宽度或厚度。In a preferred embodiment of the present invention, each side of the circular conveyor belt is provided with an upwardly protruding baffle plate for blocking the viscous polyurethane material (Polyurethane) and thereby defining the polyurethane surface layer or the long The width or thickness of the strip after forming.
在本发明一较佳实施例中，其进一步包含至少一基层成型步骤，供用以在制程中进一步在该聚氨酯表层的该止滑粒状表面的相对面上形成至少一具有均匀厚度的基层，其中各该基层是利用选自聚氨酯材以外(且最好能较便宜)的一黏稠状基层材所形成，借此使原来所具有该止滑粒状表面的该聚氨酯表层能进一步包含至少一层由该黏稠状基层材所构成的各该基层以形成一复合式聚氨酯表层。In a preferred embodiment of the present invention, it further comprises at least one base layer forming step for further forming at least one base layer with a uniform thickness on the opposite surface of the anti-slip granular surface of the polyurethane surface layer during the manufacturing process, wherein each The base layer is formed by using a viscous base material selected from other than polyurethane materials (and preferably cheaper), so that the polyurethane surface layer that originally has the anti-slip granular surface can further include at least one layer made of the viscous Each of the base layers formed by the shape base material forms a composite polyurethane surface layer.
在本发明一较佳实施例中，其进一步包含至少一基层成型步骤，其中各该基层是利用选自聚氨酯材以外(且最好能较便宜)材料的一黏稠状基层材所形成并被预制形成一长条带且被卷收成一捆卷；其中各该基层是在制程中以黏贴方式与该聚氨酯表层的该长条带对应黏结以形成一连续的长条带，借此使具有该止滑粒状表面的该聚氨酯表层能进一步包含至少一层由该黏稠状基层材所构成的各该基层而形成一复合式聚氨酯表层。In a preferred embodiment of the present invention, it further comprises at least one base layer forming step, wherein each base layer is formed and prefabricated using a viscous base material selected from materials other than polyurethane (and preferably less expensive) Form a long strip and be rolled into a bundle; wherein each of the base layers is bonded to the long strip of the polyurethane surface layer in the manufacturing process to form a continuous long strip, thereby making the The polyurethane surface layer of the anti-slip granular surface can further comprise at least one layer of each of the base layers formed by the viscous base material to form a composite polyurethane surface layer.
在本发明一较佳实施例中，当该聚氨酯表层为一复合式聚氨酯表层时，其中具有该止滑粒状表面的该聚氨酯表层的厚度为1至3mm；其中各该基层的厚度为3至13mm。In a preferred embodiment of the present invention, when the polyurethane surface layer is a composite polyurethane surface layer, the thickness of the polyurethane surface layer having the anti-slip granular surface is 1 to 3 mm; the thickness of each of the base layers is 3 to 13 mm .
在本发明一较佳实施例中，其进一步于该软式模具的表面上设置一离形膜以使该软式模具与该聚氨酯表层之间能易于分离以供后续作业的需要。In a preferred embodiment of the present invention, a release film is further provided on the surface of the flexible mold so that the flexible mold and the polyurethane surface layer can be easily separated for subsequent operations.
附图说明Description of drawings
图1为本发明的制备方法一实施例的平面示意图。Fig. 1 is a schematic plan view of an embodiment of the preparation method of the present invention.
图2为图1中(循环式输送带的两侧边各设有一档板)制成一具有一止滑粒状表面的聚氨酯表层的长条带的立体示意图。Fig. 2 is the three-dimensional schematic view of making a long strip of polyurethane surface layer with an anti-slip granular surface in Fig. 1 (both sides of the endless conveyor belt are respectively provided with a baffle plate).
图3为本发明的制备方法另一实施例的平面示意图。Fig. 3 is a schematic plan view of another embodiment of the preparation method of the present invention.
图4为图3中(软式模具的两侧边各设有一档板)制成一具有一止滑粒状表面的连续的聚氨酯表层的长条带的立体示意图。Fig. 4 is the three-dimensional schematic diagram of making a continuous polyurethane surface layer with an anti-slip granular surface in Fig. 3 (both sides of the soft mold are respectively provided with a baffle plate).
图5为本发明制成的聚氨酯表层一实施例的平面侧视示意图。Fig. 5 is a schematic side plan view of an embodiment of the polyurethane surface layer made in the present invention.
图6为本发明制成的复合式聚氨酯表层一实施例的平面侧视示意图。Fig. 6 is a schematic side view of an embodiment of a composite polyurethane surface layer made in the present invention.
图7为本发明的软式模具局部放大的平面剖视示意图。Fig. 7 is a partially enlarged schematic cross-sectional plan view of the flexible mold of the present invention.
图8为本发明另一实施例(软式模具与聚氨酯表层的长条带保持不离型而一起卷收成一捆卷)的平面示意图。Fig. 8 is a schematic plan view of another embodiment of the present invention (the flexible mold and the long strip of the polyurethane surface layer are kept inseparable and rolled together into a bundle).
图9为本发明制成复合式聚氨酯表层的另一实施例的平面示意图。Fig. 9 is a schematic plan view of another embodiment of the composite polyurethane surface layer made in the present invention.
图10为本发明的复合式聚氨酯表层的平面分解示意图。Fig. 10 is a schematic exploded plan view of the composite polyurethane surface layer of the present invention.
图11为图2或图4中(循环式输送带或软式模具的两侧边)各设有一凸出的档板且用以制成一聚氨酯表层的正视平面示意图。Fig. 11 is a schematic front plan view of Fig. 2 or Fig. 4 (both sides of the endless conveyor belt or the flexible mould) respectively provided with a protruding baffle plate and used to make a polyurethane surface layer.
图12为图11中用以制成一复合式聚氨酯表层的正视平面示意图。FIG. 12 is a schematic front plan view for making a composite polyurethane surface layer in FIG. 11 .
符号说明：Symbol Description:
10——循环式输送带10——circular conveyor belt
11——循环式承置面11——circular bearing surface
12——前端12 - front end
13——后端13 - Backend
14——挡板14 - baffle
20——加热固化区20——heating and curing zone
30——软式模具30——soft mold
31——粒状槽31 - granular groove
32——挡板32 - baffle
40——黏稠状聚氨酯材40——Viscous polyurethane material
40a——聚氨酯表层40a——Polyurethane surface layer
40b——长条带40b - long strip
40c——捆卷40c - bundles
41——止滑粒状表面41—Anti-slip granular surface
50——离形膜50——Release film
60——黏稠状基层材60——Viscous base material
60a——基层60a - grassroots
70——复合式聚氨酯表层70—Composite polyurethane surface layer
具体实施方式Detailed ways
配合附图，将本发明的结构及其技术特征详述如后，其中各附图只用以说明本发明的结构关系及相关功能，因此各附图中各组件的尺寸并非依实际比例画制且非用以限制本发明。In conjunction with the accompanying drawings, the structure and technical features of the present invention are described in detail below. The accompanying drawings are only used to illustrate the structural relationship and related functions of the present invention, so the dimensions of the components in the accompanying drawings are not drawn according to actual scale. And it is not intended to limit the present invention.
参考图1至4，本发明是提供一种供铺设在运动场地使用的预铸式聚氨酯表层的制备方法，供制造端能加快完成运动场地所用的聚氨酯表层的制造或后续的现场施工，且仍然能符合国际田径联盟对田径跑道所规定的弹性及表面止滑粗糙度，本发明的制备方法主要包含下列步骤：With reference to Fig. 1 to 4, the present invention provides a kind of preparation method of the precast polyurethane surface layer that is used for laying on the sports field, can accelerate the manufacture of the polyurethane surface layer that is used for the sports field or follow-up on-site construction for the manufacturing end, and still Can meet the elasticity and the anti-slip roughness of the surface stipulated by the International Federation of Athletics Federations for the track and field track, the preparation method of the present invention mainly comprises the following steps:
(a)提供一循环式输送带10，该循环式输送带10上设具一由其前端12往其后端13循环且连续输送的循环式承置面11，且在由前端12往后端13的连续输送过程中设有至少一加热固化区20，如图1及3所示。由于各该加热固化区20的结构或其操控技术如温度控制及时间控制等，皆可利用本领域的现有技术来达成，且非本发明的诉求重点，故在此不再赘述。(a) An endless conveyor belt 10 is provided, which is provided with a circular bearing surface 11 that is circulated from its front end 12 to its rear end 13 and is continuously transported, and on the endless conveyor belt 10 from the front end 12 to the rear end 13 is provided with at least one heating and curing zone 20 during the continuous conveying process, as shown in FIGS. 1 and 3 . Since the structure of each heating and curing zone 20 or its control techniques such as temperature control and time control can be achieved by using existing technologies in the field, and are not the focus of the present invention, they will not be repeated here.
(b)提供一连续的软式模具30并设置在该循环式输送带10的该循环式承置面11上，该软式模具30的表面上均匀分布设具多个深浅不一的粒状槽31，如图7所示；其中该软式模具30是由硅氧树脂(Silicone)、聚氯乙烯(Polyvinyl Chloride)、聚丙烯(Polypropylene)、聚乙烯(Polyethylene)、乙烯/醋酸乙烯酯共聚物(Ethylene Vinyl Acetate)、乙丙烯橡胶(EPDM)、橡胶(Rubber)、合成橡胶(Synthetic rubber)或聚对苯二甲酸乙二酯(Polyethylene terephthalate)所制成，但不限制。(b) Provide a continuous soft mold 30 and set it on the circulating bearing surface 11 of the endless conveyor belt 10, the surface of the soft mold 30 is evenly distributed with a plurality of granular grooves of different depths 31, as shown in Figure 7; Wherein the flexible mold 30 is made of silicone resin (Silicone), polyvinyl chloride (Polyvinyl Chloride), polypropylene (Polypropylene), polyethylene (Polyethylene), ethylene/vinyl acetate copolymer (Ethylene Vinyl Acetate), ethylene propylene rubber (EPDM), rubber (Rubber), synthetic rubber (Synthetic rubber) or polyethylene terephthalate (Polyethylene terephthalate), but not limited.
(c)提供一黏稠状聚氨酯(Polyurethane)材40；该黏稠状聚氨酯材40是由液态异氰酸酯或聚异氰酸盐(Isocyanate)与液态多元醇或聚多元醇(Polyol)所混合生成，但不限制；其中该黏稠状聚氨酯材40使用混合比例为0％至50％的添充剂及混合比例为0％至30％的可塑剂，但不限制。由于该黏稠状聚氨酯材40的组成技术是化工领域的现有技术，且可利用本领域的现有技术来达成，且非本发明的诉求重点，故在此不再赘述。(c) Provide a viscous polyurethane (Polyurethane) material 40; the viscous polyurethane material 40 is formed by mixing liquid isocyanate or polyisocyanate (Isocyanate) with liquid polyol or polypolyol (Polyol), but not Restrictions; Wherein the viscous polyurethane material 40 uses fillers with a mixing ratio of 0% to 50% and plasticizers with a mixing ratio of 0% to 30%, but not limited. Since the composition technology of the viscous polyurethane material 40 is the prior art in the field of chemical industry, and can be achieved by utilizing the prior art in this field, and is not the focus of the present invention, it will not be repeated here.
(d)将该黏稠状聚氨酯材40由该循环式输送带10的前端12处连续地且均匀地涂布于该软式模具30的表面上，以使该黏稠状聚氨酯材40能在该软式模具30的表面上一体形成一具有止滑粒状表面41且具有均等厚度及宽度的一连续的预铸式的聚氨酯表层40a(如图5所示)的长条带40b，如图1至4所示，其中且该聚氨酯表层40a的一表面(即如图1至4所示该聚氨酯表层40a的底面)上是借由该软式模具30的表面所设的该粒状槽31以在该聚氨酯表层40a上一体成型该止滑粒状表面41(如图5所示)，而该止滑粒状表面41是等同于使该聚氨酯表层40a具有表 层颗粒或跑道颗粒的结构型态及使用功效。(d) The viscous polyurethane material 40 is continuously and evenly coated on the surface of the soft mold 30 from the front end 12 of the endless conveyor belt 10, so that the viscous polyurethane material 40 can be placed on the soft mold On the surface of the type mold 30, one is integrally formed with a non-slip granular surface 41 and a continuous pre-cast polyurethane surface layer 40a (as shown in Figure 5) of uniform thickness and width. As shown, wherein and on a surface of the polyurethane surface layer 40a (i.e. the bottom surface of the polyurethane surface layer 40a shown in FIGS. The anti-slip granular surface 41 (as shown in FIG. 5 ) is integrally formed on the surface layer 40a, and the anti-slip granular surface 41 is equivalent to making the polyurethane surface layer 40a have the structure and function of surface particles or raceway particles.
(e)使由该聚氨酯表层40a所形成的该长条带40b由该循环式输送带10的后端13处送出，即完成一具止滑粒状表面41的预铸式聚氨酯表层(即该聚氨酯表层40a)，如图5所示。(e) Make the long strip 40b formed by the polyurethane surface layer 40a sent out from the rear end 13 of the endless conveyor belt 10, so as to complete a precast polyurethane surface layer with an anti-slip granular surface 41 (i.e. the polyurethane Surface layer 40a), as shown in FIG. 5 .
该黏稠状聚氨酯材40在加热固化后所形成的该聚氨酯表层40a(如图5所示)的硬度为20°至70°A但不限制。The hardness of the polyurethane surface layer 40 a (as shown in FIG. 5 ) formed after the viscous polyurethane material 40 is heated and cured is 20° to 70°A, but not limited.
参考图1至4，在步骤(e)中，当该聚氨酯表层40a的该长条带40b由该循环式输送带10的后端13处送出时，该聚氨酯表层40a的该长条带40b是被卷收成一捆卷40c，且每一该捆卷40c具有一长度，以有利于该聚氨酯表层40a(即该长条带40b)的收存、仓储或搬运。1 to 4, in step (e), when the strip 40b of the polyurethane surface layer 40a was sent out from the rear end 13 of the endless conveyor belt 10, the strip 40b of the polyurethane surface layer 40a was It is rolled into a bundle 40c, and each bundle 40c has a length, so as to facilitate the storage, storage or handling of the polyurethane surface layer 40a (ie, the long strip 40b).
参考图3、4及图11，该软式模具30的两侧边上各设有一向上凸出的挡板32，各该挡板32是用以当作或界定该聚氨酯表层40a或其所形成的该长条带40b在连续成型时的侧边缘面，借以能顺利产出具有等厚度及等宽度的该聚氨酯表层40a或该长条带40b。With reference to Fig. 3,4 and Fig. 11, on the both sides of this flexible mold 30, respectively be provided with an upwardly protruding baffle plate 32, each this baffle plate 32 is to be used as or limit this polyurethane surface layer 40a or its formed The side edges of the long strip 40b during continuous molding can smoothly produce the polyurethane surface layer 40a or the long strip 40b with equal thickness and constant width.
参考图1、2及图11，该循环式输送带10的两侧边上各设有一向上凸出的挡板14，各该挡板14是用以当作或界定该聚氨酯表层40a或由其所形成的该长条带40b在成型时的侧边缘面，借以能顺利产出具有等厚度及等宽度的该聚氨酯表层40a或该长条带40b。Referring to Fig. 1, 2 and Fig. 11, an upwardly protruding baffle plate 14 is respectively provided on the both sides of the endless conveyor belt 10, and each of the baffle plates 14 is used as or to define the polyurethane surface layer 40a or by its The formed side edge of the long strip 40b during molding can smoothly produce the polyurethane surface layer 40a or the long strip 40b with equal thickness and constant width.
此外，该聚氨酯表层40a或该长条带40b的宽度可设计为标准单一田径跑道1.25m但不限制。In addition, the width of the polyurethane surface layer 40a or the long strip 40b can be designed to be 1.25m for a standard single track and field track, but it is not limited.
参考图1，本发明更于该软式模具30的表面上设置一离形膜50，但不限制，其中该离形膜50可利用一离形膜捆卷(图未示)以设置在该循环式输送带10的该前端12的外部处，以使离形膜捆卷能连续地提供该离形膜50以由该循环式输送带10的该前端12进入并铺设于该软式模具30的表面上，以使该离形膜50能随该循环式承置面11同步输送移动(见图1的左方)，借此使涂布于该软式模具30的表面上的该黏稠状聚氨酯材40能涂布在该离形膜50上。而当制成的该聚氨酯表层40a或该长条带40b由该循环式输送带10的该后端13处送出或再卷收成一捆卷40c时(见图1的右方)，该离形膜50亦能随该聚氨酯表层40a或该长条带40b卷收(未图示)，以有利于使该捆卷40c中相邻接的该聚氨酯表层40a之间保持可简易分离的不沾黏状态。With reference to Fig. 1, the present invention is further provided with a release film 50 on the surface of the soft mold 30, but not limited, wherein the release film 50 can utilize a release film bundle (not shown) to be arranged on the The outside of the front end 12 of the endless conveyor belt 10, so that the release film bundle can continuously provide the release film 50 to enter and lay on the soft mold 30 by the front end 12 of the endless conveyor belt 10 on the surface of the mold so that the release film 50 can be conveyed and moved synchronously with the circulating bearing surface 11 (see the left side of FIG. The polyurethane material 40 can be coated on the release film 50 . And when the polyurethane surface layer 40a made or the strip 40b is sent out from the rear end 13 of the endless conveyor belt 10 or rewound into a bundle 40c (seeing the right side of Fig. 1), the release The film 50 can also be rolled up with the polyurethane surface layer 40a or the long strip 40b (not shown), so as to facilitate the maintenance of easily separable non-sticking between the adjacent polyurethane surface layers 40a in the bundle 40c. state.
本发明的预铸式聚氨酯表层的制备方法尚有以下实施例，分别说明如下：The preparation method of precast type polyurethane top layer of the present invention still has following embodiment, is described as follows respectively:
参考图1、3、6及12中所示的实施例，在步骤(d)与步骤(e)之间，更包含至少一基层的预铸步骤以成型出至少一基层60a(如图6所示)，各该基层60a(如图6所示)成型步骤是在该聚氨酯表层40a的该止滑粒状表面41的相对面上再预铸成型一层的各该基层60a(如图6所示)以组成一复合式聚氨酯表层70或一由该复合式聚氨酯表层70所构成的连续的长条带，如图1、3及6所示。各该基层60a是利用选自黏稠状聚氨酯材40以外的该黏稠状基层材60来形成，将该黏稠状基层材60连续地且均匀地涂布于该聚氨酯表层40a的该止滑粒状表面41的相对面上，以使该黏稠状基层材60能在该聚氨酯表层40a(或长条带40b)的表面上再形成至少一具有均等厚度及宽度的基层60a(如图6所示)，借此使制造完成的该复合式聚氨酯表层70(如图6所示)能改变成包含一层具有止滑粒状表面41的聚氨酯表层40a的厚度及一层各该基层60a的厚度，如图6所示，也就是说，将原来实施例的步骤(d)中由该黏稠状聚氨酯材40所预铸成型出的该聚氨酯表层40a或其所形成的该长条带40b改变设计成一层厚度较薄但仍具有该止滑粒状表面41的薄层结构体的聚氨酯层，即原步骤(d)完成的该聚氨酯表层40a或其所形成的该长条带40b只是一厚度较薄的薄层结构体，之后再借各该基层60a(如图6所示)成型步骤以在该聚氨酯层的止滑粒状表面41的相对面上再借由该黏稠状基层材60来预铸成型另一的薄层结构体以当作各该基层60a。此外，该聚氨酯表层40a的厚度为1至3mm，但不限制，该各该基层60a的厚度为3至13mm，但不限制。Referring to the embodiment shown in Figures 1, 3, 6 and 12, between step (d) and step (e), a precasting step comprising at least one base layer is further included to form at least one base layer 60a (as shown in Figure 6 Shown), each base layer 60a (as shown in Figure 6) molding step is to pre-cast each base layer 60a (as shown in Figure 6 ) on the opposite surface of the anti-slip granular surface 41 of the polyurethane surface layer 40a ) to form a composite polyurethane surface layer 70 or a continuous strip formed by the composite polyurethane surface layer 70, as shown in FIGS. 1, 3 and 6. Each of the base layers 60a is formed by using the viscous base material 60 other than the viscous polyurethane material 40, and the viscous base material 60 is continuously and evenly coated on the non-slip granular surface 41 of the polyurethane surface layer 40a on the opposite side, so that the viscous base material 60 can form at least one base layer 60a (as shown in FIG. 6 ) with equal thickness and width on the surface of the polyurethane surface layer 40a (or strip 40b), by This enables the composite polyurethane surface layer 70 (as shown in Figure 6) to be changed to include a layer of thickness of the polyurethane surface layer 40a with an anti-slip granular surface 41 and the thickness of each of the base layers 60a, as shown in Figure 6 That is to say, the polyurethane surface layer 40a or the long strip 40b formed by the viscous polyurethane material 40 in the step (d) of the original embodiment is changed to a thinner layer But still have the polyurethane layer of the thin-layer structure of the anti-slip granular surface 41, that is, the polyurethane surface layer 40a or the long strip 40b formed in the original step (d) is only a thinner thin-layer structure. , and then by each of the base layer 60a (as shown in Figure 6) molding steps to pre-cast another thin layer by the viscous base material 60 on the opposite side of the anti-slip granular surface 41 of the polyurethane layer The structure is regarded as each of the base layers 60a. In addition, the thickness of the polyurethane surface layer 40a is 1 to 3mm, but not limited, and the thickness of each of the base layers 60a is 3 to 13mm, but not limited.
参考图6、9及10中所示的实施例，在步骤(d)与步骤(e)之间，更进一步包含至少一基层的预铸步骤以成型出至少一基层60a(如图6所示)，其中各该基层60a是利用选自聚氨酯材以外材料的该黏稠状基层材60所形成，其中各该基层60a是预制形成一长条带体并被卷收成一捆卷，如图9所示；其中各该基层60a是在制程中以黏贴方式与具有该止滑粒状表面41的该聚氨酯表层40a黏结形成该复合式聚氨酯表层70所构成的连续的长条带，如图6、9及10所示，即该复合式聚氨酯表层70的厚度等于该聚氨酯表层40a的厚度加上各该基层60a的厚度。此外，该聚氨酯表层40a的厚度为1至3mm，但不限制，该各该基层60a的厚度为3至13mm，但不限制。With reference to the embodiment shown in Figures 6, 9 and 10, between step (d) and step (e), a precasting step further comprising at least one base layer is formed to form at least one base layer 60a (as shown in Figure 6 ), wherein each of the base layers 60a is formed by using the viscous base material 60 selected from materials other than polyurethane materials, wherein each of the base layers 60a is prefabricated to form a long strip and rolled into a bundle, as shown in Figure 9 wherein each of the base layers 60a is bonded with the polyurethane surface layer 40a having the non-slip granular surface 41 in the manufacturing process to form a continuous long strip composed of the composite polyurethane surface layer 70, as shown in Figures 6 and 9 As shown in and 10, the thickness of the composite polyurethane surface layer 70 is equal to the thickness of the polyurethane surface layer 40a plus the thickness of each of the base layers 60a. In addition, the thickness of the polyurethane surface layer 40a is 1 to 3mm, but not limited, and the thickness of each of the base layers 60a is 3 to 13mm, but not limited.
在图1及2所示的实施例中，该连续的软式模具30是具有一定长度的；其中在步骤(e)中，当该软式模具30在由该循环式输送带10的后端13处送出时，该软式模具30是被卷收成一捆卷，但不限制，以有利于该软式模具30的收存、仓储或搬运。In the embodiment shown in Figures 1 and 2, the continuous soft mold 30 has a certain length; When sent out at 13, the soft mold 30 is rolled into a bundle, but not limited, so as to facilitate the storage, storage or transportation of the soft mold 30.
在图8所示的实施例中，该软式模具30是具有一定长度的；其中在步骤(e)中，当该软式模具30在由该循环式输送带10的后端13处送出时，该软式模具30是与连续的该聚氨酯表层40a的该长条带40b保持不离型且卷收而一同对外出货，但不限制(亦可选择不卷收)，待之后进行运动场地的相关施工时，才将该长条带40b由该软式模具30上离型剥离以进行施工作业，以利于增加对该长条带40b的保护；其中该软式模具30是只在一段制程中放置但不与该循环式输送带10结合地位于该循环式输送带10上，但不限制。In the embodiment shown in FIG. 8 , the soft mold 30 has a certain length; wherein in step (e), when the soft mold 30 is sent out from the rear end 13 of the endless conveyor belt 10 , the flexible mold 30 is shipped together with the long strip 40b of the continuous polyurethane surface layer 40a and rolled up, but not limited (you can also choose not to roll up), and the sports field will be installed later. During relevant construction, the strip 40b is released from the soft mold 30 to carry out construction work, so as to increase the protection of the strip 40b; wherein the soft mold 30 is only in a process Placed on, but not in conjunction with, the endless conveyor belt 10 on the endless conveyor belt 10 , without limitation.
在图3及4所示的实施例中，该软式模具30是与该循环式输送带10结合成一体，但不限制，以有利于连续生产该长条带40b而不中断(除非人为或程序设定中断作业)。In the embodiment shown in Figures 3 and 4, the flexible mold 30 is integrated with the endless conveyor belt 10, but not limited, to facilitate the continuous production of the strip 40b without interruption (unless artificial or program to interrupt the job).
此外，制造端或厂商亦可分别将制作好的该止滑粒状表面41(卷收成一捆卷)及各该基层60a(卷收成一捆卷)带到施工现场在进行结合，如图10所示，有利于运输容易与施工容易。In addition, the manufacturer or manufacturer can also bring the prepared anti-slip granular surface 41 (rolled into a bundle) and each of the base layers 60a (rolled into a bundle) to the construction site for combination, as shown in FIG. 10 It is beneficial to easy transportation and easy construction.
上述制作好的该止滑粒状表面41(卷收成一捆卷)，通过只专门制造具有该止滑粒状表面41(即该聚氨酯表层40a)的该长条带40b来实现。The above-mentioned anti-slip granular surface 41 (rolled into a bundle) is realized by only specially manufacturing the strip 40b with the anti-slip granular surface 41 (ie, the polyurethane surface layer 40a).
本发明的供铺设在运动场地使用的预铸式聚氨酯表层的制备方法与现有技术相较，具有以下优点：Compared with the prior art, the preparation method of the precast polyurethane surface layer used for laying on sports fields has the following advantages:
(1)本发明的该软式模具30上具有多个深浅不一的该粒状槽31，而能产出具有该止滑粒状表面41且均等厚度及均等宽度的连续的该聚氨酯表层40a的该长条带40b，以有效地解决现有技术中聚氨酯表层的表层颗粒(即跑道颗粒)易脱落的问题。(1) The flexible mold 30 of the present invention has a plurality of granular grooves 31 of different shades, and can produce the continuous polyurethane surface layer 40a with the non-slip granular surface 41 and equal thickness and equal width. The long strips 40b are used to effectively solve the problem that the surface particles (ie, runway particles) of the polyurethane surface layer are easy to fall off in the prior art.
(2)本发明的该复合式聚氨酯表层70是由一层具有止滑粒状表面41的聚氨酯表层40a及一层各该基层60a所构成，而不必如现有技术需再另外喷制出跑道颗粒于各该基层60a上，有助于减少运动场地的施工时间而加快完成施工，以及减少施工成本。(2) The composite polyurethane surface layer 70 of the present invention is composed of one layer of polyurethane surface layer 40a with anti-slip granular surface 41 and one layer of each base layer 60a, without needing to spray out runway particles in addition as in the prior art On each base layer 60a, it is helpful to reduce the construction time of the sports field and speed up the construction, as well as reduce the construction cost.
以上所述仅为本发明的优选实施例，对本发明而言仅是说明性的，而非限制性的；本领域普通技术人员理解，在本发明权利要求所限定的精神和范围内可对其进行许多改变、修改，甚至等效变更，但都将落入本发明的保护范围内。The above description is only a preferred embodiment of the present invention, and it is only illustrative of the present invention, rather than restrictive; those of ordinary skill in the art understand that it can be used within the spirit and scope defined by the claims of the present invention. Many changes, modifications, and even equivalent changes can be made, but all will fall within the protection scope of the present invention.

Claims (15)

  1. 一种供铺设在运动场地使用的预铸式聚氨酯表层的制备方法，其特征在于，包含下列步骤：A kind of preparation method for laying the precast type polyurethane surface layer that sports ground uses, it is characterized in that, comprises the following steps:
    (a)提供一循环式输送带，该循环式输送带上设具一由其前端往其后端循环且连续输送的循环式承置面，且在由前端往后端的连续输送过程中设有至少一加热固化区；(a) Provide an endless conveyor belt, which is provided with a circular bearing surface that circulates and conveys continuously from its front end to its rear end, and has a at least one heat curing zone;
    (b)提供连续的一软式模具并设置在该循环式输送带的该循环式承置面上，其中该软式模具的表面上均匀分布设有多个深浅不一的粒状槽；(b) Provide a continuous soft mold and set it on the endless bearing surface of the endless conveyor belt, wherein the surface of the soft mold is evenly distributed with a plurality of granular grooves of different depths;
    (c)提供一黏稠状聚氨酯材；(c) providing a viscous polyurethane material;
    (d)将该黏稠状聚氨酯材由该循环式输送带的前端处连续地且均匀地涂布于该软式模具上，借以在该软式模具的表面上形成一具有均等宽度及均匀厚度的连续的一预铸式的聚氨酯表层的长条带，且该聚氨酯表层的一表面上是借由该软式模具的表面所设的该粒状槽以一体成型具有一止滑粒状表面；及(d) The viscous polyurethane material is continuously and evenly coated on the flexible mold from the front end of the endless conveyor belt, so as to form a uniform width and uniform thickness on the surface of the flexible mold a continuous elongated strip of pre-cast polyurethane skin having a non-slip grained surface integrally formed on one surface of the polyurethane skin by means of the grain grooves formed on the surface of the flexible mold; and
    (e)将该聚氨酯表层形成的该长条带由该循环式输送带的后端处送出，借此完成一具止滑粒状表面的预铸式聚氨酯表层，以供铺设在运动场地上使用。(e) sending out the long strip formed from the polyurethane surface from the rear end of the endless conveyor belt, thereby completing a pre-cast polyurethane surface with an anti-slip granular surface for laying on the sports field.
  2. 如权利要求1所述的预铸式聚氨酯表层的制备方法，其特征在于，在步骤(e)中，当该预铸式聚氨酯表层的该长条带在由该循环式输送带的后端处送出时，该聚氨酯表层的该长条带是被卷收成一捆卷，其中每一该捆卷是具有一长度。The preparation method of precast polyurethane surface layer as claimed in claim 1, it is characterized in that, in step (e), when the strip of this precast type polyurethane surface layer is at the rear end of the endless conveyor belt When sending out, the long strip of the polyurethane surface layer is rolled into a bundle, wherein each bundle has a length.
  3. 如权利要求2所述的预铸式聚氨酯表层的制备方法，其特征在于，该聚氨酯表层的该长条带的宽度为标准单一田径跑道1.25m。The preparation method of precast polyurethane surface layer as claimed in claim 2, characterized in that, the width of the long strip of the polyurethane surface layer is 1.25m for a standard single track and field track.
  4. 如权利要求1所述的预铸式聚氨酯表层的制备方法，其特征在于，该黏稠状聚氨酯材是由液态异氰酸酯或聚异氰酸盐与液态多元醇或聚多元醇所混合生成。The method for preparing a precast polyurethane surface layer according to claim 1, wherein the viscous polyurethane material is formed by mixing liquid isocyanate or polyisocyanate and liquid polyol or polypolyol.
  5. 如权利要求1所述的预铸式聚氨酯表层的制备方法，其特征在于，该黏稠状聚氨酯材使用混合比例为0％至50％的添充剂及混合比例为0％至30％的可塑剂。The method for preparing a precast polyurethane surface layer according to claim 1, wherein the viscous polyurethane material uses a filler with a mixing ratio of 0% to 50% and a plasticizer with a mixing ratio of 0% to 30%. .
  6. 如权利要求1所述的预铸式聚氨酯表层的制备方法，其特征在于，该黏稠状聚氨酯材在加热固化后的硬度为20°至70°A。The method for preparing a precast polyurethane surface layer according to claim 1, wherein the viscous polyurethane material has a hardness of 20° to 70°A after heating and curing.
  7. 如权利要求1所述的预铸式聚氨酯表层的制备方法，其特征在于，该软式模具是具有一定长度；其中在步骤(e)中，当该软式模具由该循环式输送带的后端处送出时，该软式模具能被卷收成一捆卷、或与该聚氨酯表层的该长条带保持不离型而一起卷收成一捆卷。The preparation method of precast polyurethane surface layer as claimed in claim 1, is characterized in that, this soft mold has certain length; Wherein in step (e), when this soft mold is by the back of this endless conveyer belt When the end is sent out, the flexible mold can be rolled into a bundle, or kept in place with the long strip of the polyurethane surface layer and rolled together into a bundle.
  8. 如权利要求1所述的预铸式聚氨酯表层的制备方法，其特征在于，该软式 模具是能与该循环式输送带结合成一体而一起同步循环输送，或只放置但不结合地位于该循环式输送带的一段制程上。The preparation method of pre-cast polyurethane surface layer as claimed in claim 1, characterized in that, the flexible mold can be combined with the endless conveyor belt for synchronous circulation conveying together, or only placed but not combined in the On a section of the process of the endless conveyor belt.
  9. 如权利要求1所述的预铸式聚氨酯表层的制备方法，其特征在于，该软式模具是由硅氧树脂、聚氯乙烯、聚丙烯、聚乙烯、乙烯/醋酸乙烯酯共聚物、乙丙烯橡胶、橡胶、合成橡胶或聚对苯二甲酸乙二酯所制成。The preparation method of precast polyurethane surface layer as claimed in claim 1, is characterized in that, this flexible mold is made of silicone resin, polyvinyl chloride, polypropylene, polyethylene, ethylene/vinyl acetate copolymer, ethylene propylene Made of rubber, rubber, synthetic rubber or polyethylene terephthalate.
  10. 如权利要求1所述的预铸式聚氨酯表层的制备方法，其特征在于，该软式模具的两侧边上各设有一向上凸出的档板供用以挡止该黏稠状聚氨酯材，并借以界定该聚氨酯表层或该长条带在成型之后的宽度或厚度。The preparation method of pre-cast polyurethane surface layer as claimed in claim 1, characterized in that, each side of the soft mold is provided with an upwardly protruding baffle plate for blocking the viscous polyurethane material, and thereby Define the width or thickness of the polyurethane surface layer or the long strip after molding.
  11. 如权利要求1所述的预铸式聚氨酯表层的制备方法，其特征在于，该循环式输送带的两侧边上各设有一向上凸出的档板供用以挡止该黏稠状聚氨酯材，并借以界定该聚氨酯表层或该长条带在成型之后的宽度或厚度。The preparation method of precast polyurethane surface layer as claimed in claim 1, characterized in that, each side of the endless conveyor belt is provided with an upwardly protruding baffle plate for blocking the viscous polyurethane material, and So as to define the width or thickness of the polyurethane surface layer or the strip after molding.
  12. 如权利要求1所述的预铸式聚氨酯表层的制备方法，其特征在于，在步骤(d)与步骤(e)之间，进一步包含至少一基层成型步骤，供用以在制程中进一步在该聚氨酯表层的该止滑粒状表面的相对面上形成至少一具有均匀厚度的基层，其中各该基层是利用选自聚氨酯材以外的一黏稠状基层材所形成，借此使原来所具有该止滑粒状表面的该聚氨酯表层能进一步包含至少一层由该黏稠状基层材所构成的各该基层以形成一复合式聚氨酯表层。The preparation method of precast polyurethane surface layer as claimed in claim 1, is characterized in that, between step (d) and step (e), further comprises at least one basic layer molding step, for further in this polyurethane in the manufacturing process At least one base layer with a uniform thickness is formed on the opposite surface of the anti-slip granular surface of the surface layer, wherein each of the base layers is formed by using a viscous base material selected from polyurethane materials, thereby making the original anti-slip granular The polyurethane surface layer on the surface can further comprise at least one layer of each of the base layers composed of the viscous base material to form a composite polyurethane surface layer.
  13. 如权利要求1所述的预铸式聚氨酯表层的制备方法，其特征在于，在步骤(d)与步骤(e)之间，进一步包含至少一基层成型步骤，其中各该基层是利用选自聚氨酯材以外材料的一黏稠状基层材所形成并被预制形成一长条带且被卷收成一捆卷；其中各该基层是在制程中以黏贴方式与该聚氨酯表层的该长条带对应黏结以形成一连续的长条带，借此使具有该止滑粒状表面的该聚氨酯表层能进一步包含至少一层由该黏稠状基层材所构成的各该基层而形成一复合式聚氨酯表层。The preparation method of precast polyurethane surface layer as claimed in claim 1, is characterized in that, between step (d) and step (e), further comprises at least one base layer forming step, wherein each base layer is made of polyurethane A viscous base material other than wood is formed and prefabricated into a long strip and rolled into a bundle; wherein each of the base layers is correspondingly bonded to the long strip of the polyurethane surface layer by adhesive during the manufacturing process To form a continuous long strip, so that the polyurethane surface layer having the anti-slip granular surface can further include at least one layer of each of the base layers composed of the viscous base material to form a composite polyurethane surface layer.
  14. 如权利要求12或13所述的预铸式聚氨酯表层的制备方法，其特征在于，当该聚氨酯表层为一复合式聚氨酯表层时，其中具有该止滑粒状表面的该聚氨酯表层的厚度为1至3mm；其中各该基层的厚度为3至13mm。The preparation method of the precast polyurethane surface layer as claimed in claim 12 or 13, wherein, when the polyurethane surface layer is a composite polyurethane surface layer, the thickness of the polyurethane surface layer having the anti-slip granular surface is 1 to 3mm; wherein the thickness of each of the base layers is 3 to 13mm.
  15. 如权利要求1所述的预铸式聚氨酯表层的制备方法，其特征在于，在步骤(c)之前，进一步于该软式模具的表面上设置一离形膜以使该软式模具与该聚氨酯表层之间能易于分离。The preparation method of precast polyurethane surface layer as claimed in claim 1, is characterized in that, before step (c), a release film is further set on the surface of this flexible mold to make this flexible mold and this polyurethane The surface layers can be easily separated.
PCT/CN2021/000237 2021-12-17 2021-12-17 Method for preparing pre-cast polyurethane surface layer for use in laying sports field WO2023108308A1 (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0135595A1 (en) * 1983-07-08 1985-04-03 Dieter Arnds Method for manufacturing a floor covering in the form of a single-layer or multilayered product, and the use of this product as a floor covering for sports grounds or sports halls
JPH07276386A (en) * 1994-04-08 1995-10-24 Kyowa Unsou Kk Paving composite material, its production and device therefor
CN1401401A (en) * 2002-07-11 2003-03-12 李煌宝 Method for construction of polyurethane track of sports field
CN101077601A (en) * 2007-06-11 2007-11-28 林永飞 Hard polyurethane foam continuous production equipment
US20090246468A1 (en) * 2008-03-30 2009-10-01 Iq Tec Switzerland Gmbh Apparatus and method for making reactive polymer pre-pregs
TW201638431A (en) * 2015-04-21 2016-11-01 Isotech Products Inc Preparation method of precast polyurethane surface of sports ground and its manufacturing process of sports ground
CN106149508A (en) * 2015-04-21 2016-11-23 李宇轩 The preparation method of the precast type polyurethane skin layer on athletic ground and the preparation method on athletic ground thereof
CN108193578A (en) * 2017-12-28 2018-06-22 广州新星体育设施有限公司 Mixed type plastic track and its construction method
CN110093836A (en) * 2018-01-27 2019-08-06 深圳善跑体育产业集团有限公司 Plastic cement race track and construction technology

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0135595A1 (en) * 1983-07-08 1985-04-03 Dieter Arnds Method for manufacturing a floor covering in the form of a single-layer or multilayered product, and the use of this product as a floor covering for sports grounds or sports halls
JPH07276386A (en) * 1994-04-08 1995-10-24 Kyowa Unsou Kk Paving composite material, its production and device therefor
CN1401401A (en) * 2002-07-11 2003-03-12 李煌宝 Method for construction of polyurethane track of sports field
CN101077601A (en) * 2007-06-11 2007-11-28 林永飞 Hard polyurethane foam continuous production equipment
US20090246468A1 (en) * 2008-03-30 2009-10-01 Iq Tec Switzerland Gmbh Apparatus and method for making reactive polymer pre-pregs
TW201638431A (en) * 2015-04-21 2016-11-01 Isotech Products Inc Preparation method of precast polyurethane surface of sports ground and its manufacturing process of sports ground
CN106149508A (en) * 2015-04-21 2016-11-23 李宇轩 The preparation method of the precast type polyurethane skin layer on athletic ground and the preparation method on athletic ground thereof
CN108193578A (en) * 2017-12-28 2018-06-22 广州新星体育设施有限公司 Mixed type plastic track and its construction method
CN110093836A (en) * 2018-01-27 2019-08-06 深圳善跑体育产业集团有限公司 Plastic cement race track and construction technology

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