WO2016169302A1

WO2016169302A1 - Sports ground pre-cast polyurethane skin layer preparation method and sports ground preparation method thereof

Info

Publication number: WO2016169302A1
Application number: PCT/CN2016/000193
Authority: WO
Inventors: 李宇轩; 李翯冈
Original assignee: 李宇轩; 李翯冈
Priority date: 2015-04-21
Filing date: 2016-04-12
Publication date: 2016-10-27
Also published as: CN106149508B; CN106149508A

Abstract

A pre-cast polyurethane skin layer (40b) preparation method comprises: continuously and uniformly coating a viscous PU material (20) on a cyclic bearing surface (11) of a cyclic conveyor belt (10) so as to form a continuous PU skin layer (40a) having equal thickness and width; and heating and curing the PU skin layer (40a) via a heating and curing region to form a continuous PU strip (40). Also provided is a preparation method of a pre-cast polyurethane skin layer (40b) for application to a sports ground, in which a plurality of continuous PU strips (40) are closely laid on a sports ground surface in sufficient numbers. The method achieves quick construction and reduces construction costs.

Description

运动场地的预铸式聚氨酯表层的制备方法及其运动场地的制备方法Preparation method of pre-cast polyurethane surface layer in sports field and preparation method of sports field

技术领域Technical field

本发明提供一种运动场地的预铸式聚氨酯表层的制备方法及其运动场地的制备方法，尤指一种将粘稠状PU材连续地且均匀地涂布于一循环式输送带的循环式承置面上以形成一具有均等高度的连续的PU层，并使该连续的PU层在循环式输送带的输送过程中加热固化成一具均等厚度的连续的PU长条带，而完成一预铸式聚氨酯表层；再利用足够数目的多条连续的PU长条带紧密铺设于运动场地的范围区域的表面上，供可快速完成一平坦度佳的高品质运动场地的聚氨酯表层如PU田径跑道的施工。The invention provides a preparation method of a pre-cast polyurethane surface layer in a sports ground and a preparation method thereof, in particular, a circulating type in which a viscous PU material is continuously and uniformly coated on a circulating conveyor belt. Forming a continuous PU layer having a uniform height, and heating and solidifying the continuous PU layer into a continuous PU strip with a uniform thickness during the transport of the circulating conveyor belt, and completing a pre-preparation Cast polyurethane surface; reuse a sufficient number of continuous PU strips to closely lay on the surface of the sports area, for quick completion of a flat surface of high quality sports venues such as PU track Construction.

背景技术Background technique

在目前使用的运动场地的范围区域，于其表面上常会铺上一层聚氨酯(PU)表层，以常见的标准化PU田径跑道为例说明但非用以限制本发明，其一般是由一底层及一表层所构成，其施工制程包含：在田径跑道的现场区域，先作底层的施工，包括施工前先施作地面平整度及泄水坡度或排水***等，然后再铺设该底层，该底层材一般可全部采用PU(聚氨酯)颗粒，或是PU颗粒与橡胶颗粒混合使用，且须控制好平整度及泄水坡度，而该PU材所包含多元醇或聚多元醇与异氰酸酯或聚异氰酸盐的组合比例，或其他添充剂或可塑剂的比例等，均可作多种变化，且可为单液型或双液型；在设底层施作完成后，在底层表面再作表层施工，而其制程包含：铺设一层适当厚度的PU层，并在该PU层未硬化前，在其上表面即再均匀布设一层橡胶颗粒或PU颗粒，使可藉PU层的黏著作用(等于将PU层当黏着剂使用)，使该等密布颗粒的凹凸不平得形成一粗糙度表面；或是将合成橡胶颗粒混合以PU黏着剂，而再以适当厚度铺设在底层上，以形成表面有凸起止滑粒的表层结构，使全部施工完成的PU田径跑道能达成国际田径联盟对田径跑道所规定的弹性、表面止滑粗糙度(即密布有凸起止滑粒)或花纹的标准。In the range of sports venues currently in use, a layer of polyurethane (PU) is often applied to the surface of the sports field. The common standardized PU athletic track is taken as an example, but is not intended to limit the invention, and generally consists of a bottom layer and A surface layer consisting of: the construction process includes: in the field area of the track and field runway, first the bottom layer construction, including the ground leveling and drainage slope or drainage system before the construction, and then laying the bottom layer, the backing material Generally, PU (polyurethane) particles can be used, or PU particles can be mixed with rubber particles, and the flatness and the water discharge gradient should be controlled, and the PU material comprises polyhydric alcohol or polyhydric alcohol and isocyanate or polyisocyanate. The combination ratio of the salt, or the ratio of other additives or plasticizers, can be variously changed, and can be a single liquid type or a two-liquid type; after the bottom layer is applied, the surface layer is further applied on the surface of the bottom layer. And the process comprises: laying a layer of PU layer of appropriate thickness, and evenly laying a layer of rubber particles or PU particles on the upper surface thereof before the PU layer is not hardened, so that the adhesion effect of the PU layer can be utilized (etc. The PU layer is used as an adhesive to make the unevenness of the dense particles form a rough surface; or the synthetic rubber particles are mixed with a PU adhesive, and then laid on the bottom layer with an appropriate thickness to form a surface. The superficial structure of the spheroidal granules enables the PU track and field runway of all constructions to meet the standards specified by the International Athletics Federation for the elasticity and surface slip-resistance of the track and field runway (ie, the densely-slip spheroidal grain) or pattern.

然而，上述传统制造PU田径跑道的制备方法有下列缺点：表层施工时，PU层未硬化前所布设的一层橡胶颗粒或PU颗粒层，无法达成完全均匀的品质要求，使表面粗糙度不够齐一；表面橡胶颗粒或PU颗粒层与PU层的黏着结合，无法保证每个颗粒均稳固黏着(颗粒系陷在PU层内而凸露出小部分)，部分黏着面积较少的颗粒容易脱离；现场作表层施工时，所铺设的PU层厚度不易控制齐一，致跑道弹性不均，直接影响跑道的成型品质；现场作表层施工时，所须经验及人工成本均较高，无法有效增进施工速度或品质。However, the above-mentioned conventional method for manufacturing a PU track and field runway has the following disadvantages: a layer of rubber particles or a layer of PU particles disposed before the PU layer is not hardened during surface layer construction, and a completely uniform quality requirement cannot be achieved, so that the surface roughness is not uniform. One; the surface rubber particles or the layer of PU particles and the adhesion of the PU layer can not be guaranteed It is proved that each particle is firmly adhered (the particles are trapped in the PU layer and protruded in a small part), and the particles with less adhesion area are easily separated; when the surface is applied on the surface, the thickness of the laid PU layer is not easy to control, resulting in The unevenness of the runway elasticity directly affects the molding quality of the runway. When the surface is constructed on the surface, the required experience and labor cost are high, which cannot effectively improve the construction speed or quality.

在传统施作PU跑道的技术领域中，已存在一些先前技术，虽然部分先前技术已揭示不在跑道现场完全施作PU跑道的技术，但其制程中仍存有缺点，如：加工成本相对提高且较难有效控制成型品质，又宽度尺寸亦难控制，容易造成成型品浪费，不适用于泛见的标准化田径跑道规格，更者，橡胶耐侯性不佳，表面物性容易劣化，不耐钉鞋损毁。又其中一先前技术是在跑道现场先施作一底层面，再另利用成型模具供进行模铸成型作业以制作多片具有表面粗糙度的表层皮单位，再利用多片表层皮单位紧紧密铺设于已施作完成的底层面上，但如此的成型模具既大又长，巨型模具的制造及加工困难，成本亦相对提高。In the technical field of traditionally applied as a PU runway, some prior art has existed. Although some prior art has revealed that the PU runway is not completely applied to the runway site, there are still disadvantages in the process, such as: relatively high processing cost and It is difficult to effectively control the molding quality, and the width dimension is also difficult to control, which is easy to cause waste of molded articles. It is not suitable for the standardized track and field runway specifications. Moreover, the rubber weather resistance is not good, the surface properties are easily deteriorated, and the nail shoes are not damaged. Another prior art is to apply a bottom surface on the runway site first, and then use a molding die for the die-casting operation to produce a plurality of surface skin units having surface roughness, and then use a plurality of surface skin units to be tightly laid. On the bottom surface that has been applied, the molding die is large and long, and the manufacturing and processing of the giant mold is difficult, and the cost is relatively increased.

由上可知，本领域的现有技术存有易产生搅拌不均、表层颗粒易脱落、厚度不平均致弹性亦不平均、易受天气影响等品质缺点，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。故在运动场地的聚氨酯表层的制备方法及其运动场地的制备方法的相关领域中，有进一步发展一能容易制造聚氨酯表层且又能应用于运动场地的聚氨酯表层的施工的必要性。As can be seen from the above, the prior art in the prior art has the disadvantages of uneven quality such as uneven stirring, easy peeling off of surface particles, uneven thickness, unevenness in weather, and weather resistance, or weather resistance caused by rubber skin. Good, surface properties are easily deteriorated and easily damaged by needle shoes, or there are many shortcomings such as long strip-shaped giant molds that cannot be continuously produced. Therefore, in the related fields of the preparation method of the polyurethane surface layer of the sports ground and the preparation method of the sports field, there is a need to further develop a polyurethane surface layer which can be easily produced and applied to the sports field.

发明内容Summary of the invention

本发明的主要目的乃在于提供一种运动场地的预铸式聚氨酯表层的制备方法，其利用一循环式输送带，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；再将粘稠状PU材由该循环式输送带的前端处连续地且均匀地涂布于该循环式承置面上，以在该循环式承置面上形成一具有均等厚度的连续的PU层；再使该连续的PU层在由前端往后端的输送过程中经由该至少一加热固化区以进行加热固化作业，以形成一具均等厚度的连续的PU长条带；再使该连续的PU长条带由该循环式输送带的后端处送出，而完成供运动场地使用的预铸式聚氨酯表层，藉以使运动场地使用的聚氨酯表层达成连续生产的功效。The main object of the present invention is to provide a method for preparing a precast polyurethane surface layer for a sports field, which utilizes a circulating conveyor belt, which is provided with a front end circulating toward its rear end and continuously conveying. a circulating bearing surface, and at least one heat curing zone is provided during the continuous conveying from the front end to the rear end; and the viscous PU material is continuously and uniformly applied from the front end of the circulating conveyor belt Forming a continuous PU layer having a uniform thickness on the circulating bearing surface; and then curing the continuous PU layer through the at least one heat during the conveying from the front end to the rear end The zone is subjected to a heat curing operation to form a continuous PU strip having a uniform thickness; and the continuous PU strip is fed from the rear end of the endless conveyor belt to complete the use for the sports field. The cast polyurethane surface layer enables the continuous production of the polyurethane surface used in the sports field.

本发明的再一目的乃在于提供一种预铸式聚氨酯表层应用于运动场地的制备方法，包含步骤如下：针对一运动场地的使用需要，设定该运动场地所要使用的聚氨酯表层的规格；再利用该运动场地的预铸式聚氨酯表层的制法，制成符合该运动场地所要使用的聚氨酯表层的规格的连续的PU长条带；再利用足够数目的多条连续的PU长条带，将其紧密铺设于该运动场地的范围区域的表面上，以完成该运动场地的聚氨酯表层的施工，藉以使运动场地的聚氨酯表层的施工能快速施工、降低施工成本，而符合经济效益。A further object of the present invention is to provide a method for preparing a pre-cast polyurethane surface layer for use in a sports field, comprising the following steps: setting the use of the sports field for the use of a sports field The specification of the surface layer of the polyurethane; and the method of preparing the pre-cast polyurethane surface layer of the sports field to form a continuous PU strip conforming to the specifications of the polyurethane surface layer to be used in the sports field; and then using a sufficient number of continuous strips The long strip of PU is closely laid on the surface of the range of the sports ground to complete the construction of the polyurethane surface of the sports ground, so that the construction of the polyurethane surface of the sports ground can be quickly constructed and the construction cost can be reduced. Economic benefits.

附图说明DRAWINGS

图1为本发明利用一循环式输送带来制造运动场地的预铸式聚氨酯表层的制备方法侧视示意图；1 is a side view showing a preparation method of a pre-cast polyurethane surface layer for manufacturing a sports field by using a circulating conveyor belt;

图2为本发明利用具均等厚度的连续的PU长条带(预铸式聚氨酯表层)来紧密铺设于运动场地的范围区域表面上的立体示意图。2 is a schematic perspective view of a continuous PU strip (pre-cast polyurethane skin) having a uniform thickness for tightly laying on the surface of a range of a sports field.

附图标记说明：循环式输送带10；循环式承置面11；前端12；后端13；PU材20；加热固化装置30；PU长条带40；PU表层40a；预铸式聚氨酯表层40b；PU长条带捆卷41；离形膜50；离形膜捆卷51；表面颗粒60、70；连接处80。DESCRIPTION OF REFERENCE NUMERALS: circulating conveyor belt 10; circulating bearing surface 11; front end 12; rear end 13; PU material 20; heat curing device 30; PU strip 40; PU surface layer 40a; pre-cast polyurethane surface layer 40b PU strip strip 41; release film 50; release film bundle 51;

surface particles

60, 70; joint 80.

具体实施方式detailed description

为使本发明更加明确详实，兹列举较佳实施例并配合下列图示，将本发明的技术特征详述如后。In order to make the present invention clearer and more detailed, the technical features of the present invention will be described in detail below with reference to the preferred embodiments.

请参阅图1所示，本发明提供一种运动场地的预铸式聚氨酯表层的制备方法，该运动场地的范围区域的表面上设有一聚氨酯(PU)表层以构成一能符合该运动场地的规格的聚氨酯(PU)表层，如应用于PU田径跑道的聚氨酯表层即须符合国际田径联盟对田径跑道所规定的弹性、表面止滑粗糙度；该预铸式聚氨酯表层的制备方法包含步骤如下：Referring to FIG. 1 , the present invention provides a method for preparing a precast polyurethane surface layer of a sports field, wherein a surface area of the sports field is provided with a polyurethane (PU) surface layer to form a specification conforming to the sports field. The polyurethane (PU) surface layer, such as the polyurethane surface applied to the PU athletic track, shall comply with the elasticity and surface slip roughness specified by the International Athletics Federation for the athletic track; the preparation method of the precast polyurethane surface includes the following steps:

步骤(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。如图1所示，提供一循环式输送带10以进行一PU表层40a的预铸成型作业；该循环式输送带10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11，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；以图1为例说明，该循环式输送带10上设具一适当长度及宽度的循环式承置面11，以使所预铸成型的PU表层40a能形成并具有所欲的宽度尺寸。该循环式承置面11是由循环式输送带10的前端12往后端13连续地循环输送；此外，在该前、后端12、13之间的输送过程中设有至少一加热固化装置30供作为加热固化区，供可对随着循环式承置面11输送移动的PU表层40a进行加热固化作业；由于该加热固化装置30的结构或其操控技术如温度控制及时间控制等，皆可利用本领域的既有技术来达成固化的目的，且非本发明的诉求重点，故不再赘述该加热固化装置30的详细结构及其操控技术。Step (a): providing a circulating conveyor belt having a circulating bearing surface which is circulated and continuously conveyed from the front end to the rear end thereof, and is continuously conveyed from the front end to the rear end At least one heat curing zone is provided. As shown in FIG. 1, a circulating conveyor belt 10 is provided for performing a pre-casting operation of a PU skin layer 40a; the circulating conveyor belt 10 is provided with a circulating bearing which is circulated from its front end to its rear end and continuously conveyed. The surface 11 is provided with at least one heat curing zone during the continuous conveying from the front end to the rear end; as illustrated in FIG. 1 , the circulating conveyor belt 10 is provided with a circulating bearing surface of a suitable length and width. 11. The preformed PU skin layer 40a can be formed and have a desired width dimension. The circulating bearing surface 11 is continuously circulated and conveyed from the front end 12 of the endless conveyor belt 10 to the rear end 13; in addition, before and after At least one heat curing device 30 is provided during the transport between the

ends

12, 13 as a heat curing zone for heating and solidifying the PU skin layer 40a which is transported with the circulating bearing surface 11; The structure of the device 30 or its control technology, such as temperature control and time control, can be achieved by using the prior art in the art to achieve the purpose of curing, and is not the focus of the present invention, so the details of the heat curing device 30 will not be described again. Structure and its handling technology.

步骤(b)：提供粘稠状PU材20，如图1所示，该粘稠状PU材20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，且该PU材20包含单液型PU材或双液型PU材。由于该PU材20的组成技术乃化工领域的现有技术，且可利用本领域的既有技术来达成，且非本发明的诉求重点，故不再赘述该PU材20的详细组成或其混合生成技术。Step (b): providing a viscous PU material 20, as shown in Fig. 1, the viscous PU material 20 is composed of liquid isocyanate or polyisocyanate (Isocyanate) and liquid polyol or polyol (Polyol) The PU material 20 is formed by mixing, and the PU material 20 includes a single liquid PU material or a two liquid PU material. Since the composition technology of the PU material 20 is the prior art in the chemical industry and can be achieved by using the prior art in the art, and is not the focus of the present invention, the detailed composition or the mixture of the PU material 20 will not be described again. Generating technology.

步骤(c)：将该粘稠状PU材由该循环式输送带的前端处连续地且均匀地涂布于该循环式承置面上，以在该循环式承置面上形成一具有均等厚度的连续的PU表层40a。如图1所示，将该粘稠状PU材20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循环式输送带10的循环式承置面11上，使该粘稠状PU材20得以在该循环式承置面11上连续地形成一具有均等高度及相等宽度的连续PU表层40a并随着该循环式承置面11由前端12往后端13输送移动；其中，该连续的PU表层40a的均等厚度得控制在容许裕度小于0.5mm。Step (c): continuously coating the viscous PU material from the front end of the endless conveyor belt on the circulating bearing surface to form an equalization on the circulating bearing surface A continuous PU skin layer 40a of thickness. As shown in FIG. 1, the viscous PU material 20 is continuously and uniformly applied to the endless surface 11 of the endless conveyor belt 10 from the end surface 12 of the endless conveyor belt 10, so that The viscous PU material 20 is continuously formed on the endless receiving surface 11 with a continuous PU skin layer 40a having a uniform height and an equal width, and is conveyed by the front end 12 to the rear end 13 as the circulating bearing surface 11 is moved. Wherein, the uniform thickness of the continuous PU skin layer 40a is controlled to have an allowable margin of less than 0.5 mm.

步骤(d)：使该连续的PU表层40a在由前端往后端的输送过程中经由该至少一加热固化区以进行加热固化作业，以形成一具均等厚度的连续的PU长条带40。如图1所示，当连续的PU表层40a在循环式输送带10(循环式承置面11)上由前端12往后端13输送时，连续的PU表层40a能经过该加热固化装置30以进行加热固化处理，藉以使呈粘稠状态的PU表层40a得以固化形成一具均等厚度及均等宽度的连续的PU长条带40。Step (d): the continuous PU skin layer 40a is subjected to a heat curing operation through the at least one heat curing zone during the conveyance from the front end to the rear end to form a continuous PU strip 40 having a uniform thickness. As shown in FIG. 1, when the continuous PU skin layer 40a is conveyed from the front end 12 to the rear end 13 on the endless conveyor belt 10 (circulating bearing surface 11), the continuous PU skin layer 40a can pass through the heat curing device 30. A heat curing treatment is performed to cure the PU skin layer 40a in a viscous state to form a continuous PU strip 40 having a uniform thickness and a uniform width.

步骤(e)：如图1所示，使该连续的PU长条带40由该循环式输送带10的后端13处向外送出，即制作完成一运动场地使用的预铸式聚氨酯表层40b。Step (e): as shown in FIG. 1, the continuous PU strip 40 is sent out from the rear end 13 of the endless conveyor belt 10, that is, a pre-cast polyurethane surface layer 40b for use in a sports field is completed. .

由于制作完成的PU长条带(预铸式聚氨酯表层40b)40具有均等厚度(容许裕度小于0.5mm)及均等宽度，故当该PU长条带(预铸式聚氨酯表层40b)40应用于PU田径跑道的聚氨酯表层的施工时，该PU长条带40的宽度以具有标准单一跑道的宽度约1.25m为最佳，至于该PU长条带40的长度则可考虑循环式输送带10的工作场地大小、循环式承置面11的输送长度、加热固化装置30在进行加热固化作业时所须的输送长度或时间、或PU长条带40的收存、仓储或搬运等因素而决定，如能以5m～15m长度(但不限制)为一单位以利收储及搬运；当该连续的PU长条带40的长度较长时，则连续的PU长条带40在由该循环式输送带10的后端13处送出时，可卷收成一PU长条带捆卷41如图1所示，以有利于该PU长条带40的收存、仓储或搬运。Since the fabricated PU strip (pre-cast polyurethane surface layer 40b) 40 has an equal thickness (allowable margin of less than 0.5 mm) and an equal width, the PU strip (pre-cast polyurethane surface layer 40b) 40 is applied. When the polyurethane surface layer of the PU athletic track is constructed, the width of the PU strip 40 is preferably about 1.25 m with a standard single runway width, and the length of the PU strip 40 can be considered for the length of the PU strip 10 The size of the work site, the transport length of the circulating support surface 11, the transport length or time required for the heat curing device 30 to perform the heat curing operation, or the storage, storage or handling of the PU strip 40 It is determined that if the length of the continuous PU strip 40 is long, the length of the continuous PU strip 40 is longer, if the length of the continuous PU strip 40 is longer, the continuous PU strip 40 is When being delivered from the rear end 13 of the endless conveyor belt 10, a PU strip winding 41 can be wound up as shown in FIG. 1 to facilitate the storage, storage or handling of the PU strip 40.

此外，该粘稠状PU材20所包含多元醇或聚多元醇(Polyol)与异氰酸酯或聚异氰酸盐(Isocyanate)的组合比例并不限制，其可作多种变化，且可为单液型或双液型，而且可添加其他添充剂并以适当比例调配，如添加低成本的石粉且其混合比例可为该粘稠状PU材20总重量的30％～50％，或添加可塑剂(如苯甲酸酯可塑剂或其他环保可塑剂)且其混合比例可为该粘稠状PU材20总重量0％～30％；而成型硬度可界定于20°～60°A。In addition, the ratio of the combination of the polyol or the polyol (Polyol) to the isocyanate or the polyisocyanate is not limited, and the viscous PU material 20 can be variously changed, and can be a single liquid. Type or two-liquid type, and other additives may be added and formulated in an appropriate ratio, such as adding low-cost stone powder and the mixing ratio may be 30% to 50% of the total weight of the viscous PU material 20, or adding plasticity The agent (such as a benzoate plasticizer or other environmentally friendly plasticizer) and the mixing ratio thereof may be 0% to 30% of the total weight of the viscous PU material 20; and the molding hardness may be defined as 20° to 60°A.

此外，在步骤(c)中，为使涂布于该循环式承置面11上的粘稠状PU材20及所形成的连续PU表层40a不致黏着在该循环式承置面11的表面上，本发明进一步可于该循环式承置面11与该连续PU表层40a之间设置一离形膜50如图1所示；该离形膜50可利用一离形膜捆卷51设置该循环式输送带10的前端12的外部处如图1所示，以使该离形膜捆卷51得连续地提供离形膜50以由该循环式输送带10的前端12进入并铺设于该循环式承置面11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)，藉此涂布于该循环式承置面11上的粘稠状PU材20即能涂布在该离形膜50上。而当连续的PU长条带40由该循环式输送带10的后端13处送出或再卷收成一PU长条带捆卷41时(见图1的右方)，该离形膜50亦能随PU长条带40卷收，有利于使该PU长条带捆卷41中相邻接的PU长条带40之间保持分离不沾黏状态。Further, in the step (c), the viscous PU material 20 coated on the endless receiving surface 11 and the formed continuous PU skin layer 40a are not adhered to the surface of the circulating receiving surface 11. The present invention further provides a release film 50 between the endless mounting surface 11 and the continuous PU skin 40a as shown in FIG. 1; the release film 50 can be disposed by a release film roll 51. The outer portion of the front end 12 of the conveyor belt 10 is as shown in Fig. 1 such that the release film bundle 51 is continuously provided with the release film 50 to be accessed by the front end 12 of the endless conveyor belt 10 and laid in the cycle. On the bearing surface 11, so that the release film 50 can be synchronously conveyed with the circulating bearing surface 11 (see the left side of FIG. 1), thereby applying the viscosity on the circulating receiving surface 11 The thick PU material 20 can be coated on the release film 50. When the continuous PU strip 40 is fed out from the rear end 13 of the endless conveyor belt 10 or re-rolled into a PU strip strip 41 (see the right side of FIG. 1), the release film 50 is also It can be folded with the PU strip 40, which is advantageous for maintaining the separation between the adjacent PU strips 40 in the PU strip strip 41.

此外，为能符合各种运动场地的聚氨酯(PU)表层不同规格的要求，如PU田径跑道的聚氨酯表层即须符合国际田径联盟对田径跑道所规定的弹性、表面止滑粗糙度的要求，因此在步骤(c)及步骤(d)之间，即在该连续的PU层40未进行加热固化作业之前，更包含至少一表面粉粒铺设步骤，用以在该连续的PU层40表面上均匀铺设选自PU粉、PU粒、橡胶粉、橡胶粒的族群中的一种或其组合。如图1所示，在该连续的PU表层40a由该循环式输送带10的前端12往后端13的输送过程中但尚未进入该加热固化装置30进行加热固化作业之前，本发明更包含至少一表面粉粒铺设步骤，其利用至少一表面铺设装置，如图1所示依序设有一前表面铺设装置60及一后表面铺设装置70，供可随需要而铺设不同的表面粉粒60、70，但非用以限制本发明。其中该表面铺设装置60、70可利用左右(宽度方向)摆动技术、多孔出料技术、窄缝涂布技术等多种技术来完成，由于该表面铺设装置60、70结构设计可利用本领域的既有技术来达成，且非本发明的诉求重点，故不再赘述该表面铺设装置60、70的详细结构及其操控技术。至于用以在该连续的PU表层40a的表面上所均匀铺设的表面粉粒60或70可选自PU粉、PU粒、橡胶(如三元乙丙橡胶，EPDM)粉、橡胶粒的族群中的一种或其组合，如在该连续的PU层40的表面可形成凸起止滑粒的表层结构，供能达成国际田径联盟对田径跑道所规定的弹性、表面止滑粗糙度。In addition, in order to meet the requirements of different specifications of the polyurethane (PU) surface of various sports venues, such as the polyurethane surface of the PU athletic track, it must meet the requirements of the international track and field alliance for the elasticity and surface slip roughness specified by the athletic track. Between step (c) and step (d), that is, before the continuous PU layer 40 is not subjected to the heat curing operation, at least one surface particle laying step is further included for uniforming on the surface of the continuous PU layer 40. One or a combination of a group selected from the group consisting of PU powder, PU pellet, rubber powder, and rubber pellet is laid. As shown in FIG. 1, the present invention further includes at least the process of transporting the continuous PU skin layer 40a from the front end 12 of the endless conveyor belt 10 to the rear end 13 but not before entering the heat curing device 30 for heat curing operation. a surface powder laying step, wherein at least one surface laying device is used, as shown in FIG. 1 , a front surface laying device 60 and a rear surface laying device 70 are sequentially disposed, so that different surface particles 60 can be laid as needed; 70, but not intended to limit the invention. Wherein the

surface laying devices

60, 70 can utilize left and right (width) It is accomplished by various techniques such as a swinging technique, a porous discharging technique, and a slit coating technique, since the structural design of the

surface laying device

60, 70 can be achieved by using the prior art in the art, and the focus of the invention is not Therefore, the detailed structure of the

surface laying devices

60, 70 and their handling techniques will not be described again. As for the

surface powder

60 or 70 to be uniformly laid on the surface of the continuous PU skin 40a, it may be selected from the group consisting of PU powder, PU pellet, rubber (e.g. EPDM) powder, and rubber pellet. One or a combination thereof, such as a surface structure of the convex anti-slip grain formed on the surface of the continuous PU layer 40, can supply the elasticity and surface slip-slip roughness specified by the International Athletics Federation for the athletic track.

请同时参阅图1、2所示，本发明提供一种运动场地的预铸式聚氨酯表层应用于运动场地的制备方法，该运动场地的范围区域的表面上设有一聚氨酯(PU)表层以构成一能符合该运动场地的规格的聚氨酯(PU)表层；该预铸式聚氨酯表层应用于运动场地的制备方法包含步骤如下：Referring to FIG. 1 and FIG. 2 simultaneously, the present invention provides a method for preparing a sports-cast pre-cast polyurethane surface layer for use in a sports field, wherein a surface area of the sports field is provided with a polyurethane (PU) surface layer to form a A polyurethane (PU) surface layer that conforms to the specifications of the sports field; the method for preparing the pre-cast polyurethane surface layer for use in a sports field comprises the following steps:

步骤(1)：针对一运动场地的使用需要，设定该运动场地所要铺设使用的聚氨酯表层的规格。Step (1): For the use of a sports venue, set the specifications of the polyurethane surface to be laid in the sports ground.

步骤(2)：再利用上述步骤(a)～(e)所述的运动场地之预铸式聚氨酯表层的制法如图1所示，制成符合该运动场地所要使用的聚氨酯表层的规格的连续的PU长条带40。例如，应用于PU田径跑道之聚氨酯表层，即须符合国际田径联盟对田径跑道所规定的弹性、表面止滑粗糙度。Step (2): The method for preparing the pre-cast polyurethane surface layer of the sports ground described in the above steps (a) to (e) is as shown in FIG. 1 and is made to conform to the specifications of the polyurethane surface layer to be used in the sports ground. Continuous PU strips 40. For example, the polyurethane surface applied to the PU athletic track must meet the elasticity and surface slip roughness specified by the International Athletics Federation for the athletic track.

步骤(3)：如图2所示，再利用足够数目的多条连续的PU长条带40，将其紧密铺设于该运动场地的范围区域的表面上，以完成该运动场地的聚氨酯表层的施工。Step (3): as shown in FIG. 2, a sufficient number of consecutive PU strips 40 are used to be closely laid on the surface of the range of the sports field to complete the polyurethane surface of the sports ground. construction.

当本发明的预铸式聚氨酯表层应用于PU田径跑道的聚氨酯表层的施工时，该田径跑道现场的跑道地面须先作底层的施工，使整个田径跑道地面完全铺设有底层，底层的施工方法包含：施工前先作田径跑道地面的平整度或泄水坡度或排水***等的施工，待田径跑道地面整平后，再铺设该底层，而该底层可全部采用PU(聚氨酯)颗粒，或是PU颗粒与橡胶颗粒混合使用，并混合以PU作黏着剂加以搅拌混合，并在硬化之前，直接铺设在田径跑道地面上以形成底层，再使该底层在自然温度中硬化；之后，再进行本发明的步骤(3)。When the precast polyurethane surface layer of the present invention is applied to the construction of the polyurethane surface layer of the PU athletic track, the runway ground of the track and field track site must be constructed as the bottom layer, so that the entire track and runway floor is completely laid with the bottom layer, and the bottom layer construction method includes Before the construction, the flatness of the track and runway or the drainage slope or the drainage system shall be constructed. After the track and runway is leveled, the bottom layer shall be laid, and the bottom layer may all adopt PU (polyurethane) particles or PU. The granules are mixed with the rubber granules, mixed with PU as an adhesive, stirred and mixed, and directly laid on the track of the track and runway to form the bottom layer before hardening, and then the bottom layer is hardened at a natural temperature; after that, the invention is further carried out Step (3).

此外，在步骤(3)中，当将多条连续的PU长条带40紧密铺设于运动场地的范围区域的表面上时如图2所示，其施工过程可藉PU黏着剂，逐一将每一条PU长条带40紧密铺设于该运动场地表面已施作完成的底层上，并使相邻接的PU长条带40之间各连接处80皆能藉PU黏着剂而紧密黏合如图2所示。 In addition, in the step (3), when a plurality of continuous PU strips 40 are closely laid on the surface of the range of the sports field, as shown in FIG. 2, the construction process can be carried out by PU adhesives one by one. A PU strip 40 is closely laid on the bottom layer on which the surface of the sports field has been applied, and the joints 80 between the adjacent PU strips 40 can be closely bonded by the PU adhesive as shown in FIG. 2. Shown.

本发明利用循环式输送带10以连续生产预铸式聚氨酯表层(连续的PU长条带40)的技术，得有效克服先前技术须利用巨型模具来制作表层皮单位的缺点，故在运动场地的聚氨酯表层制法及其运动场地制程的相关领域中，本发明确实具有进步性及产业利用价值。The invention utilizes the circulating conveyor belt 10 to continuously produce the pre-cast polyurethane surface layer (continuous PU strip 40), which effectively overcomes the shortcomings of the prior art that the giant mold is used to make the surface layer unit, so in the sports field The invention is indeed progressive and industrially useful in the field of polyurethane surface layer making and its sports field process.

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 is only the preferred embodiments of the present invention, and is intended to be illustrative, and not restrictive, and it is understood by those of ordinary skill in the art that Many changes, modifications, and even equivalents may be made without departing from the scope of the invention.

Claims

一种运动场地的预铸式聚氨酯表层的制备方法，其特征在于其包含步骤如下：A method for preparing a precast polyurethane surface layer for a sports field, characterized in that the steps include the following:

(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) providing a recirculating conveyor belt having a circulating bearing surface which is circulated from its front end to its rear end and continuously conveyed, and is provided in a continuous conveying process from the front end to the rear end At least one heat curing zone;

(b)提供粘稠状PU材；(b) providing a viscous PU material;

(c)将该粘稠状PU材由该循环式输送带的前端处连续地且均匀地涂布于该循环式承置面上，以在该循环式承置面上形成一具有均等厚度及均等宽度的连续的PU层；(c) continuously and uniformly applying the viscous PU material from the front end of the endless conveyor belt to the endless receiving surface to form an equal thickness on the endless receiving surface a uniform width of continuous PU layers;

(d)使该连续的PU层在由前端往后端的输送过程中经由该至少一加热固化区以进行加热固化作业，以形成一具均等厚度及均等宽度的连续的PU长条带；及(d) allowing the continuous PU layer to undergo a heat curing operation through the at least one heat curing zone during transport from the front end to the rear end to form a continuous PU strip having a uniform thickness and a uniform width;

(e)使该连续的PU长条带由该循环式输送带的后端处送出，即完成一运动场地使用的预铸式聚氨酯表层。(e) The continuous PU strip is fed from the rear end of the endless conveyor belt to complete a pre-cast polyurethane skin used in a sports field.
如权利要求1所述的运动场地的预铸式聚氨酯表层的制备方法，其中在步骤(c)及步骤(d)之间而在该连续的PU层未进行加热固化作业之前，更包含至少一表面粉粒铺设步骤，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、橡胶粒的族群中的一种或其组合。The method for preparing a precast polyurethane surface layer for a sports field according to claim 1, wherein at least one of the step (c) and the step (d) is further included before the continuous PU layer is not subjected to a heat curing operation. A surface powder laying step for uniformly laying one or a combination of a group selected from the group consisting of PU powder, PU particles, rubber powder, and rubber particles on the surface of the continuous PU layer.
如权利要求1所述的运动场地的预铸式聚氨酯表层的制备方法，其中在步骤(e)中，当该连续的PU长条带在由该循环式输送带的后端处送出时，该连续的PU长条带被卷收成一捆卷并使每一捆卷具有一长度。A method of preparing a precast polyurethane surface layer for a sports field according to claim 1, wherein in the step (e), when the continuous PU strip is fed from a rear end of the endless conveyor belt, The continuous PU strips are rolled into a bundle and each bundle has a length.
如权利要求1所述的运动场地的预铸式聚氨酯表层的制备方法，其中该连续的PU长条带具有标准单一田径跑道1.25m的宽度。A method of preparing a precast polyurethane surface layer for a sports field as recited in claim 1, wherein the continuous PU strip has a width of 1.25 m of a standard single track and field runway.
如权利要求1所述的运动场地的预铸式聚氨酯表层的制备方法，其中该粘稠状PU材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 of preparing a precast polyurethane surface layer for a sports field according to claim 1, wherein the viscous PU material is formed by mixing a liquid isocyanate or a polyisocyanate with a liquid polyol or a polyhydric alcohol.
如权利要求1所述的运动场地的预铸式聚氨酯表层的制备方法，其中该粘稠状PU材使用混合比例为30％～50％的添充剂及混合比例为0％～30％的可塑剂。The method for preparing a precast polyurethane surface layer for a sports field according to claim 1, wherein the viscous PU material is a plasticizer having a mixing ratio of 30% to 50% and a plasticity ratio of 0% to 30%. Agent.
如权利要求1所述的运动场地的预铸式聚氨酯表层的制备方法，其中该粘稠状PU材在加热固化后的硬度为20°～60°A。 The method for preparing a precast polyurethane surface layer for a sports field according to claim 1, wherein the viscous PU material has a hardness of 20 to 60 °A after heat curing.
一种运动场地的预铸式聚氨酯表层应用于运动场地的制备方法，其特征在于其包含步骤如下：A method for preparing a sports field with a pre-cast polyurethane surface layer for use in a sports field, characterized in that the steps are as follows:

针对一运动场地的使用需要，设定该运动场地所要使用的聚氨酯表层的规格；For the use of a sports venue, set the specifications of the polyurethane surface to be used in the sports venue;

再利用如权利要求1至7中任一项所述的运动场地的预铸式聚氨酯表层的制备方法，制成符合该运动场地所要使用的聚氨酯表层的规格的连续的PU长条带；及利用足够数目的多条连续的PU长条带，将其紧密铺设于该运动场地的范围区域的表面上，以完成该运动场地的聚氨酯表层的施工。Further, using the method for preparing a precast polyurethane surface layer of a sports ground according to any one of claims 1 to 7, a continuous PU strip having a specification of a polyurethane surface layer to be used in the sports field is produced; and utilizing A sufficient number of consecutive PU strips are laid tightly on the surface of the range of the sports field to complete the construction of the polyurethane skin of the sports field.
如权利要求8所述的预铸式聚氨酯表层应用于运动场地的制备方法，其中该运动场地的范围区域包含运动场的PU田径跑道。The method of preparing a precast polyurethane surface layer according to claim 8 for use in a sports field, wherein the range of the sports field comprises a PU track and field track of the sports field.
如权利要求9所述的预铸式聚氨酯表层应用于运动场地的制备方法，其中该连续的PU长条带藉由选自PU粉、PU粒、橡胶粉、橡胶粒的族群中的一种或其组合的均匀铺设，藉以在该PU长条带的表面形成凸起止滑粒的表层结构供能达成国际田径联盟对田径跑道所规定的弹性、表面止滑粗糙度。 The method for preparing a precast polyurethane surface layer according to claim 9 for use in a sports field, wherein the continuous PU strip is one of a group selected from the group consisting of PU powder, PU pellet, rubber powder, and rubber pellet The uniform laying of the combination is to form a surface structure of the convex anti-slip grain on the surface of the PU strip to provide the elasticity and surface slip roughness specified by the International Athletics Federation for the athletic track.