WO2018035702A1 - 现场喷涂成型的珠状网纹跑道面层及其制备方法 - Google Patents

现场喷涂成型的珠状网纹跑道面层及其制备方法 Download PDF

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WO2018035702A1
WO2018035702A1 PCT/CN2016/096331 CN2016096331W WO2018035702A1 WO 2018035702 A1 WO2018035702 A1 WO 2018035702A1 CN 2016096331 W CN2016096331 W CN 2016096331W WO 2018035702 A1 WO2018035702 A1 WO 2018035702A1
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component
surface layer
isocyanate
filler
track surface
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PCT/CN2016/096331
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English (en)
French (fr)
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赵文海
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江门市长河化工实业集团有限公司
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Priority to PCT/CN2016/096331 priority Critical patent/WO2018035702A1/zh
Priority to CN201680033141.0A priority patent/CN108064256A/zh
Publication of WO2018035702A1 publication Critical patent/WO2018035702A1/zh

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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • C09D175/08—Polyurethanes from polyethers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
    • C08G18/3893—Low-molecular-weight compounds having heteroatoms other than oxygen containing silicon
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4804—Two or more polyethers of different physical or chemical nature
    • C08G18/4812—Mixtures of polyetherdiols with polyetherpolyols having at least three hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6666—Compounds of group C08G18/48 or C08G18/52
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18—Fireproof paints including high temperature resistant paints
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
    • E01C13/06—Pavings made in situ, e.g. for sand grounds, clay courts E01C13/003
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2265—Oxides; Hydroxides of metals of iron
    • C08K2003/2272—Ferric oxide (Fe2O3)
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation

Definitions

  • the invention belongs to the technical field of all-plastic plastic track, and particularly relates to a single-component on-site spray-molded bead-shaped textured runway surface layer and a preparation method thereof.
  • the surface layer material of the racetrack is generally: 1.
  • the EPDM particles are sprayed after being coated with an adhesive; 2. After the polyurethane coating of a certain thickness is scraped, the EPDM particles are thrown and fixed by using a polyurethane coating; 3, the factory produces prefabricated runway surface layer materials; 4, the existing runway materials are mostly two-component curing, heavy metal catalysts need to be added during the curing process, and the materials need to use organic solvents in the synthesis process, causing environmental impact influences.
  • the first two EPDM particles are easy to fall off, causing a large amount of particles to accumulate on the surface layer of the runway; the latter is prefabricated by the factory, and many seams on the site are easy to crack, which cannot meet the integration requirements, and the use of heavy metal catalysts and organic solvents The use is easy to affect the environment and does not meet environmental requirements.
  • the present invention proposes a one-component on-site spray-molded bead-shaped textured runway surface layer
  • the runway surface layer material is A one-component curing, solvent-free, particle-free full-plastic type, polyurethane spray surface layer material directly sprayed on the all-plastic runway reinforcement layer;
  • the surface layer material is made of high-strength, high weather-resistant, high-toughness polyurea polyurethane
  • the material itself has high thixotropic properties. After being sprayed on the site by the runway spraying equipment, it forms a beaded mesh structure to provide the best friction surface for the entire runway material. No particle full plastic shape, which solves the rubber particle runway particle shedding. Defects; one-component cure mechanism eliminates some of the heavy metal catalysts required for two-component cure.
  • a one-component in-situ spray-formed beaded mesh runway surface layer the material of which is composed of a mixture of component A and component B in a weight ratio of 1:2, characterized in that the composition of component A and component B
  • the raw materials are matched by weight percentage as follows:
  • Anti-aging agent 0.5-1.5%
  • the polyether polyol is a polyether polyol having a functionality of 2-3 and the isocyanate is an isocyanate having a functionality of 2-3.
  • the isocyanate is selected from the group consisting of diphenylmethane diisocyanate.
  • the thixotropic filler is selected from at least one of fumed silica, modified kaolin or modified calcium carbonate.
  • the filler is selected from one of talc, quartz powder, montmorillonite, kaolin or aluminum hydroxide.
  • the silane coupling agent is selected from the group consisting of vinyltriethoxysilane, vinyltrimethoxysilane or gamma-glycidoxypropyltrimethoxysilane.
  • the anti-aging agent is selected from the group consisting of light stabilizers, UV absorbers, antioxidants or hydrolysis stabilizers.
  • the plasticizer is selected from the group consisting of vegetable oil plasticizers.
  • the toner is selected from the group consisting of iron oxide red, iron sapphire green, iron oxide blue, iron oxide yellow or titanium dioxide.
  • the invention discloses a preparation method of a single-component on-site spray-molded bead-shaped textured track surface layer, and the preparation steps are as follows: the polyether polyol, the filler, the thixotropic filler are weighed and dehydrated to (dehydration quantitative index), and then The reaction is carried out at 65-70 ° C with the isocyanate, and the reaction is carried out for 3-4 hours, and then the amount of isocyanate in the reaction system is detected. When the amount of isocyanate is 7.0-7.5, the silane is added dropwise to the reaction system.
  • component A and component B are mixed and stirred according to a weight ratio of 1:2, sprayed by a spray machine and solidified.
  • the components A and B are in accordance with 1: 2 (Weight ratio) After mixing evenly, spray it on the surface of the reinforced layer of the runway with the spray painter, spray it twice in the forward and reverse directions.
  • the curing time is about 6-10 hours per curing.
  • the thickness after curing is 2.0mm, the construction temperature. in 15-35 °C.
  • the present invention provides a one-component on-site spray-molded beaded mesh runway surface layer
  • the runway surface layer material is A one-component cured, solvent-free, particle-free, fully molded polyurethane runway facing material that is directly sprayed onto the all-plastic runway reinforcement layer.
  • the surface layer material is made of high-strength, high-weathering, high-toughness polyurea polyurethane material.
  • the material itself has high thixotropic properties. After being sprayed on the site by the runway spraying equipment, it is formed into a beaded net structure to give the overall runway material. Provides the best friction surface. No particle full plastic shape, to solve the defects of rubber particle runway particle shedding.
  • the invention adopts a one-component curing mechanism, which is more in line with environmental protection requirements, and the conventional preparation method is two-component curing, and at the same time, some heavy metal catalysts need to be added.
  • the one-component on-site spray-molded bead-shaped textured runway surface layer of the invention has the following test results: anti-slip value (BPN20 ° C): 50-58; flame retardancy: 1 grade.
  • the invention firstly reacts with the isocyanate by the polyether polyol, then grafts the silane onto the isocyanate group, and then adds a large amount of thixotropic filler, and sprays to form a beaded network structure with relatively large thixotropic properties.
  • Component A Weigh 33kg polyether glycol, 20kg polyether triol, 18kg talc and 5kg The fumed silica is dehydrated at a high temperature, and then reacted with 22 kg of diphenylmethane diisocyanate at 70 ° C for 4 hours, and then the amount of isocyanate in the reaction system is detected, when the amount of isocyanate is At 7.0, 1 kg of ⁇ -glycidoxypropyltrimethoxysilane was added dropwise to the reaction system, and the amount of isocyanate in the system was measured to be 5.0, and then the temperature was lowered to 50-55 ° C, and then 1 kg was added.
  • Component B Weigh 30kg vegetable oil plasticizer, 10kg iron oxide red, 33kg modified calcium carbonate, according to the weight percentage 27 kg of quartz powder, kneaded uniformly using a kneading kettle. Then at the site temperature, follow the 1 : 2 The ratio of (weight ratio) is uniformly mixed and stirred, and after being sprayed by the runway sprayer, the beaded mesh runway surface layer is obtained by adsorbing moisture in the air or post-replenishing moisture.
  • the material of the surface layer of the racetrack is modified by a silane coupling agent, and the color paste with high thixotropy coefficient is sprayed by the on-site runway spraying machine to form a high-strength, high-weathering bead-shaped textured runway surface layer, and the surface layer of the runway Thickness is about 2mm.
  • Component A Weigh 35kg polyether glycol, 19kg polyether triol, 17kg quartz powder and 6kg The modified kaolin is dehydrated at a high temperature, and then reacted with 21 kg of diphenylmethane diisocyanate at 65 ° C for 4 hours, and then the amount of isocyanate in the reaction system is detected, when the amount of isocyanate is At 7.5, 1 kg of vinyltriethoxysilane was added dropwise to the reaction system, and the amount of isocyanate in the system was measured to be 5.0, and then the temperature was lowered to 50-55 ° C, and then 1 kg was added.
  • Component B According to weight percentage, weigh 29kg vegetable oil plasticizer, 10kg iron sapphire green, 35kg modified calcium carbonate, 26kg The aluminum hydroxide powder was kneaded uniformly using a kneading kettle. Then at the site temperature, follow the 1 : 2 The ratio of (weight ratio) is uniformly mixed and stirred, and after being sprayed by the runway sprayer, the beaded mesh runway surface layer is obtained by adsorbing moisture in the air or post-replenishing moisture.
  • the material of the surface layer of the racetrack is modified by a silane coupling agent, and the color paste with high thixotropy coefficient is sprayed by the on-site runway spraying machine to form a high-strength, high-weathering bead-shaped textured runway surface layer, and the surface layer of the runway Thickness is about 2mm.
  • Component A Weigh 35kg polyether glycol, 20kg polyether triol, 17kg montmorillonite and 4kg The fumed silica is dehydrated at a high temperature, and then reacted with 24 kg of diphenylmethane diisocyanate at 65 ° C for 4 hours, and then the amount of isocyanate in the reaction system is detected, when the amount of isocyanate is At 7.5, 0.5 kg of vinyltrimethoxysilane was added dropwise to the reaction system, and the amount of isocyanate in the system was measured to be 5.0, and then the temperature was lowered to 50-55 ° C, and then 0.5 kg was added.
  • Component B Weigh 28kg vegetable oil plasticizer, 11kg iron oxide blue, 33kg modified kaolin according to weight percentage, 28 kg of quartz powder was kneaded uniformly using a kneading kettle. Then at the site temperature, follow the 1 : 2 The ratio of (weight ratio) is uniformly mixed and stirred, and after being sprayed by the runway sprayer, the beaded mesh runway surface layer is obtained by adsorbing moisture in the air or post-replenishing moisture.
  • the material of the surface layer of the racetrack is modified by a silane coupling agent, and the color paste with high thixotropy coefficient is sprayed by the on-site runway spraying machine to form a high-strength, high-weathering bead-shaped textured runway surface layer, and the surface layer of the runway Thickness is about 2mm.
  • Component A Weigh 33kg polyether glycol, 20kg polyether triol, 18kg montmorillonite and 6kg The fumed silica is dehydrated at a high temperature, and then reacted with 20 kg of diphenylmethane diisocyanate at 65 ° C for 4 hours, and then the amount of isocyanate in the reaction system is detected, when the amount of isocyanate is At 7.5, 1.5 kg of vinyltrimethoxysilane was added dropwise to the reaction system, and the amount of isocyanate in the system was measured to be 5.0, and then the temperature was lowered to 50-55 ° C, and then 1.5 kg was added.
  • the material of the surface layer of the racetrack is modified by a silane coupling agent, and the color paste with high thixotropy coefficient is sprayed by the on-site runway spraying machine to form a high-strength, high-weathering bead-shaped textured runway surface layer, and the surface layer of the runway Thickness is about 2mm.
  • Example 1-4 The beaded mesh runway layer obtained in Example 1-4 is made into a fully plastic plastic track, and then tested.
  • test results are as follows:
  • Anti-slip value (BPN20°C) Flame retardant value
  • Example 1 50-58 Level 1
  • Example 2 50-58 Level 1
  • Example 3 50-58 Level 1
  • Example 4 50-58 Level 1
  • Examples 1-4 The prepared beaded mesh runway surface layer is fully used in accordance with national standards for the all-plastic plastic track.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
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Abstract

一种现场喷涂成型的珠状网纹跑道面层及其制备方法，该面层由A组分和B组分混合而成，A组分包括聚醚多元醇、异氰酸酯、填料、硅烷偶联剂、触变填料、抗老化剂；B组分包括增塑剂、填料、色粉、触变填料。

Description

单组份现场喷涂成型的珠状网纹跑道面层及其制备方法 单组份现场喷涂成型的珠状网纹跑道面层及其制备方法
技术领 域
本发明属于全塑型塑胶跑道技术领域，具体涉及一种单组份 现场喷涂成型的珠状网纹跑道面层 及其制备方法。
背景技术
现有的跑道产品中，跑道面层材料一般为：1、EPDM颗粒经过胶黏剂包裹后喷涂而成；2、刮涂一定厚度的聚氨酯涂料后，抛撒EPDM颗粒，利用聚氨酯涂料固定而成；3、工厂制作预制型跑道面层材料；4、现有的跑道材料多为双组分固化，在固化过程中需添加重金属催化剂，并且材料在合成的过程中需用到有机溶剂，对环境造成影响。前两个EPDM颗粒容易脱落，造成大量的颗粒堆积在跑道面层；后者为工厂预制而成，现场铺设多接缝易裂开，无法达到一体化要求，而重金属催化剂的使用以及有机溶剂的使用容易对环境造成影响，不符合环保要求。
发明内容
为解决现有塑胶跑道面层存在的问题，本发明提出一种单组份 现场喷涂成型的珠状网纹跑道面层 ，该跑道面层材料是 一种单组份固化、无溶剂、无颗粒全塑型、直接喷涂在全塑型跑道加强层面上的聚氨酯跑道面层材料；面层材料采用高强度、高耐候、高韧性的聚脲型聚氨酯材料，材料本身有高触变的特性，现场经过跑道喷涂设备喷涂后，结成珠状网纹结构，给跑道材料整体提供最佳的摩擦表面；无颗粒全塑型，解决橡胶颗粒跑道颗粒脱落的缺陷；单组份固化机理，免去了双组份固化所需要的一些重金属催化剂。
本发明的技术方案是这样实现的：
一种单组份现场喷涂成型的珠状网纹跑道面层，其材料由A组分和B组分按重量比1：2混合而成，其特征在于，A组分和B组分的组成原料按重量百分比配比如下：
A 组分：
聚醚多元醇 53.0-55.0%；
异氰酸酯 20.0-24.0%；
填料 16.0-18.0%；
硅烷偶联剂 0.5-1.5%；
触变填料 4.0-6.0%；
抗老化剂 0.5-1.5%；
B 组分：
增塑剂 28.0-32.0%；
填料 26.0-28.0%；
色粉 9.0-11.0%；
触变填料 31.0-35.0%；
优选地，聚醚多元醇为官能度为2-3的聚醚多元醇，异氰酸酯为官能度为2-3的异氰酸酯。
优选地，异氰酸酯选自二苯基甲烷二异氰酸酯。
优选地，所述触变填料选自气相二氧化硅、改性高岭土或改性碳酸钙中的至少一种。
优选地，填料选自滑石粉、石英粉、蒙脱土、高岭土或氢氧化铝中的一种。
优选地，硅烷偶联剂选自乙烯基三乙氧基硅烷、乙烯基三甲氧基硅烷或γ-缩水甘油氧丙基三甲氧基硅烷。
优选地，抗老化剂选自光稳定剂、紫外线吸收剂、抗氧化剂或者水解稳定剂。
优选地，增塑剂选自植物油增塑剂。
优选地，色粉选自氧化铁红、铁酞绿、氧化铁蓝、氧化铁黄或钛白粉。
一种单组份现场喷涂成型的珠状网纹跑道面层的制备方法，制备步骤如下：按比例称取所述聚醚多元醇、填料、触变填料并脱水至（脱水量化指标），再与所述异氰酸酯在65-70℃进行反应，反应3-4小时，然后检测反应体系中的异氰酸根数量，当异氰酸根数量为7.0-7.5时，再向反应体系中滴加所述硅烷偶联剂直至体系中异氰酸根数量为5.0-5.5，再降温至50-55℃，然后添加所述抗老化剂，再降温过滤得到A组分；按比例称取所述增塑剂、色粉、触变填料、普通填料，并使用捏合釜进行捏合均匀，得到B组分，在常温下A组分和B组分按照重量比1：2混合搅拌，通过喷涂机喷涂并固化后得到所述的珠状网纹跑道面层。
优选地， A 、 B 组份按照 1 ： 2 （重量比）搅拌均匀后，用跑道喷涂机均匀喷涂在跑道加强层材料面上，正反交叉方向喷涂两遍，每遍固化时间约为 6-10 小时，固化后厚度在 2.0mm ，施工温度在 15-35 ℃。
本发明的有益效果：
1 、本发明提出一种单组份 现场喷涂成型的珠状网纹跑道面层 ，该跑道面层材料是 一种单组份固化、无溶剂、无颗粒全塑型、直接喷涂在全塑型跑道加强层面上的聚氨酯跑道面层材料。面层材料采用生成的高强度、高耐候、高韧性的聚脲型聚氨酯材料，材料本身有高触变的特性，现场经过跑道喷涂设备喷涂后，结成珠状网纹结构，给跑道材料整体提供最佳的摩擦表面。无颗粒全塑型，解决橡胶颗粒跑道颗粒脱落的缺陷。
2 、本发明采用单组份固化机理，更加符合环保的要求，而传统的制备方法为双组份固化，同时还需加入一些重金属催化剂。
3 、本发明的单组份现场喷涂成型的珠状网纹跑道面层，经检测结果如下：抗滑值（BPN20℃)：50-58；阻燃性：1级。
4 、本发明首先通过聚醚多元醇先与异氰酸酯反应，然后再把硅烷接枝到异氰酸基团上，再加入大量的触变填料，喷涂可以形成触变比较大的珠状网纹结构。
具体实施方式
实施例 1
A 组分：称取 33kg 聚醚二元醇、 20kg 聚醚三元醇、 18kg 滑石粉与 5kg 气相二氧化硅进行高温脱水，然后再与 22kg 二苯基甲烷二异氰酸酯在 70 ℃进行反应，反应 4 小时，然后检测反应体系中的异氰酸根数量，当异氰酸根数量为 7.0 时，再向反应体系中滴加 1kg γ - 缩水甘油氧丙基三甲氧基硅烷，测得体系中异氰酸根数量为 5.0 ，再降温至 50-55 ℃，然后添加 1kg 抗氧化剂，再降温过滤包装得到聚氨酯预聚体； B 组份：按照重量百分数计算，称取 30kg 植物油增塑剂、 10kg 氧化铁红、 33kg 改性碳酸钙、 27kg 石英粉，使用捏合釜进行捏合均匀。然后在现场施工时在常温下按照 1 ： 2 （重量比）的比例混合搅拌均匀，经过跑道喷涂机喷涂后，通过吸附空气中水汽或者是后补水分进行固化得到所述的珠状网纹跑道面层。该跑道面层层材料通过硅烷偶联剂改性聚氨酯，与触变系数高的色浆，经过现场跑道喷涂机喷涂后，形成高强度、高耐候的珠状网纹跑道面层，跑道面层厚度约为 2mm 。
实施例 2
A 组分：称取 35kg 聚醚二元醇、 19kg 聚醚三元醇、 17kg 石英粉与 6kg 改性高岭土进行高温脱水，然后再与 21kg 二苯基甲烷二异氰酸酯在 65 ℃进行反应，反应 4 小时，然后检测反应体系中的异氰酸根数量，当异氰酸根数量为 7.5 时，再向反应体系中滴加 1kg 乙烯基三乙氧基硅烷，测得体系中异氰酸根数量为 5.0 ，再降温至 50-55 ℃，然后添加 1kg 抗氧化剂，再降温过滤包装得到聚氨酯预聚体； B 组份：按照重量百分数计算，称取 29kg 植物油增塑剂、 10kg 铁酞绿、 35kg 改性碳酸钙、 26kg 氢氧化铝粉，使用捏合釜进行捏合均匀。然后在现场施工时在常温下按照 1 ： 2 （重量比）的比例混合搅拌均匀，经过跑道喷涂机喷涂后，通过吸附空气中水汽或者是后补水分进行固化得到所述的珠状网纹跑道面层。该跑道面层层材料通过硅烷偶联剂改性聚氨酯，与触变系数高的色浆，经过现场跑道喷涂机喷涂后，形成高强度、高耐候的珠状网纹跑道面层，跑道面层厚度约为 2mm 。
实施例 3
A 组分：称取 35kg 聚醚二元醇、 20kg 聚醚三元醇、 17kg 蒙脱土与 4kg 气相二氧化硅进行高温脱水，然后再与 24kg 二苯基甲烷二异氰酸酯在 65 ℃进行反应，反应 4 小时，然后检测反应体系中的异氰酸根数量，当异氰酸根数量为 7.5 时，再向反应体系中滴加 0.5kg 乙烯基三甲氧基硅烷，测得体系中异氰酸根数量为 5.0 ，再降温至 50-55 ℃，然后添加 0.5kg 抗氧化剂，再降温过滤包装得到聚氨酯预聚体； B 组份：按照重量百分数计算，称取 28kg 植物油增塑剂、 11kg 氧化铁蓝、 33kg 改性高岭土、 28kg 石英粉，使用捏合釜进行捏合均匀。然后在现场施工时在常温下按照 1 ： 2 （重量比）的比例混合搅拌均匀，经过跑道喷涂机喷涂后，通过吸附空气中水汽或者是后补水分进行固化得到所述的珠状网纹跑道面层。该跑道面层层材料通过硅烷偶联剂改性聚氨酯，与触变系数高的色浆，经过现场跑道喷涂机喷涂后，形成高强度、高耐候的珠状网纹跑道面层，跑道面层厚度约为 2mm 。
实施例 4
A 组分：称取 33kg 聚醚二元醇、 20kg 聚醚三元醇、 18kg 蒙脱土与 6kg 气相二氧化硅进行高温脱水，然后再与 20kg 二苯基甲烷二异氰酸酯在 65 ℃进行反应，反应 4 小时，然后检测反应体系中的异氰酸根数量，当异氰酸根数量为 7.5 时，再向反应体系中滴加 1.5kg 乙烯基三甲氧基硅烷，测得体系中异氰酸根数量为 5.0 ，再降温至 50-55 ℃，然后添加 1.5kg 抗氧化剂，再降温过滤包装得到聚氨酯预聚体； B 组份：按照重量百分数计算，称取 32kg 植物油增塑剂、 9kg 钛白粉、 31kg 改性碳酸钙、 28kg 石英粉，使用捏合釜进行捏合均匀。然后在现场施工时在常温下按照 1 ： 2 （重量比）的比例混合搅拌均匀，经过跑道喷涂机喷涂后，通过吸附空气中水汽或者是后补水分进行固化得到所述的珠状网纹跑道面层。该跑道面层层材料通过硅烷偶联剂改性聚氨酯，与触变系数高的色浆，经过现场跑道喷涂机喷涂后，形成高强度、高耐候的珠状网纹跑道面层，跑道面层厚度约为 2mm 。
将实施例 1-4 所得珠状网纹跑道面层制作成全塑型塑胶跑道，然后进行检测，具体测量方法参见 GB/T14833-2011 ，检测结果如下：
表 1 聚氨酯泡沫性能测试数据
抗滑值（ BPN20℃) 阻燃值
实施例 1 50-58 1 级
实施例 2 50-58 1 级
实施例 3 50-58 1 级
实施例 4 50-58 1 级
从表 1 中可以看出，实施例 1-4 所制备的珠状网纹跑道面层用于全塑型塑胶跑道完全符合国家标准要求。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (9)

  1. 一种单组份现场喷涂成型的珠状网纹跑道面层，其材料由A组分和B组分按重量比1：2混合而成，其特征在于，A组分和B组分的组成原料按重量百分比配比如下：
    A组分：
    聚醚多元醇 53.0-55.0%；
    异氰酸酯 20.0-24.0%；
    填料 16.0-18.0%；
    硅烷偶联剂 0.5-1.5%；
    触变填料 4.0-6.0%；
    抗老化剂 0.5-1.5%；
    B组分：
    增塑剂 28.0-32.0%；
    填料 26.0-28.0%；
    色粉 9.0-11.0%；
    触变填料 31.0-35.0%；
    所述聚醚多元醇为官能度为2-3的聚醚多元醇；所述异氰酸酯为官能度为2-3的异氰酸酯。
  2. 根据权利要求1所述的单组份现场喷涂成型的珠状网纹跑道面层，其特征在于，所述异氰酸酯选自二苯基甲烷二异氰酸酯。
  3. 根据权利要求1所述的单组份现场喷涂成型的珠状网纹跑道面层，其特征在于，所述触变填料选自气相二氧化硅、改性高岭土或改性碳酸钙中的至少一种。
  4. 根据权利要求1~3中任一项所述的单组份现场喷涂成型的珠状网纹跑道面层，其特征在于，所述填料选自滑石粉、石英粉、蒙脱土、高岭土或氢氧化铝中的一种。
  5. 根据权利要求4所述的单组份现场喷涂成型的珠状网纹跑道面层，其特征在于，所述硅烷偶联剂选自乙烯基三乙氧基硅烷、乙烯基三甲氧基硅烷或γ-缩水甘油氧丙基三甲氧基硅烷。
  6. 根据权利要求5所述的单组份现场喷涂成型的珠状网纹跑道面层，其特征在于，所述抗老化剂选自光稳定剂、紫外线吸收剂、抗氧化剂或者水解稳定剂。
  7. 根据权利要求6所述的单组份现场喷涂成型的珠状网纹跑道面层，其特征在于，所述增塑剂选自植物油增塑剂。
  8. 根据权利要求7所述的单组份现场喷涂成型的珠状网纹跑道面层，其特征在于，所述色粉选自氧化铁红、铁酞绿、氧化铁蓝、氧化铁黄或钛白粉。
  9. 一种权利要求1所述的单组份现场喷涂成型的珠状网纹跑道面层的制备方法，其特征在于，按比例称取所述聚醚多元醇、填料、触变填料并脱水至（脱水量化指标），再与所述异氰酸酯在65-70℃进行反应，反应3-4小时，然后检测反应体系中的异氰酸根数量，当异氰酸根数量为7.0-7.5时，再向反应体系中滴加所述硅烷偶联剂直至体系中异氰酸根数量为5.0-5.5，再降温至50-55℃，然后添加所述抗老化剂，再降温过滤得到A组分；按比例称取所述增塑剂、色粉、触变填料、普通填料，并使用捏合釜进行捏合均匀，得到B组分，在常温下A组分和B组分按照重量比1：2混合搅拌，通过喷涂机喷涂并固化后得到所述的珠状网纹跑道面层。
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