CN110655798A - Asphalt pavement hydrophobic material and preparation method thereof - Google Patents
Asphalt pavement hydrophobic material and preparation method thereof Download PDFInfo
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- CN110655798A CN110655798A CN201910994380.8A CN201910994380A CN110655798A CN 110655798 A CN110655798 A CN 110655798A CN 201910994380 A CN201910994380 A CN 201910994380A CN 110655798 A CN110655798 A CN 110655798A
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- 239000010426 asphalt Substances 0.000 title claims abstract description 66
- 230000002209 hydrophobic effect Effects 0.000 title claims abstract description 43
- 239000000463 material Substances 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 35
- 238000002844 melting Methods 0.000 claims abstract description 35
- 239000000843 powder Substances 0.000 claims abstract description 13
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 12
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229920002050 silicone resin Polymers 0.000 claims abstract description 12
- 239000010457 zeolite Substances 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 11
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims abstract description 9
- 235000017281 sodium acetate Nutrition 0.000 claims abstract description 9
- 239000001632 sodium acetate Substances 0.000 claims abstract description 9
- XYRAEZLPSATLHH-UHFFFAOYSA-N trisodium methoxy(trioxido)silane Chemical compound [Na+].[Na+].[Na+].CO[Si]([O-])([O-])[O-] XYRAEZLPSATLHH-UHFFFAOYSA-N 0.000 claims abstract description 6
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims description 8
- -1 methyl vinyl Chemical group 0.000 claims description 7
- 239000000706 filtrate Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 239000004890 Hydrophobing Agent Substances 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- 238000001914 filtration Methods 0.000 claims 1
- 238000005303 weighing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008014 freezing Effects 0.000 abstract description 3
- 238000007710 freezing Methods 0.000 abstract description 3
- 230000001629 suppression Effects 0.000 abstract description 2
- 230000008018 melting Effects 0.000 description 11
- 238000005507 spraying Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Road Paving Structures (AREA)
Abstract
一种沥青路面疏水材料及其制备方法。疏水材料由以重量份计的下列原料组成：改性乳化沥青100、35％浓度的醋酸钠10—12、沸石粉20、甲基硅酸钠10—12、甲基硅树脂3—4。本发明效果：本疏水材料喷涂到沥青路面后，会在沥青路面表面形成一层疏水层，从而增大了沥青路面与冰面的接触角，同时降低了沥青路面与冰面的粘结力；通过较强的疏水抑冰能力，可将冰面与沥青路面分离开且降低凝固点，从而能够主动融雪化冰；此外，沸石粉能改善融雪剂所造成的道面摩擦系数降低的问题，从而保证车辆在冬季路面结冰状态下能正常行驶。使用沸石粉吸附融雪剂，可起到缓释融雪剂的作用，也使融雪剂得到了更好的保存，能够延长本材料的耐久性。A hydrophobic material for asphalt pavement and a preparation method thereof. The hydrophobic material is composed of the following raw materials in parts by weight: 100 of modified emulsified asphalt, 10-12 of sodium acetate with a concentration of 35%, 20 of zeolite powder, 10-12 of sodium methyl silicate, and 3-4 of methyl silicone resin. Effects of the invention: After the hydrophobic material is sprayed onto the asphalt pavement, a layer of hydrophobic layer will be formed on the surface of the asphalt pavement, thereby increasing the contact angle between the asphalt pavement and the ice surface, and simultaneously reducing the cohesive force between the asphalt pavement and the ice surface; Through the strong hydrophobicity and ice suppression ability, the ice surface can be separated from the asphalt pavement and the freezing point can be lowered, so that the snow and ice can be melted actively; The vehicle can drive normally under icy conditions on the road in winter. The use of zeolite powder to adsorb the snow-melting agent can play the role of slow-releasing the snow-melting agent, and the snow-melting agent can be better preserved, which can prolong the durability of the material.
Description
技术领域technical field
本发明属于疏水材料及其制备技术领域，特别是涉及一种沥青路面疏水材料及制备方法。The invention belongs to the technical field of hydrophobic materials and preparation thereof, and particularly relates to a hydrophobic material for asphalt pavement and a preparation method thereof.
背景技术Background technique
道路路面结冰对于道路交通安全来说影响十分显著，以往研究成果表明：提高路面疏水能力，能延缓路面在寒冷天气下的结冰时间，降低冰与路面之间的黏结力，从而减少除冰时间。由于冬季我国路面的积雪结冰现象较为普遍，使得路面附着系数大大减小，抗滑性能大幅度降低，因此易引发交通事故。故应提高路面的疏水能力，增加路面融雪化冰效果。Road icing has a significant impact on road traffic safety. Previous research results show that improving the hydrophobicity of the road can delay the freezing time of the road in cold weather, reduce the adhesion between the ice and the road, and reduce deicing. time. Due to the widespread snow and icing of road surfaces in my country in winter, the adhesion coefficient of the road surface is greatly reduced, and the anti-skid performance is greatly reduced, so it is easy to cause traffic accidents. Therefore, the hydrophobic capacity of the pavement should be improved, and the snow-melting and ice-melting effect of the pavement should be increased.
目前我国公路路面绝大多数仍采用沥青路面。当沥青路面出现积雪结冰时，通常采用撒布融雪剂、机械除冰等传统的除冰雪方法，但这些方法存在污染环境、对路面保护能力差、作业速度慢等弊端，因此无法达到主动融雪化冰的目的。At present, the vast majority of highway pavements in my country still use asphalt pavement. When snow and icing appear on the asphalt pavement, traditional snow removal methods such as spraying snow melting agent and mechanical deicing are usually used. However, these methods have disadvantages such as polluting the environment, poor road protection ability, and slow operation speed, so they cannot achieve active snow melting. The purpose of melting ice.
发明内容SUMMARY OF THE INVENTION
为了解决上述问题，本发明的目的在于提供一种沥青路面疏水材料及制备方法。In order to solve the above problems, the purpose of the present invention is to provide a hydrophobic material for asphalt pavement and a preparation method thereof.
为了达到上述目的，本发明提供的沥青路面疏水材料由以重量份计的下列原料组成：In order to achieve the above object, the asphalt pavement hydrophobic material provided by the present invention is composed of the following raw materials in parts by weight:
所述的甲基硅树脂采用甲基乙烯基MQ硅树脂或甲基含氢MQ硅树脂。Described methyl silicone resin adopts methyl vinyl MQ silicone resin or methyl hydrogen-containing MQ silicone resin.
本发明提供的沥青路面疏水材料的制备方法包括按顺序进行的下列步骤：The preparation method of the asphalt pavement hydrophobic material provided by the present invention comprises the following steps in order:
1)将上述各原料按比例称重，然后将沸石粉完全浸没在作为融雪剂的35％浓度的醋酸钠中并混合均匀，之后静置24小时，最后经过滤、将过滤物烘干而制成缓释融雪剂；1) the above-mentioned raw materials are weighed in proportion, then the zeolite powder is completely immersed in the sodium acetate of 35% concentration as the snow-melting agent and mixed uniformly, then left standstill for 24 hours, and finally filtered and dried to make the filtrate. into a slow-release snow melting agent;
2)将上述缓释融雪剂加入到作为附着剂的改性乳化沥青中并混合均匀而制成含有缓释融雪剂的改性乳化沥青；2) adding the above-mentioned slow-release snow-melting agent into the modified emulsified asphalt as an adhesive and mixing uniformly to make the modified emulsified asphalt containing the slow-release snow-melting agent;
3)将作为疏水剂的甲基硅酸钠和甲基硅树脂加入到上述含有缓释融雪剂的改性乳化沥青中并混合均匀，即可制成所述的沥青路面疏水材料。3) Adding sodium methyl silicate and methyl silicone resin as hydrophobic agents to the modified emulsified asphalt containing slow-release snow melting agent and mixing uniformly, the asphalt pavement hydrophobic material can be prepared.
本发明提供的沥青路面疏水材料及制备方法的有益效果是：The beneficial effects of the asphalt pavement hydrophobic material and the preparation method provided by the present invention are:
本疏水材料喷涂到沥青路面后，会在沥青路面表面形成一层疏水层，从而增大了沥青路面与冰面的接触角，同时降低了沥青路面与冰面的粘结力；通过较强的疏水抑冰能力，可将冰面与沥青路面分离开且降低凝固点，从而能够主动融雪化冰；此外，沸石粉能改善融雪剂所造成的道面摩擦系数降低的问题，从而保证车辆在冬季路面结冰状态下能正常行驶。同时，可使用乳化沥青撒布机直接喷涂，因此操作简便、喷涂效率高、环保、高效、能耗低；使用沸石粉吸附融雪剂，可起到缓释融雪剂的作用，也使融雪剂得到了更好的保存，能够延长本材料的耐久性，具有更高的经济性，因此在道路工程中具有较广泛的应用价值。After the hydrophobic material is sprayed on the asphalt pavement, a hydrophobic layer will be formed on the surface of the asphalt pavement, thereby increasing the contact angle between the asphalt pavement and the ice surface, and at the same time reducing the adhesion between the asphalt pavement and the ice surface; The hydrophobic ice suppression ability can separate the ice surface from the asphalt pavement and reduce the freezing point, so as to actively melt the snow and ice; in addition, the zeolite powder can improve the problem of reducing the friction coefficient of the pavement caused by the snow melting agent, so as to ensure that the vehicle can be used on the road in winter. It can drive normally under icing conditions. At the same time, the emulsified asphalt spreader can be used for direct spraying, so the operation is simple, the spraying efficiency is high, environmental protection, high efficiency, and low energy consumption; the use of zeolite powder to adsorb the snow-melting agent can play the role of slow-release snow-melting agent, and also make the snow-melting agent obtainable. Better preservation can prolong the durability of the material, and has higher economy, so it has wider application value in road engineering.
具体实施方式Detailed ways
下面结合实施例对本发明提供的沥青路面疏水材料及制备方法进行进一步详细描述。The hydrophobic material for asphalt pavement and its preparation method provided by the present invention will be further described in detail below with reference to the examples.
实施例1Example 1
本实施例提供的沥青路面疏水材料由下列原料组成：The asphalt pavement hydrophobic material provided in this embodiment is composed of the following raw materials:
制备方法：Preparation:
1)将上述各原料按比例称重，然后将20g沸石粉完全浸没在已放入容器内的作为融雪剂的10g浓度为35％的醋酸钠中，此时醋酸钠的液面高于沸石粉的表面大约1cm左右，并用搅拌器混合均匀，之后静置24小时，最后经过滤、将过滤物烘干而制成缓释融雪剂；1) above-mentioned each raw material is weighed in proportion, then 20g of zeolite powder is completely immersed in the sodium acetate that has been put into the container as the 10g concentration of snow melting agent is 35%, the liquid level of sodium acetate is higher than the zeolite powder now The surface of the powder is about 1cm, and mix it evenly with a mixer, then let it stand for 24 hours, and finally filter and dry the filtrate to make a slow-release snow melting agent;
2)将上述缓释融雪剂加入到100g作为附着剂改性乳化沥青中并混合均匀而制成含有缓释融雪剂的改性乳化沥青；2) adding the above-mentioned slow-release snow-melting agent to 100 g as an adhesive modified emulsified asphalt and mixing uniformly to make the modified emulsified asphalt containing the slow-release snow-melting agent;
3)将作为疏水剂的10g甲基硅酸钠和3g甲基乙烯基MQ硅树脂加入到上述含有缓释融雪剂的改性乳化沥青中并混合均匀，即可制成所述的沥青路面疏水材料。3) 10g of sodium methyl silicate and 3g of methyl vinyl MQ silicone resin as hydrophobic agent are added to the above-mentioned modified emulsified asphalt containing slow-release snow-melting agent and mixed uniformly to make the hydrophobic asphalt pavement. Material.
实施例2Example 2
本实施例提供的沥青路面疏水材料由下列原料组成：The asphalt pavement hydrophobic material provided in this embodiment is composed of the following raw materials:
制备方法：Preparation:
1)将上述各原料按比例称重，然后将20g沸石粉完全浸没在已放入容器内的11g浓度为35％的醋酸钠中，此时醋酸钠的液面高于沸石粉的表面大约1cm左右，并用搅拌器混合均匀，之后静置24小时，最后经过滤、将过滤物烘干而制成缓释融雪剂；1) above-mentioned each raw material is weighed in proportion, then 20g of zeolite powder is completely immersed in 11g of sodium acetate with a concentration of 35% that has been put into the container, and the liquid level of sodium acetate is about 1cm higher than the surface of zeolite powder at this moment. left and right, and mix evenly with a mixer, then let stand for 24 hours, and finally filter and dry the filtrate to make a slow-release snow melting agent;
2)将上述缓释融雪剂加入到100g改性乳化沥青中并混合均匀而制成含有缓释融雪剂的改性乳化沥青；2) adding the above-mentioned slow-release snow-melting agent into 100 g of modified emulsified asphalt and mixing uniformly to make a modified emulsified asphalt containing the slow-release snow-melting agent;
3)将作为疏水剂的11g甲基硅酸钠和3.5g甲基含氢MQ硅树脂加入到上述含有缓释融雪剂的改性乳化沥青中并混合均匀，即可制成所述的沥青路面疏水材料。3) 11g of sodium methyl silicate and 3.5g of methyl hydrogen-containing MQ silicone resin as hydrophobic agent are added to the above-mentioned modified emulsified asphalt containing slow-release snow melting agent and mixed uniformly to make the asphalt pavement. Hydrophobic material.
实施例3Example 3
本实施例提供的沥青路面疏水材料由下列原料组成：The asphalt pavement hydrophobic material provided in this embodiment is composed of the following raw materials:
制备方法：Preparation:
1)将上述各原料按比例称重，然后将20g沸石粉完全浸没在已放入容器内的12g浓度为35％的醋酸钠中，此时醋酸钠的液面高于沸石粉的表面大约1cm左右，并用搅拌器混合均匀，之后静置24小时，最后经过滤、将过滤物烘干而制成缓释融雪剂；1) above-mentioned each raw material is weighed in proportion, then 20g zeolite powder is completely immersed in the sodium acetate that has been put into the 12g concentration of 35% in the container, the liquid level of sodium acetate is higher than the surface of zeolite powder about 1cm now left and right, and mix evenly with a mixer, then let stand for 24 hours, and finally filter and dry the filtrate to make a slow-release snow melting agent;
2)将上述缓释融雪剂加入到100g改性乳化沥青中并混合均匀而制成含有缓释融雪剂的改性乳化沥青；2) adding the above-mentioned slow-release snow-melting agent into 100 g of modified emulsified asphalt and mixing uniformly to make a modified emulsified asphalt containing the slow-release snow-melting agent;
3)将作为疏水剂的12g甲基硅酸钠和4g甲基乙烯基MQ硅树脂加入到上述含有缓释融雪剂的改性乳化沥青中并混合均匀，即可制成所述的沥青路面疏水材料。3) 12g of sodium methyl silicate and 4g of methyl vinyl MQ silicone resin as hydrophobic agents are added to the above-mentioned modified emulsified asphalt containing slow-release snow-melting agent and mixed uniformly to make the hydrophobic asphalt pavement. Material.
现将本发明提供的沥青路面疏水材料的使用方法阐述如下：The use method of the asphalt pavement hydrophobic material provided by the present invention is described as follows:
1、将待喷洒本发明提供的沥青路面疏水材料的沥青路面进行平整，清除掉杂物并用水冲洗干净；1. The asphalt pavement to be sprayed with the asphalt pavement hydrophobic material provided by the present invention is leveled, and the debris is removed and rinsed with water;
2、利用乳化沥青撒布机将上述实施例制备的沥青路面疏水材料均匀喷涂在沥青路面上，待沥青路面疏水材料破乳、晾干后而在沥青路面上形成一层疏水层，静置一段时间后沥青路面即可进行使用。2. The asphalt pavement hydrophobic material prepared in the above embodiment is uniformly sprayed on the asphalt pavement by using an emulsified asphalt spreader. After the asphalt pavement hydrophobic material is demulsified and dried, a hydrophobic layer is formed on the asphalt pavement, and it is allowed to stand for a period of time. After the asphalt pavement can be used.
为了验证本发明提供的沥青路面疏水材料的效果，本发明进行了如下实验：将冰雪分别放在上述实施例制备的设有疏水层的沥青路面和未喷涂沥青路面疏水材料的沥青路面上，在零下2℃的温度下经过24小时发现，设有疏水层的沥青路面上的冰雪已融化，而未喷涂沥青路面疏水材料的沥青路面仍有一层薄冰，说明本发明提供的沥青路面疏水材料能有效增大水和路面的接触角，降低冰面和路面的粘结力，并且在多次循环实验中其效果处于稳定状态；另外，本发明提供的沥青路面疏水材料在小雪状态下的融雪化冰效果明显。In order to verify the effect of the asphalt pavement hydrophobic material provided by the present invention, the present invention carried out the following experiments: ice and snow were placed on the asphalt pavement provided with the hydrophobic layer prepared in the above embodiment and the asphalt pavement without spraying the asphalt pavement hydrophobic material, respectively. After 24 hours at a temperature of minus 2°C, it was found that the ice and snow on the asphalt pavement with the hydrophobic layer had melted, while the asphalt pavement without the asphalt pavement hydrophobic material still had a thin layer of ice, indicating that the asphalt pavement hydrophobic material provided by the present invention can be used. It can effectively increase the contact angle between water and the road surface, reduce the adhesive force between the ice surface and the road surface, and its effect is in a stable state in multiple cycle experiments; Ice effect is obvious.
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