CN110982492A - Urban road dust suppressant - Google Patents
Urban road dust suppressant Download PDFInfo
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- CN110982492A CN110982492A CN201911238163.2A CN201911238163A CN110982492A CN 110982492 A CN110982492 A CN 110982492A CN 201911238163 A CN201911238163 A CN 201911238163A CN 110982492 A CN110982492 A CN 110982492A
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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
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Abstract
The urban road dust suppressant provided by the invention comprises the following raw materials in parts by weight: 0.1-10 parts of water-soluble high-molecular polymer; 0.1-10 parts of a humectant; 0.1-5 parts of a surfactant; 0.5-5 parts of binder and 80-100 parts of water. This urban road dust suppressant reaches the synergism through adopting water-soluble high molecular polymer, humectant, surfactant active, binder and water to the ratio of each raw materials of rational configuration, need not to add the antiseptic of inorganic salt, neither can cause the harm to road surface and environment, can also reach the effect equivalent with the dust suppressant that adds the antiseptic of inorganic salt simultaneously: the corrosion of the road dust suppressant to the vehicle is reduced or avoided, the storage time is prolonged, and the road is kept free of dust for more than twelve days.
Description
Technical Field
The invention relates to the technical field of environmental protection, in particular to an urban road dust suppressant.
Background
Due to the rapid development of social, economic, urbanization and エ industrialization processes, increasingly serious environmental problems are brought about inevitably. Among them, inhalable particles in the air, such as dust, are an important cause of the environmental problems. Related studies have shown that an increase in human mortality is associated with airborne inhalable particles, which cause health problems with cancer, deformity, mutation, etc. Therefore, the emission of particulate matters such as dust in the air is strictly controlled and treated, and the air conditioning, the appearance of haze weather reduction and human health protection are significant, so that the problem to be solved is urgently solved.
The traditional dust suppression mode is mainly water sprinkling and dust suppression, but the water sprinkling and dust suppression not only wastes a large amount of water resources, but also has quick evaporation in summer (only keeping about 10min after one-time sprinkling) and is easy to freeze in winter, so the long-term large-area popularization and application are difficult; the chemical dust suppressant is produced in response to the supplement of the defects of sprinkling and dust suppression, overcomes the defects of the traditional sprinkling and dust suppression (low freezing point and difficult evaporation), and has excellent performances of wetting, bonding, coagulation, moisture absorption, water retention and the like, so that the chemical dust suppressant is widely popularized and applied.
Although the existing chemical dust suppressant has a good dust suppression effect, most of the chemical dust suppressant has a corrosion problem on road vehicles, so researchers improve the existing dust suppressant, and by adding a preservative (mostly inorganic salts), the corrosion effect of the road dust suppressant on the vehicles can be reduced or avoided, and the storage time can be prolonged. For example, chinese patent document CN102660227A discloses a road dust suppressant comprising a water-soluble high molecular polymer; a moisture absorbing humectant; preservatives and penetrants; wherein, the preservative is borax and sodium nitrite. Although the dust suppressant disclosed by the document can reduce or avoid the corrosion effect of the road dust suppressant on vehicles, the storage time is prolonged, and the road can be kept free of dust for more than twelve days; however, inorganic salts contained in the dust suppressant generate a salt swelling phenomenon, so that the roadbed of the road is damaged; moreover, if salt is brought into the soil of the roadside green belt, the roadside green plants die; causing great harm to the environment and the road surface.
Disclosure of Invention
Therefore, the invention aims to overcome the defect that inorganic salts added in the road dust suppressant in the prior art cause damage to road surfaces and environment, and provide the urban road dust suppressant.
Therefore, the invention provides the following technical scheme:
an urban road dust suppressant comprises the following raw materials in parts by weight: 0.1-10 parts of water-soluble high-molecular polymer; 0.1-10 parts of a humectant; 0.1-5 parts of a surfactant; 0.5-5 parts of binder and 80-100 parts of water.
The water-soluble high molecular polymer is a water-soluble melamine high molecular polymer;
the surfactant is a fluorine-containing organic silicon surfactant.
The water-soluble melamine high molecular polymer is at least one of melamine formaldehyde resin, benzoguanamine formaldehyde resin and hexamethoxymethylmelamine resin.
The fluorine-containing organosilicon surfactant is at least one of perfluorohexylethylmethyldimethoxysilane, (3,3, 3-trifluoropropyl) dichloromethylsilane and trifluoropropylmethylcyclotrisiloxane.
The humectant is polyhydric alcohol, and the binder is natural polysaccharide.
The polyhydric alcohol is at least one of glycerol, butanediol, propylene glycol, hexanediol, xylitol and sorbitol;
the natural polysaccharide is alginic acid or starch.
The technical scheme of the invention has the following advantages:
1. the urban road dust suppressant provided by the invention comprises the following raw materials in parts by weight: 0.1-10 parts of water-soluble high-molecular polymer; 0.1-10 parts of a humectant; 0.1-5 parts of a surfactant; 0.5-5 parts of binder and 80-100 parts of water. This urban road dust suppressant reaches the synergism through adopting water-soluble high molecular polymer, humectant, surfactant active, binder and water to the ratio of each raw materials of rational configuration, need not to add the antiseptic of inorganic salt, neither can cause the harm to road surface and environment, can also reach the effect equivalent with the dust suppressant that adds the antiseptic of inorganic salt simultaneously: the corrosion of the road dust suppressant to the vehicle is reduced or avoided, the storage time is prolonged, and the road is kept free of dust for more than twelve days.
2. The fluorine-containing organosilicon surfactant selected by the urban road dust suppressant provided by the invention has ultralow surface tension and is beneficial to infiltration of dust; the water-soluble melamine high molecular polymer has good spreadability and complexation in water, and functional groups in the melamine high molecular polymer can be closely combined with a surfactant, a binding agent and a humectant through interaction such as hydrogen bonds, so that the humectant, the surfactant and the binder can be stably compounded with the water-soluble melamine high molecular polymer, and then the humectant, the surfactant and the binder can be well loaded, a synergistic effect is achieved, the water-soluble melamine high molecular polymer has good cohesiveness and quick film forming property, fine particles on a surface layer can be solidified, the surface strength is increased, a film is quickly formed on the surface of a road, the water-soluble melamine high molecular polymer is covered on the ground surface, the corrosion effect on vehicles can be reduced or avoided, and meanwhile, the water-soluble melamine high molecular polymer has low surface tension and high dust suppression efficiency.
Detailed Description
The following examples are provided to further understand the present invention, not to limit the scope of the present invention, but to provide the best mode, not to limit the content and the protection scope of the present invention, and any product similar or similar to the present invention, which is obtained by combining the present invention with other prior art features, falls within the protection scope of the present invention.
The examples do not show the specific experimental steps or conditions, and can be performed according to the conventional experimental steps described in the literature in the field. The reagents or instruments used are not indicated by manufacturers, and are all conventional reagent products which can be obtained commercially.
Example 1
The embodiment provides an urban road dust suppressant and a preparation method thereof, wherein the urban road dust suppressant comprises the following raw materials by weight:
0.1kg of melamine formaldehyde resin; 0.1kg of glycerol; 0.1kg of perfluorohexylethylmethyldimethoxysilane; 0.5kg alginic acid and 99.7kg water.
The preparation method of the urban road dust suppressant comprises the following steps:
weighing 0.1kg of melamine formaldehyde resin, adding 49.9kg of water for swelling, and stirring at the stirring speed of 500rpm for 30min at room temperature to obtain a melamine formaldehyde resin aqueous solution;
putting 0.1kg of glycerol, 0.1kg of perfluorohexylethylmethyldimethoxysilane and 0.5kg of alginic acid into 48.8kg of water, stirring for 45min at the stirring speed of 1200rpm at room temperature, and filtering to obtain a mixed aqueous solution of the rest raw materials after uniform stirring;
and (3) uniformly mixing the two solutions at a stirring speed of 1000rpm to obtain the urban road dust suppressant.
Example 2
The embodiment provides an urban road dust suppressant and a preparation method thereof, wherein the urban road dust suppressant comprises the following raw materials by weight:
10kg of hexamethoxymethylmelamine resin, 1kg of butanediol, 1kg of (3,3, 3-trifluoropropyl) dichloromethylsilane, 1kg of starch and 87kg of water.
The preparation method of the urban road dust suppressant comprises the following steps:
weighing 10kg of hexamethoxy methyl melamine resin, adding the hexamethoxy methyl melamine resin into 80kg of water for swelling, and stirring at the stirring speed of 1500rpm for 20min at room temperature to obtain an aqueous solution of the hexamethoxy methyl melamine resin;
putting 1kg of butanediol, 1kg of (3,3, 3-trifluoropropyl) dichloromethylsilane and 1kg of starch in 7kg of water, stirring at the stirring speed of 1000rpm at room temperature for 35min, uniformly stirring, and filtering to obtain a mixed aqueous solution of the rest raw materials;
and (3) uniformly mixing the two solutions at a stirring speed of 1000rpm to obtain the urban road dust suppressant.
Example 3
The embodiment provides an urban road dust suppressant and a preparation method thereof, wherein the urban road dust suppressant comprises the following raw materials by weight:
5kg of a benzoguanamine formaldehyde resin, 10kg of propylene glycol, 2kg of trifluoropropylmethylcyclotrisiloxane, 3kg of starch and 80kg of water.
The preparation method of the urban road dust suppressant comprises the following steps:
weighing 5kg of benzoguanamine formaldehyde resin, adding the benzoguanamine formaldehyde resin into 45kg of water for swelling, and stirring at the stirring speed of 1000rpm for 45min at room temperature to obtain a benzoguanamine formaldehyde resin aqueous solution;
putting 10kg of propylene glycol, 2kg of trifluoropropylmethylcyclotrisiloxane and 3kg of starch into 35kg of water, stirring for 40min at the stirring speed of 800rpm at room temperature, uniformly stirring, and filtering to obtain a mixed aqueous solution of the rest raw materials;
and (3) uniformly mixing the two solutions at a stirring speed of 1000rpm to obtain the urban road dust suppressant.
Example 4
The embodiment provides an urban road dust suppressant and a preparation method thereof, wherein the urban road dust suppressant comprises the following raw materials by weight:
1.5kg of benzoguanamine formaldehyde resin, 1.5kg of hexamethoxymethylmelamine resin, 5kg of hexanediol, 2kg of butanediol, 1kg of perfluorohexylethylmethyldimethoxysilane, 1kg of (3,3, 3-trifluoropropyl) dichloromethylsilane, 5kg of starch and 83kg of water.
The preparation method of the urban road dust suppressant comprises the following steps:
weighing 1.5kg of benzoguanamine formaldehyde resin and 1.5kg of hexamethoxymethylmelamine resin, adding into 27kg of water for swelling, and stirring at the stirring speed of 1200rpm for 40min at room temperature to obtain a mixed aqueous solution of the benzoguanamine formaldehyde resin and the hexamethoxymethylmelamine resin;
placing 5kg of hexanediol, 2kg of butanediol, 1kg of perfluorohexylethylmethyldimethoxysilane, 1kg of (3,3, 3-trifluoropropyl) dichloromethylsilane and 5kg of starch in 56kg of water, stirring at 200rpm at room temperature for 45min, stirring uniformly, and filtering to obtain a mixed aqueous solution of the rest raw materials;
and (3) uniformly mixing the two solutions at a stirring speed of 1000rpm to obtain the urban road dust suppressant.
Example 5
The embodiment provides an urban road dust suppressant and a preparation method thereof, wherein the urban road dust suppressant comprises the following raw materials by weight:
7kg of benzoguanamine formaldehyde resin, 1kg of melamine formaldehyde resin, 2kg of xylitol, 1kg of propylene glycol, 1kg of perfluorohexylethylmethyldimethoxysilane, 1kg of (3,3, 3-trifluoropropyl) dichloromethylsilane, 1kg of trifluoropropylmethylcyclotrisiloxane, 4kg of starch and 86kg of water.
The preparation method of the urban road dust suppressant comprises the following steps:
weighing 7kg of benzoguanamine formaldehyde resin and 1kg of melamine formaldehyde resin, adding the benzoguanamine formaldehyde resin and the melamine formaldehyde resin into 60kg of water for swelling, and stirring for 50min at the stirring speed of 800rpm at room temperature to obtain a mixed aqueous solution of the benzoguanamine formaldehyde resin and the melamine formaldehyde resin;
placing 2kg of xylitol, 1kg of propylene glycol, 1kg of perfluorohexylethylmethyldimethoxysilane, 1kg of (3,3, 3-trifluoropropyl) dichloromethylsilane, 1kg of trifluoropropylmethylcyclotrisiloxane and 4kg of starch in 26kg of water, stirring at the stirring speed of 600rpm at room temperature for 25min, and filtering after uniform stirring to obtain a mixed aqueous solution of the rest raw materials;
and (3) uniformly mixing the two solutions at a stirring speed of 1000rpm to obtain the urban road dust suppressant.
Example 6
The embodiment provides an urban road dust suppressant and a preparation method thereof, wherein the urban road dust suppressant comprises the following raw materials by weight:
1kg of a benzoguanamine formaldehyde resin, 0.1kg of a melamine formaldehyde resin, 0.9kg of a hexamethoxymethylmelamine resin, 1kg of sorbitol, 0.5kg of glycerol, 0.5kg of butanediol, 1kg of (3,3, 3-trifluoropropyl) dichloromethylsilane, 1kg of trifluoropropylmethylcyclotrisiloxane, 5kg of alginic acid and 89kg of water.
The preparation method of the urban road dust suppressant comprises the following steps:
weighing 1kg of benzoguanamine formaldehyde resin, 0.1kg of melamine formaldehyde resin and 0.9kg of hexamethoxy methyl melamine resin, adding into 48kg of water for swelling, and stirring at the stirring speed of 1400rpm for 35min at room temperature to obtain a mixed aqueous solution of the three water-soluble high molecular polymers;
putting 1kg of sorbitol, 0.5kg of glycerol, 0.5kg of butanediol, 1kg of (3,3, 3-trifluoropropyl) dichloromethylsilane, 1kg of trifluoropropylmethylcyclotrisiloxane and 5kg of alginic acid in 41kg of water, stirring at 1200rpm at room temperature for 35min, stirring uniformly, and filtering to obtain a mixed aqueous solution of the rest of the raw materials;
and (3) uniformly mixing the two solutions at a stirring speed of 1000rpm to obtain the urban road dust suppressant.
Comparative example 1
The comparison example provides an urban road dust suppressant and a preparation method thereof, and the urban road dust suppressant comprises the following raw materials by weight:
0.1kg of sodium carboxymethylcellulose, 0.1kg of glycerol, 0.1kg of sodium dodecyl sulfate, 0.5kg of alginic acid and 99.7kg of water.
The preparation method of the urban road dust suppressant comprises the following steps:
adding 0.1kg of sodium carboxymethylcellulose into 49.9kg of water to swell for about 2 hours, and stirring and dissolving for 20 minutes at 50 ℃ to obtain sodium carboxymethylcellulose aqueous solution;
dissolving 0.1kg of glycerol, 0.1kg of sodium dodecyl sulfate and 0.5kg of alginic acid in 48.8kg of water under stirring, adding 15kg of glycerol, 2.5kg of sodium nitrite and 1kg of sodium dodecyl sulfate, stirring at the stirring speed of 1200rpm for 45min at room temperature, uniformly stirring, and filtering to obtain a mixed aqueous solution of the rest raw materials;
and (3) uniformly mixing the two solutions at a stirring speed of 1000rpm to obtain the urban road dust suppressant.
Comparative example 2
The comparison example provides an urban road dust suppressant and a preparation method thereof, and the urban road dust suppressant comprises the following raw materials by weight:
0.1kg of melamine formaldehyde resin; 0.1kg of glycerol; 0.1kg of sodium dodecylbenzenesulfonate; 0.5kg alginic acid and 99.7kg water.
The preparation method of the urban road dust suppressant comprises the following steps:
weighing 0.1kg of melamine formaldehyde resin, adding 49.9kg of water for swelling, and stirring at the stirring speed of 500rpm for 30min at room temperature to obtain a melamine formaldehyde resin aqueous solution;
putting 0.1kg of glycerol, 0.1kg of sodium dodecyl benzene sulfonate and 0.5kg of alginic acid into 48.8kg of water, stirring for 45min at the stirring speed of 1200rpm at room temperature, and filtering to obtain a mixed aqueous solution of the rest raw materials after uniform stirring;
and (3) uniformly mixing the two solutions at a stirring speed of 1000rpm to obtain the urban road dust suppressant.
Examples of the experiments
The urban road dust suppressant prepared in each embodiment and each comparative example is diluted with water according to the mass ratio of 1:20, and then is uniformly mixed with the water, and then the performance tests of the road surface friction attenuation rate, the carbon steel corrosion rate, the skin irritation, the relative plant seed damage rate and the effect of keeping the road surface free of dust emission are carried out.
Wherein the road surface friction attenuation rate is operated according to a test method for measuring the road surface skid resistance value by a T0964-2008 pendulum instrument in JTGE 60-2008 < road subgrade and road surface on-site test regulations >; the carbon steel corrosion rate is measured according to GB/T1815-2000 snow-melting agent and a method for measuring the corrosion inhibition performance of a water treatment agent; the skin irritation is measured according to GB/T21604-2008 'test method for acute skin irritation/corrosivity of chemicals'; the relative damage rate of plant seeds is tested according to DB 11/T161 and 2012 animal and plant harmlessness; the test for keeping the effect of preventing dust on the road surface is to spray the dust on the road surface by a spraying vehicle with the spraying amount of 1000g/m2Detecting the retention time of the road surface without raising dust; the test method of the dust suppression efficiency refers to a detection method of the dust suppression efficiency in appendix A in T/CAEPI 7-2017 Water-soluble road dust suppressant; wherein the test temperature is 25 ℃; the relative humidity is 45%; surface tension reference GB/T22237-2008 surface activityMeasurement of surface tension of agent the plate method was used for the test.
The specific test results are shown in table 1 below.
TABLE 1 relevant Performance test results of road dust suppressants prepared in examples and comparative examples
The data in the table show that the road dust suppressant provided by the invention has low carbon steel corrosion rate and no corrosion effect on vehicles, can achieve the technical effect equivalent to that of adding the preservative even if the inorganic salt preservative is not added, does not influence the road traffic condition, has no irritation to skin, has no harm to animals and plants, is safe and environment-friendly, and can keep the road free of dust for more than twelve days.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the spirit or scope of the invention.
Claims (7)
1. The urban road dust suppressant is characterized by comprising the following raw materials in parts by weight: 0.1-10 parts of water-soluble high-molecular polymer; 0.1-10 parts of a humectant; 0.1-5 parts of a surfactant; 0.5-5 parts of binder and 80-100 parts of water.
2. The urban road dust suppressant according to claim 1, wherein the water-soluble high-molecular polymer is a water-soluble melamine high-molecular polymer;
the surfactant is a fluorine-containing organic silicon surfactant.
3. The urban road dust suppressant according to claim 2, wherein the water-soluble melamine based high molecular polymer is at least one of melamine formaldehyde resin, benzoguanamine formaldehyde resin and hexamethoxymethylmelamine resin.
4. The urban road dust suppressant according to claim 2, wherein the fluorochemical silicone surfactant is at least one of perfluorohexylethylmethyldimethoxysilane, (3,3, 3-trifluoropropyl) dichloromethylsilane and trifluoropropylmethylcyclotrisiloxane.
5. The urban road dust suppressant according to any one of claims 1 to 4, wherein said humectant is a polyhydric alcohol and said binder is a natural polysaccharide.
6. The urban road dust suppressant according to claim 5, wherein said polyhydric alcohol is at least one of glycerin, butylene glycol, propylene glycol, hexylene glycol, xylitol and sorbitol.
7. The urban road dust suppressant according to claim 5, wherein the natural polysaccharide is alginic acid or starch.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111849418A (en) * | 2020-08-06 | 2020-10-30 | 广州嘉联科技有限公司 | Superfine coke powder wetting accelerant and preparation method and application thereof |
| CN113943551A (en) * | 2021-11-08 | 2022-01-18 | 江苏乐尔环境科技股份有限公司 | Bonding type dust suppressant |
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| CN102660227A (en) * | 2012-05-02 | 2012-09-12 | 山西兆益矿用材料有限公司 | Road dust suppressant |
| CN109609091A (en) * | 2018-12-07 | 2019-04-12 | 南瑞集团有限公司 | A kind of environmental protection moist type dust suppressant and preparation method thereof |
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| CN1935869A (en) * | 2006-10-08 | 2007-03-28 | 施华强 | Method for preparing modified sulfonated melamine urea resin and its use |
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