CN113088260A - Efficient environment-friendly degradable dust suppressant with quick sterilization effect and preparation method thereof - Google Patents
Efficient environment-friendly degradable dust suppressant with quick sterilization effect and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a high-efficiency environment-friendly degradable dust suppressant with a quick sterilization effect and a preparation method thereof, and relates to the field of dust suppressants. The composite material comprises the following components in percentage by mass: 0.01-50% of water-soluble polymer, 0-40% of wetting agent, 0.01-50% of water-soluble modified plant polysaccharide, 0-60% of solubilizer, 0.01-15% of dispersant, 0.01-10% of defoaming agent and 0.01-30% of bactericide. After spraying, the dust particles can be quickly agglomerated and settled, a solidification layer with a three-dimensional network structure is formed, the dust particles are fixed, and dust raising is prevented. Meanwhile, the bactericide can be highly gathered on the surface of the thallus, and the effect of quick sterilization is realized.
Description
Technical Field
The invention relates to the field of dust suppressants, in particular to a high-efficiency environment-friendly degradable dust suppressant with a quick sterilization effect.
Background
The traditional bactericide and dust suppressant have single effect, and cannot meet the requirements of sterilizing and suppressing dust at the same time and preventing virus and bacteria from being transmitted through dust such as PM10 and the like. If the two are used by mixing, complex mixing operation is required, and the aqueous solution of part of the bactericide is not suitable for long-term storage, namely, the operation requirement of preparation and use increases the use difficulty.
Therefore, if a product is provided, the dual requirements of sterilization and dust suppression can be met, the rapid dispersion use can be realized, and meanwhile, the product is safe and non-irritant to human bodies, animals and plants, and has good market acceptance.
Disclosure of Invention
The invention aims to provide a high-efficiency environment-friendly degradable dust suppressant with a quick sterilization effect, which can quickly agglomerate and settle dust particles after being sprayed, form a bonding layer with a three-dimensional network structure, fix the dust particles and prevent dust from flying. Meanwhile, the bactericide can be highly gathered on the surface of the thallus, and the effect of quick sterilization is realized.
In order to realize the effect, the invention discloses a high-efficiency environment-friendly degradable dust suppressant with a quick sterilization effect, which comprises the following components in percentage by mass:
0.01 to 50% of a water-soluble polymer,
0 to 40 percent of wetting agent,
0.01 to 50 percent of water-soluble modified plant polysaccharide,
0 to 60 percent of solubilizer,
0.01 to 15 percent of dispersant,
0.01 to 10 percent of defoaming agent,
0.01-30% of a bactericide.
Preferably, the high-efficiency environment-friendly degradable dust suppressant with the quick sterilization effect disclosed by the invention comprises the following components in percentage by mass:
0.01 to 42% of a water-soluble polymer,
0 to 36 percent of wetting agent,
0.01 to 44 percent of water-soluble modified plant polysaccharide,
0 to 50 percent of solubilizer,
0.01 to 12 percent of dispersant,
0.01 to 8 percent of defoaming agent,
0.01-28% of a bactericide.
More preferably, the high-efficiency environment-friendly degradable dust suppressant with the rapid sterilization effect is characterized by comprising the following components in percentage by mass:
1 to 35% of a water-soluble polymer,
0 to 30 percent of wetting agent,
1-35% of water-soluble modified plant polysaccharide,
0 to 45 percent of solubilizer,
0.01 to 10 percent of dispersant,
0.01 to 5 percent of defoaming agent,
1-25% of a bactericide.
Furthermore, the high-efficiency environment-friendly degradable dust suppressant with the quick sterilization effect disclosed by the invention is solid or liquid such as suspension or solution in powder, sheet, block, particle and irregular shapes.
Furthermore, the high-efficiency environment-friendly degradable dust suppressant with the rapid sterilization effect disclosed by the invention at least meets one of the following requirements:
the water-soluble polymer is selected from any one or a combination of at least two of polyvinyl alcohol, polyacrylamide, water-soluble polyurethane, polyacrylic acetate, polyvinylpyrrolidone and polyethylene oxide;
the wetting agent is selected from any one or the combination of at least two of sulfonated oil, glycerol, soybean lecithin, propylene glycol, ethylene glycol, butyl naphthalene sulfonate, butanediol, polyethylene glycol and dimethyl carbonate;
the water-soluble modified plant polysaccharide is selected from any one or the combination of at least two of water-soluble starch, esterified starch and/or pregelatinized starch, guar gum, sodium alginate, chitin, hydroxypropyl methyl cellulose, hydroxymethyl cellulose, hydroxyethyl cellulose, xanthan gum, carboxymethyl cellulose, sodium carboxymethyl cellulose, Arabic gum, carboxyethyl cellulose and sodium carboxyethyl cellulose;
the solubilizer is any one or combination of at least two of polysorbate (Tween-20, Tween-40, Tween-60, Tween-80 and the like), ethylene glycol polyoxyethylene ether, polyoxyethylene fatty acid esters and polyglyceryl-2 dipolyhydroxystearate;
the dispersing agent is any one or the combination of at least two of polyether phosphate, aryl ethyl phenyl polyglycol ether phosphate, ethoxy fatty acid ester, modified aryl polyglycol ether, aryl ethyl phenyl polyglycol ether, high molecular weight polyurethane, polyether phosphate fatty acid ammonium salt and polyether phosphate copolymer;
the defoaming agent is any one or the combination of at least two of mineral oil, alcohols, fatty acid and fatty acid esters, amides, phosphates, organic silicon, polyether and polyether modified polysiloxane defoaming agents, and the defoaming agent is in a liquid or powder state;
the bactericide is any one or combination of at least two of biguanide and quaternary ammonium salt bactericides, chlorine-containing bactericides, peroxide bactericides, alcohols, oxazolines, aldehydes and other bactericides, and is in a liquid or powder state.
The invention also discloses a preparation method of the high-efficiency environment-friendly degradable dust suppressant with the quick sterilization effect, which comprises the following steps: weighing the raw materials according to the proportion of each component, respectively adding the water-soluble polymer, the water-soluble modified plant polysaccharide, the solubilizer and the defoaming agent into powder stirring equipment, spraying the wetting agent or the dispersant while stirring, stirring for 15-30 minutes, uniformly mixing, adding the bactericide into the stirring equipment, and uniformly stirring to obtain the high-efficiency environment-friendly degradable dust suppressant with the quick sterilization effect.
The invention has the beneficial effects that:
the high-efficiency environment-friendly degradable dust suppressant with the broad-spectrum sterilization and disinfection function has the excellent dust suppression effect and the sterilization and disinfection function, and the sterilization rate is more than 99.9 percent. The product can be directly added into a sprinkler for use, is uniformly dispersed when meeting water, has no blocky or flocculent precipitate, has no layering and is convenient to construct. The sterilizing dust suppressant does not need to be stirred in the using process whether the sterilizing dust suppressant is powder or the stock solution, and can be used by directly adding the sterilizing dust suppressant into water. The environment-friendly dust suppressant provided by the invention can meet the sterilization and disinfection requirements of public areas during epidemic situations. Through high dust suppression efficiency and high sterilization and disinfection effect, the virus transmission caused by the dispersion of dust particles such as PM10 and the like is cut off, and the public health safety is improved. Meanwhile, the paint has no corrosivity on roads and vehicles and no harm on animals, plants and human bodies.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying specific embodiments, in which some, but not all embodiments of the invention are shown and described, and which are intended to be illustrative only and are not to be construed as limiting the scope of the invention. All other embodiments, which can be derived by a person skilled in the art on the basis of the present invention without inventive step, are within the scope of protection of the present invention.
In the present invention, those who do not specify specific conditions are performed according to conventional conditions or conditions recommended by the manufacturer, and those who do not specify the reagents or instruments used are conventional products commercially available.
Polyvinyl alcohol (PVA 1788): an average polymerization degree of 1650 to 1850, an alcoholysis degree (mole fraction) of 86.0 to 90.0%, a viscosity (25 ℃) of 20.0 to 26.5 mPa.s, a Sichuan vinylon factory as a petrochemical group in China.
Polyvinyl alcohol (PVA 2488): the average polymerization degree is 2400-2500, the alcoholysis degree (mole fraction) is 86.0-90.0%, the viscosity (25 ℃) is 45-55 mPa.s, Shanghai Meimengjia chemical engineering science and technology Limited.
Sodium carboxymethylcellulose having a viscosity of 900 to 3100 mPas.
Polyethylene glycol with molecular weight of 200-6000.
Water soluble starch (technical grade): the pH (5% solution, 25.0 deg.C) is 5.0-7.0, and the starch product can be dissolved in cold water to form transparent product.
Example 1
The efficient environment-friendly degradable dust suppressant with the quick sterilization effect comprises the following components in percentage by mass: 25% of polyvinyl alcohol (PVA 1788), 14.9% of glycerol, 10% of sodium carboxymethylcellulose, 10% of water-soluble starch, 15% of polysorbate (Tween-20), 5% of defoaming powder, 0.1% of high molecular weight polyurethane and 20% of biguanide bactericide;
the preparation method comprises the following steps: according to the proportion, polyvinyl alcohol, water-soluble starch, sodium carboxymethylcellulose, polysorbate and defoaming powder are respectively added into a powder stirring device, a glycerol solution containing high molecular weight polyurethane is sprayed while stirring, stirring is carried out for 30 minutes, then biguanide bactericides are added, and the efficient environment-friendly degradable dust suppressant with a quick sterilization effect is obtained after uniform mixing.
Example 2
The efficient environment-friendly degradable dust suppressant with the quick sterilization effect comprises the following components in percentage by mass: 25% of polyvinyl alcohol (PVA 1788), 15% of polyethylene glycol (PEG-200), 3% of sodium alginate, 10% of water-soluble starch, 23.5% of polysorbate (Tween-40), 5% of defoaming powder, 0.5% of arylethylphenyl polyethylene glycol ether and 18% of quaternary ammonium salt bactericide;
the preparation method comprises the following steps: according to the proportion, polyvinyl alcohol, water-soluble starch, sodium alginate, polysorbate and defoaming powder are respectively added into a powder stirring device, a mixed solution of aryl ethyl phenyl polyglycol ether and polyethylene glycol is sprayed while stirring, stirring is carried out for 30 minutes, then biguanide bactericides are added, and the efficient environment-friendly degradable dust suppressant with a quick sterilization effect is obtained after uniform mixing.
Example 3
The efficient environment-friendly degradable dust suppressant with the quick sterilization effect comprises the following components in percentage by mass: 15% of polyvinyl alcohol (PVA 1788), 20% of polyvinylpyrrolidone, 20% of butanediol, 4.5% of sodium alginate, 20% of polysorbate (Tween-60), 3% of defoaming powder, 0.5% of arylethylphenyl polyglycol ether and 17% of sodium hypochlorite bactericide;
the preparation method comprises the following steps: according to the proportion, polyvinyl alcohol, polyvinylpyrrolidone, sodium alginate, polysorbate (Tween-20), defoaming powder and butanediol are respectively added into powder stirring equipment, the arylethylphenyl polyglycol ether is sprayed while stirring, stirring is carried out for 30 minutes, then sodium hypochlorite bactericide is added, and the high-efficiency environment-friendly degradable dust suppressant with quick sterilization effect is obtained after even mixing.
Example 4
The efficient environment-friendly degradable dust suppressant with the quick sterilization effect comprises the following components in percentage by mass: 14% of polyvinyl alcohol (PVA 1788), 8% of polyacrylamide, 15% of polyethylene glycol (PEG-600), 17% of guar gum, 17% of polysorbate (Tween-40), 3% of defoaming powder, 1% of phosphate and 25% of hydrogen peroxide bactericide;
the preparation method comprises the following steps: according to the proportion, polyvinyl alcohol, polyacrylamide, guar gum, polysorbate (Tween-40) and defoaming powder are respectively added into powder stirring equipment, polyethylene glycol solution containing phosphate is sprayed while stirring, stirring is carried out for 30 minutes, then hydrogen peroxide bactericide is added, and the high-efficiency environment-friendly degradable liquid dust suppressant with quick sterilization effect is obtained after the mixture is uniformly mixed and dispersed into water.
Example 5
The efficient environment-friendly degradable dust suppressant with the quick sterilization effect comprises the following components in percentage by mass: 30% of polyvinyl alcohol (PVA 2488), 11% of hydroxypropyl methyl cellulose, 20% of polyethylene glycol (PEG-200), 5% of xanthan gum, 15% of polysorbate (Tween-20), 3% of defoaming powder, 4% of polyether phosphate copolymer and 12% of quaternary ammonium salt bactericide;
the preparation method comprises the following steps: according to the proportion, polyvinyl alcohol, hydroxypropyl methylcellulose, xanthan gum, polysorbate (Tween-20) and defoaming powder are respectively added into a powder stirring device, a polyethylene glycol solution containing polyether phosphate copolymer is sprayed while stirring, stirring is carried out for 20 minutes, then quaternary ammonium salt bactericide is added, and the mixture is uniformly mixed, so that the high-efficiency environment-friendly degradable dust suppressant with a quick sterilization effect is obtained.
Example 6
The efficient environment-friendly degradable dust suppressant with the quick sterilization effect comprises the following components in percentage by mass: 35% of polyvinyl alcohol (PVA 2488), 25% of modified starch, 3% of defoaming powder, 10% of polyethylene glycol (PEG-600), 5% of arylethylphenyl polyethylene glycol ether and 22% of quaternary ammonium salt bactericide;
the preparation method comprises the following steps: according to the proportion, polyvinyl alcohol, modified starch, polyethylene glycol and defoaming powder are respectively added into a powder stirring device, the arylethylphenyl polyethylene glycol ether is sprayed while stirring, the stirring is carried out for 20 minutes, then the quaternary ammonium salt bactericide is added, and the mixture is uniformly mixed to obtain the high-efficiency environment-friendly degradable dust suppressant with the rapid sterilizing effect.
Example 7
The efficient environment-friendly degradable dust suppressant with the quick sterilization effect comprises the following components in percentage by mass: 35% of polyvinyl alcohol (PVA 2488), 25% of modified starch, 5% of sodium carboxymethylcellulose, 5% of defoaming powder, 4% of aryl ethyl phenyl polyglycol ether, 4% of modified aryl polyglycol ether and 22% of quaternary ammonium salt bactericide;
the preparation method comprises the following steps: according to the proportion, polyvinyl alcohol, modified starch and defoaming powder are respectively added into a powder stirring device, the mixed solution of aryl ethyl phenyl polyglycol ether and modified aryl polyglycol ether is sprayed while stirring, stirred for 15 minutes, then quaternary ammonium salt bactericide is added, and the mixture is uniformly mixed to obtain the high-efficiency environment-friendly degradable dust suppressant with quick sterilization effect.
Test example 1 measurement of solubility
The high-efficiency environment-friendly degradable dust suppressant with the rapid sterilization effect is subjected to dissolution performance detection, the solid or liquid dust suppressant is directly added into water without stirring, and the dissolved state is observed, and the result is shown in table 1.
TABLE 1 results of measurement of dissolution Properties
The test results show that the high-efficiency environment-friendly degradable powder dust suppressant can be directly added into water, can be rapidly dispersed to form uniform liquid without stirring, is not bonded, has no blocky precipitate, and is convenient to produce and use. The liquid dust suppressant can be quickly dispersed into uniform liquid without layering and precipitation after being dissolved in water, so that later-stage spraying construction is facilitated. Meanwhile, in comparative examples 1 to 7, the amount of the solubilizer and the wetting agent is greatly reduced after the dispersant is added, and the same dissolving effect as that of the solubilizer is also achieved.
Test example 2 Performance test
The performance of the high-efficiency environment-friendly degradable dust suppressant is tested, and the result is shown in Table 2 by taking a comparative example as a comparison.
The detection method comprises the following steps:
weathering rate, thickness of cured layer: TB/T3210.1-2009 railway coal transportation dust suppression technical condition part 1: dust suppressant
Relative plant seed damage rate: DB 11/T161-2012 snow-melting agent
GB/T21604-
GB/T21605-
GB/T21603-
TABLE 2 Performance test results
The test results show that the high-efficiency environment-friendly sterilization dust suppressant has excellent dust suppression effect and sterilization effect, can effectively control dust emission, and cuts off virus propagation caused by the flying of dust particles such as PM10 and the like. After spraying, a three-dimensional network structure solidification layer can be formed to fix dust particles and prevent dust from flying. The quaternary ammonium salt bactericide has good surface activity, can be highly gathered on the surface of thalli, and influences the metabolism of bacteria. The dispersant has certain emulsification and solubilization functions, and after the dispersant is used, the fat solubility of the bactericide is enhanced, so that the dispersion of the bactericidal components and the aggregation on the surfaces of bacteria are facilitated, the bactericidal effect is improved, meanwhile, the dissolution of the dust suppression components is facilitated, the use amount of the solubilizer is reduced, and the same or even better bactericidal and dissolving effects are achieved. In addition, after the high-efficiency environment-friendly sterilization dust suppressant is added with the sterilization component and the dispersing agent, the environment friendliness and the plant seed damage rate are not obviously changed, which indicates that the environment-friendly characteristic of the product is not influenced by the addition component, and the high-efficiency environment-friendly sterilization dust suppressant has metal corrosivity and plant seed damage rateHas low harm, no skin irritation, and low inhalation and oral toxicity (LC)50、LD50The larger the value of (A), the lower the corresponding toxicity), the product is safe and environment-friendly.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore intended that all such changes and modifications as fall within the true spirit and scope of the invention be considered as within the following claims.
Claims (6)
1. The efficient environment-friendly degradable dust suppressant with the rapid sterilization effect is characterized by comprising the following components in percentage by mass:
0.01 to 50% of a water-soluble polymer,
0 to 40 percent of wetting agent,
0.01 to 50 percent of water-soluble modified plant polysaccharide,
0 to 60 percent of solubilizer,
0.01 to 15 percent of dispersant,
0.01 to 10 percent of defoaming agent,
0.01-30% of a bactericide.
2. The efficient environment-friendly degradable dust suppressant with the rapid sterilizing effect as claimed in claim 1, characterized by comprising the following components by mass percent:
0.01 to 42% of a water-soluble polymer,
0 to 36 percent of wetting agent,
0.01 to 44 percent of water-soluble modified plant polysaccharide,
0 to 50 percent of solubilizer,
0.01 to 12 percent of dispersant,
0.01 to 8 percent of defoaming agent,
0.01-28% of a bactericide.
3. The efficient environment-friendly degradable dust suppressant with a quick sterilizing effect according to claim 2, characterized by comprising the following components in percentage by mass:
1 to 35% of a water-soluble polymer,
0 to 30 percent of wetting agent,
1-35% of water-soluble modified plant polysaccharide,
0 to 45 percent of solubilizer,
0.01 to 10 percent of dispersant,
0.01 to 5 percent of defoaming agent,
1-25% of a bactericide.
4. The efficient environment-friendly degradable dust suppressant with a rapid bactericidal effect according to any one of claims 1 to 3, wherein the efficient environment-friendly degradable dust suppressant with a rapid bactericidal effect is a solid or a liquid such as a suspension or a solution in the form of powder, a sheet, a block, a granule or an irregular shape.
5. The efficient environment-friendly degradable dust suppressant with a rapid bactericidal effect according to any one of claims 1 to 3, wherein at least one of the following conditions is satisfied:
the water-soluble polymer is selected from any one or a combination of at least two of polyvinyl alcohol, polyacrylamide, water-soluble polyurethane, polyacrylic acetate, polyvinylpyrrolidone and polyethylene oxide;
the wetting agent is selected from any one or the combination of at least two of sulfonated oil, glycerol, soybean lecithin, propylene glycol, ethylene glycol, butyl naphthalene sulfonate, butanediol, polyethylene glycol and dimethyl carbonate;
the water-soluble modified plant polysaccharide is selected from any one or the combination of at least two of water-soluble starch, esterified starch and/or pregelatinized starch, guar gum, sodium alginate, chitin, hydroxypropyl methyl cellulose, hydroxymethyl cellulose, hydroxyethyl cellulose, xanthan gum, carboxymethyl cellulose, sodium carboxymethyl cellulose, Arabic gum, carboxyethyl cellulose and sodium carboxyethyl cellulose;
the solubilizer is any one or combination of at least two of polysorbate (Tween-20, Tween-40, Tween-60, Tween-80 and the like), ethylene glycol polyoxyethylene ether, polyoxyethylene fatty acid esters and polyglyceryl-2 dipolyhydroxystearate;
the dispersing agent is any one or the combination of at least two of polyether phosphate, aryl ethyl phenyl polyglycol ether phosphate, ethoxy fatty acid ester, modified aryl polyglycol ether, aryl ethyl phenyl polyglycol ether, high molecular weight polyurethane, polyether phosphate fatty acid ammonium salt and polyether phosphate copolymer;
the defoaming agent is any one or the combination of at least two of mineral oil, alcohols, fatty acid and fatty acid esters, amides, phosphates, organic silicon, polyether and polyether modified polysiloxane defoaming agents, and the defoaming agent is in a liquid or powder state;
the bactericide is any one or combination of at least two of biguanide and quaternary ammonium salt bactericides, chlorine-containing bactericides, peroxide bactericides, alcohols, oxazolines, aldehydes and other bactericides, and is in a liquid or powder state.
6. The efficient environment-friendly degradable dust suppressant with a rapid sterilizing effect as claimed in any one of claims 1 to 5, which is prepared by the following method: weighing the raw materials according to the respective proportions of the groups, respectively adding the water-soluble polymer, the water-soluble modified plant polysaccharide, the solubilizer and the defoaming agent into powder stirring equipment, spraying the wetting agent or the dispersant while stirring, stirring for 15-30 minutes, uniformly mixing, adding the bactericide into the stirring equipment, and uniformly stirring to obtain the high-efficiency environment-friendly degradable dust suppressant with the quick sterilization effect.
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| CN114350319A (en) * | 2021-12-13 | 2022-04-15 | 煤炭科学技术研究院有限公司 | Dust suppressant for railway coal transportation and preparation method thereof |
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| CN115181546A (en) * | 2022-07-26 | 2022-10-14 | 中国铁道科学研究院集团有限公司金属及化学研究所 | Dust suppressant for railway coal transportation and preparation method thereof |
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