Highly permeable polymer dust suppressant, its preparation method and application

Abstract

The application discloses a high-penetration polymer material dust suppressant and a preparation method and application thereof, and is characterized in that the dust suppressant is prepared according to the following steps: (1) sulfonation reaction: dissolving sophorolipid in an organic solvent, stirring and dissolving under heating to 75-85 DEG C, then adding sulfamic acid, keeping the temperature at 75-85 DEG C until the reaction is completed, removing the solvent, dissolving the obtained modified sophorolipid in water, adjusting the pH to 7, and obtaining a mixed solution I; (2) cross-linking copolymerization: adding polyethylene glycol into a container, adding water and stirring under heating until the polyethylene glycol is dissolved, adding vanillin, and cross-linking at 50-70 DEG C until the reaction is completed to obtain a mixed solution II; and mixing the mixed solution I and the mixed solution II to carry out copolymerization reaction to obtain a mixed solution III; (3) adjusting the pH of the mixed solution III to neutral after cooling to room temperature, adding a wetting agent into the mixed solution III, and thus the dust suppressant solution is prepared. The dust suppressant has strong penetration and erosion prevention effects, strong wetting capacity, and is not easy to cause secondary dust raising, and has excellent dust suppression effect.

Description

Technical Field

[0001] This invention relates to the field of dust suppressant technology, specifically to a highly penetrating polymeric material dust suppressant, its preparation method, and its application. Background Technology

[0002] The mining and transportation of coal generate a large amount of dust. This dust not only causes serious pollution to the natural environment but also poses a significant threat to the health of workers. Dust-related occupational diseases such as pneumoconiosis are extremely harmful to miners' health. More seriously, under certain conditions, when the dust concentration in the environment reaches a certain critical value, spontaneous combustion and explosion accidents may occur. In addition, dust accumulation can damage some precision intelligent mechanical equipment in the mine, greatly shortening the service life of the equipment and significantly reducing its reliability. It is clear that dust problems have become a major obstacle to safe production in coal mines.

[0003] To reduce the damage to personnel and equipment caused by coal mine dust dispersion, commonly used dust suppression technologies include coal seam water injection, spray dust suppression, ventilation dust removal, and chemical dust suppression. Among these, chemical dust suppression is one of the newest dust suppression methods currently available. In practical coal mine dust control, wetting is a crucial step in the dust suppression process; however, most traditional polymeric dust suppressants currently available do not have ideal penetration effects. This not only limits their effectiveness in practical applications but may also cause secondary pollution problems. Furthermore, the high cost of these traditional dust suppressants makes their economic benefits unsatisfactory. Therefore, there is an urgent need to develop a highly penetrating polymeric dust suppressant material for efficient dust suppression in coal mines. Summary of the Invention

[0004] To address the shortcomings of existing technologies, the first objective of this invention is to provide a method for preparing a highly penetrating polymeric dust suppressant; the second objective is to provide the prepared highly penetrating polymeric dust suppressant; and the third objective is to provide its applications. It possesses strong penetrability and anti-corrosion properties, strong wetting ability, is unlikely to cause secondary dust generation, and exhibits excellent dust suppression effects.

[0005] To achieve the aforementioned primary objective, the present invention employs the following technical solution: a method for preparing a highly penetrating polymeric dust suppressant, characterized by preparation according to the following steps:

[0006] (1) Preparation of modified sophorolipid: Sophorolipid was dissolved in an organic solvent, heated to 75-85℃, stirred and dissolved, then aminosulfonic acid was added, and the reaction was maintained at 75-85℃ until the end. The solvent was removed, and the obtained modified sophorolipid was dissolved in water and the pH was adjusted to 7 to obtain mixture I.

[0007] (2) Crosslinking copolymerization: Add polyethylene glycol to a container, add water and heat and stir until dissolved, add vanillin, and crosslink at 50-70℃ until the reaction is complete to obtain mixture II. Mix mixture I and mixture II are mixed and copolymerized to obtain mixture III.

[0008] (3) After cooling the mixture III to room temperature, adjust the pH of the solution to neutral, and add a wetting agent to the mixture III to obtain the dust suppressant solution.

[0009] In the above scheme, the organic solvent is one of N,N-dimethylformamide, N,N-dimethylacetamide, and ethyl acetate.

[0010] In the above scheme: the wetting agent is sodium fatty alcohol polyoxyethylene ether sulfate and lauryl glucoside, with a mass ratio of (0.5-2):(2-3).

[0011] In the above formula, the amounts of sophorolipid are 4-12 parts by weight, aminosulfonic acid is 0.8-2.8 parts, polyethylene glycol is 0.5-0.9 parts, vanillin is 0.125-0.225 parts, and wetting agent is 0.7-1.1 parts. Organic solvent is 10-90 parts, and water is 500-2500 parts.

[0012] In the above scheme: in step (1), the reaction time after adding aminosulfonic acid is 1-2 hours.

[0013] In the above scheme: In step (2), polyethylene glycol is added, water is added and heated and stirred at 80-90℃ until dissolved, vanillin is added and reacted for 0.5h-1h to obtain mixed solution II.

[0014] In the above scheme: in step (2), mixture I and mixture II are mixed and reacted at 50-60℃ for 0.5h-1h to obtain mixture III.

[0015] In the above scheme: the water is distilled water.

[0016] The second objective of this invention is achieved as follows: a highly permeable polymeric material dust suppressant prepared by a method for preparing the aforementioned highly permeable polymeric material dust suppressant.

[0017] The third objective of this invention is achieved as follows: the application of the aforementioned highly penetrating polymeric material dust suppressant in coal mine dust reduction.

[0018] The sophorolipid of this invention is a biosurfactant that is non-toxic, biodegradable, environmentally friendly, and will not cause secondary pollution or damage vegetation after use, thus meeting the current pursuit of green and environmentally friendly products. Sophorolipid possesses excellent surface activity properties, such as emulsification, wetting, and dispersion, which enable it to effectively reduce the surface tension of water and improve wettability and permeability.

[0019] Aminosulfonic acid exhibits a mild reaction process, rapid reaction rate, and short reaction time, which helps to significantly improve production efficiency. The reaction product has high purity, requires no complex post-processing, reduces production costs, and is less corrosive to equipment compared to other sulfonating agents such as sulfuric acid.

[0020] Polyethylene glycol has good water solubility and adhesive properties, and can quickly wet the surface of dust particles to form a thin film. The polyethylene glycol molecular chain contains a large number of hydroxyl (-OH) functional groups, which can undergo various reactions and form hydrogen bonds with other substances, thus exhibiting good adhesive properties.

[0021] Vanillin has advantages such as good biocompatibility, easy degradation, and strong reactivity of aldehyde functional groups. Compared with some cross-linking agents, vanillin has less environmental impact during use.

[0022] Sodium fatty alcohol polyoxyethylene ether sulfate is an anionic surfactant with strong wetting, emulsifying, and detergency properties, while lauryl glucoside is a nonionic surfactant with low surface tension and strong wetting ability.

[0023] Sodium fatty alcohol polyoxyethylene ether sulfate and nonionic surfactant lauryl glucoside are combined to form a wetting agent, which exhibits a significant synergistic effect.

[0024] The reaction equation of this invention is as follows:

[0025] (1) Sulfonation reaction

[0026]

[0027] (2) Cross-linking reaction - aldol condensation

[0028]

[0029] In sophorolipid molecules, the nucleophilic hydroxyl group (-OH) is replaced by a sulfonic acid group (-SO3H) released from aminosulfonic acid. Due to steric hindrance, the sulfonation reaction generally occurs at the hydroxymethyl position of the sophorolipid. The hydroxyl group (-OH) in the polyethylene glycol molecule undergoes aldol condensation with the aldehyde group (-CHO) in the vanillin molecule. The aldehyde group reacts with the hydroxyl group to form a hemiacetal intermediate, which then reacts with another hydroxyl group to form a stable ether bond, thus linking the polyethylene glycol molecule and the vanillin molecule together to form a stable chemical bond. As the reaction proceeds, more and more chemical bonds form between the polyethylene glycol molecule and the vanillin molecule, resulting in a three-dimensional cross-linked network structure. This cross-linked structure can improve the stability and mechanical strength of the material. Furthermore, hydrogen bonding exists between the hydroxyl groups of sophorolipid and polyethylene glycol, and their copolymerization can exert a synergistic effect.

[0030] Compared with the prior art, the present invention has the following beneficial effects:

[0031] (1) This invention uses sulfonation to modify sophorolipids, introducing sulfonic acid groups at the hydroxyl positions of the sophorolipids. Sulfonated sophorolipids have stronger wettability, can more effectively reduce the surface tension of water, and improve the permeability and spreadability of the solution. The linear molecular structure is transformed into a three-dimensional network structure through aldol condensation, thereby significantly improving the heat resistance. Due to the establishment of new chemical bonds between macromolecules, the film-forming strength of cross-linked polyethylene glycol is improved. The sulfonated sophorolipids and cross-linked polyethylene glycol copolymerize through hydrogen bonds, which can exert a synergistic effect and significantly enhance the high permeability and film-forming strength of the solution.

[0032] (2) The dust suppressant prepared by the present invention is made of polymer materials. It mainly locks coal dust particles in the polymer network structure through capture, adsorption and aggregation. There are also a variety of ions between polymer molecules. Due to the high charge density, it can quickly capture coal dust particles and adsorb them firmly, and has strong permeability and anti-corrosion effect.

[0033] (3) The dust suppressant prepared by this invention has strong penetrating power and can effectively wet coal dust. Compared with the monomer, the surface tension is greatly reduced and the contact angle is significantly smaller, which can increase the wetting effect of coal dust. After the dust suppressant is sprayed on the coal dust, it quickly wets the dust and forms a dense solidified film, which agglomerates the coal dust particles and makes the particles closely connected. Finally, the experiment shows that the final product has strong wetting ability for dust, is not easy to cause secondary dust, and the dust suppression rate reaches 98.29%, with excellent dust suppression effect. Attached Figure Description

[0034] Figure 1 This is a diagram illustrating the wetting effect of the dust suppressant of the present invention.

[0035] Figure 2 This is a contact angle experimental diagram of the dust suppressant of the present invention.

[0036] Figure 3 This is a graph showing the dust suppression rate of the dust suppressant of the present invention.

[0037] Figure 4 This is a flowchart of the process preparation of the present invention. Detailed Implementation

[0038] The present invention will be further described in detail below through specific embodiments:

[0039] Example 1

[0040] Weigh 4g of sophorolipid and dissolve it in 50g of N,N-dimethylformamide. Heat the solution in a water bath to 80℃ and stir until dissolved. Then, add 0.8g of aminosulfonic acid and heat in a water bath at 80℃ for 1 hour. After the reaction is complete, remove the solvent using a rotary evaporator at 120 rpm. Dissolve the modified sophorolipid obtained above in 200g of distilled water and adjust the pH to 7 to obtain mixture I. Add 0.5g of polyethylene glycol to a beaker, add 300g of distilled water, heat to 80-90℃ and stir until dissolved. Add 0.125g of vanillin, heat to 60℃ and continue the reaction for 1 hour to obtain mixture II. Stir mixture I and mixture II magnetically at 150-250 rpm at 60℃ for 30 minutes, then stop the reaction to obtain mixture III. After cooling mixture III to room temperature, adjust the pH of the solution to neutral. Add 0.7g of wetting agent to mixture III. The wetting agent is a mixture of sodium fatty alcohol polyoxyethylene ether sulfate and lauryl glucoside in a mass ratio of 1:2 to obtain the dust suppressant solution.

[0041] Example 2

[0042] Weigh 4g of sophorolipid and dissolve it in 50g of N,N-dimethylacetamide. Heat the solution in a water bath to 75℃ and stir until dissolved. Then, add 1.6g of aminosulfonic acid and heat in a water bath at 75℃ for 2 hours. After the reaction is complete, remove the solvent using a rotary evaporator at 120 rpm. Dissolve the modified sophorolipid obtained above in 200g of distilled water and adjust the pH to 7 to obtain mixture I. Add 0.9g of polyethylene glycol to a beaker, add 300g of distilled water, heat to 80-90℃ and stir until dissolved. Add 0.175g of vanillin and heat to 50℃ to continue the reaction for 1 hour to obtain mixture II. Stir mixture I and mixture II magnetically at 150-250 rpm at 60℃ for 1 hour to obtain mixture III. After cooling mixture III to room temperature, adjust the pH of the solution to neutral. Add 0.7g of wetting agent to mixture III. The wetting agent is a mixture of sodium fatty alcohol polyoxyethylene ether sulfate and lauryl glucoside in a mass ratio of 1:2 to obtain the dust suppressant solution.

[0043] Example 3

[0044] Weigh 4g of sophorolipid and dissolve it in 50g of ethyl acetate. Heat the solution in a water bath to 75℃ and stir until dissolved. Then, add 2.4g of aminosulfonic acid and heat in a water bath at 75℃ for 2 hours. After the reaction is complete, remove the solvent using a rotary evaporator at 120rpm. Dissolve the modified sophorolipid obtained above in 200g of distilled water and adjust the pH to 7 to obtain mixture I. Add 0.7g of polyethylene glycol to a beaker, add 300g of distilled water, heat to 80-90℃ and stir until dissolved. Add 0.175g of vanillin, heat to 50℃ and continue the reaction for 1 hour to obtain mixture II. Stir mixture I and mixture II magnetically at 150-250r / min at 60℃ for 30 minutes, then stop the reaction to obtain mixture III. After cooling mixture III to room temperature, adjust the pH of the solution to neutral. Add 0.7g of wetting agent to mixture III. The wetting agent is a mixture of sodium fatty alcohol polyoxyethylene ether sulfate and lauryl glucoside in a mass ratio of 1:2 to obtain the dust suppressant solution.

[0045] Example 4

[0046] Weigh 8g of sophorolipid and dissolve it in 50g of N,N-dimethylformamide. Heat the solution in a water bath to 80℃ and stir until dissolved. Then, add 0.8g of aminosulfonic acid and heat in a water bath at 80℃ for 1 hour. After the reaction is complete, remove the solvent using a rotary evaporator at 120 rpm. Dissolve the modified sophorolipid obtained above in 200g of distilled water and adjust the pH to 7 to obtain mixture I. Add 0.9g of polyethylene glycol to a beaker, add 400g of distilled water, heat to 80-90℃ and stir until dissolved. Add 0.225g of vanillin, heat to 70℃ and continue the reaction for 30 minutes to obtain mixture II. Stir mixture I and mixture II magnetically at 150-250 rpm at 50℃ for 1 hour to obtain mixture III. After cooling mixture III to room temperature, adjust the pH of the solution to neutral. Add 0.7g of wetting agent to mixture III. The wetting agent is a mixture of sodium fatty alcohol polyoxyethylene ether sulfate and lauryl glucoside in a mass ratio of 2:3 to obtain the dust suppressant solution.

[0047] Example 5

[0048] Weigh 8g of sophorolipid and dissolve it in 90g of N,N-dimethylacetamide. Heat the solution in a water bath to 80℃ and stir until dissolved. Then, add 1.6g of aminosulfonic acid and heat in a water bath at 80℃ for 1 hour. After the reaction is complete, remove the solvent using a rotary evaporator at 120 rpm. Dissolve the modified sophorolipid obtained above in 200g of distilled water and adjust the pH to 7 to obtain mixture I. Add 0.7g of polyethylene glycol to a beaker, add 300g of distilled water, heat to 80-90℃ and stir until dissolved. Add 0.125g of vanillin, heat to 70℃ and continue the reaction for 30 minutes to obtain mixture II. Stir mixture I and mixture II magnetically at 150-250 rpm at 60℃ for 30 minutes and then stop the reaction to obtain mixture III. After cooling mixture III to room temperature, adjust the pH of the solution to neutral. Add 0.8g of wetting agent to mixture III. The wetting agent is a mixture of sodium fatty alcohol polyoxyethylene ether sulfate and lauryl glucoside in a mass ratio of 2:3 to obtain the dust suppressant solution.

[0049] Example 6

[0050] Weigh 8g of sophorolipid and dissolve it in 80g of N,N-dimethylformamide. Heat the solution in a water bath to 80℃ and stir until dissolved. Then, add 2.4g of aminosulfonic acid and heat in a water bath at 80℃ for 1 hour. After the reaction is complete, remove the solvent using a rotary evaporator at 120 rpm. Dissolve the modified sophorolipid obtained above in 200g of distilled water and adjust the pH to 7 to obtain mixture I. Add 0.5g of polyethylene glycol to a beaker, add 300g of distilled water, heat to 80-90℃ and stir until dissolved. Add 0.175g of vanillin, heat to 70℃ and continue the reaction for 30 minutes to obtain mixture II. Stir mixture I and mixture II magnetically at 150-250 rpm at 60℃ for 30 minutes, then stop the reaction to obtain mixture III. After cooling mixture III to room temperature, adjust the pH of the solution to neutral. Add 0.9g of wetting agent to mixture III. The wetting agent is a mixture of sodium fatty alcohol polyoxyethylene ether sulfate and lauryl glucoside in a mass ratio of 2:3 to obtain the dust suppressant solution.

[0051] Example 7

[0052] Weigh 12g of sophorolipid and dissolve it in 90g of N,N-dimethylformamide. Heat the solution in a water bath to 85℃ and stir until dissolved. Then, add 0.8g of aminosulfonic acid and heat in a water bath at 85℃ for 1 hour. After the reaction is complete, remove the solvent using a rotary evaporator at 120 rpm. Dissolve the modified sophorolipid obtained above in 200g of distilled water and adjust the pH to 7 to obtain mixture I. Add 0.5g of polyethylene glycol to a beaker, add 300g of distilled water, heat to 80-90℃ and stir until dissolved. Add 0.125g of vanillin and heat to 60℃ to continue the reaction for 1 hour to obtain mixture II. Stir mixture I and mixture II magnetically at 150-250 rpm at 60℃ for 30 minutes, then stop the reaction to obtain mixture III. After cooling mixture III to room temperature, adjust the pH of the solution to neutral. Add 1g of wetting agent to mixture III. The wetting agent is a mixture of sodium fatty alcohol polyoxyethylene ether sulfate and lauryl glucoside in a mass ratio of 1:4. The dust suppressant solution can then be prepared.

[0053] Example 8

[0054] Weigh 12g of sophorolipid and dissolve it in 90g of N,N-dimethylformamide. Heat the solution in a water bath to 85℃ and stir until dissolved. Then, add 0.8g of aminosulfonic acid and heat in a water bath at 85℃ for 1 hour. After the reaction is complete, remove the solvent using a rotary evaporator at 120 rpm. Dissolve the modified sophorolipid obtained above in 400g of distilled water and adjust the pH to 7 to obtain mixture I. Add 0.5g of polyethylene glycol to a beaker, add 300g of distilled water, heat to 80-90℃ and stir until dissolved. Add 0.225g of vanillin and heat to 60℃ to continue the reaction for 1 hour to obtain mixture II. Stir mixture I and mixture II magnetically at 150-250 rpm at 60℃ for 30 minutes and then stop the reaction to obtain mixture III. After cooling mixture III to room temperature, adjust the pH of the solution to neutral. Add 1.1g of wetting agent to mixture III. The wetting agent is a mixture of sodium fatty alcohol polyoxyethylene ether sulfate and lauryl glucoside in a mass ratio of 1:4 to obtain the dust suppressant solution.

[0055] Example 9

[0056] Weigh 12g of sophorolipid and dissolve it in 90g of ethyl acetate. Heat the mixture in a water bath to 85℃ and stir until dissolved. Then, add 2.4g of aminosulfonic acid and heat in a water bath at 80℃ for 60min. After the reaction is complete, remove the solvent using a rotary evaporator at 120rpm. Dissolve the modified sophorolipid obtained above in 800g of distilled water and adjust the pH to 7 to obtain mixture I. Add 0.9g of polyethylene glycol to a beaker, add 500g of distilled water, heat to 80-90℃ and stir until dissolved. Add 0.125g of vanillin and heat to 60℃ to continue the reaction for 1h to obtain mixture II. Stir mixture I and mixture II magnetically at 150-250r / min at 60℃ for 30min and then stop the reaction to obtain mixture III. After cooling mixture III to room temperature, adjust the pH of the solution to neutral. Add 1.1g of wetting agent to mixture III. The wetting agent is a mixture of sodium fatty alcohol polyoxyethylene ether sulfate and lauryl glucoside in a mass ratio of 1:4 to obtain the dust suppressant solution.

[0057] Comparative Example 1

[0058] Weigh 0.6g of sophorolipid and place it in a beaker. Add 100g of distilled water and stir to dissolve.

[0059] Comparative Example 2

[0060] Add 0.7g of polyethylene glycol and 100g of distilled water to a beaker, stir and heat until completely dissolved.

[0061] The effects of Examples 1-9 and Comparative Examples 1-3 were examined through experimental testing.

[0062] Comparative Example 3

[0063] The rest is the same as in Example 1, except that the wetting agent used is only sodium fatty alcohol polyoxyethylene ether sulfate.

[0064] Experiment 1

[0065] The water retention and curing effects of the dust suppressants prepared in Examples 1-9 and Comparative Examples 1-3 are tested below.

[0066] The testing method was as follows: Twelve glass test tubes were prepared, and equal amounts of sieved and dried coal powder were added to each tube. After vibration and compaction, the coal powder was kept at a uniform height within the glass tubes. Then, 5 mL of the dust suppressant solution prepared in each example and comparative example was added to the corresponding glass tube. Timing was set from the start of the dust suppressant dripping for 30 minutes, and the penetration distance was measured to calculate the permeability. The surface tension of different samples was measured using a surface tension meter, and the contact angle between different samples and the coal cake was measured using an optical contact angle meter.

[0067] Test results are as follows Figure 1 and 2As shown, the penetration rates of the nine embodiments were significantly better than those of the three comparative examples, indicating that the modified dust suppressant significantly improved the wettability of coal dust. Example 1 had the lowest surface tension (23.27 mN / m), and Example 3 had the smallest contact angle (25.65°). However, Comparative Example 2 exhibited the highest surface tension (56.73 mN / m) and the largest contact angle (47.78°). Furthermore, the surface tension (34.59 mN / m) and contact angle (38.4°) of Comparative Example 3 were both lower than those of the embodiments, which also verifies that the compounding effect is better than using a single surfactant. Therefore, the dust suppressant of the present invention possesses strong penetrability and can quickly wet dust.

[0068] Experiment 2

[0069] The dust suppressant prepared in Examples 1-9 and Comparative Examples 1-3 were tested for dust suppression performance.

[0070] The test method is as follows: Equal amounts of coal powder were placed in petri dishes, and the wind speed was set to 10 m / s. The concentrations of PM2.5 and PM10 at this time were detected and recorded using a handheld laser particle counter, and denoted as C1. Equal amounts of Examples 1-9 and Comparative Examples 1-3 were uniformly sprayed into the petri dishes, and the concentrations of PM2.5 and PM10 after spraying were detected and recorded, denoted as C2. The dust suppression rate was calculated based on the concentration difference before and after spraying, and the calculation formula is as follows:

[0071]

[0072] η represents dust suppression efficiency (%), and C1 represents the initial concentrations of PM2.5 and PM10 (μg / m³). 3 C2 represents the concentrations of PM2.5 and PM10 (μg / m³) after spraying the dust suppressant. 3 ).

[0073] Test results are as follows Figure 3 As shown, the dust suppression rate of the samples sprayed in the nine embodiments all reached over 90%, with the highest dust suppression rate in the embodiments being 98.29%. In contrast, the suppression rate of PM2.5 and PM10 in the environment in Comparative Example 1 was only 68.21%, indicating that the dust suppressant prepared by the present invention has excellent dust suppression performance.

[0074] Therefore, this invention can determine the actual dust suppression effect of the dust suppression material by designing different proportions and testing the permeability, wettability, and dust suppression properties of the prepared dust suppression material.

[0075] In summary, the dust suppressant produced by this invention can effectively solve the technical problems of poor permeability and general dust suppression effect of dust suppressant in coal mine dust control, and has good social benefits and considerable economic benefits.

[0076] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A method for preparing a highly penetrating polymeric dust suppressant, characterized in that, Prepare according to the following steps: (1) Sulfonation reaction: Sophorolipid is dissolved in an organic solvent, heated to 75-85℃, stirred and dissolved, then aminosulfonic acid is added, and the reaction is maintained at 75-85℃ until the end. The solvent is removed, and the obtained modified sophorolipid is dissolved in water and the pH is adjusted to 7 to obtain mixture I. (2) Crosslinking copolymerization: Add polyethylene glycol to a container, add water and heat and stir until dissolved, add vanillin, and crosslink at 50-70℃ until the reaction is complete to obtain mixture II. Mix mixture I and mixture II together to copolymerize and obtain mixture III. (3) After cooling the mixture III to room temperature, adjust the pH of the solution to neutral, and add a wetting agent to the mixture III to obtain the dust suppressant solution. The wetting agent is sodium fatty alcohol polyoxyethylene ether sulfate and lauryl glucoside in a mass ratio of (0.5-2):(2-3). According to the weight parts, the amount of sophorolipid is 4-12 parts, aminosulfonic acid is 0.8-2.8 parts, polyethylene glycol is 0.5-0.9 parts, vanillin is 0.125-0.225 parts, and wetting agent is 0.7-1.1 parts.

2. The method for preparing the highly penetrating polymeric dust suppressant according to claim 1, characterized in that: The organic solvent is one of N,N-dimethylformamide, N,N-dimethylacetamide, and ethyl acetate.

3. The method for preparing the highly penetrating polymeric dust suppressant according to claim 2, characterized in that: In step (1), the reaction time after adding aminosulfonic acid is 1-2 hours.

4. The method for preparing the highly penetrating polymeric dust suppressant according to claim 3, characterized in that: In step (2), polyethylene glycol is added, water is added and heated and stirred at 80-90℃ until dissolved, vanillin is added and reacted for 0.5h-1h to obtain mixture II.

5. The method for preparing the highly permeable polymeric dust suppressant according to claim 4, characterized in that: In step (2), mixture I and mixture II are mixed and reacted at 50-60℃ for 0.5h-1h to obtain mixture III.

6. The method for preparing the highly penetrating polymeric dust suppressant according to claim 5, characterized in that: The water is distilled water.

7. A highly permeable polymeric material dust suppressant prepared by a method according to any one of claims 1-6.

8. The application of the highly penetrating polymeric material dust suppressant as described in claim 7 in coal mine dust reduction.

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