CN105199672A - Method for inhibiting dust or flying dust - Google Patents
Method for inhibiting dust or flying dust Download PDFInfo
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- CN105199672A CN105199672A CN201410262687.6A CN201410262687A CN105199672A CN 105199672 A CN105199672 A CN 105199672A CN 201410262687 A CN201410262687 A CN 201410262687A CN 105199672 A CN105199672 A CN 105199672A
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- dust
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- airborne dust
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Abstract
The invention discloses a method for inhibiting dust or flying dust. According to the method, vinyl acetate-ethylene-vinyl versatate and vinyl acetate-vinyl versatate-maleate and vinyl acetate-acrylate or vinyl acetate-ethylene-acrylate is adopted for inhibiting the dust or the flying dust. By means of the method, the dust or the flying dust generated in construction engineering, a construction site, a mine site or an ash and slag dump or in the powder transportation process is inhibited, dust hazards of the field operation are reduced, influence of the dust or the flying dust on air quality and the ecological environment is reduced, and the ecological environment and the human living environment are improved.
Description
Technical field
The present invention relates to a kind of method of Environment control, be specifically related to a kind of method suppressing dust or airborne dust.
Background technology
Along with urban construction, various basic industry build flourish, a large amount of dust that construction work, building site, building site, mine, grey cinder yard and band powder material transport point produce and airborne dust, have a strong impact on operating environment and Air quality, threatened that operating personnel and neighbouring resident's is healthy.Main employing is sprayed water and some simple formulations dust suppressions at present, and the hold-time is short, and anti-dust effect is poor.
At present, vinyl acetate polymer and derivative product thereof are mainly used as the traditional field such as sizing agent, coating, paper, chewing gum base and fabric finishing agent.
Summary of the invention
The object of the invention be to provide a kind of efficiently, suppress the method for dust or airborne dust easily; Below all with parts by weight.
The object of the invention is achieved through the following technical solutions:
Suppress a method for dust or airborne dust, it is characterized in that: adopt vinyl acetate between to for plastic polymeric derivative to suppress dust or airborne dust.
Those skilled in the art know and clear and definite, vinyl acetate polymer refers to the polymkeric substance be polymerized containing Vinyl Acetate Monomer, can be obtained by solution polymerization, letex polymerization, suspension polymerization or mass polymerization, if desired can the auxiliary agent such as additional plasticizer, solvent, be divided into homopolymer and multipolymer; The vinyl acetate between to for plastic polymeric derivative that the present invention relates to refers to and also comprises the alcoholysate of this multipolymer by the multipolymer of Vinyl Acetate Monomer and other one or more monomers, also comprises the spray-dried latex powder made of copolymer emulsion.With the vinyl acetate copolymerized monomer preparing multipolymer include but not limited to following one or more: ethene, tertiary ethylene carbonate, acrylate, maleate, fumarate, itaconic ester, caprate, 2 ethyl hexanoic acid vinyl acetate, stearic acid vinyl ester, vinyl pivalate etc.
Preferably, above-mentioned vinyl acetate between to for plastic polymeric derivative is vinylacetate-ethylene-tertiary ethylene carbonate, vinyl acetate-tertiary ethylene carbonate-maleate, the above multipolymer of vinyl acetate-acrylate binary, or the above multipolymer of ternary etc. of vinylacetate-ethylene-acrylate.
More preferably, the above multipolymer of above-mentioned vinyl acetate-acrylate binary is the multipolymer of the one or more monomers in Vinyl Acetate Monomer and n-butyl acrylate, isobutyl acrylate, isopropyl acrylate, tert-butyl acrylate, cyclohexyl acrylate, allyl acrylate, benzyl acrylate, Octyl acrylate, Isooctyl acrylate monomer, Hydroxyethyl acrylate or Propylene glycol monoacrylate.The above multipolymer of above-mentioned vinylacetate-ethylene-acrylic ester ternary is the multipolymer of the one or more monomers in Vinyl Acetate Monomer, vinyl monomer and n-butyl acrylate, isobutyl acrylate, isopropyl acrylate, tert-butyl acrylate, cyclohexyl acrylate, allyl acrylate, benzyl acrylate, Octyl acrylate, Isooctyl acrylate monomer, Hydroxyethyl acrylate or Propylene glycol monoacrylate.
Further preferably, spray after above-mentioned for 2-15 part vinyl acetate between to for plastic polymeric derivative being mixed with 85-98 part water and suppress dust, airborne dust.Spray after specifically 2-15 part vinylacetate-ethylene-tertiary ethylene carbonate being mixed with 85-98 part water and suppress dust, airborne dust, spray after 2-15 part vinyl acetate-tertiary ethylene carbonate-maleate is mixed with 85-98 part water and suppress dust, airborne dust, spray after the above multipolymer of above-mentioned for 2-15 part vinyl acetate-acrylate binary is mixed with 85-98 part water and suppress dust, airborne dust, spray after the above multipolymer of above-mentioned for 2-15 part vinylacetate-ethylene-acrylic ester ternary is mixed with 85-98 part water and suppress dust, airborne dust.
Specifically, suppression dust of the present invention or airborne dust are the dust or the airborne dust that suppress building site, various mine (as colliery, metallurgical ore deposit, limestone mine, calcium carbide ore deposit, asbestos deposit, stone quarry, rubble field etc.), effectively reduce or eliminate airborne dust.
Suppression dust of the present invention or airborne dust suppress building, the dust of building site or airborne dust, avoids or the generation of restraining airborne dust and the harm brought thereof.
Suppression dust of the present invention or airborne dust suppress to produce dust, the dust of factory (as steelworks, fuel-burning power plant, cement mill, glasswork, dry-mixed mortar factory etc.) of dust heap or slag field or airborne dust, effectively reduces or eliminates airborne dust.
Suppression dust of the present invention or airborne dust are the dust or the airborne dust that suppress the contained material surface of vehicle, railway carriage or steamer, both alleviated environmental pollution, have additionally reduced material loss in transit.
The preparation of vinylacetate-ethylene-tertiary ethylene carbonate copolymer emulsion:
Polyvinyl alcohol 1 part and 50 parts of deionized waters are added in reactor, after polyvinyl alcohol dissolves completely, heat up after adding alcohol ether phosphate monoester 0.21 part, polyoxyethylene nonylphenol ether 0.15 part, sodium vinyl sulfonate 0.04 part, stirring and evenly mixing, add ethene and boost to 1.0MPa; 1 part of ammonium persulphate (3wt%) solution is at the uniform velocity pumped in 2min when temperature is raised to 77oC; Then pump into 10 parts of vinyl acetates, 2 parts of tertiary ethylene carbonates, wait question response 10min, when ethylene pressure rises to 1.3MPa, within 2 hours, at the uniform velocity pump into 1 part of ammonium persulphate (3%) solution, 30 parts of vinyl acetates and 6 parts of tertiary ethylene carbonates; Cut off ethene, keep temperature 30min, after pressure drop, after deaeration, filtration, cooling, product is for subsequent use.
The preparation of vinyl acetate-tertiary ethylene carbonate-maleate copolymer emulsion:
Polyvinyl alcohol 5 parts and 50 parts of deionized waters are added in reactor, after polyvinyl alcohol dissolves completely, heat up after adding alcohol ether phosphate monoester 0.25 part, polyoxyethylene nonylphenol ether 0.3 part, stirring and evenly mixing, pump into 10 parts of vinyl acetates, 2 parts of tertiary ethylene carbonates and 1 part of maleate when temperature is raised to 77oC, then in 20min, at the uniform velocity pump into 1 part of ammonium persulphate (3wt%) solution; Reaction about 30min heats up, and question response temperature reaches about 75 ~ 80 DEG C, within 2 hours, at the uniform velocity pumps into 1 part of ammonium persulphate (3%) solution, 30 parts of vinyl acetates, 6 parts of tertiary ethylene carbonates and 2 parts of maleates; Keep temperature 30min, after cooling, filtration, product is for subsequent use.
For a person skilled in the art, on above-mentioned preparation method basis, the auxiliary agents such as appropriate change emulsification system, initiator system, additional plasticizer or solvent also can obtain the suitable vinyl acetate polymer of performance or derivative product.
Enforcement of the present invention, is mainly reflected in the great progress of generation and significant effect ecological, environmental protective:
(1) the inventive method is adopted to suppress dust, the airborne dust produced in construction work, building site, building site, mine, grey cinder yard and powder transport, decrease the dust hazard of site work, reduce the impact on Air quality and ecotope of dust airborne dust, improve ecotope and human residential environment.
(2) the present invention's vinyl acetate between to for plastic polymeric derivative used, belongs to safety and environmental protection, nontoxic water-latex type or water-soluble products in high molecular synthetic material, to plant, animal, microorganism all without harm, does not produce any secondary pollution.The present invention's polymer derivant used, owing to being water-latex type or water-soluble products, being convenient to dilute with water and spraying construction very much, both can the manual spraying operation of small area, and also big area mechanize can spray construction, flexibly and easily, simple and effective, very easily implements.
Embodiment
Below by embodiment, the present invention is specifically described, what be necessary to herein means out is that following examples are only used to further illustrate the present invention, limiting the scope of the invention can not be interpreted as, without departing from the spirit and substance of the case in the present invention, the amendment do the inventive method, step or condition or replacement, all belong to scope of the present invention; Below all with parts by weight.
the wind tunnel experiment of the embodiment 1 dust grains of sand
Get the municipal construction road dust grains of sand on both sides of the road as sample, the plastic disc filling being of a size of Φ 20cm × 4cm with 5, with glass stick along on plate along floating.By 10 parts of vinyl acetates--n-butyl acrylate copolymer emulsion and 90 parts of water mix, according to 1kg/m
2consumption be sprayed at the dust grains of sand on the surface, put into wind-tunnel after drying.Getting deflation angle is respectively 0 °, 15 °, 30 °, deflation 10 minutes under wind speed is 15-16m/s condition.Test sample wind erosion weight is 0-3wt%, and all samples bonding course surface serviceability rate reaches 95.8%.
the deflation of embodiment 2 with particulate dust is tested
Being 32cm × 22cm × 4cm at laboratory size, Stainless Steel Disc loads sand, sandy soil, dust, coal ash, each 3 dishes of concrete grey respectively, each plate along on plate along floating.Get 8 parts of vinyl acetate-acrylic tert-butyl ester copolymer emulsions and 92 parts of water mix, according to 1kg/m
2consumption be sprayed at surface formed bonding course.Getting deflation angle is respectively 0 °, 15 °, 30 °, and with the stronger fan deflation of wind-force 48 hours, test wind erosion weight was 0, and Sample consolidation layer surface serviceability rate is 100%.
embodiment 3 is with the consolidation test of particulate dust under natural wind condition
Load sand, sandy soil, dust, each 3 dishes of coal ash, concrete grey respectively with the Stainless Steel Disc being of a size of 32cm × 22cm × 4cm, each plate along on plate along floating.Get 8 parts of vinyl acetate-acrylic allyl ester copolymer emulsions and 92 parts of water mix, according to 1kg/m
2consumption be sprayed at surface formed bonding course.Be placed on hillside, after 3 months, under natural wind condition, the bonding course surface serviceability rate of sample is 100%.
Adopt vinylacetate-ethylene-tertiary ethylene carbonate, vinyl acetate-tertiary ethylene carbonate-maleate, (the above multipolymer of described vinylacetate-ethylene-acrylic ester ternary is Vinyl Acetate Monomer to the above multipolymer of vinylacetate-ethylene-acrylic ester ternary, vinyl monomer and n-butyl acrylate, isobutyl acrylate, isopropyl acrylate, tert-butyl acrylate, cyclohexyl acrylate, allyl acrylate, benzyl acrylate, Octyl acrylate, Isooctyl acrylate monomer, the multipolymer of the one or more monomers in Hydroxyethyl acrylate or Propylene glycol monoacrylate), and the above multipolymer of vinyl acetate-acrylate binary (described vinylacetate-ethylene-above multipolymer of acrylate binary is Vinyl Acetate Monomer and n-butyl acrylate, isobutyl acrylate, isopropyl acrylate, cyclohexyl acrylate, allyl acrylate, benzyl acrylate, Octyl acrylate, Isooctyl acrylate monomer, the multipolymer of the one or more monomers in Hydroxyethyl acrylate or Propylene glycol monoacrylate) make above-described embodiment 1 respectively, 2, 3 identical verification experimental verifications, can reach above-mentioned same effect.
From embodiment 1,2,3 result, the present invention's vinylacetate-ethylene-tertiary ethylene carbonate used, vinyl acetate-tertiary ethylene carbonate-maleate, the above multipolymer of vinyl acetate-acrylate binary or the above multipolymer of vinylacetate-ethylene-acrylic ester ternary, itself and dust, airborne dust etc. have good cementability, concreteness, film-forming properties, perviousness, make dust, sandy soil are linked together, formed continuously and have the bonding course of some strength.Visible, the present invention suppresses dust, the method for airborne dust has unusual effect.
embodiment 4
Get after 5 parts of vinylacetate-ethylene-tertiary ethylene carbonate emulsion mixes with 95 parts of tap water, machinery or artificial spray on the surface, place needing consolidation, fountain height 1kg/m
2, natural air drying.
embodiment 5
Get after 15 parts of vinyl acetate-tertiary ethylene carbonate-maleate powder mix with 85 parts of tap water, machinery or artificial spray on the surface, place needing consolidation, fountain height 0.6kg/m
2, natural air drying.
embodiment 6
Get after 10 parts of vinyl acetate-acrylic benzene methyls mix with 90 parts of tap water, machinery or artificial spray on coal ash surface, fountain height 0.6kg/m
2, natural air drying.
embodiment 7
Get after 2 parts of vinylacetate-ethylene-Octyl acrylate powder mixes with 98 parts of tap water, machinery or artificial spray on dump surface, fountain height 1.0kg/m
2, natural air drying.
embodiment 8
Get after 5 parts of 2 ethyl hexanoic acid vinyl acetate-vinyl acetate emulsions mix with 95 parts of tap water, artificial spray on the surface, place needing consolidation, fountain height 1.0kg/m
2, natural air drying.
embodiment 9
Get after 7 parts of vinyl acetates-itaconic ester emulsion mixes with 93 parts of tap water, artificial spray on dump surface, fountain height 1.5kg/m
2, natural air drying.
Claims (13)
1. suppress a method for dust or airborne dust, it is characterized in that: adopt vinyl acetate between to for plastic polymeric derivative to suppress dust or airborne dust.
2. suppress the method for dust or airborne dust as claimed in claim 1, it is characterized in that: described vinyl acetate between to for plastic polymeric derivative is vinylacetate-ethylene-tertiary ethylene carbonate, vinyl acetate-tertiary ethylene carbonate-maleate, the above multipolymer of vinyl acetate-acrylate binary, or the above multipolymer of vinylacetate-ethylene-acrylic ester ternary.
3. suppress the method for dust or airborne dust as claimed in claim 2, it is characterized in that: the above multipolymer of described vinyl acetate-acrylate binary is the multipolymer of the one or more monomers in Vinyl Acetate Monomer and n-butyl acrylate, isobutyl acrylate, isopropyl acrylate, tert-butyl acrylate, cyclohexyl acrylate, allyl acrylate, benzyl acrylate, Octyl acrylate, Isooctyl acrylate monomer, Hydroxyethyl acrylate or Propylene glycol monoacrylate; The above multipolymer of described vinylacetate-ethylene-acrylic ester ternary is the multipolymer of the one or more monomers in Vinyl Acetate Monomer, vinyl monomer and n-butyl acrylate, isobutyl acrylate, isopropyl acrylate, tert-butyl acrylate, cyclohexyl acrylate, allyl acrylate, benzyl acrylate, Octyl acrylate, Isooctyl acrylate monomer, Hydroxyethyl acrylate or Propylene glycol monoacrylate.
4. as described in claim 1,2 or 3, suppress the method for dust or airborne dust, it is characterized in that: be spray after above-mentioned for 2-15 part vinyl acetate between to for plastic polymeric derivative is mixed with 85-98 part water to suppress dust, airborne dust, with parts by weight.
5. suppress the method for dust or airborne dust as claimed in claim 4, it is characterized in that: be spray after 2-15 part vinylacetate-ethylene-tertiary ethylene carbonate is mixed with 85-98 part water to suppress dust, airborne dust, spray after 2-15 part vinyl acetate-tertiary ethylene carbonate-maleate is mixed with 85-98 part water and suppress dust, airborne dust, spray after the above multipolymer of 2-15 part vinyl acetate-acrylate binary is mixed with 85-98 part water and suppress dust, airborne dust, spray after the above multipolymer of 2-15 part vinylacetate-ethylene-acrylic ester ternary is mixed with 85-98 part water and suppress dust, airborne dust, with parts by weight.
6. as described in claim 1,2 or 3, suppress the method for dust or airborne dust, it is characterized in that: described suppression dust or airborne dust are the dust or the airborne dust that suppress building site, mine.
7. suppress the method for dust or airborne dust as claimed in claim 5, it is characterized in that: described suppression dust or airborne dust are the dust or the airborne dust that suppress building site, mine.
8. as described in claim 1,2 or 3, suppress the method for dust or airborne dust, it is characterized in that: described suppression dust or airborne dust suppress building, the dust of building site or airborne dust.
9. suppress the method for dust or airborne dust as claimed in claim 5, it is characterized in that: described suppression dust or airborne dust suppress building, the dust of building site or airborne dust.
10. as described in claim 1,2 or 3, suppress the method for dust or airborne dust, it is characterized in that: described suppression dust or airborne dust suppress to produce dust, the dust of factory of dust heap or slag field or airborne dust.
11. methods suppressing dust or airborne dust as claimed in claim 5, is characterized in that: described suppression dust or airborne dust suppress to produce dust, the dust of factory of dust heap or slag field or airborne dust.
12. methods suppressing dust or airborne dust as described in claim 1,2 or 3, is characterized in that: described suppression dust or airborne dust are the dust or the airborne dust that suppress the contained material surface of vehicle, railway carriage or steamer.
13. methods suppressing dust or airborne dust as claimed in claim 5, is characterized in that: described suppression dust or airborne dust are the dust or the airborne dust that suppress the contained material surface of vehicle, railway carriage or steamer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410262687.6A CN105199672A (en) | 2014-06-13 | 2014-06-13 | Method for inhibiting dust or flying dust |
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| CN201410262687.6A CN105199672A (en) | 2014-06-13 | 2014-06-13 | Method for inhibiting dust or flying dust |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106634846A (en) * | 2016-12-17 | 2017-05-10 | 北京首创北科环境科技研究院有限公司 | Pigmented sodium humate incrusting dust suppressant and preparation method thereof |
| CN110305628A (en) * | 2019-06-03 | 2019-10-08 | 中交二航武汉港湾新材料有限公司 | Fugitive dust inhibiting agent and preparation method thereof |
| CN111704892A (en) * | 2020-06-18 | 2020-09-25 | 南京大学 | Composite polymer dust inhibitor and preparation method and application thereof |
| CN117735923A (en) * | 2023-12-19 | 2024-03-22 | 科顺民用建材有限公司 | Method for preparing dust-free joint mixture |
| CN117735923B (en) * | 2023-12-19 | 2024-07-16 | 科顺民用建材有限公司 | Method for preparing dust-free joint mixture |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106634846A (en) * | 2016-12-17 | 2017-05-10 | 北京首创北科环境科技研究院有限公司 | Pigmented sodium humate incrusting dust suppressant and preparation method thereof |
| CN110305628A (en) * | 2019-06-03 | 2019-10-08 | 中交二航武汉港湾新材料有限公司 | Fugitive dust inhibiting agent and preparation method thereof |
| CN110305628B (en) * | 2019-06-03 | 2022-03-22 | 中交二航武汉港湾新材料有限公司 | Dust inhibitor and preparation method thereof |
| CN111704892A (en) * | 2020-06-18 | 2020-09-25 | 南京大学 | Composite polymer dust inhibitor and preparation method and application thereof |
| CN111704892B (en) * | 2020-06-18 | 2021-09-10 | 南京大学 | Composite polymer dust inhibitor and preparation method and application thereof |
| CN117735923A (en) * | 2023-12-19 | 2024-03-22 | 科顺民用建材有限公司 | Method for preparing dust-free joint mixture |
| CN117735923B (en) * | 2023-12-19 | 2024-07-16 | 科顺民用建材有限公司 | Method for preparing dust-free joint mixture |
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Application publication date: 20151230 |