CN110003856A - A kind of environmental protection dust suppressant and preparation method thereof - Google Patents
A kind of environmental protection dust suppressant and preparation method thereof Download PDFInfo
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- CN110003856A CN110003856A CN201910169760.8A CN201910169760A CN110003856A CN 110003856 A CN110003856 A CN 110003856A CN 201910169760 A CN201910169760 A CN 201910169760A CN 110003856 A CN110003856 A CN 110003856A
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- dust suppressant
- starch
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- environmentally friendly
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F251/00—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
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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
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/22—Materials not provided for elsewhere for dust-laying or dust-absorbing
Abstract
The present invention provides a kind of dust suppressants of starch-based high molecular polymer, component simple effects are good, the dust suppressant has good biodegradability, secondary pollution will not be caused to environment, and efficient microwave radiation is first passed through in the present invention, starch is modified, make to act on constituent monomers and surfactant scion grafting later in starch surface, keep the film forming of dust suppressant stronger, with stronger more longlasting function and effect, preparation method is simply easily controllable, raw material sources are easy to get, and production cost is low, production with higher and application value.
Description
Technical field
The present invention relates to environmentally friendly pharmaceutical techniques fields, and in particular to a kind of environmental protection dust suppressant and preparation method thereof.
Background technique
Dust is the fine particle that pit mining, storage, handling, transport and stockpiling generate in the process, can be for a long time
It is suspended in atmosphere, ambient atmosphere visibility is caused to reduce pollution environment, operator is caused to suffer from pneumoconiosis disease etc., it is serious to go back
It will lead to mine safety production accident.Dust-settling technology in the prior art, wet spray depositing dust are the technologies generally used, still
Due to the hydrophobic property of dust particles, the effects of atomized water spray depositing dust can only be by colliding, intercepting, settles large dust particle temporarily,
It can also be suspended again after water evaporation by external force, be unable to reach the purpose of effective dust suppression.
In the prior art in order to overcome defect existing for above-mentioned dust suppression measure, by improving the wetting property of dust, reducing
The surface tension of spray water promotes dust especially microfine dust wetting to reunite, and improves dust-laying effect, still, the prior art
In dust suppressant function and effect it is poor, be only to make precipitate suspended particles using surfactant, and be unable to reach film forming and inhibit outstanding dirt
The effect of generation, and since the main component of dust suppressant is mostly inorganic chemical reagent, ecological environment can be caused after sprinkling
Certain influence causes secondary pollution to environment.
Therefore how to provide that a kind of function and effect are good and the environmentally friendly dust suppressant of no pollution to the environment, be those skilled in the art urgently
Problem to be solved.
Summary of the invention
In view of this, the present invention provides a kind of environmentally friendly dust suppressants and preparation method thereof, using the starch after microwave modification
With monomer and high molecular polymer scion grafting, it is made that component is simple and the good degradable dust suppressant of effect.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of environmental protection dust suppressant, the raw material composition including following parts by weight: 40-50 parts of modified starch, binder 5-8
Part, 8-10 parts of moisturizer, 8-10 parts of bleeding agent.
Preferably, the modified starch is the starch through being modified using microwave radiation, and microwave radiation has heated equal
It is even and the advantages that be easy to control, the property uniformity of modified starch is not only improved, but also easy to operate, production efficiency
It is high.
Preferably, the binder is acrylamide, and the moisturizer is acrylic acid, and the bleeding agent is detergent alkylate
Sulfonic acid.
The present invention also provides a kind of preparation methods of environmentally friendly dust suppressant, comprising the following steps:
(1) starch dispersion is prepared into starch milk in deionized water, sealing and standing 20-24h, be placed on microwave radiation
Under the conditions of handle, taken out after the completion of processing and be placed in drying box and dry, crush to obtain modified starch；
(2) binder, moisturizer, bleeding agent and modified starch made from the step (1) are mixed and stirred for uniformly, adding
Enter deionized water and be prepared into uniform lotion, obtains mixed raw material lotion；
(3) ultraviolet light irradiation reaction 10-12h is carried out to mixed raw material lotion made from the step (2), after reaction
Environmentally friendly dust suppressant i.e..
Preferably, the starch milk mass fraction in the step (1) is 30%, and low concentration starch milk influences production efficiency,
High-concentration starch milk is difficult to disperse when being modified, and easily causes modified starch property uneven, influences the performance of product.
Preferably, the microwave radiation processing power in the step (1) is 15-20kw, radiated time 60-90s.
Preferably, the drying temperature in the step (1) is 50-60 DEG C.
Via above-mentioned technical proposal, compared with prior art, the present invention provides a kind of starch-based high molecular polymer
Dust suppressant, component simple effects are good, which has good biodegradability, will not cause secondary pollution to environment,
And first pass through efficient microwave radiation in the present invention and starch is modified, make to act on constituent monomers and surface-active later
Agent scion grafting keeps the film forming of dust suppressant stronger in starch surface, has stronger more longlasting function and effect, and preparation method is simple
Easily controllable, raw material sources are easy to get, and production cost is low, production with higher and application value.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment 1
A kind of preparation method of environmentally friendly dust suppressant provided by the invention, comprising the following steps:
(1) starch dispersion is prepared into the starch milk of mass fraction 30% in deionized water, sealing and standing 20-24h, it
It is placed under the conditions of microwave radiation, 15-20kw radiation is 60-90s, takes out after the completion of processing and is placed in 50-60 DEG C of baking in drying box
It is dry, crush to obtain modified starch；
(2) binder, moisturizer, bleeding agent and modified starch made from the step (1) are mixed and stirred for uniformly, adding
Enter deionized water and be prepared into uniform lotion, obtains mixed raw material lotion；
(3) ultraviolet light irradiation reaction 10-12h is carried out to mixed raw material lotion made from the step (2), after reaction
Environmentally friendly dust suppressant i.e..
Wherein, modified starch 40-50 parts, 5-8 parts of binder, 8-10 parts of moisturizer, 8-10 parts of bleeding agent, binder third
Acrylamide, the moisturizer are acrylic acid, and the bleeding agent is dodecyl benzene sulfonic acid.
Technical solution of the present invention will be illustrated using specific data of implementing below:
Embodiment 2
Using the raw material components of following mass fraction, 40 parts of modified starch, 5 parts of acrylamide, 8 parts of acrylic acid, dodecane
8 parts of base benzene sulfonic acid, environmentally friendly dust suppressant is prepared using the method for embodiment 1.
Embodiment 2
Using the raw material components of following mass fraction, 42 parts of modified starch, 5 parts of acrylamide, 8 parts of acrylic acid, dodecane
8 parts of base benzene sulfonic acid, environmentally friendly dust suppressant is prepared using the method for embodiment 1.
Embodiment 3
Using the raw material components of following mass fraction, 44 parts of modified starch, 6 parts of acrylamide, 8.5 parts of acrylic acid, 12
8.5 parts of alkyl benzene sulphonate, environmentally friendly dust suppressant is prepared using the method for embodiment 1.
Embodiment 4
Using the raw material components of following mass fraction, 46 parts of modified starch, 6.5 parts of acrylamide, 8.5 parts of acrylic acid, ten
8.5 parts of dialkyl benzene sulfonic acids, environmentally friendly dust suppressant is prepared using the method for embodiment 1.
Embodiment 5
Using the raw material components of following mass fraction, 48 parts of modified starch, 7 parts of acrylamide, 9 parts of acrylic acid, dodecane
9 parts of base benzene sulfonic acid, environmentally friendly dust suppressant is prepared using the method for embodiment 1.
Embodiment 6
Using the raw material components of following mass fraction, 50 parts of modified starch, 8 parts of acrylamide, 10 parts of acrylic acid, dodecane
10 parts of base benzene sulfonic acid, environmentally friendly dust suppressant is prepared using the method for embodiment 1.
Dust suppressant made from embodiment 2-6 is tested for the property, specific test result is as follows:
1) viscosity test
The viscosity of dust suppressant affects the property of dust suppressant to a certain extent, and viscosity is bigger, and dust suppression film-formation result is better, glues
Test result is as follows for degree:
| Group | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| Viscosity | 0.154Pa·s | 0.162Pa·s | 0.163Pa·s | 0.159Pa·s | 0.164Pa·s |
By above-mentioned test result it is found that the viscosity of dust suppressant produced by the present invention is far longer than the viscosity (0.001Pa of water
S), stick effect of settling with good.
2) test of surface tension
In dust suppression effect, surface tension is bigger, and anti-dust effect is poorer, surveys to the surface tension of 2-6 of the embodiment of the present invention
Test result is as follows:
| Group | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| Surface tension | 52.4mN/m | 51.8mN/m | 50.5mN/m | 51.3mN/m | 48.9mN/m |
By above-mentioned test result it is found that the surface tension of dust suppressant produced by the present invention is respectively less than the surface tension of water
(72.8mN/m) sticks effect of settling with good.
3) testing permeability
Seepage velocity appropriate can make dust suppressant have good long-term anti-dust effect, to 2-6's of the embodiment of the present invention
Dust suppressant testing permeability result is as follows:
| Group | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| Surface tension | 0.25mm/s | 0.28mm/s | 0.31mm/s | 0.29mm/s | 0.35mm/s |
Above-mentioned test result shows that bleeding agent of the invention has good penetrating power, can quick dust suppression, and permeate
Power can keep prolonged anti-dust effect always.
4) moisture content of dust suppressant is higher, and hydroscopicity is bigger, and Water-saving effect is better, and rate-of-loss of coolant is low, that is, has more preferably more
Lasting anti-dust effect, test result is as follows:
| Group | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| Hydroscopicity | 5.05% | 5.18% | 5.44% | 5.34% | 5.74% |
| Moisture content | 15.71% | 16.23% | 16.45% | 16.32% | 17.22% |
Above-mentioned test result shows that dust suppressant produced by the present invention has good hydroscopicity and higher moisture content, tool
There is more preferable and more longlasting anti-dust effect.
4) strength test of dust suppressant film forming
It is being carried out object surface formation cured layer after dust suppressant film forming, the intensity of cured layer is higher, shows that resisting external force breaks
Bad effect is better, tests dust suppressant made from 2-6 of the embodiment of the present invention, as a result as follows:
| Group | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| Film strength | 2.51MPa | 2.63MPa | 2.75MPa | 2.67MPa | 2.93MPa |
Above-mentioned test result shows that dust suppressant of the invention is with higher strong in the cured layer for being carried out the formation of object surface
Degree, and then make dust suppressant more resistant against the destruction of external forces, with the broader scope of application and better persistently suppression
Dirt effect.
5) wind resistance and weather resistance can be tested
Dust suppressant is sprayed at sandy soil surface, is washed away on cured layer repeatedly after its solidification with water, dust suppressant surface without
Bubble, flawless, without destroy and loose situations such as being scattered, after natural drying, cured layer is undissolved, illustrates dust suppressant after hardening
There will not be good holding effect because rainwater migrates；
The air blower for being 8-9m/s with wind speed is blown solidification layer surface, and cured layer shell is kept well without destruction,
Non-dusting phenomenon shows that dust suppressant of the invention has good Resistance to wind Erosion.
In conclusion dust suppressant produced by the present invention not only degradable no pollution to the environment, but also its dust suppression function and effect
It gets well and to continue the service life long, and preparation process is easy, raw material sources are easy to get, low in cost, production with higher and application value.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (7)
1. a kind of environmental protection dust suppressant, which is characterized in that the raw material composition including following parts by weight: 40-50 parts of modified starch, glue
Agent 5-8 parts, 8-10 parts of moisturizer, 8-10 parts of bleeding agent of knot.
2. a kind of environmentally friendly dust suppressant according to claim 1, which is characterized in that the modified starch is through using microwave spoke
Penetrate the starch being modified.
3. a kind of environmentally friendly dust suppressant according to claim 1, which is characterized in that the binder is acrylamide, described
Moisturizer is acrylic acid, and the bleeding agent is dodecyl benzene sulfonic acid.
4. a kind of preparation method of environmental protection dust suppressant, which comprises the following steps:
(1) starch dispersion is prepared into starch milk in deionized water, sealing and standing 20-24h, be placed on microwave radiation condition
Lower processing is taken out to be placed in drying box and be dried, crushes to obtain modified starch after the completion of processing；
(2) binder, heat preserving agent, bleeding agent and modified starch made from the step (1) are mixed and stirred for uniformly, addition is gone
Ionized water is prepared into uniform lotion, obtains mixed raw material lotion；
(3) ultraviolet light irradiation reaction 10-12h is carried out to mixed raw material lotion made from the step (2), after reaction i.e.
Environmentally friendly dust suppressant.
5. a kind of preparation method of environmentally friendly dust suppressant according to claim 4, which is characterized in that in the step (1)
Starch milk mass fraction is 30%.
6. a kind of preparation method of environmentally friendly dust suppressant according to claim 4, which is characterized in that in the step (1)
Microwave radiation processing power is 15-20kw, radiated time 60-90s.
7. a kind of preparation method of environmentally friendly dust suppressant according to claim 4, which is characterized in that in the step (1)
Drying temperature is 50-60 DEG C.
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| CN201910169760.8A CN110003856B (en) | 2019-03-06 | 2019-03-06 | Environment-friendly dust suppressant and preparation method thereof |
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| CN201910169760.8A CN110003856B (en) | 2019-03-06 | 2019-03-06 | Environment-friendly dust suppressant and preparation method thereof |
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| CN110003856B CN110003856B (en) | 2022-04-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110396394A (en) * | 2019-08-27 | 2019-11-01 | 南通乐尔环保科技有限公司 | A kind of environment-friendly composite dust suppressant and preparation method thereof |
| CN111100600A (en) * | 2019-12-25 | 2020-05-05 | 鞍钢集团矿业有限公司 | Bonding type dust suppressant for road dust emission and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110396394A (en) * | 2019-08-27 | 2019-11-01 | 南通乐尔环保科技有限公司 | A kind of environment-friendly composite dust suppressant and preparation method thereof |
| CN111100600A (en) * | 2019-12-25 | 2020-05-05 | 鞍钢集团矿业有限公司 | Bonding type dust suppressant for road dust emission and preparation method thereof |
| CN111100600B (en) * | 2019-12-25 | 2022-10-25 | 鞍钢集团矿业有限公司 | Bonding type dust suppressant for road dust emission and preparation method thereof |
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Address after: 272000 Li Guo Co., Ltd., New Materials Industrial Park, Yunhe Economic Development Zone, Rencheng District, Jining City, Shandong Province 5-1-103 Patentee after: SHANDONG SINOVIS EP TECH. Co.,Ltd. Address before: 272000 second business room from building 18, phase II, Chang'an garden, Rencheng District, Jining City, Shandong Province Patentee before: SHANDONG SINOVIS EP TECH. Co.,Ltd. |