CN106675404A - Preparation method of environment-friendly dust suppressant - Google Patents
Preparation method of environment-friendly dust suppressant Download PDFInfo
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- CN106675404A CN106675404A CN201611135242.7A CN201611135242A CN106675404A CN 106675404 A CN106675404 A CN 106675404A CN 201611135242 A CN201611135242 A CN 201611135242A CN 106675404 A CN106675404 A CN 106675404A
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D189/00—Coating compositions based on proteins; Coating compositions based on derivatives thereof
- C09D189/04—Products derived from waste materials, e.g. horn, hoof or hair
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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
- C08F251/02—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof on to cellulose 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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention relates to a preparation method of an environment-friendly dust suppressant and belongs to the technical filed of dust suppressants. The dust suppressant comprises the following steps: taking bagasse as a raw material, adding sulfur dioxide as a catalyst and hydrolyzing hemicelluloses, lignin and the like through steam blasting treatment; then dissolving, removing impurities, preparing bagasse celluloses, grafting and modifying with acryl amide to improve the wettability and the film-forming property; finally mixing with soya bean meal, sodium dodecyl benzene sulfonate, polyvinyl alcohol and the like to prepare the environment-friendly dust suppressant. The environment-friendly dust suppressant prepared by the preparation method provided by the invention has the benefits that after the environment-friendly dust suppressant is sprayed, a layer of thin film is easy to form on the soil surface, so that the effect of protecting surface soil is realized; when in use at a normal temperature, the environment-friendly dust suppressant has better bonding property, good moisture preservation property and better water stability, and can effectively resist rainwater washing, the moisture preservation time can reach 80 hours or above, and the dust suppression efficiency is effectively improved.
Description
Technical field
The present invention relates to a kind of preparation method of environmentally friendly dust suppressant, belongs to dust suppressant technical field.
Background technology
Dust refers to the aerial solid particle of suspension, ISO, solid of the particle diameter less than 75 μm
Float is defined as dust.Source of Dust is various, and such as cities and towns enlarging, mining quarrying, Coal Transport, metal smelt is a series of
The field closely bound up with mankind's activity and industrial development, all inevitably produces to a certain extent a large amount of dust；Meanwhile,
Artificial destruction to vegetation causes desertification of land, dusty wind weather is formed then the reason for be also one extremely important.Soil and rock
Many tiny particles contents are split into after dapsone, as pollen, spore and other organic granular floatings form in the air dust；
Contain dust in the waste gas of chimney and engine exhaust；The operation in flour, stone pit etc. is also easy to cause dust；The powder of deposition
Dirt is swum and reentrainment of dust is produced in air again again due to vibration or air motion.Contain various heavy, floating dust energy in dust
Enough adsorb various noxious substances, wherein having plenty of carcinogen.The floating dust for adsorbing noxious substance drifts everywhere, severe contamination I
The environment depended on for existence.It is the weight for improving China's Present Situation of Air Pollution into air using chemical dust suppressant suppression particulate matter
Want measure.
Dust suppressant is combined by Multifunction high molecular polymer.The degree of cross linking between polymer molecule can form net
Shape structure, while intermolecular have various ionic groups, can produce stronger affinity and ion between.Its mechanism of action is
By catch, absorption, reunion dust particle, be rigidly fastened within network structure, play moistening, bonding, condensation, moisture absorption, prevent
Dirt, anti-etch and the effect of antiscour.Dust suppressant has good film forming characteristicss, can effectively fix dust and in material table
Face forms protecting film.
But, presently commercially available dust suppressant great majority have corrosivity, there is certain harm to plant and soil, or are difficult drop
Solution, residual rate is high, easily causes secondary pollution.Therefore, for the research of dust suppressant environmental-protecting performance is particularly important.
The content of the invention
The technical problem to be solved：There are corrosivity for presently commercially available dust suppressant great majority, to plant and
Soil has certain harm, or not degradable, and residual rate is high, the problem of secondary pollution is easily caused, the invention provides a kind of environment
The preparation method of friendly dust suppressant, the present invention adds sulfur dioxide as catalyst, by steam explosion with bagasse as raw material
Process, hydrolyzed hemicellulose, lignin etc., then Jing dissolving remove impurity, bagasse cellulose is obtained, and it is changed with acrylamide graft
Property, its wettability and filming performance are improved, finally and bean cake powder, dodecylbenzene sodium sulfonate, the mixing such as polyvinyl alcohol is obtained ring
Border friendly dust suppressant.Environmentally friendly dust suppressant prepared by the present invention, easily thin film is formed after sprinkling in soil surface, can
Play a part of to protect topsoil, there is preferable bond performance when using under room temperature, moisture preserving time can up to 80h with
On, with good moisture retention, and rain drop erosion can be effectively resisted, with preferable water stability, effectively increase dust suppression effect
Rate.
To solve above-mentioned technical problem, the technical solution used in the present invention is：
（1）3~5kg bagasses are weighed, is added in pulverizer after natural air drying and is crushed, 100 mesh sieves are crossed, by the bagasse powder after sieving
In being fitted into steam explosion tank, and 20~30L sulfur dioxide is passed through, 190~210 DEG C is again heated to, then in steam explosion tank
It is 1.6~1.9MPa to be passed through water vapour to pressure inside the tank, after keeping 5~8min of pressure, opens steam explosion tank valve pressure release, is let out
It is depressed into after normal pressure and filters, and with 70~80 DEG C of deionized water wash filtering residues 3~5 times, obtains the bagasse powder after Steam explosion treatment；
（2）The bagasse powder after the above-mentioned Steam explosion treatments of 100~200g is weighed, being immersed in 500~600mL mass fractions is
In 10% hydrogenperoxide steam generator, 1~2h is reacted under 70~80 DEG C of waters bath with thermostatic control, obtain mixed liquor, then be 5% hydrogen-oxygen with mass fraction
Change sodium solution to adjust pH of mixed is 11~12, and 2~3h is reacted under 80~85 DEG C of waters bath with thermostatic control, and subsequent vacuum filtration is used in combination
Mass fraction is that 70% ethanol solution washs filter cake to cleaning mixture in neutrality, and the filter cake after washing is proceeded to into 105~110 DEG C of dryings
It is dried to constant weight in case, obtains sugarcane fiber；
（3）The above-mentioned sugarcane fibers of 30~50g are weighed, in adding 500~600mL deionized waters, with 300~400r/min 10 is stirred
~20min, adds 1.2~1.5g potassium peroxydisulfates, 0.5~0.6g cross-linking agent N, N ﹣ methylene-bisacrylamides, 40~60g third
Acrylamide, under 60~65 DEG C of waters bath with thermostatic control, reacts 3~5h, obtains graft modification sugarcane fiber；
（4）50~80g bean cake is weighed, is added in pulverizer and is crushed, cross 120 mesh sieves, the bean cake powder addition 300 after sieving~
In 400mL deionized waters, and the 30~40min of steaming and decocting that seethes with excitement is heated to, after being cooled to 65~75 DEG C, adds 0.2~0.3g ten
Dialkyl benzene sulfonic acids sodium, with 200~300r/min 10~15min is stirred, and is subsequently added the above-mentioned graft modification bagasses of 20~30g fine
Dimension, 80~100mL mass fractions are 10% polyvinyl alcohol water solution, and stir 40~60min with 2000~3000r/min, natural
It is cold to go to room temperature, obtain environmentally friendly dust suppressant.
The present invention application process be：The efficient biodegradable dust suppressant that fixes the sand prepared by the present invention is added into nebulizer
In, be sprayed at traffic and construction site ground, dust suppression efficiency up to 98~99%, seepage velocity is maintained at 0.03~
0.04cm/s, soil layer after 80 h is sprayed at room temperature, still containing 20~30% moisture, can resist 4~5 rain drop erosiones.
The method have the benefit that：
（1）Environmentally friendly dust suppressant prepared by the present invention, stability, water solublity, permeability, moisture retention and heat-resisting quantity are good
It is good；
（2）Environmentally friendly dust suppressant prepared by the present invention, there is provided a kind of bagasse, the approach that bean cake the like waste is utilized, reaches
The effectively utilizes of resource are arrived.
Specific embodiment
3~5kg bagasses are weighed, is added in pulverizer after natural air drying and is crushed, cross 100 mesh sieves, the bagasse powder after sieving
End is fitted in steam explosion tank, and is passed through 20~30L sulfur dioxide, 190~210 DEG C is again heated to, then to steam explosion tank
In be passed through water vapour to pressure inside the tank be 1.6~1.9MPa, keep 5~8min of pressure after, open steam explosion tank valve pressure release,
Pressure release is filtered to normal pressure, and with 70~80 DEG C of deionized water wash filtering residues 3~5 times, obtains the bagasse powder after Steam explosion treatment
End；The bagasse powder after the above-mentioned Steam explosion treatments of 100~200g is weighed, 500~600mL mass fractions is immersed in for 10% mistake
In hydrogen peroxide solution, 1~2h is reacted under 70~80 DEG C of waters bath with thermostatic control, obtain mixed liquor, then be 5% sodium hydroxide with mass fraction
It is 11~12 that solution adjusts pH of mixed, and 2~3h, subsequent vacuum filtration are reacted under 80~85 DEG C of waters bath with thermostatic control, and uses quality
Fraction is that 70% ethanol solution washs filter cake to cleaning mixture in neutrality, and the filter cake after washing is proceeded in 105~110 DEG C of drying baker
It is dried to constant weight, obtains sugarcane fiber；The above-mentioned sugarcane fibers of 30~50g are weighed, in adding 500~600mL deionized waters, with 300
~400r/min stirs 10~20min, adds 1.2~1.5g potassium peroxydisulfates, 0.5~0.6g cross-linking agent N, N ﹣ di-2-ethylhexylphosphine oxides third
Acrylamide, 40~60g acrylamides under 60~65 DEG C of waters bath with thermostatic control, react 3~5h, obtain graft modification sugarcane fiber；Weigh
50~80g bean cake, adds in pulverizer and crushes, and crosses 120 mesh sieves, and the bean cake powder after sieving adds 300~400mL deionizations
In water, and the 30~40min of steaming and decocting that seethes with excitement is heated to, after being cooled to 65~75 DEG C, adds 0.2~0.3g DBSA
Sodium, with 200~300r/min 10~15min is stirred, and is subsequently added the above-mentioned graft modification sugarcane fibers of 20~30g, 80~100mL
Mass fraction is 10% polyvinyl alcohol water solution, and stirs 40~60min with 2000~3000r/min, naturally cold to go to room temperature
Afterwards, environmentally friendly dust suppressant is obtained.
Example 1
3kg bagasses are weighed, is added in pulverizer after natural air drying and is crushed, cross 100 mesh sieves, the bagasse powder after sieving loads steams
In vapour cavity charge containers, and 20L sulfur dioxide is passed through, is again heated to 190 DEG C, then to water vapour being passed through in steam explosion tank to tank
Pressure is 1.6MPa, after keeping pressure 5min, opens steam explosion tank valve pressure release, is filtered after pressure release to normal pressure, and with 70 DEG C
Deionized water wash filtering residue 3 times, obtains the bagasse powder after Steam explosion treatment；Weigh the sugarcane after the above-mentioned Steam explosion treatments of 100g
Ground-slag end, is immersed in 500mL mass fractions in 10% hydrogenperoxide steam generator, under 70 DEG C of waters bath with thermostatic control 1h to be reacted, and must mix
Liquid, then it is 11 to adjust pH of mixed for 5% sodium hydroxide solution with mass fraction, and under 80 DEG C of waters bath with thermostatic control 2h is reacted, it is subsequently true
Empty sucking filtration, and with mass fraction filter cake is washed to cleaning mixture in neutrality for 70% ethanol solution, the filter cake after washing is proceeded to into 105
It is dried to constant weight in DEG C drying baker, obtains sugarcane fiber；The above-mentioned sugarcane fibers of 30g are weighed, in adding 500mL deionized waters, with
300r/min stirs 10min, adds 1.2g potassium peroxydisulfates, 0.5g cross-linking agent N, N ﹣ methylene-bisacrylamides, 40g acryloyls
Amine, under 60 DEG C of waters bath with thermostatic control, reacts 3h, obtains graft modification sugarcane fiber；50g bean cake is weighed, is added in pulverizer and is crushed, mistake
120 mesh sieves, the bean cake powder after sieving is added in 300mL deionized waters, and is heated to the steaming and decocting 30min that seethes with excitement, and is cooled to 65
After DEG C, 0.2g dodecylbenzene sodium sulfonate is added, 10min is stirred with 200r/min, be subsequently added the above-mentioned graft modification sugarcanes of 20g
Slag fiber, 80mL mass fractions are 10% polyvinyl alcohol water solution, and stir 40min with 2000r/min, naturally cold to go to room temperature
Afterwards, environmentally friendly dust suppressant is obtained.
The present invention application process be：The efficient biodegradable dust suppressant that fixes the sand prepared by the present invention is added into nebulizer
In, traffic and construction site ground are sprayed at, up to 98%, seepage velocity is maintained at 0.03cm/s to dust suppression efficiency, in room temperature
Soil layer can resist 4 rain drop erosiones still containing 20% moisture after 80 h of lower sprinkling.
Example 2
4kg bagasses are weighed, is added in pulverizer after natural air drying and is crushed, cross 100 mesh sieves, the bagasse powder after sieving loads steams
In vapour cavity charge containers, and 25L sulfur dioxide is passed through, is again heated to 200 DEG C, then to water vapour being passed through in steam explosion tank to tank
Pressure is 1.8MPa, after keeping pressure 7min, opens steam explosion tank valve pressure release, is filtered after pressure release to normal pressure, and with 75 DEG C
Deionized water wash filtering residue 4 times, obtains the bagasse powder after Steam explosion treatment；Weigh the sugarcane after the above-mentioned Steam explosion treatments of 160g
Ground-slag end, is immersed in 560mL mass fractions in 10% hydrogenperoxide steam generator, under 75 DEG C of waters bath with thermostatic control 1.5h to be reacted, and must mix
Liquid, then it is 11.5 to adjust pH of mixed for 5% sodium hydroxide solution with mass fraction, and under 82 DEG C of waters bath with thermostatic control 2.5h is reacted, with
Vacuum filtration afterwards, and with mass fraction filter cake is washed to cleaning mixture in neutrality for 70% ethanol solution, the filter cake after washing is proceeded to
It is dried to constant weight in 108 DEG C of drying baker, obtains sugarcane fiber；The above-mentioned sugarcane fibers of 40g are weighed, in adding 550mL deionized waters, with
360r/min stirs 10~20min, adds 1.3g potassium peroxydisulfates, 0.5g cross-linking agent N, N ﹣ methylene-bisacrylamides, 50g third
Acrylamide, under 62 DEG C of waters bath with thermostatic control, reacts 4h, obtains graft modification sugarcane fiber；60g bean cake is weighed, powder in pulverizer is added
It is broken, 120 mesh sieves are crossed, the bean cake powder after sieving is added in 360mL deionized waters, and is heated to the steaming and decocting 35min that seethes with excitement, cooling
To after 70 DEG C, 0.2g dodecylbenzene sodium sulfonate is added, 12min is stirred with 250r/min, be subsequently added the above-mentioned grafting of 25g and change
Property sugarcane fiber, 90mL mass fractions be 10% polyvinyl alcohol water solution, and with 2700r/min stir 50min, it is naturally cold go to
After room temperature, environmentally friendly dust suppressant is obtained.
The present invention application process be：The efficient biodegradable dust suppressant that fixes the sand prepared by the present invention is added into nebulizer
In, traffic and construction site ground are sprayed at, up to 98%, seepage velocity is maintained at 0.03cm/s to dust suppression efficiency, in room temperature
Soil layer can resist 4 rain drop erosiones still containing 27% moisture after 80 h of lower sprinkling.
Example 3
5kg bagasses are weighed, is added in pulverizer after natural air drying and is crushed, cross 100 mesh sieves, the bagasse powder after sieving loads steams
In vapour cavity charge containers, and 30L sulfur dioxide is passed through, is again heated to 210 DEG C, then to water vapour being passed through in steam explosion tank to tank
Pressure is 1.9MPa, after keeping pressure 8min, opens steam explosion tank valve pressure release, is filtered after pressure release to normal pressure, and with 80 DEG C
Deionized water wash filtering residue 5 times, obtains the bagasse powder after Steam explosion treatment；Weigh the sugarcane after the above-mentioned Steam explosion treatments of 200g
Ground-slag end, is immersed in 600mL mass fractions in 10% hydrogenperoxide steam generator, under 80 DEG C of waters bath with thermostatic control 2h to be reacted, and must mix
Liquid, then it is 12 to adjust pH of mixed for 5% sodium hydroxide solution with mass fraction, and under 85 DEG C of waters bath with thermostatic control 3h is reacted, it is subsequently true
Empty sucking filtration, and with mass fraction filter cake is washed to cleaning mixture in neutrality for 70% ethanol solution, the filter cake after washing is proceeded to into 110
It is dried to constant weight in DEG C drying baker, obtains sugarcane fiber；The above-mentioned sugarcane fibers of 50g are weighed, in adding 600mL deionized waters, with
400r/min stirs 20min, adds 1.5g potassium peroxydisulfates, 0.6g cross-linking agent N, N ﹣ methylene-bisacrylamides, 60g acryloyls
Amine, under 65 DEG C of waters bath with thermostatic control, reacts 5h, obtains graft modification sugarcane fiber；80g bean cake is weighed, is added in pulverizer and is crushed, mistake
120 mesh sieves, the bean cake powder after sieving is added in 400mL deionized waters, and is heated to the steaming and decocting 40min that seethes with excitement, and is cooled to 75
After DEG C, 0.3g dodecylbenzene sodium sulfonate is added, 15min is stirred with 300r/min, be subsequently added the above-mentioned graft modification sugarcanes of 30g
Slag fiber, 100mL mass fractions are 10% polyvinyl alcohol water solution, and stir 60min with 3000r/min, naturally cold to go to room temperature
Afterwards, environmentally friendly dust suppressant is obtained.
The present invention application process be：The efficient biodegradable dust suppressant that fixes the sand prepared by the present invention is added into nebulizer
In, traffic and construction site ground are sprayed at, up to 99%, seepage velocity is maintained at 0.04cm/s to dust suppression efficiency, in room temperature
Soil layer can resist 5 rain drop erosiones still containing 30% moisture after 80 h of lower sprinkling.
Claims (1)
1. a kind of preparation method of environmentally friendly dust suppressant, it is characterised in that concrete preparation process is：
（1）3~5kg bagasses are weighed, is added in pulverizer after natural air drying and is crushed, 100 mesh sieves are crossed, by the bagasse powder after sieving
In being fitted into steam explosion tank, and 20~30L sulfur dioxide is passed through, 190~210 DEG C is again heated to, then in steam explosion tank
It is 1.6~1.9MPa to be passed through water vapour to pressure inside the tank, after keeping 5~8min of pressure, opens steam explosion tank valve pressure release, is let out
It is depressed into after normal pressure and filters, and with 70~80 DEG C of deionized water wash filtering residues 3~5 times, obtains the bagasse powder after Steam explosion treatment；
（2）The bagasse powder after the above-mentioned Steam explosion treatments of 100~200g is weighed, being immersed in 500~600mL mass fractions is
In 10% hydrogenperoxide steam generator, 1~2h is reacted under 70~80 DEG C of waters bath with thermostatic control, obtain mixed liquor, then be 5% hydrogen-oxygen with mass fraction
Change sodium solution to adjust pH of mixed is 11~12, and 2~3h is reacted under 80~85 DEG C of waters bath with thermostatic control, and subsequent vacuum filtration is used in combination
Mass fraction is that 70% ethanol solution washs filter cake to cleaning mixture in neutrality, and the filter cake after washing is proceeded to into 105~110 DEG C of dryings
It is dried to constant weight in case, obtains sugarcane fiber；
（3）The above-mentioned sugarcane fibers of 30~50g are weighed, in adding 500~600mL deionized waters, with 300~400r/min 10 is stirred
~20min, adds 1.2~1.5g potassium peroxydisulfates, 0.5~0.6g cross-linking agent N, N ﹣ methylene-bisacrylamides, 40~60g third
Acrylamide, under 60~65 DEG C of waters bath with thermostatic control, reacts 3~5h, obtains graft modification sugarcane fiber；
（4）50~80g bean cake is weighed, is added in pulverizer and is crushed, cross 120 mesh sieves, the bean cake powder addition 300 after sieving~
In 400mL deionized waters, and the 30~40min of steaming and decocting that seethes with excitement is heated to, after being cooled to 65~75 DEG C, adds 0.2~0.3g ten
Dialkyl benzene sulfonic acids sodium, with 200~300r/min 10~15min is stirred, and is subsequently added the above-mentioned graft modification bagasses of 20~30g fine
Dimension, 80~100mL mass fractions are 10% polyvinyl alcohol water solution, and stir 40~60min with 2000~3000r/min, natural
It is cold to go to room temperature, obtain environmentally friendly dust suppressant.
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| CN201611135242.7A CN106675404A (en) | 2016-12-11 | 2016-12-11 | Preparation method of environment-friendly dust suppressant |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109354656A (en) * | 2018-10-15 | 2019-02-19 | 南京邮电大学 | A kind of preparation method of wooden hydrogel |
| CN112321771A (en) * | 2020-11-03 | 2021-02-05 | 山东科技大学 | Efficient permeation wetting type moistening agent for coal seam water injection and preparation method thereof |
| CN112619322A (en) * | 2021-01-15 | 2021-04-09 | 王忠良 | Air filtering membrane replacing melt-blown fabric and preparation method thereof |
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| CN106085360A (en) * | 2016-08-25 | 2016-11-09 | 仇颖超 | The most biodegradable a kind of preparation method fixing the sand dust suppressant |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109354656A (en) * | 2018-10-15 | 2019-02-19 | 南京邮电大学 | A kind of preparation method of wooden hydrogel |
| CN112321771A (en) * | 2020-11-03 | 2021-02-05 | 山东科技大学 | Efficient permeation wetting type moistening agent for coal seam water injection and preparation method thereof |
| CN112619322A (en) * | 2021-01-15 | 2021-04-09 | 王忠良 | Air filtering membrane replacing melt-blown fabric and preparation method thereof |
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Application publication date: 20170517 |