CN108076932A - A kind of liquid ground film containing micro-nano SILICA FUME suspended matter and preparation method thereof - Google Patents
A kind of liquid ground film containing micro-nano SILICA FUME suspended matter and preparation method thereof Download PDFInfo
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- CN108076932A CN108076932A CN201711380210.8A CN201711380210A CN108076932A CN 108076932 A CN108076932 A CN 108076932A CN 201711380210 A CN201711380210 A CN 201711380210A CN 108076932 A CN108076932 A CN 108076932A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
- A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
- A01G13/0256—Ground coverings
- A01G13/0268—Mats or sheets, e.g. nets or fabrics
- A01G13/0275—Films
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
- C05G5/27—Dispersions, e.g. suspensions or emulsions
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2301/08—Cellulose derivatives
- C08J2301/26—Cellulose ethers
- C08J2301/28—Alkyl ethers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2429/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
- C08J2429/02—Homopolymers or copolymers of unsaturated alcohols
- C08J2429/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Pest Control & Pesticides (AREA)
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- Manufacturing & Machinery (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Environmental Sciences (AREA)
- Fertilizers (AREA)
Abstract
The present invention relates to liquid ground film field more particularly to a kind of liquid ground films containing micro-nano SILICA FUME suspended matter.Include the following components of weight percent meter：Micro-nano SILICA FUME, thickener, polyvinyl alcohol, dispersant, nitrogenous fertilizer, water.It is an advantage of the invention that：Trace element necessary to providing growth for plant；Local is produced into, preparation process is simple, can effectively save space during production and transportation；It is easy to use, possess excellent water conservation insulation effect, using rear good film-forming property, cracking is not sent out after dry；For ingredient even suspension in liquid, the holding time is long and is not in lamination；Side effect will not be generated to vegetation and environment.
Description
Technical field
The present invention relates to liquid ground film field more particularly to a kind of liquid ground film containing micro-nano SILICA FUME suspended matter and
Its preparation method.
Background technology
From after proposing the concept of liquid ground film the 1970s, the development of liquid ground film was not just interrupted, suspension
Body mulch is a kind of organo-mineral complexing liquid ground film, the application of organic/inorganic composite material, it can be achieved that organic material with it is inorganic
Complementation on material property has synergistic effect.Such as montmorillonite alumino-silicate, humic acid are modified, in crosslinking agent, film forming
Macromolecule is formed under the action of agent, then adds plurality of reagents, prepares the liquid ground film suspension with certain film forming；By first
Base silicate, highly basic can generate liquid ground film suspension after water mixing, and final product is silica, does not cause dirt to environment
Dye；After nano silicon dioxide is mixed with film forming material, the intensity after liquid ground film film forming can be effectively improved.In inorganic compounding
In the application of material membrane, though prepared liquid ground film has multifunctionality, the fertilizer added is mostly industrial production fertilizer,
Liquid ground film production cost is improved, and the flow for preparing liquid ground film is relative complex, reduces the possibility of industrialization production；
In terms of raw material selection, original material can not go out to prepare liquid ground film by simple technique at, it is necessary to further be modified
Reason, portion of material need to add the substances such as soda acid during being dissolved in water, cause the acid-base pair contained in prepared liquid ground film
Soil and vegetation growth adversely affect.
Though liquid ground film has good property, class is a lot of in liquid ground film on the market at present, without specific unified
Standard, and compared with traditional mulch price costly；It is prohibitively expensive mainly due to raw material or preparation process；Due to China south
The shortcomings that north differs greatly, the region limitation of liquid ground film is also especially prominent, and condition of different temperatures is to the effect of liquid ground film
It is affected, and the existing liquid mulch film function in market is single, the shortcomings of film forming difference and short film formation time, can not effectively send out
The effect of liquid ground film is waved, these factors seriously constrain the development and popularization of liquid film.
SILICA FUME is that a kind of being generated by silica or silicon steam chance air for metallurgical silicon systems industry recycling is unformed non-
Brilliant silica dioxide granule, it is complicated, in SILICA FUME system, not only contain element silicon, also with Mg, Ca, Na, Fe, Al etc.
Trace element, SILICA FUME belong to micro-nano granules, and unit weight is 200~250kg/m3, grain size less than 1 micron account for 80% with
On, average grain diameter is 0.15~0.20 micron；Specific surface area is 15000~20000m2/ kg is one for 70~90 times of cement
The high volcano gray matter of kind large specific surface area, activity.It is that the smaller powder of bulk density (is referred to as not that SILICA FUME, which most starts to generate,
Encrypt SILICA FUME), in order to store conveniently, by SILICA FUME encryption, improve the bulk density of SILICA FUME.SILICA FUME is led at present
To be applied in the materials such as cement, refractory material, composite material, concrete, the prior art prepares liquid ground film using SILICA FUME
It is related record seldom, and it is poor to act on existing film-forming type.
The content of the invention
Based on the above problem, it is an object of the invention to provide a kind of liquid ground films containing micro-nano SILICA FUME suspended matter
And preparation method thereof.
A kind of liquid ground film containing micro-nano SILICA FUME suspended matter, wherein, include the following components of weight percent meter：
Micro-nano SILICA FUME 1~20%, thickener 1~5%, polyvinyl alcohol 0.5~3%, dispersant 1~10%, 2~10% and of nitrogenous fertilizer
The water of surplus.
Wherein, the micro- of density≤1.83g/m3 is generated when the micro-nano SILICA FUME is smelting ferrosilicon and industrial silicon
Silica flour.
Further, in the micro-nano SILICA FUME, SiO2Content is 75~98wt%, Al2O3Content for 0.1~
2wt%, Fe2O3Content is 0.1~2wt%, and content of MgO is 0.1~2wt%, and CaO content is 0.1~2wt%, Na2O content is
0.1~2wt%.
Further, the thickener is methylcellulose, in carboxymethyl cellulose, hydroxyethyl cellulose, xanthans
A kind of or arbitrary several mixture.
Further, the dispersant is glyceryl monostearate, in atoleine, magnesium stearate, calgon
A kind of or arbitrary several mixture.
Further, the nitrogenous fertilizer is the mixture of one or more of ammonium hydrogen carbonate, ammonium sulfate, ammonium chloride, urea.
A kind of preparation method of liquid ground film containing micro-nano SILICA FUME suspended matter of the present invention, including：
(1) SILICA FUME, dispersant are mixed with water in proportion, stirring, 10~16min of ultrasound obtain SILICA FUME water in suspension
Solution；
(2) by thickener, nitrogenous fertilizer is with after water in proportion mixing, standing 2h；
(3) solution prepared step (1) and step (2) mixes, and is proportionally added into poly-vinyl alcohol solution, 80~95 DEG C
20~60min is stirred in water-bath；
(4) mixed liquor that step (3) prepares is cooled to room temperature to get the liquid containing micro-nano SILICA FUME suspended matter
Mulch.
Wherein, the liquid ground film of the micro-nano SILICA FUME suspended matter can be prepared into concentrate, and dilution uses.
Further, the application method of the micro-nano SILICA FUME suspended matter liquid ground film is：It is sprayed on after concentrate dilution
Earth's surface.
The present invention liquid ground film, using metallurgical silicon systems industry recycling SILICA FUME discarded object in contain silicon, iron, calcium,
The trace elements such as magnesium, trace element necessary to providing growth for plant, improve plant anti-natural calamity ability, and pass through waste
SILICA FUME pressure caused by environment is stacked using large area is not only reduced, also reduces liquid ground film production cost.
The liquid ground film of the present invention, has the characteristics that easy to use, can directly be sprayed for pocket, you can in soil
Surface layer forms mulch, can spray micro-nano SILICA FUME suspended matter liquid without superelevation pressure and form mulch with soil surface.
The liquid ground film of the present invention has higher extension rate, and liquid ground film can be prepared into thick material, in production and transportation
In the process can effectively save space, when in use, thick material can illustratively be diluted, using effect is not influenced after dilution.
The liquid ground film of the present invention, after forming a film using polyvinyl alcohol, possesses excellent air-tightness and film forming, sprayed
The film formed afterwards in upper soll layer possesses better water conservation insulation effect, and using rear good film-forming property, cracking is not sent out after dry.
The liquid ground film of the present invention, uniformly disperses SILICA FUME suspended particulate using stabilizer, dispersant, ultrasonic method
Holding time in suspension, extending liquid ground film, it is not in lamination to preserve for a long time.
The characteristics of liquid ground film of the present invention, production procedure is simple, after SILICA FUME is only needed to be ultrasonically treated, adds in required examination
Certain time is heated in agent under mechanical agitation, both required liquid ground film.
The liquid ground film suspension of the present invention, selected raw material are water-soluble, are not required to carry out related modification, relatively inexpensive,
Final prepared suspension is neutrality, has cheap, does not generate side effect to vegetation and environment.
Compared with the prior art, a kind of liquid ground film containing micro-nano SILICA FUME suspended matter provided by the invention and preparation
The advantages of method is：Trace element necessary to providing growth for plant；Production procedure is simple and production cost is low；Using just
It is prompt；It can effectively save space and holding time during production and transportation；The film of formation possesses better water conservation insulation effect, makes
With rear good film-forming property, cracking is not sent out after dry；Side effect is not generated to vegetation and environment.
Specific embodiment
Following embodiment is not limited to the scope of the present invention for illustrating the present invention.
Thickener, dispersant and nitrogenous fertilizer assembled scheme
Thickener is methylcellulose, carboxymethyl cellulose, hydroxyethyl cellulose, one kind in xanthans or arbitrary several
Mixture；Dispersant is glyceryl monostearate, atoleine, magnesium stearate, one kind in calgon or arbitrary several
Mixture；Nitrogenous fertilizer is ammonium hydrogen carbonate, ammonium sulfate, ammonium chloride, one kind in urea or arbitrary several mixture.Concrete composition
It is as shown in the table with matching：
Following embodiment is not limited to the scope of the present invention for illustrating the present invention.
Embodiment 1
The preparation method for the liquid ground film that the present embodiment contains micro-nano SILICA FUME suspended matter is：
The weight of 100g calculates in an amount, and it is 1.83g/m that (1), which takes 20g density,3SILICA FUME, 10g stearic acid monoglycerides
As dispersant and 35g water, the ultrasound 16min under mechanical agitation, obtains stable dispersion uniformly micro- silicon after mixing
Powder aqueous suspension；(2) 10g methylcellulose is weighed as thickener, and the ammonium hydrogen carbonate of 10g is mixed as nitrogenous fertilizer and the water of 12g
2h is stood after closing uniformly；(3) polyvinyl alcohol of 3g will be added in above-mentioned (1) (2) appearance liquid obtained, under 95 DEG C of water bath conditions,
Mechanic whirl-nett reaction 60min；It is cooled to room temperature, metering packing is carried out after taking sample survey qualification, into finished product.It is obtained above-mentioned
Liquid ground film by spray appliance be sprayed on earth's surface surface formed mulch, after actual use, the mulch is easy to use, tool
Using rear good film-forming property, cracking is not sent out after dry for standby excellent water conservation insulation effect, will not generate secondary make to vegetation and environment
With.
Embodiment 2
The preparation method for the liquid ground film that the present embodiment contains micro-nano SILICA FUME suspended matter is：
The weight of 100g calculates in an amount, and it is 1.60g/m that (1), which takes 19g density,3SILICA FUME, 1g atoleines as point
Powder and 45g water, the ultrasound 14min under mechanical agitation, obtains the uniform SILICA FUME of stable dispersion and suspends after mixing
Aqueous solution；(2) 1g carboxymethyl celluloses are weighed as thickener, the ammonium hydrogen carbonate of 5.5g is as nitrogenous fertilizer and the water of 28g, and mixing is
2h is stood after even；(3) by above-mentioned (1) (2) polyvinyl alcohol obtained for holding addition 0.5g in liquid, under 90 DEG C of water bath conditions, machine
Tool is stirred to react 20min；It is cooled to room temperature, metering packing is carried out after taking sample survey qualification, into finished product.It will be obtained above
Liquid ground film is sprayed on earth's surface surface by spray appliance and forms mulch, and after actual use, the mulch is easy to use, possesses
Using rear good film-forming property, cracking is not sent out after dry for excellent water conservation insulation effect, will not generate secondary make to vegetation and environment
With.
Embodiment 3
The preparation method for the liquid ground film that the present embodiment contains micro-nano SILICA FUME suspended matter is：
The weight of 100g calculates in an amount, and it is 1.42g/m that (1), which takes 10g density,3SILICA FUME, 5g magnesium stearates as point
Powder and 38.5g water, the ultrasound 10min under mechanical agitation, obtains the uniform SILICA FUME of stable dispersion and hangs after mixing
It swims solution；(2) 8g hydroxyethyl celluloses are weighed as thickener, the ammonium chloride of 6g is uniformly mixed as nitrogenous fertilizer and the water of 30g
After stand 2h；(3) by above-mentioned (1) (2) polyvinyl alcohol obtained for holding addition 2.5g in liquid, under 80 DEG C of water bath conditions, machinery
It is stirred to react 40min；It is cooled to room temperature, metering packing is carried out after taking sample survey qualification, into finished product.By liquid obtained above
Body mulch is sprayed on earth's surface surface by spray appliance and forms mulch, and after actual use, the mulch is easy to use, possesses excellent
Using rear good film-forming property, cracking is not sent out after dry for different water conservation insulation effect, will not generate side effect to vegetation and environment.
Embodiment 4
The preparation method for the liquid ground film that the present embodiment contains micro-nano SILICA FUME suspended matter is：
The weight of 100g calculates in an amount, and it is 1.22g/m that (1), which takes 20g density,3SILICA FUME, 10g calgon conducts
Dispersant and 40g water, the ultrasound 12min under mechanical agitation, obtains the uniform SILICA FUME of stable dispersion and hangs after mixing
It swims solution；(2) 10g xanthans is weighed as thickener, and the urea of 2g is stood after mixing as nitrogenous fertilizer and the water of 15g
2h；(3) by above-mentioned (1) (2) polyvinyl alcohol obtained for holding addition 3g in liquid, under 85 DEG C of water bath conditions, mechanic whirl-nett reaction
30min；It is cooled to room temperature, metering packing is carried out after taking sample survey qualification, into finished product.Liquid ground film obtained above is led to
It crosses spray appliance and is sprayed on earth's surface surface formation mulch, after actual use, the mulch is easy to use, possesses excellent water conservation
Using rear good film-forming property, cracking is not sent out after dry for insulation effect, will not generate side effect to vegetation and environment.
Embodiment 5
The preparation method for the liquid ground film that the present embodiment contains micro-nano SILICA FUME suspended matter is：
The weight of 100g calculates in an amount, and it is 1.73g/m that (1), which takes 20g density,3SILICA FUME, 10g stearic acid monoglycerides
With atoleine as dispersant and 35g water, the ultrasound 16min under mechanical agitation, obtains stable dispersion after mixing
Uniform SILICA FUME aqueous suspension；(2) 10g methylcellulose and carboxymethyl cellulose are weighed as thickener, the carbonic acid of 10g
Hydrogen ammonium stands 2h after mixing as nitrogenous fertilizer and the water of 12g；(3) the poly- of 3g will be added in above-mentioned (1) (2) appearance liquid obtained
Vinyl alcohol, under 95 DEG C of water bath conditions, mechanic whirl-nett reaction 60min；It is cooled to room temperature, is measured after taking sample survey qualification
Packaging, into finished product.Liquid ground film obtained above is sprayed on earth's surface surface by spray appliance and forms mulch, by reality
After use, the mulch is easy to use, possesses excellent water conservation insulation effect, using rear good film-forming property, does not send out cracking after dry, no
Side effect can be generated to vegetation and environment.
Embodiment 6
The preparation method for the liquid ground film that the present embodiment contains micro-nano SILICA FUME suspended matter is：
The weight of 100g calculates in an amount, and it is 1.15g/m that (1), which takes 19g density,3SILICA FUME, 1g atoleines and tristearin
Sour magnesium is as dispersant and 45g water, and the ultrasound 14min under mechanical agitation, it is uniform to obtain stable dispersion after mixing
SILICA FUME aqueous suspension；(2) 1g hydroxyethyl celluloses and xanthans are weighed as thickener, the ammonium hydrogen carbonate of 5.5g, chlorination
Ammonium, urea stand 2h after mixing as nitrogenous fertilizer and the water of 28g；(3) 0.5g will be added in above-mentioned (1) (2) appearance liquid obtained
Polyvinyl alcohol, under 90 DEG C of water bath conditions, mechanic whirl-nett reaction 20min；It is cooled to room temperature, is carried out after taking sample survey qualification
Metering packing, into finished product.Liquid ground film obtained above is sprayed on earth's surface surface by spray appliance and forms mulch, is passed through
After actual use, the mulch is easy to use, possesses excellent water conservation insulation effect, using rear good film-forming property, is not sent out out after dry
It splits, side effect will not be generated to vegetation and environment.
Embodiment 7
The preparation method for the liquid ground film that the present embodiment contains micro-nano SILICA FUME suspended matter is：
The weight of 100g calculates in an amount, and it is 1.08g/m that (1), which takes 10g density,3SILICA FUME, 5g atoleines, stearic acid
Magnesium and calgon are as dispersant and 38.5g water, and the ultrasound 10min under mechanical agitation, obtains steady after mixing
Fixed finely dispersed SILICA FUME aqueous suspension；(2) 8g carboxymethyl celluloses, hydroxyethyl cellulose and xanthans are weighed as increasing
Thick dose, ammonium sulfate, ammonium chloride and the urea of 6g stand 2h after mixing as nitrogenous fertilizer and the water of 30g；(3) by above-mentioned (1)
(2) it is obtained to hold the polyvinyl alcohol that 2.5g is added in liquid, under 80 DEG C of water bath conditions, mechanic whirl-nett reaction 40min；It is cooled to often
Temperature carries out metering packing, into finished product after taking sample survey qualification.Liquid ground film obtained above is sprayed by spray appliance
Mulch is formed in earth's surface surface, after actual use, the mulch is easy to use, possesses excellent water conservation insulation effect, uses
Good film-forming property afterwards does not send out cracking after dry, will not generate side effect to vegetation and environment.
Embodiment 8
The preparation method for the liquid ground film that the present embodiment contains micro-nano SILICA FUME suspended matter is：
The weight of 100g calculates in an amount, and it is 0.97g/m that (1), which takes 20g density,3SILICA FUME, 10g stearic acid list glycerine
Ester, atoleine, magnesium stearate and calgon are as dispersant and 40g water, after mixing under mechanical agitation
Ultrasonic 12min obtains the uniform SILICA FUME aqueous suspension of stable dispersion；(2) 10g methylcellulose, carboxymethyl cellulose are weighed
Element, hydroxyethyl cellulose and xanthans are as thickener, and the ammonium sulfate and ammonium chloride of 2g is as nitrogenous fertilizer and the water of 15g, and mixing is
2h is stood after even；(3) by above-mentioned (1) (2) polyvinyl alcohol obtained for holding addition 3g in liquid, under 85 DEG C of water bath conditions, machinery
It is stirred to react 30min；It is cooled to room temperature, metering packing is carried out after taking sample survey qualification, into finished product.By liquid obtained above
Body mulch is sprayed on earth's surface surface by spray appliance and forms mulch, and after actual use, the mulch is easy to use, possesses excellent
Using rear good film-forming property, cracking is not sent out after dry for different water conservation insulation effect, will not generate side effect to vegetation and environment.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All any modifications within the principle of the present invention, made, etc.
With replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of liquid ground film containing micro-nano SILICA FUME suspended matter, which is characterized in that following including weight percent meter
Component：Micro-nano SILICA FUME 1~20%, thickener 1~5%, polyvinyl alcohol 0.5~3%, dispersant 1~10%, nitrogenous fertilizer 2~
10% and the water of surplus.
2. a kind of liquid ground film containing micro-nano SILICA FUME suspended matter according to claim 1, it is characterised in that：It is described
Micro-nano SILICA FUME density≤1.83g/m for generating when being smelting ferrosilicon and industrial silicon3SILICA FUME.
3. a kind of liquid ground film containing micro-nano SILICA FUME suspended matter according to claim 1 or 2, it is characterised in that：
In the micro-nano SILICA FUME, SiO2Content is 75~98wt%, Al2O3Content is 0.1~2wt%, Fe2O3Content is 0.1
~2wt%, content of MgO are 0.1~2wt%, and CaO content is 0.1~2wt%, Na2O content is 0.1~2wt%.
4. a kind of liquid ground film containing micro-nano SILICA FUME suspended matter according to claim 1, it is characterised in that：It is described
Thickener be methylcellulose, carboxymethyl cellulose, hydroxyethyl cellulose, one kind in xanthans or arbitrary several mixing
Object.
5. a kind of liquid ground film containing micro-nano SILICA FUME suspended matter according to claim 1, it is characterised in that：It is described
Dispersant be glyceryl monostearate, atoleine, magnesium stearate, one kind in calgon or arbitrary several mixing
Object.
6. a kind of liquid ground film containing micro-nano SILICA FUME suspended matter according to claim 1, it is characterised in that：It is described
Nitrogenous fertilizer be ammonium hydrogen carbonate, ammonium sulfate, ammonium chloride, one kind in urea or arbitrary several mixture.
7. a kind of preparation method of liquid ground film containing micro-nano SILICA FUME suspended matter according to claim 1, including：
(1) SILICA FUME, dispersant are mixed with water in proportion, stirring, 10~16min of ultrasound obtain SILICA FUME aqueous suspension；
(2) by thickener, nitrogenous fertilizer is with after water in proportion mixing, standing 2h；
(3) solution for preparing step (1) and step (2) mixes, and is proportionally added into poly-vinyl alcohol solution, 80~95 DEG C of water
20~60min is stirred in bath；
(4) mixed liquor that step (3) prepares is cooled to room temperature to get the liquid containing micro-nano SILICA FUME suspended matter
Film.
8. a kind of liquid ground film containing micro-nano SILICA FUME suspended matter according to claim 7, which is characterized in that described
The liquid ground film of micro-nano SILICA FUME suspended matter can be prepared into concentrate, dilution uses.
9. a kind of liquid ground film containing micro-nano SILICA FUME suspended matter according to claim 1, which is characterized in that described
The application method of micro-nano SILICA FUME suspended matter liquid ground film is：Earth's surface is sprayed on after concentrate dilution.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114478123A (en) * | 2022-02-24 | 2022-05-13 | 内蒙古科学技术研究院 | Degradable bioactive liquid mulching film and preparation method thereof |
| CN115340093A (en) * | 2022-08-16 | 2022-11-15 | 合肥学院 | Method for preparing nano silicon or amorphous silicon dioxide by using silicate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115340093A (en) * | 2022-08-16 | 2022-11-15 | 合肥学院 | Method for preparing nano silicon or amorphous silicon dioxide by using silicate |
| CN115340093B (en) * | 2022-08-16 | 2024-01-26 | 合肥学院 | Method for preparing nano silicon or amorphous silicon dioxide by silicate |
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Application publication date: 20180529 |