CN109805005A - A kind of aviation low volume sterilization disease-resistant suspending agent and its preparation and application - Google Patents
A kind of aviation low volume sterilization disease-resistant suspending agent and its preparation and application Download PDFInfo
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- CN109805005A CN109805005A CN201910112935.1A CN201910112935A CN109805005A CN 109805005 A CN109805005 A CN 109805005A CN 201910112935 A CN201910112935 A CN 201910112935A CN 109805005 A CN109805005 A CN 109805005A
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Abstract
The invention discloses a kind of aviation low volume sterilization disease-resistant suspending agent and its preparation and application, belong to technical field of pesticide.Above-mentioned suspending agent is grouped as by the group of following parts by weight: 1-10 parts of pesticide original medicine；2-12 parts of drift inhibitor of evaporation；4-10 parts of dispersing agent；4-10 parts of wetting agent；0.1-2 parts of defoaming agent；0.1-2 parts of binder；2-5 parts of grinding aid；50-90 parts of water；Evaporating drift inhibitor includes polysaccharide and oils；Dispersing agent includes nonionic surfactant and anionic surfactant；Nonionic surfactant includes superbrnaching end-hydroxy polyester；Grinding aid is one of triethanolamine, diethanol monoisopropanolamine, polyisocyanate Propanolamine or a variety of.Aviation low volume sterilization disease-resistant suspending agent of the invention, preparation and application is simple, under the collective effect of a variety of auxiliary agents, has the advantages that be free of volatile organic solvent, partial size is smaller than Conventional suspending agents, surface tension is low etc..
Description
Technical field
The present invention relates to pesticide field, particularly relates to a kind of aviation low volume sterilization disease-resistant suspending agent and its preparation and make
Use method.
Background technique
Agricultural aviation plant protection is using airplane spray pesticide or fertilizer, thus to farmland, forest, the disease on grassland, worm, crop smothering
Prevented and treated or carried out field growing management.Since spouting liquid per acre is in 0.5-1.5L in aviation plant protection spray process, pesticide
Diluted concentration is about 15 times higher than ground artificial or mechanical spraying, also correspondinglys increase, needs to the formulations of pesticide and pharmacy quality demand
Use special agent.The current agricultural aviation in China sprays special agent deficiency, it has also become restricts China's agricultural aviation plant protection industry
An important factor for development.Existing aviation plant protection operation still uses emulsifiable concentrates for agricultural chemicals, suspending agent, the wettable powder of ground by spraying
Deng wherein missible oil contains volatile organic compounds more, routinely spraying serious to the damage ratio of atmosphere during aerial sprays；
Wettable powder partial size is larger, and suspensibility is low, is easy to cause sprinkling uneven in aerial sprays, surface tension is higher, wetability
Difference is not easy wetting and spreading on crop in aerial sprays.
Summary of the invention
Be not suitable for aerial sprays, this hair again to solve the problem of to lack currently on the market aviation special agent conventional pesticide
It is bright that one kind agricultural chemicals suspension agent used in agricultural aviation low volume and preparation method thereof is provided；The suspending agent is without containing volatilization
Property organic compound (VOC), reduces pollution of the volatile substance to atmosphere during pesticide spraying；Partial size is less than conventional pesticide
Suspending agent improves pesticide in the spread uniformity and absorptivity of target surface.
In order to solve the above technical problems, present invention offer technical solution is as follows:
On the one hand, the present invention provides a kind of aviation low volume sterilization disease-resistant suspending agent, is grouped by the group of following parts by weight
At:
The evaporation drift inhibitor is the mixture of polysaccharide and oils；
The dispersing agent is the mixture of nonionic surfactant and anionic surfactant；
The nonionic surfactant includes superbrnaching end-hydroxy polyester；
The grinding aid is one of triethanolamine, diethanol monoisopropanolamine, polyisocyanate Propanolamine or a variety of.
Preferably, above-mentioned aviation low volume sterilization disease-resistant suspending agent, is grouped as by the group of following parts by weight:
Further, the pesticide original medicine be solid, fusing point at 60 DEG C or more, in water solubility be less than 200mg/L and
Stabilization is not decomposed.
Preferably, the pesticide original medicine is Mancozeb, Fluoxastrobin, pyraclostrobin, difenoconazole, hexaconazole, fluorine
One or more of ring azoles, Tebuconazole, brassin lactones.
Further, the polysaccharide is one of chitosan, cellulose, starch or a variety of；
The oils is one of glycerol, propylene glycol, modified vegetable oil or a variety of.
Further, the nonionic surfactant can also include octadecanol polyoxyethylene ether, propylene glycol block
One of polyethers, allyl alcohol polyether, polyoxyethylene oleic acid ester, lauric acid polyoxyethylene ester are a variety of；
The anionic surfactant is sodium polycarboxylate, sodium lignin sulfonate, sodium sulfate of polyethenoxy ether of fatty alcohol, different
One of sodium octyl sulfate, positive decyl sodium sulphate are a variety of.
In the present invention, surfactant uses superbrnaching end-hydroxy polyester nonionic surfactant, remaining nonionic
One of surfactant and anionic surfactant mix, so that the composition pesticide of preparation has preferable wetting effect
Fruit.
Further, the wetting agent is Aerosol OT, isomerous tridecanol ether, double tridecanol sulfo group ambers
Amber acid esters sodium, sodium sulfate of polyethenoxy ether of fatty alcohol, naphthalene sulfonate and its derivative, nekal, alkyl naphthalene sulfonic acid
One of salt condensation product, trisiloxanes are a variety of.
Further, the defoaming agent is organic silicon defoamer and/or polyether antifoam agent.It should be noted that this field
The common defoaming agent of technical staff is used equally for the present invention.
Further, the binder be Arabic gum, acrylate, acrylic acid modified alkyd resin, vinylacetate/
One of acrylate copolymer is a variety of.
On the other hand, the present invention also provides a kind of preparation method of above-mentioned aviation low volume sterilization disease-resistant suspending agent, packets
It includes:
Step 1: water, evaporation drift inhibitor, dispersing agent, wetting agent, raw medicine, defoaming agent, grinding aid being mixed, stirring speed
Degree keeps 60 turns/min, stirs 30min；
Step 2: mixture is sanded to 0.01-1 microns of partial size in horizontal nanometer sand mill；
Step 3: binder is added in the material after sand milling, adjusts viscosity, forms product.
In another aspect, the present invention also provides a kind of application method of above-mentioned aviation low volume sterilization disease-resistant suspending agent, spray
Pesticide does not dilute when mist or diluted concentration is lower than 100 times.The suspending agent is planted for aviations such as unmanned plane, fixed wing aircrafts
In guarantor.
The suspending agent storage utensil can be PET, PEPA, HDPE, F-HDPE, PE bottles, and being also possible to can quick-replaceable
With the medicinal cupping of reuse.
Compared with prior art, the invention has the following advantages:
In the present invention, the specific dispersant of specific proportion, wetting agent, defoaming agent, binder, grinding aid are composed outstanding
Floating agent has without volatile organic solvent, partial size is smaller than Conventional suspending agents, surface tension is low, be easy to soak in crop surface,
Adherency, deposition improve drug effect to improve the droplet quantity for reaching target.Pesticide during aviation plant protection low volume
Diluted concentration is higher than 15 times or so of routine, is able to maintain medical fluid using product of the present invention in the case and stablizes, and uniformly spread exists
Plant surface.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with specific implementation
Example is described in detail.
In the present invention, used material and reagent no special instructions, it is commercially available.
The present invention provides a kind of aviation low volume sterilization disease-resistant suspending agent and its preparation and application, specific embodiment
It is as follows.
Embodiment 1
A kind of aviation low volume sterilization disease-resistant suspending agent, is made of following parts by weight of component: 4 parts of difenoconazole, forming sediment
1 part of powder, 1 part of glycerol, 4 parts of superbrnaching end-hydroxy polyester, 2 parts of polyoxyethylene oleic acid ester, 4 parts of sodium polycarboxylate, 4 parts of tridecanol ether,
0.1 part of organic silicon defoamer, 0.1 part of Arabic gum, 2 parts of triethanolamine, 90 parts of water.
The preparation method of above-mentioned aviation low volume sterilization disease-resistant suspending agent, comprising:
Step 1: water, evaporation drift inhibitor, dispersing agent, wetting agent, raw medicine, defoaming agent, grinding aid being mixed, stirring speed
Degree keeps 60 turns/min, stirs 30min；
Step 2: mixture is sanded to 0.01-1 microns of partial size in horizontal nanometer sand mill；
Step 3: binder is added in the material after sand milling, adjusts viscosity, forms product.
Embodiment 2
A kind of aviation low volume sterilization disease-resistant suspending agent, is made of following parts by weight of component: 7 parts of pyraclostrobin, fine
Plain 2 parts, 3 parts of propylene glycol are tieed up, 2 parts of superbrnaching end-hydroxy polyester, 1 part of lauric acid polyoxyethylene ester, 1 part of positive decyl sodium sulphate are double
10 parts of tridecanol sulfosuccinate sodium, 1 part of polyether antifoam agent, 1 part of acrylate, 4 parts of diethanol monoisopropanolamine, water 50
Part.
The preparation method is the same as that of Example 1.
Embodiment 3
A kind of aviation low volume sterilization disease-resistant suspending agent, is made of following parts by weight of component: 10 parts of epoxiconazole, chitosan
6 parts, 3 parts of glycerol, 3 parts of propylene glycol, 4 parts of superbrnaching end-hydroxy polyester, 1 part of octadecanol polyoxyethylene ether, oleic acid polyoxyethylene
1 part of ester, 2 parts of iso-octyl sodium sulphate, 8 parts of nekal, 1 part of organic silicon defoamer, acrylic acid modified alkyd resin 1
Part, 5 parts of diethanol monoisopropanolamine, 85 parts of water.
The preparation method is the same as that of Example 1.
Embodiment 4
A kind of aviation low volume sterilization disease-resistant suspending agent, is made of following parts by weight of component: 0.01 part of brassin lactones,
0.01 part of Mancozeb, 4 parts of chitosan, 4 parts of propylene glycol, superbrnaching end-hydroxy polyester 2,2 parts of lauric acid polyoxyethylene ester, the positive last of the ten Heavenly stems
2 parts of base sodium sulphate, double 3 parts of tridecanol sulfosuccinate sodium, 3 parts of sodium sulfate of polyethenoxy ether of fatty alcohol, organic silicon defoamer
1.5 parts, 2 parts of ethylene acetate/acrylic acid ester copolymer, 4 parts of triethanolamine, 78.5 parts of water.
The preparation method is the same as that of Example 1.
To further illustrate beneficial effects of the present invention, because length is limited, only building is compared for example by taking embodiment 3 as an example
Under.
Comparative example 1
Superbrnaching end-hydroxy polyester is substituted for the polyoxyethylene oleic acid ester of equivalent by this comparative example, remaining and 3 phase of embodiment
Together.
Comparative example 2
Superbrnaching end-hydroxy polyester and polyoxyethylene oleic acid ester are substituted for the phenethyl phenol polyoxy second of equivalent by this comparative example
Alkene ether, remaining is same as Example 3.
Comparative example 3
Diethanol monoisopropanolamine is substituted for the ethylene glycol of equivalent by this comparative example, remaining is same as Example 3.
Comparative example 4
Chitosan, glycerol and propylene glycol are omitted, remaining is same as Example 3.
The basic property of the suspending agent of above-described embodiment 1-4 preparation is shown in Table 1；The basic property of above-mentioned comparative example 1-4 is shown in Table
2。
Table 1
As seen from the above table, suspending agent prepared by the present invention have preferably enters water dispersible, heat storage and cold storage stability compared with
It is good, and surface tension is lower, time of penetration is short.
Table 2
As seen from the above table, suspending agent suspension effect is poor in comparative example of the present invention, and surface tension is larger, and time of penetration is longer.
There is synergistic effect for the verifying present invention field spraying to pesticide unmanned plane, using above-described embodiment 3, commercially available
12.5% epoxiconazole suspension concentrate and comparative example 1-4 have carried out prevention and treatment wheat rust field control effectiveness test, dilute 10 times with water first
Afterwards, it is mixed evenly and is administered as spraying instrument using big boundary MG-1 plant protection drone, spray rate: 0.30L/
Min, operation flying speed: 5m/s, flying height are the micro- of 3.4~5.5m/s in wind speed 2 meters more than ground wheat top
It is administered under the conditions of wind, carries out field control effectiveness test referring to " field control effectiveness test criterion ", control efficiency is shown in Table 3.
Table 3
As seen from the above table, suspending agent prepared by the present invention, 14 days preventive effects are above after 7 days and medicine 3 days after medicine, after medicine
The suspending agent of commercially available epoxiconazole suspension concentrate and comparative example 1-4 preparation, compared to other comparative examples, aviation low amounts prepared by the present invention
The disease-resistant suspending agent of spray disinfection has preferable prevention and control of plant diseases, pest control effect.
In summary, aviation low volume sterilization disease-resistant suspending agent of the invention, preparation and application is simple, a variety of
Under the collective effect of auxiliary agent, suspending agent has be free of volatile organic solvent, partial size is smaller than Conventional suspending agents, surface tension is low etc.
Advantage is easy in crop surface wetting, adherency, deposition, to improve the droplet quantity for reaching target, improves drug effect.
The above is a preferred embodiment of the present invention, for those skilled in the art, not
Under the premise of being detached from principle of the present invention, making several improvements and retouching also should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of aviation low volume sterilization disease-resistant suspending agent, which is characterized in that be grouped as by the group of following parts by weight:
The evaporation drift inhibitor is the mixture of polysaccharide and oils；
The dispersing agent is the mixture of nonionic surfactant and anionic surfactant；
The nonionic surfactant includes superbrnaching end-hydroxy polyester；
The grinding aid is one of triethanolamine, diethanol monoisopropanolamine, polyisocyanate Propanolamine or a variety of.
2. aviation low volume sterilization disease-resistant suspending agent according to claim 1, which is characterized in that the pesticide original medicine is
Solid, fusing point is at 60 DEG C or more, and solubility is less than 200mg/L in water and stabilization is not decomposed.
3. aviation low volume sterilization disease-resistant suspending agent according to claim 2, which is characterized in that the pesticide original medicine is
One of Mancozeb, Fluoxastrobin, pyraclostrobin, difenoconazole, hexaconazole, epoxiconazole, Tebuconazole, brassin lactones
Or it is several.
4. aviation low volume sterilization disease-resistant suspending agent according to claim 1, which is characterized in that the polysaccharide is poly- for shell
One of sugar, cellulose, starch are a variety of；
The oils is one of glycerol, propylene glycol, modified vegetable oil or a variety of.
5. aviation low volume sterilization disease-resistant suspending agent according to claim 1, which is characterized in that the non-ionic surface
Activating agent further includes octadecanol polyoxyethylene ether, propylene glycol block polyether, allyl alcohol polyether, polyoxyethylene oleic acid ester, laurel
One of sour polyoxyethylene ester is a variety of；
The anionic surfactant is sodium polycarboxylate, sodium lignin sulfonate, sodium sulfate of polyethenoxy ether of fatty alcohol, iso-octyl
One of sodium sulphate, positive decyl sodium sulphate are a variety of.
6. aviation low volume sterilization disease-resistant suspending agent according to claim 1, which is characterized in that the wetting agent is naphthalene
One of sulfonate and its derivative, nekal, alkylnaphthalene sulfonate condensation product, trisiloxanes are a variety of.
7. aviation low volume sterilization disease-resistant suspending agent according to claim 1, which is characterized in that the defoaming agent is to have
Machine silicon defoaming agent and/or polyether antifoam agent；
The binder is Arabic gum, acrylate, acrylic acid modified alkyd resin, the copolymerization of ethylene acetate/acrylic acid ester
One of object is a variety of.
8. the preparation method of any aviation low volume sterilization disease-resistant suspending agent of claim 1 to 7, which is characterized in that
Include:
Step 1: water, evaporation drift inhibitor, dispersing agent, wetting agent, pesticide original medicine, defoaming agent, grinding aid being mixed, stirring speed
Degree keeps 60 turns/min, stirs 30min；
Step 2: mixture is sanded to 0.01-1 microns of partial size in horizontal nanometer sand mill；
Step 3: binder is added in the material after sand milling, adjusts viscosity, forms product.
9. the application method of any aviation low volume sterilization disease-resistant suspending agent of claim 1 to 7, which is characterized in that
Pesticide does not dilute when spraying or diluted concentration is lower than 100 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910112935.1A CN109805005B (en) | 2019-02-13 | 2019-02-13 | Aviation low-amount spray sterilization disease-resistant suspending agent and preparation and use methods thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910112935.1A CN109805005B (en) | 2019-02-13 | 2019-02-13 | Aviation low-amount spray sterilization disease-resistant suspending agent and preparation and use methods thereof |
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| Publication Number | Publication Date |
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| CN109805005A true CN109805005A (en) | 2019-05-28 |
| CN109805005B CN109805005B (en) | 2021-08-27 |
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| CN201910112935.1A Active CN109805005B (en) | 2019-02-13 | 2019-02-13 | Aviation low-amount spray sterilization disease-resistant suspending agent and preparation and use methods thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110999903A (en) * | 2019-12-16 | 2020-04-14 | 上海交通大学 | Flying anti-spray solid auxiliary agent and preparation method thereof |
| CN115820489A (en) * | 2022-11-28 | 2023-03-21 | 山东碧奥生物科技有限公司 | Microbial composition for improving quality and increasing yield of crops, composite microbial inoculum and application thereof |
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| CN106689122A (en) * | 2016-12-12 | 2017-05-24 | 北京广源益农化学有限责任公司 | Spray aid for agricultural aviation plant protection spray or ultra-low-capacity spray and application |
| CN108294043A (en) * | 2018-04-01 | 2018-07-20 | 安徽农业大学 | One kind flying anti-special-purpose suspension agent |
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| JPH035402A (en) * | 1989-06-01 | 1991-01-11 | Sanyo Chem Ind Ltd | Dispersing agent and composition for suspended killing agent |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110999903A (en) * | 2019-12-16 | 2020-04-14 | 上海交通大学 | Flying anti-spray solid auxiliary agent and preparation method thereof |
| CN115820489A (en) * | 2022-11-28 | 2023-03-21 | 山东碧奥生物科技有限公司 | Microbial composition for improving quality and increasing yield of crops, composite microbial inoculum and application thereof |
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| Publication number | Publication date |
|---|---|
| CN109805005B (en) | 2021-08-27 |
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