CN109805006A - A kind of aviation low volume weeding suspending agent and its preparation and application - Google Patents
A kind of aviation low volume weeding suspending agent and its preparation and application Download PDFInfo
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- CN109805006A CN109805006A CN201910113144.0A CN201910113144A CN109805006A CN 109805006 A CN109805006 A CN 109805006A CN 201910113144 A CN201910113144 A CN 201910113144A CN 109805006 A CN109805006 A CN 109805006A
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Abstract
The invention discloses a kind of aviation low volume weeding 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: 0.01-10 parts of pesticide original medicine；1-15 parts of drift inhibitor of evaporation；1-10 parts of dispersing agent；1-10 parts of wetting agent；0.01-2 parts of defoaming agent；0.1-2 parts of binder；1-5 parts of grinding aid；40-95 parts of water；Evaporation drift inhibitor includes polysaccharide and oil；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 weeding 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, a kind of aviation low volume weeding suspending agent and its side of making and using are particularly related to
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 weeding suspending agent, is 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.
Preferably, above-mentioned aviation low volume weeding 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.
Further, the pesticide original medicine includes cyhalofop-butyl, penoxsuam, atrazine, mesotrione, the phonetic sulphur of cigarette
Grand, flufenacet, Thidiazuron, diuron, topramezone, dichloro quinolinic acid, bensulfuron-methyl, Quizalotop-ethyl, azoles humulone, double fluorine sulphurs
One or more of careless amine, fluoroglycofen-ethyl.
Further, the polysaccharide is one of cellulose, starch, glycogen, polyfructosan or a variety of；
The oils is one of vegetable oil, methylated vegetable oils, ethylization vegetable oil or a variety of.
Further, the nonionic surfactant further include octadecanol polyoxyethylene ether, propylene glycol block polyether,
One of 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.
Preferably, the wetting agent is isomerous tridecanol ether, double tridecanol sulfosuccinate sodium, dibutyl naphthalenesulfonic acid
One of sodium, alkylnaphthalene sulfonate condensation product, trisiloxanes are a variety of.
Preferably, the defoaming agent is organic silicon defoamer and/or polyether antifoam agent；
The binder is Arabic gum, acrylate, acrylic acid modified alkyd resin, ethylene acetate/acrylic acid ester
One of copolymer is a variety of.It should be noted that the common defoaming agent of those skilled in the art is used equally for the present invention.
On the other hand, the present invention also provides a kind of preparation methods of above-mentioned aviation low volume weeding suspending agent, comprising:
Step 1: water, evaporation drift inhibitor, dispersing agent, wetting agent, pesticide original medicine, defoaming agent, grinding aid being mixed, stirred
It mixes speed and keeps 60 turns/min, stir 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 weeding suspending agent, when spraying
Pesticide does not dilute or diluted concentration is lower than 100 times.The suspending agent is for aviation plant protections such as unmanned plane, fixed wing aircrafts
In.
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, is helped evaporation drift inhibitor
The suspending agent that grinding agent is composed has without volatile organic solvent, partial size is smaller than Conventional suspending agents, surface tension is low, is easy
In crop surface wetting, adherency, deposition, to improve the droplet quantity for reaching target, drug effect is improved.In aviation plant protection low amounts
Pesticide diluted concentration is higher than 15 times or so conventional in spray process, and it is steady to be able to maintain medical fluid using product of the present invention in the case
It is fixed, and uniform spread is in 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 weeding suspending agent and preparation method thereof, and specific embodiment is as follows.
Embodiment 1
A kind of aviation low volume weeding suspending agent, is made of following parts by weight of component: 3.6 parts of Thidiazuron, diuron 1.8
Part, 1 part of cellulose, 1 part of methylated vegetable oils, 1 part of superbrnaching end-hydroxy polyester, 1 part of polyoxyethylene oleic acid ester, sodium polycarboxylate 1
Part, 10 parts of tridecanol ether, 0.01 part of organic silicon defoamer, 0.1 part of Arabic gum, 1 part of triethanolamine, 95 parts of water.
The preparation method of above-mentioned aviation low volume weeding 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 weeding suspending agent, is made of following parts by weight of component: 1 part of penoxsuam, glycogen 3
Part, 2 parts of ethylization vegetable oil, 2 parts of superbrnaching end-hydroxy polyester, 2 parts of octadecanol polyoxyethylene ether, 1 part of sodium lignin sulfonate,
1 part of trisiloxanes, 0.3 part of polyether antifoam agent, 1 part of acrylate, 3 parts of diethanol monoisopropanolamine, 77 parts of water.
The preparation method is the same as that of Example 1.
Embodiment 3
A kind of aviation low volume weeding suspending agent, is made of following parts by weight of component: 10 parts of cyhalofop-butyl, 5 parts of glycogen,
5 parts of polyfructosan, 5 parts of vegetable oil, 5 parts of superbrnaching end-hydroxy polyester, 2 parts of lauric acid polyoxyethylene ester, octadecanol polyoxy second
3 parts of alkene ether, 4 parts of sodium sulfate of polyethenoxy ether of fatty alcohol, 1 part of iso-octyl sodium sulphate, 10 parts of nekal, polyethers defoaming
1 part of agent, 2 parts of acrylic acid modified alkyd resin, 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 weeding suspending agent, is made of following parts by weight of component: 5 parts of topramezone, polyfructosan 5
Part, 5 parts of vegetable oil, 3 parts of superbrnaching end-hydroxy polyester, 4 parts of octadecanol polyoxyethylene ether, 3 parts of iso-octyl sodium sulphate, double 13
8 parts of alcohol sulfosuccinate sodium, 0.5 part of polyether antifoam agent, 1.5 parts of Arabic gum, 3 parts of polyisocyanate Propanolamine, 50 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 octadecanol polyoxyethylene ether, iso-octyl sodium sulphate are substituted for equivalent by this comparative example
Phenethyl phenol polyethenoxy 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
Glycogen, polyfructosan and vegetable oil 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, infiltration the time required to compared with
It is long.
There is synergistic effect for the verifying present invention field spraying to pesticide unmanned plane, using above-described embodiment 3,10% cyanogen
Fluorine grass emulsifiable concentrate and comparative example 1-4 have carried out prevention and treatment semen euphorbiae field control effectiveness test, and mentioned reagent dilutes 10 times with water first.It adopts
It uses big boundary MG-1 plant protection drone as spraying instrument, is mixed evenly and is administered, spray rate: 0.30L/min, operation
Flying speed: 5m/s, flying height is 2 meters more than the top of ground rice field, in the case where wind speed is the breeze conditions of 3.6~5.2m/s
It is administered, 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 comparative example 1-4 preparation, compared to 10% cyhalofop-butyl missible oil, aviation low volume Herbicidal suspension prepared by the present invention
Agent has preferable prevention and control of plant diseases, pest control effect.
In summary, aviation low volume weeding suspending agent of the invention, preparation and application is simple, in a variety of auxiliary agents
Collective effect under, suspending agent has without volatile organic solvent, that partial size is smaller than Conventional suspending agents, surface tension is low etc. is excellent
Point 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 weeding 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 weeding suspending agent according to claim 1, which is characterized in that the pesticide original medicine is solid
Body, 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 weeding suspending agent according to claim 2, which is characterized in that the pesticide original medicine includes cyanogen
Fluorine grass ester, penoxsuam, atrazine, mesotrione, nicosulfuron, flufenacet, Thidiazuron, diuron, topramezone, alkene
One or more of humulone, dichloro quinolinic acid, bensulfuron-methyl, Quizalotop-ethyl, azoles humulone, florasulam, fluoroglycofen-ethyl.
4. aviation low volume weeding suspending agent according to claim 1, which is characterized in that the polysaccharide be cellulose,
One of starch, glycogen, polyfructosan are a variety of；
The oils is one of vegetable oil, methylated vegetable oils, ethylization vegetable oil or a variety of.
5. aviation low volume weeding suspending agent according to claim 1, which is characterized in that the non-ionic surface active
Agent further includes that octadecanol polyoxyethylene ether, propylene glycol block polyether, allyl alcohol polyether, polyoxyethylene oleic acid ester, lauric acid are poly-
One of ethylene oxide 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 weeding suspending agent according to claim 1, which is characterized in that the wetting agent is isomery ten
Three alcohol ethers, double tridecanol sulfosuccinate sodium, nekal, alkylnaphthalene sulfonate condensation product, in trisiloxanes
It is one or more.
7. aviation low volume weeding suspending agent according to claim 1, which is characterized in that the defoaming agent is organosilicon
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 weeding suspending agent of claim 1 to 7 characterized by comprising
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 weeding suspending agent of claim 1 to 7, which is characterized in that spraying
When pesticide do not dilute or diluted concentration is lower than 100 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910113144.0A CN109805006B (en) | 2019-02-13 | 2019-02-13 | Aviation low-amount spray weeding suspending agent and preparation and use methods thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910113144.0A CN109805006B (en) | 2019-02-13 | 2019-02-13 | Aviation low-amount spray weeding suspending agent and preparation and use methods thereof |
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| CN109805006A true CN109805006A (en) | 2019-05-28 |
| CN109805006B CN109805006B (en) | 2021-11-19 |
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