CN107047548B - Anti-drift agent, spraying aid comprising anti-drift agent, and preparation method and application of spraying aid - Google Patents
Anti-drift agent, spraying aid comprising anti-drift agent, and preparation method and application of spraying aid Download PDFInfo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
- A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
- A01N25/06—Aerosols
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/30—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
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Abstract
The invention provides an anti-drift agent, which comprises one or more of rosin modified phenolic resin, acrylic polymer, modified alkyd resin, hydroxy acrylic resin, oil-soluble phenolic resin and alcohol-soluble phenolic resin. The invention also discloses a spraying auxiliary agent which comprises a solvent and the anti-drift agent. The spray assistant provided by the invention can effectively slow down the gasification of the fog drops, inhibit the evaporation of the fog drops, prevent the volume of the fog drops from rapidly becoming smaller, and further realize the effect of effectively inhibiting the drift of the fog drops.
Description
Technical Field
The invention belongs to the technical field of pesticide additives, and particularly relates to an anti-drift agent for inhibiting fog drop drift, a spray additive prepared from the anti-drift agent, and a preparation method and application of the spray additive.
Background
With the increasing degree of agricultural mechanization, the technology of spraying pesticides, herbicides, insecticides, fertilizers and the like to crops by using airplanes has become more and more popular, which not only can realize quick and large-area pesticide application and fertilizer application, but also can save a large amount of manpower and reduce the cost. In the process of spraying by an airplane, the drifting and the surface tension of the fog drops are important factors influencing the spraying effect. The drifting of the fog drops is caused by that the fog drops are gasified and the solvent is evaporated, so that the volume and the weight of the fog drops are reduced, the motion track of the fog drops is deviated, and the target crops are further deviated; the large surface tension of the fog drops can cause the fog drops to splash and roll off when falling on the target crops, and the fog drops cannot be adhered and spread on the target crops. At present, the mechanical spraying is often added with a spraying aid to solve the problems, and the spraying aid can change the physical characteristics of spraying droplets and help active components in the spraying droplets to quickly permeate into target crops. However, as the airplane spraying has the characteristics of high operation speed, long distance from a target crop and the like, fog drops are easy to drift in the spraying process, and the fog drops fall on the surface of the crop and are easy to splash, so that the spraying auxiliary agent is required to have good anti-drift capability and capability of reducing the surface tension of the fog drops, and the existing common spraying auxiliary agent cannot meet the requirements.
In the prior art, chinese patent document CN103355288A discloses a light oxidation-resistant vegetable oil spray adjuvant for pesticide preparations, and a preparation method thereof, the spray preparation comprises a wetting agent, fatty alcohol-polyoxyethylene ether, an antioxidant, a penetrant and methyl-esterified vegetable oil, and by selecting polyethoxy-modified trisiloxane as the wetting agent and azone as the penetrant, the surface tension of mist drops is reduced, so that the mist drops are not easy to splash and roll off, and the retention time of the mist drops on target crops is increased.
Disclosure of Invention
Therefore, the first technical problem to be solved by the present invention is to overcome the defect of droplet drift in aerial spraying in the prior art, and to provide an anti-drift agent, a spraying aid comprising the same, and a preparation method and application thereof.
The second technical problem to be solved by the invention is to overcome the defect that the surface of the fog drops in the prior art is large in size and easy to splash or roll off, so that the anti-drift agent, the spraying assistant comprising the anti-drift agent, and the preparation method and the application of the anti-drift agent are provided.
An anti-drift agent, comprising,
one or more of rosin modified phenolic resin, acrylic polymer, modified alkyd resin, hydroxy acrylic resin, oil-soluble phenolic resin and alcohol-soluble phenolic resin.
The spray assistant comprises a solvent and the anti-drift agent.
Preferably, the spray aid further comprises an adhesive, wherein the adhesive is one or more selected from xanthan gum, cellulose ether derivatives, polyvinyl alcohol, polyvinylpyrrolidone, polyethylene glycol, PVP/hexadecene copolymer and copovidone.
Preferably, in the spraying aid, the solvent is plant essential oil.
Preferably, the spray assistant further comprises a spreader, wherein the spreader is one or more selected from fluorocarbon surfactant, polyethoxylated fatty alcohol, dioctyl sodium sulfosuccinate, alkylphenol polyoxyethylene, azone and thiaketone.
Preferably, the spray auxiliary agent further comprises an emulsifier, wherein the emulsifier is selected from one or more of tristyrylphenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, isomeric alcohol polyoxyethylene ether, alkylphenol polyoxyethylene ether, sorbitan monooleate polyoxyethylene ether and EO/PO block polyether (polyoxyethylene (EO) and Polyoxypropylene (PO)).
Preferably, in the spray assistant, the anti-drift agent is rosin modified phenolic resin.
Preferably, in the spraying aid, the spraying aid comprises, in parts by weight: 48-95 parts of plant essential oil, 5-40 parts of emulsifier, 0.05-5 parts of spreader, 0.05-5 parts of anti-drift agent and 0.05-2 parts of adhesive.
Preferably, in the spraying aid, the spraying aid comprises, in parts by weight: 48-95 parts of plant essential oil, 15-20 parts of emulsifier, 3-5 parts of spreader, 2-3 parts of anti-drift agent and 0.5-1 part of adhesive.
A method of making the spray aid comprising the steps of:
and adding one or more of an emulsifier, a spreader, an anti-drift agent and an adhesive into the solvent, and uniformly stirring to obtain the spray auxiliary agent.
The anti-drift agent is applied to inhibiting evaporation of volatile components.
The spray assistant is applied to mechanical spray synergism.
The technical scheme of the invention has the following advantages:
1. the invention provides an anti-drift agent, which comprises one or more of rosin modified phenolic resin, acrylic polymer, modified alkyd resin, hydroxy acrylic resin, oil-soluble phenolic resin and alcohol-soluble phenolic resin; the anti-drift agent can effectively slow down the gasification of the fog drops, inhibit the vaporization of the fog drops, prevent the volume of the fog drops from rapidly becoming small, and further realize the effect of effectively inhibiting the drift of the fog drops.
2. The invention provides a spray auxiliary agent, which is characterized in that a spreader, an emulsifier and plant essential oil are added; the surface tension of the fog drops is effectively reduced, the fog drops are prevented from splashing and rolling down when falling onto the target crops, the contact area of the fog drops and the target plants is increased, and the opportunity that effective components in the fog drops are absorbed by the target crops is increased;
the plant essential oil added in the invention has good solubility, good affinity with target crops, easy penetration into crops, low volatility, strong wet spreading property and rain erosion resistance, and is free of phytotoxicity and environment-friendly.
3. After the liquid in the fog drops is evaporated, the residual solid matter is firmly bonded on the target crops, so that the retention time of the active ingredients on the target crops is prolonged, and the pesticide effect of spraying is improved.
Detailed Description
The technical solutions of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The plant essential oil used in the following examples was selected from the group consisting of Eucalyptus 115 essential oil from HCF, France. The plant essential oil of the present invention is not limited to the plant essential oils of the manufacturers and models provided above.
Example 1
The embodiment provides a preparation method of a spraying aid, which comprises the following steps:
5Kg of rosin modified phenolic resin (Nippon sumitomo chemical PR-12603) and 48Kg of plant essential oil are mixed and stirred uniformly to obtain the spray auxiliary agent.
In the present embodiment, the rosin-modified phenol resin is not limited to the above-mentioned one.
Example 2
The embodiment provides a preparation method of a spraying aid, which comprises the following steps:
0.1Kg of acrylic polymer (Sumika Gel S-50 of Sumitomo chemical, Japan) was mixed with 90Kg of plant essential oil and stirred uniformly to obtain a spray aid.
The acrylic polymer in this example is not limited to the above-mentioned ones.
Example 3
The embodiment provides a preparation method of a spraying aid, which comprises the following steps:
mixing 40Kg of tristyrylphenol polyoxyethylene ether (Trtspe-18, Taiwan Shouguang) with 48Kg of plant essential oil, stirring uniformly, adding 5Kg of polyethoxylated fatty alcohol (Emulan LVA, Basff company), stirring uniformly, adding 0.05Kg of modified alkyd resin (458W of UNTHANE series, Arkema, Ack. France), stirring uniformly, adding 0.05Kg of cellulose ether, and stirring uniformly to obtain the spray assistant.
In this embodiment, the tristyrylphenol polyoxyethylene ether, the polyethoxylated fatty alcohol, and the modified alkyd resin are not limited to the above manufacturers.
Example 4
The embodiment provides a preparation method of a spraying aid, which comprises the following steps:
5Kg of fatty alcohol-polyoxyethylene ether (Pasteur Lutensol A9N, Germany) is mixed with 95Kg of plant essential oil, 0.05Kg of dioctyl sodium sulfosuccinate (Hensman Empimin OT-75) is added after uniform stirring, 5Kg of hydroxyacrylic resin (225 BA50 of SYNOCURE series of Arkema company) is added after uniform stirring, 2Kg of polyvinyl alcohol is added after uniform stirring, and the spraying aid is obtained.
In this embodiment, the fatty alcohol-polyoxyethylene ether, the dioctyl sodium sulfosuccinate, and the hydroxy acrylic resin are not limited to the above manufacturers.
Example 5
The embodiment provides a preparation method of a spraying aid, which comprises the following steps:
15Kg of isomeric alcohol polyoxyethylene ether (German Basff Lutensol TO-5) and 60Kg of plant essential oil are mixed, after being stirred uniformly, 5Kg of alkylphenol polyoxyethylene ether (HAIAN petrochemical SOPE-10) is added, after being stirred uniformly, 2Kg of oil-soluble phenolic resin (2402 resin) is added, after being stirred uniformly, 1Kg of polyethylene glycol is added, and after being stirred uniformly, the spraying assistant is obtained.
In this embodiment, the alkylphenol ethoxylates, the isomeric alcohol polyoxyethylene ethers, and the oil-soluble phenol-formaldehyde resin are not limited to the above-mentioned manufacturers.
Example 6
The embodiment provides a preparation method of a spraying aid, which comprises the following steps:
20Kg of sorbitan monooleate polyoxyethylene ether (British grass Tween80) and 80Kg of plant essential oil are mixed, after being uniformly stirred, 3Kg of azone is added, after being uniformly stirred, 3Kg of alcohol-soluble phenolic resin (WR 5090 of American MWV company) is added, after being uniformly stirred, 0.5Kg of PVP/hexadecene copolymer (Antaron V-216 water-resistant film forming agent of American ISP speciality company) is added, and after being uniformly stirred, the spraying auxiliary agent is obtained.
In this embodiment, the sorbitan monooleate polyoxyethylene ether, the alcohol-soluble phenol resin and the PVP/hexadecene copolymer are not limited to the above-mentioned manufacturers.
Example 7
The embodiment provides a preparation method of a spraying aid, which comprises the following steps:
mixing EO/PO block polyether 15Kg (PE 10500 of Pasteur Pluronic series, Germany) and plant essential oil 72Kg, stirring, adding fluorocarbon surfactant 4Kg (FS-1010 of Zonyl series adjuvant of Dupont), stirring, adding rosin modified phenolic resin 3Kg (SYLVARES TP7042 of Arizona), stirring, adding copovidone 1Kg (copolymer of vinylpyrrolidone and vinyl acetate of ISP, USA)
S-630), stirringAnd (4) homogenizing to obtain the spray auxiliary agent.
In this embodiment, the EO/PO block polyether (polyoxyethylene (EO), Polyoxypropylene (PO)), the fluorocarbon surfactant, the rosin-modified phenolic resin, and the copovidone are not limited to the above-mentioned manufacturers.
Example 8
The embodiment provides a preparation method of a spraying aid, which comprises the following steps:
20Kg of EO/PO block polyether (PE 10500 of the Pasteur Pluronic series, Germany) was mixed with 77Kg of plant essential oil, stirred well, then 3.5Kg of fluorocarbon surfactant (Stokes chemical) was added
) After being stirred uniformly, 2.5Kg of rosin modified phenolic resin (American Istman Poly-Pale Ester 10) is added, after being stirred uniformly, 1Kg of xanthan gum is added, and the spraying aid is obtained after being stirred uniformly.
In this embodiment, the EO/PO block polyether, the fluorocarbon surfactant, and the rosin-modified phenolic resin are not limited to the above manufacturers.
Example 9
The embodiment provides a preparation method of a spraying aid, which comprises the following steps:
20Kg of EO/PO block polyether (PE 10500 of the Pasteur Pluronic series, Germany) was mixed with 77Kg of plant essential oil, stirred well, then 3.5Kg of fluorocarbon surfactant (Stokes chemical) was added
100) After being stirred uniformly, 2.5Kg of rosin modified phenolic resin (American Istman Poly-Tile Ester 10) is added and stirred uniformly, thus obtaining the spray auxiliary agent.
In this embodiment, the EO/PO block polyether, the fluorocarbon surfactant, and the rosin-modified phenolic resin are not limited to the above manufacturers.
Comparative example 1
The embodiment provides a preparation method of a spraying aid, which comprises the following steps:
20Kg of EO/PO block polyether (Bass Germany)PE10500 of FuPluronic series and 77Kg of plant essential oil were mixed and stirred well, then 3.5Kg of fluorocarbon surfactant (Schrocco chemical) was added
100) And after uniformly stirring, adding 1Kg of xanthan gum, and uniformly stirring to obtain the spraying aid.
Comparative example 2
The embodiment provides a preparation method of a spraying aid, which comprises the following steps:
4.5Kg of wetting agent silwet408, 5Kg of fatty alcohol-polyoxyethylene ether, 0.5Kg of antioxidant tert-butyl hydroquinone, 1Kg of penetrant azone and 39Kg of methyl oleate are mixed and stirred uniformly to obtain the seed spray auxiliary agent.
Example of Effect verification
Preparing a spraying liquid medicine: pesticides (dupont "kangba" 20% chlorantraniliprole);
diluting the pesticide to obtain a pesticide diluent, adding a spraying synergistic mixture with the mass of 2% of the pesticide diluent, and uniformly mixing to obtain a spraying liquid medicine;
spray formulations prepared using the above-described methods using the spray aids of examples 1-9, respectively, are identified by numbers S1-S9, and spray formulations prepared using the spray formulations of comparative examples 1 and 2, respectively, are identified by numbers D1 and D2; the diluted agricultural chemical solution to which no adjuvant was added was referred to as "facing" and corresponds to number D3.
1. Detection of evaporation time:
the spraying liquid medicines with the numbers of S1-S9 and D1 and D2 are respectively dripped on 5 blades to form liquid drops with the diameter of 250 mu m, 5 liquid drops are dripped on each blade, the blades are placed at room temperature (25 ℃, the relative air humidity is 60%) for drying, when the liquid in the fog drops is completely evaporated to dryness under microscopic magnification, the evaporation completion time of the fog drops is recorded, and the test results are shown in the table I.
TABLE I, fog droplet Evaporation completion time
It can be seen from the table one that the liquid evaporation completion time of the spray liquid medicine to which the spray aids prepared in examples 1 to 9 were added was significantly longer than that of the spray liquid medicine to which the spray aids prepared in comparative examples 1 and 2 were added, thereby proving that the spray aids prepared in examples 1 to 9 were effective in delaying the volatilization of the liquid and preventing the drift of the mist droplets.
2. Droplet deposition effect detection
Test equipment: remote control unmanned aerial vehicle (Dajiang MG-1), water sensitive paper, scanner, microscope and Depositscan software.
Test field: the area is 2000 square meters, and the plant is gramineous plant-rice; the distance between the adjacent fog droplet collecting points in the transverse direction and the longitudinal direction is 30 cm;
test method
Dividing the test field into five parts, and spraying liquid medicine of S1, S8, S9, D2 or D3 on each part by adopting an unmanned aerial vehicle. The relevant parameters of the aircraft flight are: flight speed of the unmanned aerial vehicle: 5.5 m/s; flight height of the unmanned aerial vehicle: 1.5 meters away from the top of the crop; the flight control of the airplane is a 'extreme flight X2' flight control system.
Fixing the water sensitive paper at the top (top), middle (middle) and bottom (bottom) target positions of the crop to be measured, and collecting and counting the fogdrops by adopting a method meeting the requirement of mathematical statistics. And (3) processing the fog drops on the water-sensitive paper by using professional fog drop analysis software DepositScan to obtain the deposition density and coverage rate of the fog drops (the total area covered by the spray drops on the test paper accounts for the area of the test paper) and the median volume diameter (MVD, the optimal fog drop range of pesticide control effect: 200-250 mu m) of the contact fog drops on the surface of the test paper, wherein the detection results are shown in the second table.
TABLE II, fogdrop deposition data sheet
From table two, it can be seen that the coverage of the spray chemical solutions S1, S8, S9 added with the spray aids of examples 1, 8 and 9 on the crops and the density of the droplets on each plant level (top, headquarters, bottom) are significantly higher than the coverage of the spray chemical solution D2 and the control solution D3 added with comparative example 2 and the density of the droplets on each plant level. Thus, the spray additives prepared in examples 1 to 9 can effectively prevent the droplets from drifting and greatly reduce the surface tension of the droplets, thereby improving the deposition effect of the liquid medicine droplets on the surfaces of crops and further improving the pesticide effect.
3. Detection of the adhesion Effect of active ingredients
Test equipment: remote control unmanned aerial vehicle (Da Jiang MG-1), automatic spray system, high performance liquid chromatography.
Test field: the area is 500 square meters, and the plant is gramineous plant-rice; the distance between the adjacent fog droplet collecting points in the transverse direction and the longitudinal direction is 30 cm;
test method
Dividing the test field into five parts, and spraying liquid medicine of S1, S8, S9, D2 or D3 on each part by adopting an unmanned aerial vehicle. The relevant parameters of the aircraft flight are: flight speed of the unmanned aerial vehicle: 5.5 m/s; flight height of the unmanned aerial vehicle: 1.5 meters away from the top of the crop; the flight control of the airplane is a 'extreme flight X2' flight control system.
After spraying on the leaf surfaces of crops for 16 hours, manually simulating rainfall by using an automatic spraying system, carrying out rainfall 2 hours (2 hours of cumulative rainfall is 10.4mm) on a test field in a medium rainfall mode, collecting 10 collection points (collecting effective components on the top surface, the middle surface and the bottom surface of the crops at each collection point) in each part of the test field sprayed with S1, S8, S9, D2 or D3, detecting the content of the effective components in the collection points by using a high performance liquid chromatograph, calculating the average value, and calculating the percentage of the retention amount of the effective components on the collection points after rainfall, wherein the result is shown in table III;
after spraying on the leaf surfaces of crops for 72 hours, manually simulating rainfall by using an automatic spraying system, carrying out rainfall 4 hours (the 4-hour accumulated rainfall is 26.8mm) on a test field in a heavy rainfall mode, randomly selecting 10 collection points (collecting the effective components of the top surface, the middle surface and the bottom surface of the crops at each collection point) in each part of the test field sprayed with S1, S8, S9, D2 or D3, detecting the content of the effective components of the collection points by using a high performance liquid chromatograph, calculating the average value, and calculating the percentage of the retention amount of the effective components on the collection points after rainfall, wherein the result is shown in table III;
TABLE III test results of adhesion retention of active ingredients
It can be seen from table three that the residual amount of the active ingredients in the spraying liquid medicines S1, S8 and S9 added with the spraying aids of examples 1, 8 and 9 is obviously higher than the residual amount of the active ingredients in the spraying liquid medicine D2 added with comparative example 2 and the spraying liquid medicine D3 added with the comparative medicament example on the surfaces of crops after medium rainfall and strong rainfall, so that the spraying aids prepared in examples 1 to 9 can bond the active ingredients on the crops, prolong the retention time of the crops on the plants, prevent rain water from rushing out, improve the adhesion effect of the active ingredients in the liquid medicine fog drops on the surfaces of the crops, prolong the duration and reduce the dosage.
By way of example, and not by way of limitation. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (5)
1. The spray assistant comprises a solvent and is characterized by also comprising an anti-drift agent;
the anti-drift agent is rosin modified phenolic resin;
the adhesive is xanthan gum;
the solvent is plant essential oil;
the adhesive also comprises a spreader, wherein the spreader is a fluorocarbon surfactant;
the emulsifier is EO/PO block polyether.
2. The spraying assistant according to claim 1, wherein the spraying assistant comprises, by weight, 48-95 parts of vegetable essential oil, 5-40 parts of an emulsifier, 0.05-5 parts of a spreader, 0.05-5 parts of an anti-drift agent, and 0.05-2 parts of an adhesive.
3. The spraying assistant according to claim 2, wherein the spraying assistant comprises, by weight, 48-95 parts of vegetable essential oil, 15-20 parts of an emulsifier, 3-5 parts of a spreader, 2-3 parts of an anti-drift agent, and 0.5-1 part of an adhesive.
4. A process for preparing a spray aid according to any one of claims 1 to 3, comprising the steps of:
and adding an emulsifier, a spreader, an anti-drift agent and an adhesive into the solvent, and uniformly stirring to obtain the spray auxiliary agent.
5. Use of a spray aid according to any one of claims 1 to 3 in mechanical spray enhancement.
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| CN110583636A (en) * | 2018-06-13 | 2019-12-20 | 江苏龙灯化学有限公司 | Pesticide adjuvant suitable for agriculture and application thereof |
| CN108967420A (en) * | 2018-09-01 | 2018-12-11 | 深圳诺普信农化股份有限公司 | A kind of nanometer of plant oil assistant and preparation method thereof |
| CN111226996B (en) * | 2020-03-25 | 2021-10-26 | 浙江新安化工集团股份有限公司 | Spraying auxiliary agent and application thereof |
| BR112022017297A2 (en) * | 2020-04-10 | 2022-11-16 | Kao Corp | METHOD FOR TREATMENT OF A PLANT, AND COMPOSITION OF AGROCHEMICAL EFFECTIVENESS ENHANCEMENT AGENT |
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