CN103299993B - Fog drop evaporation retardant - Google Patents
Fog drop evaporation retardant Download PDFInfo
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- CN103299993B CN103299993B CN201310284870.1A CN201310284870A CN103299993B CN 103299993 B CN103299993 B CN 103299993B CN 201310284870 A CN201310284870 A CN 201310284870A CN 103299993 B CN103299993 B CN 103299993B
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Abstract
The invention relates to a fog drop evaporation retardant which can restrain moisture evaporation of fog drops when the fog drops fall in the air during a mist spray process of a plane in agriculture, and also contains caking, weight-increasing and cohesive components, auxiliary components and water. The inhibitor mainly restrains evaporation of the fog drops in a dropping process by changing the weight and the viscosity of a liquid medicine. After the retardant is used, the viscosity of the liquid medicine is heavy, the free movement space of particles is reduced, the movement of water molecules is also reduced, and thus the evaporation of the moisture is reduced; after atomization, the number of small fog drops is reduced, the weight of the small fog drops is increased, the sizes of the fog drops are uniform, and the fog drops better settle on crops.
Description
Technical field
The present invention relates in agriculturally aerial spraying process, suppress a kind of fog drop evaporation retardant of the droplet evaporation of moisture in descent aloft.
Background technology
In the face of the disease pest and weed again and again occurred, nowadays aerial spraying has been a kind of extremely important and application method timely and effectively, is characterized in rapidly and efficiently, not low, a tractor serves several purposes of damage crops, labour intensity etc.
Aerial spraying technology increases operating efficiency significantly, has saved the time, save labour compared with traditional plant protection apparatus.But aircraft is very large by the impact of environment in operation process, should select in low temperature, high humidity, weather operation (Ba Weiguo, agricultural mechanization forum, the third phase in 1997) that crosswind is little as far as possible.If what spray is group water solution, moisture in droplet can evaporate, and droplet is diminished, and droplet drift just can reach target than the ground spraying longer time in atmosphere, some very little droplets evaporate completely possibly and become pure agricultural chemicals particle, these particles will float to the place of widing under the effect of ascending air, affect control efficiency (Wang Lijun, Jiang Minghai, Sun Wenfeng, Chen Baochang, agricultural research, the fifth phase in 2005).Therefore, the moisture of droplet is suppressed to flash in order to an important problem.The sedimentation of droplet directly affects control efficiency.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of fog drop evaporation retardant is provided.
A kind of fog drop evaporation retardant, is made up of cohesiveness composition, weightening finish property composition, coherency composition, auxiliary element and water; Wherein the percentage by weight of cohesiveness composition, weightening finish property composition, coherency composition is respectively 0.1%-10%, 0.5%-15%, 0.05%-5%; Auxiliary element is oil, auxiliary agent, antifreezing agent, suspension stabilizer and wetting agent, and its percentage by weight is respectively 20%-50%, 0.1-20%, 2%-25%, 0.1%-20% and 0.1%-10%; Surplus is water; The weight ratio sum of each component of described fog drop evaporation retardant is 100%.
Described cohesiveness composition be selected from methylcellulose, hydroxypropyl methylcellulose, ethylhydroxyethylcellulose, methylhydroxypropylcellulose, Sodium Polyacrylate, methylhydroxypropylcellulose, guar gum, chitosan, gum Arabic, xanthans, butadiene-styrene rubber one or more; Described weightening finish composition be selected from urea, calcium chloride, sodium chloride, ammonium acetate, ammonium sulfate, carbonic hydroammonium, sodium potassium tartrate tetrahydrate one or more; Described coherency composition be selected from polyvinylpyrrolidone, polyethylene glycol oxide, polyacrylic acid, polyvinyl alcohol one or more.
Described oil is one or more in cottonseed oil, soya-bean oil, white oil, mineral oil, methyl esters oil, diesel oil, kerosene.
Described auxiliary agent is calcium dodecyl benzene sulfonate, styrylphenol polyoxyethylene ether, fatty alcohol-polyoxyethylene ether, organosilicon, oleic acid sorbitol ester, 0711B(soybean oil special assistant), one or more in alkylphenol-polyethenoxy polyethenoxy ether, condensation compound of alkyl phenol and epoxy ethane, polyoxyethylene sorbitan monooleate.
Described antifreezing agent is one or more in ethylene glycol, glycerine, propane diols, polyethylene glycol, sorbierite.
Described suspension stabilizer is one or more in xanthan gum, sodium carboxymethylcellulose, Sodium Polyacrylate, precipitated calcium carbonate.
Described wetting agent be pull open in powder, lauryl sodium sulfate, neopelex one or more.
The preparation method of above-mentioned fog drop evaporation retardant is:
When room temperature is 18 DEG C-25 DEG C, used additives removes oil emulsion, fully stirs.Go to dissolve weightening finish property material with a small amount of water, until completely dissolved, pour in the good oil of emulsification, fully stir with glass bar.By a small amount of water-soluble solution of cohesiveness material, stir, leave standstill after 4 hours, pour in the good oil of emulsification.Add a certain amount of antifreezing agent and coherency material fully stirs, by it mixed at high speed mulser down cut 1 minute, leave standstill 30 minutes, then add suspension stabilizer, wetting agent while stirring, be mixed with above-mentioned fog drop evaporation retardant.
Fog drop evaporation retardant of the present invention is by changing the weight of liquid and viscosity thus suppressing the evaporation of droplet in descent.The increase of viscosity, decreases the space of Particle free activity, also just decreases the motion of hydrone, and then reduces the evaporation of moisture.Add this inhibitor in liquid after, due to the effect such as thickener, salt, liquid viscosity becomes large, and weight becomes large, and the resistance of droplet by air in descent can reduce, and dehydration is corresponding minimizing also.Thus liquid is better deposited on crop, play drug effect.
Embodiment
In order to better the present invention is described, be further described below by embodiment.
Embodiment 1
When room temperature 20 DEG C, get styrylphenol polyoxyethylene ether 0.1g, condensation compound of alkyl phenol and epoxy ethane 1.2g, fatty alcohol-polyoxyethylene ether 0.5g remove emulsification 7g mineral oil, 2g diesel oil, fully stir.Get 3g water to go to dissolve 0.6g calcium chloride and 0.5g ammonium acetate, after dissolving completely, pour in the good oil of emulsification, fully stir with glass bar.Get 0.1g guar gum and by the water-soluble solution of 2.5g, pour in the good oil of emulsification after leaving standstill 4h.Add 1.5g ethylene glycol, it at mixed at high speed mulser down cut 1min, is left standstill 30min by 0.1g polyvinylpyrrolidone.Finally add Sodium Polyacrylate 0.2g while stirring, pull open powder 0.15g.
Embodiment 2
Get calcium dodecyl benzene sulfonate 0.2g, fatty alcohol-polyoxyethylene ether 0.8g, polyoxyethylene sorbitan monooleate 0.3g removes emulsification 6g diesel oil, fully stirs.Getting 2.5g water as dissolved 1g urea, 0.5g sodium chloride, pouring in the good oil of emulsification after dissolving completely.Get the water-soluble solution of xanthans 0.1g 2g, leave standstill 4 hours after stirring, pour in the good oil of emulsification.Add glycerine 1.5g, polyvinylpyrrolidone 0.1g, by it at mixed at high speed mulser down cut 1min, then leave standstill 30min.Add sodium carboxymethylcellulose 0.2g while stirring, neopelex 0.1g.
Embodiment 3
Get calcium dodecyl benzene sulfonate 0.2g, condensation compound of alkyl phenol and epoxy ethane 1g, polyoxyethylene sorbitan monooleate 0.3g remove emulsification 3g diesel oil, 4g mineral oil.Abundant stirring.Getting 2.5g water as dissolved 0.8g sodium chloride, 0.5g ammonium sulfate, pouring in the good oil of emulsification after dissolving completely.Get the water-soluble solution of gum Arabic 0.1g 2g, leave standstill 4 hours after stirring, pour in the good oil of emulsification.Add glycerine 0.5g, ethylene glycol 1g, polyvinylpyrrolidone 0.1g, by it at mixed at high speed mulser down cut 1min, then leave standstill 30min.Add Sodium Polyacrylate 0.2g while stirring, neopelex 0.15g.
Embodiment 4
When room temperature 20 DEG C, get calcium dodecyl benzene sulfonate 1.2g, polyoxyethylene sorbitan monooleate 0.3g, fatty alcohol-polyoxyethylene ether 0.2g remove emulsification 6g white oil, fully stir.Get 2g water to go to dissolve 1.2g urea, after dissolving completely, pour in the good oil of emulsification, fully stir with glass bar.Get the water-soluble solution of 0.1g xanthans 2.5g, pour in the good oil of emulsification after leaving standstill 4h.Add ethylene glycol 1.5g, sorbierite 0.5g, polyvinylpyrrolidone 0.1g, by it at mixed at high speed mulser down cut 1min, leave standstill 30min.Finally add Sodium Polyacrylate 0.2g while stirring, pull open powder 0.1g.
Embodiment 5
When room temperature 20 DEG C, get oleic acid sorbitol ester 0.5g, calcium dodecyl benzene sulfonate 0.8g removes diesel oil emulsification 5g white oil, fully stirs.Get 2g water to go to dissolve 1.2g urea, after dissolving completely, pour in the good oil of emulsification, fully stir with glass bar.Get 0.1g butylbenzene rubber, the water-soluble solution of 0.1g xanthans 2.5g, pour in the good oil of emulsification after leaving standstill 4h.Add propane diols 1g, sorbierite 0.5g, polyvinyl alcohol 0.1g, by it at mixed at high speed mulser down cut 1min, leave standstill 30min.Finally add Sodium Polyacrylate 0.2g while stirring, lauryl sodium sulfate 0.1g.
The present invention adopts self-control micro-weighing method, and method is as follows:
Method 1
One-tenth fumicants embodiment 1 of the present invention prepared, the quality of inhibitor and water is that 1:3 dilutes than ratio.Getting a slide is put on ten thousand/electronic balance, and fetch water respectively and inhibitor 10ul after diluting, drip on slide, record drop weight now, records a weight, until 30min every 5min afterwards.Repeat 3 times, average.
Fog drop evaporation retardant after table 1 water and dilution 3 times is at the evaporativity (method 1) of different time
Evaporativity (%)=(G
former-G
after)/G
former× 100
G
former=drop initial weight, G
afterdrop weight after=different time
Method 2
In order to better simulate fog drips skyborne effect, made the easy device hanging drop by oneself, water intaking and the droplet inhibitor 5ul after diluting 3 times drop on device, form drop suspension status, record drop weight now, manual simulation's natural wind, average wind is 1.5 grades.After 20s, record weight, every 20s records a weight afterwards, records 6 times altogether.In triplicate, average.
Fog drop evaporation retardant after table 2 water and dilution 3 times is at the evaporativity (method 2) of different time
The computational methods of evaporativity are with method 1.
As can be seen from Table 1 and Table 2, within the different time, the evaporation of water rate adding fog drop evaporation retardant is all less than not with the evaporation of water rate of evaporation suppressor.By method 1, when 30min, the evaporativity having added inhibitor is 40.6%, and evaporation of water rate is 79.2%; By method 2, when 120s, added the evaporativity ability 27.3% of inhibitor, and evaporation of water rate reaches 43.7%.Therefore, can find out that this fog drop evaporation retardant has certain inhibitory action to moisture evaporation.
Claims (1)
1. a fog drop evaporation retardant, is characterized in that: be made up of cohesiveness composition, weightening finish property composition, coherency composition, auxiliary element and water; Wherein the percentage by weight of cohesiveness composition, weightening finish property composition, coherency composition is respectively 0.1%-10%, 0.5%-15%, 0.05%-5%; Auxiliary element is oil, auxiliary agent, antifreezing agent, suspension stabilizer and wetting agent, and its percentage by weight is respectively 20%-50%, 0.1-20%, 2%-25%, 0.1%-20% and 0.1%-10%; Surplus is water; The weight ratio sum of each component of described fog drop evaporation retardant is 100%;
Described cohesiveness composition be selected from methylcellulose, hydroxypropyl methylcellulose, ethylhydroxyethylcellulose, methylhydroxypropylcellulose, Sodium Polyacrylate, guar gum, chitosan, gum Arabic, xanthans, butadiene-styrene rubber one or more; Described weightening finish composition be selected from calcium chloride, sodium chloride, ammonium acetate, ammonium sulfate, carbonic hydroammonium, sodium potassium tartrate tetrahydrate one or more; Described coherency composition be selected from polyvinylpyrrolidone, polyethylene glycol oxide, polyacrylic acid, polyvinyl alcohol one or more;
Described auxiliary agent is one or more in calcium dodecyl benzene sulfonate, styrylphenol polyoxyethylene ether, fatty alcohol-polyoxyethylene ether, organosilicon, oleic acid sorbitol ester, 0711B, alkylphenol-polyethenoxy polyethenoxy ether, condensation compound of alkyl phenol and epoxy ethane, polyoxyethylene sorbitan monooleate;
Described antifreezing agent is one or more in ethylene glycol, glycerine, propane diols, polyethylene glycol, sorbierite;
Described suspension stabilizer is one or more in xanthan gum, sodium carboxymethylcellulose, Sodium Polyacrylate, precipitated calcium carbonate;
Described wetting agent be pull open in powder, lauryl sodium sulfate, neopelex one or more;
Described oil is one or more in cottonseed oil, soya-bean oil, mineral oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310284870.1A CN103299993B (en) | 2013-07-08 | 2013-07-08 | Fog drop evaporation retardant |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310284870.1A CN103299993B (en) | 2013-07-08 | 2013-07-08 | Fog drop evaporation retardant |
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| CN103299993A CN103299993A (en) | 2013-09-18 |
| CN103299993B true CN103299993B (en) | 2015-04-15 |
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| CN106916013B (en) * | 2017-03-16 | 2018-05-15 | 中化化工科学技术研究总院 | Fog drop evaporation retardant and its preparation and application |
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| CN108996626A (en) * | 2018-08-08 | 2018-12-14 | 山东奇士登润滑科技有限公司 | A kind of Industrial Water Saving agent and preparation method thereof |
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| CN109805006B (en) * | 2019-02-13 | 2021-11-19 | 中化化工科学技术研究总院有限公司 | Aviation low-amount spray weeding suspending agent and preparation and use methods 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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| WO1989007888A1 (en) * | 1988-03-02 | 1989-09-08 | The Wellcome Foundation Limited | Spray formulations |
| CN1694620A (en) * | 2002-11-04 | 2005-11-09 | 罗伯特·内维尔·奥布赖恩 | Process for making larvicidal evaporation suppressant powder |
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| WO2012022164A1 (en) * | 2010-08-20 | 2012-02-23 | Rhodia (China) Co., Ltd. | Soil additives for promoting seed germination and prevention of evaporation and methods for using the same |
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2013
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| WO1989007888A1 (en) * | 1988-03-02 | 1989-09-08 | The Wellcome Foundation Limited | Spray formulations |
| CN1694620A (en) * | 2002-11-04 | 2005-11-09 | 罗伯特·内维尔·奥布赖恩 | Process for making larvicidal evaporation suppressant powder |
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| CN102858312A (en) * | 2010-04-27 | 2013-01-02 | 花王株式会社 | Aqueous composition contained in container |
| WO2012022164A1 (en) * | 2010-08-20 | 2012-02-23 | Rhodia (China) Co., Ltd. | Soil additives for promoting seed germination and prevention of evaporation and methods for using the same |
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