CN102826916A - Method for preparing microemulsion by mixing pesticide, liquid fertilizer and bioemulsifier - Google Patents
Method for preparing microemulsion by mixing pesticide, liquid fertilizer and bioemulsifier Download PDFInfo
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- CN102826916A CN102826916A CN2012103549280A CN201210354928A CN102826916A CN 102826916 A CN102826916 A CN 102826916A CN 2012103549280 A CN2012103549280 A CN 2012103549280A CN 201210354928 A CN201210354928 A CN 201210354928A CN 102826916 A CN102826916 A CN 102826916A
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Abstract
The invention discloses a method for preparing microemulsion by mixing a pesticide, a liquid fertilizer and bioemulsifier, which relates to a preparation method of microemulsion combining medicines and fertilizers, and mainly aims at solving the technical problems that microemulsion prepared by the existing method is poor in ageing stability, adopts a surfactant which causes phytotoxicity on plants, and is large in dosage. The method comprises the following steps of: weighing raw materials; preparing a uniform and transparent solution from the weighed raw materials; preparing a uniform and mixedly-dissolved solution; and mixing the pesticide, the liquid fertilizer and the bioemulsifier to prepare the microemulsion. The microemulsion prepared by the method overcomes the defect that the microemulsion is sensitive to temperatures and pH values, is good in aging stability, can be applied to disinsection, mite prevention and sterilization of the plants, and can promote growth regulation of the plants and supply nutrition and microelements to the plants.
Description
Technical field
The present invention relates to the preparation method of the microemulsion of combination of pesticide and fertilizer.
Background technology
In pesticide preparation, the research of water baseization is maked rapid progress, and country puts into effect relevant policies, encourages exploitation and good, the easy to use water base chemical preparation of Environmental compatibility, realizes agricultural chemicals Water-borne modification, combination of pesticide and fertilizerization, biological greenization.1984, Japanese Patent utilized negatively charged ion and nonionogenic tenside to succeed, U.S. Hrton using emulsion agent simultaneously and gather dielectric medium and also form method of manufacture.Microemulsion in China's Avrmectin and beta_cypermethrin class has registration and invents (like CN130783A; 99107713X; 99116869.0 etc.).Usually the working method of microemulsion is to use organic solvent, solubility promoter and tensio-active agent; Used tensio-active agent is a chemical surfactant; Plant there is poisoning, and large usage quantity, generally 15%～25%; Prepared microemulsion layering, muddiness occur about one week, and ageing stability is poor.
Summary of the invention
The present invention is that will to solve the ageing stability of the microemulsion of existing method preparation poor; Used tensio-active agent has poisoning to plant; And the technical problem of large usage quantity, thereby the preparation method of the microemulsion that a kind of agricultural chemicals and liquid fertilizer and biological emulsifier be blended into is provided.
The preparation method of the microemulsion that a kind of agricultural chemicals and liquid fertilizer and biological emulsifier are blended into carries out according to the following steps:
One, takes by weighing 0.1%～5% agricultural chemicals, 1%～10% organic solvent, 0.1%～3% solubility promoter, 10% bio-surfactant, 5%～30% liquid fertilizer and the water of surplus by mass percentage;
Two, in mixing kettle A, add agricultural chemicals, organic solvent, solubility promoter and bio-surfactant, under 50～80r/min rotating speed, stir 20～40min, obtain homogeneous transparent solution.
Three, in mixing kettle B, add liquid fertilizer and water successively,, obtain mixing solutions at 20～40r/min mechanical stirring, 50～80min.
Four, the homogeneous transparent solution among the mixing kettle A is added among the mixing kettle B, stir 30～50min, leach impurity, obtain the microemulsion that agricultural chemicals and liquid fertilizer and biological emulsifier are blended at 60～80r/min.
The microemulsion that the agricultural chemicals of the present invention's preparation and liquid fertilizer and biological emulsifier are blended into has following advantage:
1, propose the fertile biological emulsification notion of medicine, the biological emulsifier molecular structure of selection is similar to the liquid fertilizer molecular structure of being selected for use, and has the dual nature of nonionic and AS concurrently.Overcome sensitivity to temperature and pH, make this multicomponent system temperature in the triple-phase region near, and a little less than the cloud point line, warm preferably territory makes the stability of product better, the kind territory of suitable former medicine is wideer.
2, the present invention makes and contains that nearly 10 kinds of materials of different nature can guarantee secular physical stability in an individual system and the dispersion system of the Thermodynamically stable that forms; Constitute transparent single_phase system by oil ingredient-water-biological emulsifier; Stored one month, still even, transparent; And not stratified, ageing stability is good.
3, its technical chemistry dosage of surfactant of single pesticide species or single fertilizer kind is mostly 15%～25%; And the structures shape of biological emulsifier only accounts for 10% of usage quantity in body series; And surface tension that bio-surfactant is lower and IT; Than chemical surfactant more reactive group is arranged, simultaneously the length and the important tensio-active agent index HLB value of glycan number of unit adjustable of alkyl chain.
4, use the biological emulsification microemulsion of the water-based product of its preparation of compositions; Formulation is advanced; Its seepage force is strong, and this biological emulsifier structure is similar with our amino acid structure of liquid fertilizer; Itself also has the effect of improving the soil the emulsifying agent of this characteristic texture, and agricultural chemicals and liquid fertilizer are had significant synergistic function.
5, the effective rate of utilization of biological emulsifier and host and assistant agent does not have poisoning to plant, its perviousness, tack and dispersed better, and the organic solvent that relative quantity is less more is prone to safe storage, and environmental pollution is littler, and eco-environmental quality can improve.
Embodiment
Embodiment one: the preparation method that a kind of agricultural chemicals and liquid fertilizer and biological emulsifier are blended into microemulsion in this embodiment carries out according to the following steps:
One, takes by weighing 0.1%～5% agricultural chemicals, 1%～10% organic solvent, 0.1%～3% solubility promoter, 10% bio-surfactant, 5%～30% liquid fertilizer and the water of surplus by mass percentage;
Two, in mixing kettle A, add agricultural chemicals, organic solvent, solubility promoter and bio-surfactant, under 50～80r/min rotating speed, stir 20～40min, obtain homogeneous transparent solution.
Three, in mixing kettle B, add liquid fertilizer and water successively,, obtain mixing solutions at 20～40r/min mechanical stirring, 50～80min.
Four, the homogeneous transparent solution among the mixing kettle A is added among the mixing kettle B, stir 30～50min, leach impurity, obtain the microemulsion that agricultural chemicals and liquid fertilizer and biological emulsifier are blended at 60～80r/min.
The microemulsion that the agricultural chemicals of this embodiment preparation and liquid fertilizer and biological emulsifier are blended into has following advantage:
1, propose the fertile biological emulsification notion of medicine, the biological emulsifier molecular structure of selection is similar to the liquid fertilizer molecular structure of being selected for use, and has the dual nature of nonionic and AS concurrently.Overcome sensitivity to temperature and pH, make this multicomponent system temperature in the triple-phase region near, and a little less than the cloud point line, warm preferably territory makes the stability of product better, the kind territory of suitable former medicine is wideer.
2, this embodiment makes and contains that nearly 10 kinds of materials of different nature can guarantee secular physical stability in an individual system and the dispersion system of the Thermodynamically stable that forms; Constitute transparent single_phase system by oil ingredient-water-biological emulsifier; Stored one month, still even, transparent; And not stratified, ageing stability is good.
3, its technical chemistry dosage of surfactant of single pesticide species or single fertilizer kind is mostly 15%～25%; And the structures shape of biological emulsifier only accounts for 10% of usage quantity in body series; And surface tension that bio-surfactant is lower and IT; Than chemical surfactant more reactive group is arranged, simultaneously the length and the important tensio-active agent index HLB value of glycan number of unit adjustable of alkyl chain.
4, use the biological emulsification microemulsion of the water-based product of its preparation of compositions; Formulation is advanced, and its seepage force is strong, and this biological emulsifier structure; Similar with our amino acid structure of liquid fertilizer; Because this biological emulsifier is the condensation product of glucosides and higher alcohols, itself also has the effect of improving the soil the emulsifying agent of this characteristic texture, and agricultural chemicals and liquid fertilizer are had significant synergistic function.
5, the effective rate of utilization of biological emulsifier and host and assistant agent does not have poisoning to plant, its perviousness, tack and dispersed better, and the organic solvent that relative quantity is less more is prone to safe storage, and environmental pollution is littler, and eco-environmental quality can improve.
Embodiment two: what this embodiment and embodiment one were different is: agricultural chemicals is that a kind of in Avrmectin, cyhalothrin, beta_cypermethrin, ethrel, choline dichloride, tebuconazole and the XE 1019D or two kinds mix by arbitrary proportion in the step 2.Other is identical with embodiment one.
Embodiment three: what this embodiment was different with one of embodiment one or two is: organic solvent is N, dinethylformamide, YLENE, pimelinketone or methyl-sulphoxide in the step 1.Other is identical with one of embodiment one or two.
Embodiment four: what this embodiment was different with one of embodiment one to three is: solubility promoter is methyl alcohol, ethanol, propyl alcohol, propyl carbinol or Virahol in the step 1.Other is identical with one of embodiment one to three.
Embodiment five: what this embodiment was different with one of embodiment one to four is: bio-surfactant is that a kind of in rhamnolipid, APG, sophorolipid, marine alga glycolipid and the sucrose fat or two kinds mix by arbitrary proportion in the step 1.Other is identical with one of embodiment one to four.
Embodiment six: what this embodiment was different with one of embodiment one to five is: liquid fertilizer is the amino acid water soluble fertilizer in the step 1, and said amino acid water soluble fertilizer is formed by 20% amino acid, 1% manganous sulfate, 0.5% zinc sulfate, 0.5% boric acid and the water mixed preparing of surplus by mass percentage.Other is identical with one of embodiment one to five.
Through following verification experimental verification beneficial effect of the present invention:
Test one: the preparation method of the microemulsion that a kind of agricultural chemicals of this test and liquid fertilizer and biological emulsifier are blended into realizes by following method:
One, takes by weighing 2% Avrmectin, 2% cyhalothrin, 5% YLENE, 3% methyl alcohol, 5% rhamnolipid, 5% APG, 22% amino acid water soluble fertilizer and the water of surplus by mass percentage;
Two, in mixing kettle A, add Avrmectin, cyhalothrin, YLENE, methyl alcohol, rhamnolipid, APG, under the 50r/min rotating speed, stir 30min, obtain homogeneous transparent solution.
Three, in mixing kettle B, add amino acid water soluble fertilizer and water successively,, obtain mixing solutions at 20r/min mechanical stirring 60min.
Four, the homogeneous transparent solution among the mixing kettle A is added among the mixing kettle B, stir 30min, leach impurity, obtain the microemulsion that agricultural chemicals and liquid fertilizer and biological emulsifier are blended at 60r/min.
Bio-surfactant is adopted in this test one, and plant is not had poisoning, and consumption is merely 10%, and consumption is less;
Even the microemulsion that the agricultural chemicals of this test preparation and liquid fertilizer and biological emulsifier are blended into was placed one month, and is still even, transparent, and not stratified, ageing stability is good.
Control experiment example one:
One, takes by weighing 2% Avrmectin, 2% cyhalothrin, 5% YLENE, 3% methyl alcohol, 20% AEO, 22% amino acid water soluble fertilizer and the water of surplus by mass percentage;
Two, in mixing kettle A, add Avrmectin, cyhalothrin, YLENE, methyl alcohol, AEO, under the 50r/min rotating speed, stir 30min, obtain homogeneous transparent solution.
Three, in mixing kettle B, add amino acid water soluble fertilizer and water successively,, obtain mixing solutions at 20r/min mechanical stirring 60min.
Four, the homogeneous transparent solution among the mixing kettle A is added among the mixing kettle B, stir 30min, leach impurity, obtain microemulsion at 60r/min.
The microemulsion of this controlled trial preparation is divided into the profit two-phase, and is opaque, and unstable, after 2 hours, promptly becomes Unstable Systems.
Test two: the preparation method of the microemulsion that a kind of agricultural chemicals of this test and liquid fertilizer and biological emulsifier are blended into realizes by following method:
One, takes by weighing 3% XE 1019D, 5% pimelinketone, 3% methyl alcohol, 5% rhamnolipid, 5% APG, 22% amino acid water soluble fertilizer and the water of surplus by mass percentage;
Two, in mixing kettle A, add XE 1019D, pimelinketone, methyl alcohol, rhamnolipid, APG, under the 60r/min rotating speed, stir 30min, obtain homogeneous transparent solution.
Three, in mixing kettle B, add amino acid water soluble fertilizer and water successively,, obtain mixing solutions at 30r/min mechanical stirring 60min.
Four, the homogeneous transparent solution among the mixing kettle A is added among the mixing kettle B, stir 30min, leach impurity, obtain the microemulsion that agricultural chemicals and liquid fertilizer and biological emulsifier are blended at 80r/min.
Bio-surfactants are adopted in this test two, and plant is not had poisoning, and consumption is merely 10%, and consumption is less;
The microemulsion that the agricultural chemicals of this test preparation and liquid fertilizer and biological emulsifier are blended into was placed one month, and is still even, transparent, and not stratified, and ageing stability is good.
Controlled trial two:
One, takes by weighing 3% XE 1019D, 5% pimelinketone, 3% methyl alcohol, 20% polyoxyethylene nonylphenol, 22% amino acid water soluble fertilizer and the water of surplus by mass percentage;
Two, in mixing kettle A, add XE 1019D, pimelinketone, methyl alcohol, polyoxyethylene nonylphenol, under the 60r/min rotating speed, stir 30min, obtain homogeneous transparent solution.
Three, in mixing kettle B, add amino acid water soluble fertilizer and water successively,, obtain mixing solutions at 30r/min mechanical stirring 60min.
Four, the homogeneous transparent solution among the mixing kettle A is added among the mixing kettle B, stir 30min, leach impurity, obtain microemulsion at 80r/min.
The microemulsion of this controlled trial preparation is divided into the profit two-phase, and is opaque, and unstable, after 2 hours, promptly becomes Unstable Systems.
Test three: the preparation method of the microemulsion that a kind of agricultural chemicals of this test and liquid fertilizer and biological emulsifier are blended into realizes by following method:
One, takes by weighing 3% tebuconazole, 5% pimelinketone, 3% methyl alcohol, 5% rhamnolipid, 5% APG, 22% amino acid water soluble fertilizer and the water of surplus by mass percentage;
Two, in mixing kettle A, add tebuconazole, pimelinketone, methyl alcohol, rhamnolipid, APG, under the 80r/min rotating speed, stir 30min, obtain homogeneous transparent solution.
Three, in mixing kettle B, add amino acid water soluble fertilizer and water successively,, obtain mixing solutions at 40r/min mechanical stirring 60min.
Four, the homogeneous transparent solution among the mixing kettle A is added among the mixing kettle B, stir 30min, leach impurity, obtain the microemulsion that agricultural chemicals and liquid fertilizer and biological emulsifier are blended at 70r/min.
Bio-surfactants are adopted in this test three, and plant is not had poisoning, and consumption is merely 10%, and consumption is less;
The microemulsion that the agricultural chemicals of this test preparation and liquid fertilizer and biological emulsifier are blended into was placed one month, and is still even, transparent, and not stratified, and ageing stability is good.
Controlled trial three:
One, takes by weighing 3% tebuconazole, 5% pimelinketone, 3% methyl alcohol, 20% X 2073,22% amino acid water soluble fertilizer and the water of surplus by mass percentage;
Two, in mixing kettle A, add tebuconazole, pimelinketone, methyl alcohol, X 2073, under the 80r/min rotating speed, stir 30min, obtain homogeneous transparent solution.
Three, in mixing kettle B, add amino acid water soluble fertilizer and water successively,, obtain mixing solutions at 40r/min mechanical stirring 60min.
Four, the homogeneous transparent solution among the mixing kettle A is added among the mixing kettle B, stir 30min, leach impurity, obtain microemulsion at 70r/min.
The microemulsion of this controlled trial preparation is divided into the profit two-phase, and is opaque, and unstable, after 2 hours, promptly becomes Unstable Systems.
Claims (6)
1. the preparation method of the microemulsion that is blended into of agricultural chemicals and liquid fertilizer and biological emulsifier, the preparation method who it is characterized in that the microemulsion that agricultural chemicals and liquid fertilizer and biological emulsifier are blended into carries out according to the following steps:
One, takes by weighing 0.1%～5% agricultural chemicals, 1%～10% organic solvent, 0.1%～3% solubility promoter, 10% bio-surfactant, 5%～30% liquid fertilizer and the water of surplus by mass percentage;
Two, in mixing kettle A, add agricultural chemicals, organic solvent, solubility promoter and bio-surfactant, under 50～80r/min rotating speed, stir 20～40min, obtain homogeneous transparent solution;
Three, in mixing kettle B, add liquid fertilizer and water successively,, obtain mixing solutions at 20～40r/min mechanical stirring, 50～80min;
Four, the homogeneous transparent solution among the mixing kettle A is added among the mixing kettle B, stir 30～50min, leach impurity, obtain the microemulsion that agricultural chemicals and liquid fertilizer and biological emulsifier are blended at 60～80r/min.
2. the preparation method of the microemulsion that a kind of agricultural chemicals according to claim 1 and liquid fertilizer and biological emulsifier are blended into is characterized in that agricultural chemicals is a kind of or two kinds of mixtures formed by arbitrary proportion in Avrmectin, cyhalothrin, beta_cypermethrin, ethrel, choline dichloride, tebuconazole and the XE 1019D in the step 1.
3. the preparation method of the microemulsion that a kind of agricultural chemicals according to claim 1 and liquid fertilizer and biological emulsifier are blended into is characterized in that organic solvent is N, dinethylformamide, YLENE, pimelinketone or methyl-sulphoxide in the step 1.
4. the preparation method of the microemulsion that a kind of agricultural chemicals according to claim 1 and liquid fertilizer and biological emulsifier are blended into is characterized in that solubility promoter is methyl alcohol, ethanol, propyl alcohol, propyl carbinol or Virahol in the step 1.
5. the preparation method of the microemulsion that a kind of agricultural chemicals according to claim 1 and liquid fertilizer and biological emulsifier are blended into is characterized in that bio-surfactant in the step 1 is that a kind of in rhamnolipid, APG, sophorolipid, marine alga glycolipid and the sucrose fat or two kinds mix by arbitrary proportion.
6. the preparation method of the microemulsion that a kind of agricultural chemicals according to claim 1 and liquid fertilizer and biological emulsifier are blended into; It is characterized in that liquid fertilizer is the amino acid water soluble fertilizer in the step 1, said amino acid water soluble fertilizer is formed by 20% amino acid, 1% manganous sulfate, 0.5% zinc sulfate, 0.5% boric acid and the water mixed preparing of surplus by mass percentage.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104529637A (en) * | 2014-12-24 | 2015-04-22 | 黑龙江省卫星生物科技有限公司 | Formula of lodging-preventing foliar medicated fertilizer microemulsion for cold region rice and production process method |
| CN106614616A (en) * | 2016-10-10 | 2017-05-10 | 四川省兰月科技有限公司 | Microemulsion containing trinexapac-ethyl and paclobutrazol |
| CN106748137A (en) * | 2016-12-22 | 2017-05-31 | 山东智顺进出口有限公司 | Synergist and preparation method thereof |
| CN107212010A (en) * | 2017-05-27 | 2017-09-29 | 蒙宗勇 | Microemulsion containing dihalo pyrazole amide and emamectin-benzoate |
| CN107737340A (en) * | 2017-11-30 | 2018-02-27 | 合肥工业大学 | A kind of application of pharmaceutic adjuvant sophorolipid in field of medicaments |
| CN107778073A (en) * | 2016-08-29 | 2018-03-09 | 海南禾之润农业科技开发有限公司 | Prevent and treat compound formulation of betel nut yellows and preparation method thereof |
| CN107793211A (en) * | 2016-08-31 | 2018-03-13 | 南宁汉和生物科技股份有限公司 | A kind of green synergist for fertilizer agricultural chemicals and preparation method thereof |
| CN108272661A (en) * | 2018-04-02 | 2018-07-13 | 吉首大学 | A kind of preparation method of eucommia ulmoides seed oil microemulsion |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104529637A (en) * | 2014-12-24 | 2015-04-22 | 黑龙江省卫星生物科技有限公司 | Formula of lodging-preventing foliar medicated fertilizer microemulsion for cold region rice and production process method |
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| CN107212010A (en) * | 2017-05-27 | 2017-09-29 | 蒙宗勇 | Microemulsion containing dihalo pyrazole amide and emamectin-benzoate |
| CN107737340A (en) * | 2017-11-30 | 2018-02-27 | 合肥工业大学 | A kind of application of pharmaceutic adjuvant sophorolipid in field of medicaments |
| CN108272661A (en) * | 2018-04-02 | 2018-07-13 | 吉首大学 | A kind of preparation method of eucommia ulmoides seed oil microemulsion |
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Application publication date: 20121219 |