CN102696608B - A kind of flonicamid aqueous emulsion and preparation method thereof - Google Patents
A kind of flonicamid aqueous emulsion and preparation method thereof Download PDFInfo
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- CN102696608B CN102696608B CN201210119924.4A CN201210119924A CN102696608B CN 102696608 B CN102696608 B CN 102696608B CN 201210119924 A CN201210119924 A CN 201210119924A CN 102696608 B CN102696608 B CN 102696608B
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Abstract
The invention discloses a kind of flonicamid aqueous emulsion and preparation method thereof, in flonicamid aqueous emulsion, the percentage by weight of each component is: flonicamid 1～15%; Solvent 3～25%; Emulsifying agent: 4～15%; Dispersant 0.5～2%; Stabilizing agent 1～5%; Antifreezing agent 1～5%; Surplus is deionized water. Its preparation method is that flonicamid is dissolved in solvent, then adds emulsifying agent, stabilizing agent and dispersant, makes oil phase; Antifreezing agent and deionized water are mixed to get to water, under shear conditions, oil phase is slowly joined to water in or water is slowly joined in oil phase, make flonicamid aqueous emulsion. Flonicamid aqueous emulsion of the present invention is a kind of agricultural insecticide of effective, safety and environmental protection.
Description
Technical field
The present invention relates to a kind of pesticidal preparations and preparation method thereof, specifically a kind of flonicamid aqueous emulsion and preparation method thereof.
Background technology
Flonicamid is effective to various suckings pest, and has good osmosis. It can be from root to stem, the infiltration of leaf portion, but by leaf portion to stem, root osmosis relatively a little less than. This medicament causes effect by hindering insect act of sucking, and insect stops sucking after taking in medicament very soon, last hungry and dead. Due to the mechanism of action of flonicamid uniqueness and high biologically active, with and to people, animal, the high security of environment, simultaneously effective to the insect of other pesticide tool resistances, therefore there is very large development space.
Preparation Forms of Modern Pesticide is towards water baseization, ultramicronising, without efflorescence with control the development of release aspect, the i.e. formulations of pesticide taking water as matrix, wherein aqueous emulsion is that a kind of organic solvent can, less by the novel pesticide formulation of even no, good drug efficacy, environmentally-friendly water-basedization, be also a kind of good liquid dosage form that replaces emulsifiable concentrates for agricultural chemicals. Flonicamid aqueous emulsion of the present invention has efficiently, low toxicity, environmentally friendly, person poultry safety, easily the feature of degraded. Compared with traditional missible oil, greatly reduce production costs, save a large amount of petrochemical industry resources, and the present invention adopts the solvent of low toxicity, greatly reduce the pollution of organic solvent to human body and environment and residual, in avoiding producing, produce pollute, explosive and poisoning problem, make that pesticide processing is low to be poisoned, ensure the mankind and mammiferous safety and health. Environmental pollution that the traditional missible oil phase formulations of pesticide exist, endanger the shortcomings such as healthy and manufacturing cost is high.
Summary of the invention
The present invention is directed to prior art deficiency, the flonicamid aqueous emulsion its preparation method that a kind of efficient, low toxicity, environmentally friendly, person poultry safety is provided and easily produces and use.
Technical scheme of the present invention: for achieving the above object, the invention provides a kind of flonicamid aqueous emulsion, each component is as follows by weight percentage: flonicamid: 1～15%; Solvent: 3～25%; Emulsifying agent: 4～15%; Dispersant: 0.5～2%; Stabilizing agent: 1～5%; Antifreezing agent: 1～5%; Surplus is deionized water.
Wherein: described solvent is one or more the mixing in dimethylbenzene, methyl alcohol, ethanol, n-butanol, ethyl acetate, NOP, repefral, diethyl phthalate, dibutyl phthalate, Solvesso100, Solvesso150, Solvesso200.
Described emulsifying agent is APES, styryl phenol polyethenoxy ether, alkylaryl polyoxyethylene polyoxypropylene ether, alkaryl phenol polyethenoxy ether phosphate, castor oil polyoxyethylene ether, alkylbenzenesulfonate, alkylphenol-polyethenoxy phosphate, polyoxyethylene sorbitan aliphatic acid ketone, sorbitan ester, AEO, disecoctylmaleate sodium sulfonate, polyol fatty acid ester and ethylene oxide adduct thereof, castor oil, the mixing of one or more in lauryl sodium sulfate.
Described dispersant is one or both the mixing in polycarboxylic acid salt, alkyl phenol formaldehyde resin polyoxyethylene ether sulfate.
Described stabilizing agent is one or more the mixing in peanut oil, antioxidant 264, epoxidized soybean oil, epoxy linseed oil, epoxy fat, pentaerythrite, xylitol, pyrogallic acid.
Described antifreezing agent is one or more the mixing in ethylene glycol, propane diols, glycerine, diethylene glycol.
Flonicamid method for producing aqueous emulsion provided by the invention is: flonicamid is dissolved in solvent, then adds emulsifying agent, stabilizing agent and dispersant, make oil phase; Antifreezing agent and deionized water are mixed to get to water, under shear conditions, oil phase is slowly joined to water in or water is slowly joined in oil phase, make flonicamid aqueous emulsion.
Flonicamid aqueous emulsion of the present invention is as the water base chemical preparation of one, and compared with prior art, its preparation form is efficient, low toxicity, environmentally friendly, person poultry safety, is difficult for developing immunity to drugs, and is highly suitable for the various suckings pest of control control. In addition, the stable performance of a kind of flonicamid aqueous emulsion preparation, easily degraded, the technological process of production is simple, and investment and cost of equipment are low.
Brief description of the drawings
Fig. 1 is preparation method's of the present invention process chart.
Detailed description of the invention
The present invention describes by following specific embodiment, but the invention is not restricted to following specific embodiment. In these embodiments, unless otherwise indicated, all percentage is all weight percentage.
Embodiment 1.
According to technical scheme of the present invention, take the former medicine 7% of flonicamid, methyl alcohol 5%, dimethylbenzene 10%, castor oil polyoxyethylene ether 3%, AEO 2%, alkyl phenol formaldehyde resin polyoxyethylene ether sulfate 1%, pyrogallic acid 2%, peanut oil 2%, mix, fully dissolve and obtain oil phase; By ethylene glycol 4% and surplus deionized water, after fully stirring, make water in preparation still, to open after stirring oil phase is slowly joined in water, 6000 revs/min of shearings 30 minutes, obtain 7% flonicamid aqueous emulsion.
Embodiment 2.
According to technical scheme of the present invention, take the former medicine 10% of flonicamid, ethyl acetate 3%, Solvesso20015%, APES 2%, polyol fatty acid ester and ethylene oxide adduct 1.5% thereof, disecoctylmaleate sodium sulfonate 2%, polycarboxylic acid salt 1%.
Antioxidant 264 2%, peanut oil 3% mix, and fully dissolve and obtain oil phase; By glycerine 4% and surplus deionized water, after fully stirring, make water in preparation still, to open after stirring oil phase is slowly joined in water, 6000 revs/min of shearings 30 minutes, obtain 10% flonicamid aqueous emulsion.
Embodiment 3.
According to technical scheme of the present invention, take the former medicine 15 of flonicamid, ethanol 3%, Solvesso15020%.
Castor oil polyoxyethylene ether 4%, polyoxyethylene sorbitan aliphatic acid ketone 2%, AEO 1%, alkyl phenol formaldehyde resin polyoxyethylene ether sulfate 1%, epoxidized soybean oil 5%, mix, and fully dissolves and obtain oil phase; By glycerine 4% and surplus deionized water, after fully stirring, make water in preparation still, to open after stirring oil phase is slowly joined in water, 6000 revs/min of shearings 30 minutes, obtain 15% flonicamid aqueous emulsion.
Flonicamid aqueous emulsion properties of product of the present invention are stable, are easy to produce storage, environmentally friendly, use safety. Through evidence, the fruit aphids such as the vegetable aphid such as cucumber, wild cabbage and apple, oranges and tangerines are all had to good preventive effect, after dispenser, the average preventive effect of 7 days is more than 98%; Security is good, without poisoning, is a kind of nuisanceless agricultural insecticide being worthy of popularization to crops.
Claims (1)
1. a flonicamid aqueous emulsion, is characterized in that: each component is as follows by weight percentage: flonicamid: 1～15%, and solvent: 3～25%, emulsifying agent: 4～15%, dispersant: 0.5～2%, stabilizing agent: 1～5%, antifreezing agent: 1～5%, surplus is deionized water;
Described solvent is one or more the mixing in dimethylbenzene, methyl alcohol, ethanol, n-butanol, ethyl acetate, NOP, repefral, diethyl phthalate, dibutyl phthalate, Solvesso100, Solvesso150, Solvesso200;
Described emulsifying agent is APES, styryl phenol polyethenoxy ether, alkylaryl polyoxyethylene polyoxypropylene ether, alkaryl phenol polyethenoxy ether phosphate, castor oil polyoxyethylene ether, alkylbenzenesulfonate, alkylphenol-polyethenoxy phosphate, polyoxyethylene sorbitan aliphatic acid ketone, sorbitan ester, AEO, disecoctylmaleate sodium sulfonate, polyol fatty acid ester and ethylene oxide adduct thereof, castor oil, the mixing of one or more in lauryl sodium sulfate,
Described dispersant is one or both the mixing in polycarboxylic acid salt, alkyl phenol formaldehyde resin polyoxyethylene ether sulfate;
Described stabilizing agent is one or more the mixing in peanut oil, antioxidant 264, epoxidized soybean oil, epoxy linseed oil, epoxy fat, pentaerythrite, xylitol, pyrogallic acid;
Described antifreezing agent is one or more the mixing in ethylene glycol, propane diols, glycerine, diethylene glycol.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210119924.4A CN102696608B (en) | 2012-04-23 | 2012-04-23 | A kind of flonicamid aqueous emulsion and preparation method thereof |
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| CN201210119924.4A CN102696608B (en) | 2012-04-23 | 2012-04-23 | A kind of flonicamid aqueous emulsion and preparation method thereof |
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| CN102696608A CN102696608A (en) | 2012-10-03 |
| CN102696608B true CN102696608B (en) | 2016-05-18 |
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| CN110663687B (en) * | 2019-10-23 | 2021-06-29 | 河北天发生物科技有限公司 | Emulsifier and application of auxiliary agent containing emulsifier in pesticide preparation processing |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002037964A1 (en) * | 2000-11-10 | 2002-05-16 | Syngenta Participations Ag | Synergistic pesticidal compositions comprising n-cyanomethyl-4-(trifluoromethyl)nicotinamide |
| CN102006774A (en) * | 2008-04-17 | 2011-04-06 | 石原产业株式会社 | Harmful organism control composition, and method for control of harmful organisms |
| CN102177887A (en) * | 2011-03-15 | 2011-09-14 | 广东中迅农科股份有限公司 | Diafenthiuron emulsion in water and preparation method thereof |
| WO2011134819A1 (en) * | 2010-04-27 | 2011-11-03 | Syngenta Participations Ag | Methods of controlling neonicotinoid resistant aphids |
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2012
- 2012-04-23 CN CN201210119924.4A patent/CN102696608B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002037964A1 (en) * | 2000-11-10 | 2002-05-16 | Syngenta Participations Ag | Synergistic pesticidal compositions comprising n-cyanomethyl-4-(trifluoromethyl)nicotinamide |
| CN102006774A (en) * | 2008-04-17 | 2011-04-06 | 石原产业株式会社 | Harmful organism control composition, and method for control of harmful organisms |
| WO2011134819A1 (en) * | 2010-04-27 | 2011-11-03 | Syngenta Participations Ag | Methods of controlling neonicotinoid resistant aphids |
| CN102177887A (en) * | 2011-03-15 | 2011-09-14 | 广东中迅农科股份有限公司 | Diafenthiuron emulsion in water and preparation method thereof |
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