CN1233239C - Flusilazol smoking agent and its preparation method - Google Patents
Flusilazol smoking agent and its preparation method Download PDFInfo
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- CN1233239C CN1233239C CN 03109575 CN03109575A CN1233239C CN 1233239 C CN1233239 C CN 1233239C CN 03109575 CN03109575 CN 03109575 CN 03109575 A CN03109575 A CN 03109575A CN 1233239 C CN1233239 C CN 1233239C
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Abstract
The present invention relates to a broad spectrum pesticide, particularly to a flusilazol smoking agent and a preparation method thereof. The flusilazol smoking agent comprises respectively the components of the following percentages by weight: 1 to 20% of flusilazol, 0.1 to 15% of compound surface active agents, 1 to 90% of solvent and 1 to 20% of cosolvent, and the flusilazol smoking agent is prepared from the solvent with a high boiling point. In use, very fine fog granules (more than 80% of granules of 2 to 5 mu m) are sprayed by a smoking sprayer, the granules drift in air, and the granules can be firmly deposited on the leaf surfaces (positive surfaces and back surface) and the stems of crops for preventing and treating forest pest (a pear scab disease and a rust disease) when the granules meet the crops. The present invention has the advantages of strong rain washing resisting strong, high effect, labor saving and time saving, and the fog of the present invention is 10 times of normal fog. Therefore, the present invention can greatly lower medicine cost and save the original medicine, and the present invention has high medical effect and long effective period. The present invention also has small polluted poison for environment and operators and saves a large quantity of fresh water.
Description
Technical field
The present invention relates to a kind of broad spectrum pesticide, especially Flusilazole aerosol and preparation method thereof.
Background technology
The Flusilazole product of producing both at home and abroad is cream preparation at present, mainly adopts the lower toluene of boiling point, the preparation of dimethylbenzene equal solvent.To convert in the use and spray after a large amount of fresh water form emulsion, very difficult when the crop of higher and dense planting is sprayed, such as fruit tree.Water smoke runs off on crop seriously, resistance of rainwater washing against not, and effective drug duration is short, and the murder by poisoning to environment and operating personnel is big simultaneously.The dilution water consumption is big, and labour intensity and time are increased, and work efficiency reduces.Aerosol is studied early abroad, but slower development, and in health and epidemic prevention, several aerosols occurred domestic the 1970s and 1980s in the forest and the rubber extermination of disease and insect pest mostly in its application, yet do not see both at home and abroad that so far the Flusilazole aerosol comes out.The Flusilazole aerosol that the present invention is alleged is strictly said be called thermal fog (hot fogging concentrate).
Summary of the invention
The purpose of this invention is to provide a kind of Flusilazole aerosol and preparation method thereof.Adopt high boiling solvent formulated.In use eject superfine droplet (2-5 μ m accounts for more than 80%) with fog machine, drift in air just can be deposited on crop blade face (just, the back side) and the stem disease that is used to prevent and treat crop firmly in case run into crop.
The Flusilazole aerosol contains Flusilazole, surfactant, solvent and cosolvent, and its percentage by weight is respectively:
Flusilazole 1-20%
Surfactant 0.1-15%
Solvent 45-90%
Cosolvent 1-20%
(4-fluorophenyl)-(1-H-1,2,4-triazol-1-yl methylene) monosilane as active component also claims Flusilazole.
Surfactant is by calcium dodecyl benzene sulfonate (as newborn No. 500 of farming), polyoxyethylene nonylphenol ether (as OP-4, OP-7, OP-10), single oleic acid sorbitan ester (as span-80) or secondary alkanol oxygen vinethene (as JFC).
Solvent by in aromatic hydrocarbons No. two, No. three, o-dichlorohenzene, diethylene glycol (DEG), triethylene glycol, propane diols, atoleine, white oil, castor oil, the turpentine oil a kind of, two kinds, three kinds, four kinds or five kinds form.
Cosolvent is by methyl-sulfoxide, N, a kind of, two kinds, three kinds or four kinds of compositions in dinethylformamide, ethylene glycol, the glycerine.
The present invention can also add known synergist, stabilizing agent or carry out compositely with other effective active composition, can improve the drug effect of Flusilazole aerosol and the practicality on the agricultural greatly.
The preparation method of Flusilazole aerosol comprises the steps:
At first with two (4-fluorophenyl)-(1-H-1 of active component, 2,4-triazole-1 methylene) monosilane adds in the modulation kettle with solvent, cosolvent, dissolve below 50 ℃ in agitating heating, after treating to dissolve fully, again surfactant is added, continue to stir, be heated to and become transparent homogeneous phase solution.Be cooled to room temperature, cross a small amount of residue of filtering, finished product is carried out analyzing and testing.
The using method of Flusilazole aerosol: the Flusilazole aerosol is ejected superfine droplet (2-5 μ m accounts for more than 80%) with fog machine, at forest zone test control forest and rubber damage by disease and insect, drift just is deposited on the blade face and stem of trees firmly in air, prevents and treats damage by forest-insects more than 80%.
Advantage of the present invention is:
1) ability to resist splash erosion is strong.Conventional pesticide preparation missible oil, wetting powder and aqueous suspension agent etc., convert a large amount of water sprays during use, its droplet can only partly deposit on crop, it is a lot of to be lost, even being deposited on droplet on the crop meets rain and also can be washed away at once, fall torrential rain immediately and smoke particle is deposited on the crop and also do not wash away, and when spotting, also can spray.
2) effect height, not only saving of labor but also save time.Effect power is 10 times of conventional mist, so reduce the dispenser cost greatly.
3) save former medicine, the drug effect height, the lasting period is long.About every mu of spray aerosol 100 grams (content 10-15%), conventional formulation needs the 20-30 gram approximately by active ingredient.
4) little to environment and operating personnel's pollution and toxic hazard.Conventional atomized water spray is for tall and big dense planting crop, operating personnel are endangered seriously, and soup runs off in a large number in soil, pollute, and spray aerosol, the people carries on the back fog machine and walks the front against the wind, back ejection smog, to not influence of people, the smoke particle overwhelming majority is deposited on the crop, and is very little to environmental influence.
5) save a large amount of fresh water.Conventional atomized water spray, as in fruit tree, need converting 200-400kg fresh water approximately, and spray aerosol water not, every mu only needs spraying preparation 100-200 gram to get final product.This advantage is particularly suitable for mountain area, hilly country and arid area.
Embodiment
Embodiment 1 (preparation method of 1% Flusilazole aerosol)
Composition of raw materials: by weight percentage, get Flusilazole 1%; Surfactant, farming breast No. 500 2%; Solvent, aromatic hydrocarbons No. two 45%, No. three 40%; Cosolvent methyl-sulfoxide 12%.
Preparation method: at first with two (4-fluorophenyl)-(1-H-1 of active component, 2,4-triazole-1 methylene) monosilane adds in the modulation kettle with solvent, cosolvent, dissolve below 50 ℃ in agitating heating, after treating to dissolve fully, again surfactant is added, continue to stir, be heated to and become transparent homogeneous phase solution.Be cooled to room temperature, cross a small amount of residue of filtering, filtrate is carried out analyzing and testing, reach the enterprise product standard: can pack storing after Q/12 NY 0309-2002 is qualified.
Embodiment 2 (preparation method of 2.5% Flusilazole aerosol)
Composition of raw materials: by weight percentage, get Flusilazole 2.5%; Surfactant, span-80 5%; Solvent, diethylene glycol (DEG) 55%, castor oil 35%; Cosolvent, dimethyl formamide 2.5%.
Preparation method: identical with embodiment 1.
Embodiment 3 (preparation method of 20% Flusilazole aerosol)
Composition of raw materials: by weight percentage, get Flusilazole 20%; Surfactant, OP-4 13%; Solvent, o-dichlorohenzene 25%, turpentine oil No. three 30%; Cosolvent, glycerine 12%.
Preparation method: identical with embodiment 1.
Embodiment 4 (preparation method of 10% Flusilazole aerosol)
Composition of raw materials: by weight percentage, get Flusilazole 10%; Surfactant, OP-7 1%; Solvent, triethylene glycol 35%, atoleine 40%; Cosolvent, glycerine 14%.
Preparation method: identical with embodiment 1.
Embodiment 5 (preparation method of 15% Flusilazole aerosol)
Composition of raw materials: by weight percentage, get Flusilazole 15%; Surfactant, JFC 10%; Solvent, propane diols, 45%, white oil, 25%; Cosolvent, N, dinethylformamide 5%.
Preparation method: identical with embodiment 1.
Embodiment 6 (preparation method of 5% Flusilazole aerosol)
Composition of raw materials: by weight percentage, get Flusilazole 5%; Surfactant, OP-10 10%; Solvent, aromatic hydrocarbons No. three 45%, castor oil 35%; Cosolvent, N, dinethylformamide 5%.
Preparation method: identical with embodiment 1.
Get the Flusilazole aerosol of the foregoing description preparation, use fog machine, test prevents and treats damage by forest-insects (raw meat disease, rust in the pears) in the forest zone, 1 hectare 1.5 kilograms sprayed in 10 minutes, eject superfine droplet at every turn, 2-5 μ m accounts for more than 80%, and drift just is deposited on the blade face and stem of trees firmly in air, prevents and treats damage by forest-insects more than 80%.
Claims (3)
1. Flusilazole aerosol is characterized in that it contains Flusilazole, tenside/solvent and cosolvent, and their composition and percentage by weight are:
Flusilazole 1-20%
Surfactant 0.1-15%
Solvent 45-90%
Cosolvent 1-20%
All each constituent contents is 100% in the composition;
Described surfactant is polyoxyethylene nonylphenol ether, calcium dodecyl benzene sulfonate, single oleic acid sorbitan ester or secondary alkanol APEO;
Described solvent is No. two, aromatic hydrocarbons, No. three, o-dichlorohenzene, chlorobenzene, diethylene glycol (DEG), triethylene glycol, propane diols, atoleine, white oil, castor oil, a kind of, two kinds, three kinds, four kinds or five kinds of compositions in the turpentine oil;
Described cosolvent by in methyl-sulfoxide, N, dinethylformamide, ethylene glycol, the glycerine a kind of, two kinds, three kinds or four kinds form.
2, Flusilazole aerosol according to claim 1 is characterized in that: surfactant is No. 500, farming breast, OP-4, OP-7, OP-10, span-80 or JFC.
3, the preparation method of Flusilazole aerosol according to claim 1 is characterized in that comprising the steps:
At first with active component Flusilazole-two (4-fluorophenyl)-(1-H-1,2,4-triazole-1 methylene) monosilane adds in the modulation kettle with solvent, cosolvent, dissolve below 50 ℃ in agitating heating, after treating to dissolve fully, again surfactant is added, continue to stir, be heated to and become transparent homogeneous phase solution.Be cooled to room temperature, cross a small amount of residue of filtering, get finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03109575 CN1233239C (en) | 2003-04-15 | 2003-04-15 | Flusilazol smoking agent and its preparation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03109575 CN1233239C (en) | 2003-04-15 | 2003-04-15 | Flusilazol smoking agent and its preparation method |
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| Publication Number | Publication Date |
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| CN1443453A CN1443453A (en) | 2003-09-24 |
| CN1233239C true CN1233239C (en) | 2005-12-28 |
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| CN 03109575 Expired - Fee Related CN1233239C (en) | 2003-04-15 | 2003-04-15 | Flusilazol smoking agent and its preparation method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100431418C (en) * | 2004-04-16 | 2008-11-12 | 中国农业科学院植物保护研究所 | Oxazole fluosilicate micro emulsion and its preparing method |
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