CN101204151A - Epoxiconazole water dispersant and preparation method thereof - Google Patents
Epoxiconazole water dispersant and preparation method thereof Download PDFInfo
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- CN101204151A CN101204151A CNA2007101956722A CN200710195672A CN101204151A CN 101204151 A CN101204151 A CN 101204151A CN A2007101956722 A CNA2007101956722 A CN A2007101956722A CN 200710195672 A CN200710195672 A CN 200710195672A CN 101204151 A CN101204151 A CN 101204151A
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Abstract
The invention discloses a fungicide-epoxiconazole water dispersible granule. The invention belongs to a fungicides technology in the field of plant protection. The combination of the invention comprises that: 10-800 portion of epoxiconazole, 10-50 portion of wetting agent, 10-50 portion of dispersant, 10-80 portion of disintegrant, 20-100 portion of adhesive agent, 20-100 portion of stabilizer and 50-500 portion of filler; after the ingredients are mixed by proportion and evenly stirred, mesh powder is obtained by pulverization; the epoxiconazole water dispersible granule is made by evenly mixing the mesh powder and the adhesive agent, then through granulating, parching and screening. The invention overcomes weak points of wettable powder, pulvis, ungluing agent, suspension concentrate and emulsifiable concentrate of the epoxiconazole and reduces cost for farmers and pollution of environment. Besides, the invention has the advantages of high content, fast disintegration, upstanding dispersity, easy storing and good stability as well as high reactivity, good effectiveness and favorable safety when in use.
Description
Technical field
The present invention relates to a kind of disinfectant use in agriculture, particularly a kind of epoxiconazole water dispersant with prevention and treatment double action at the development of sigatoka, wheat rust the invention still further relates to the preparation method of this disinfectant use in agriculture.
Background technology
At present, disinfectant use in agriculture is a lot, fluorine ring azoles is wherein a kind of, absorption tricyclic antidepressants bactericide in belonging to, have prevention and treatment double action, it is mainly used in the sigatoka of difficult control, the prevention of wheat rust and treatment, it has active high, efficacy stability, the drug effect continuous and effective phase is long, safety is good, characteristics such as remarkably productive, it is one of product of consumption maximum in the present bacterial disease control, but the fluorine ring azoles wetting powder of Chu Xianing in the market, epoxiconazole suspension concentrate, fluorine ring azoles pulvis, fluorine ring azoles missible oil, it is low that ubiquities such as fluorine ring azoles glue fluorine ring azoles content, disintegration is slow, bad dispersibility, problems such as environmental pollution is serious, and storing is inconvenient, is difficult for packing, the use cost height.
Summary of the invention
The technical problem to be solved in the present invention is for overcoming prior art, cost height, polluting greatly, the shortcoming that storing is inconvenient, provide a kind of use, low, the easy packing of cost, storing conveniently, the healthy nothing injury of people, environmentally safe have been improved the epoxiconazole water dispersant of effective ingredient availability and medication efficient simultaneously again; In addition, the present invention also provides the preparation method of this epoxiconazole water dispersant.
In order to solve the problems of the technologies described above, the present invention realizes as follows: it comprises bulk drug, wetting agent, dispersant, disintegrant, adsorbent and stabilizing agent, carrier and adhesive component; The ratio that various components account for gross weight by weight is:
Bulk drug is that fluorine ring azoles accounts for 10 parts～800 parts
Carrier is that filler accounts for 50 parts～500 parts
Adhesive accounts for 20 parts～100 parts
Wetting agent accounts for 10 parts～50 parts
Dispersant accounts for 10 parts～50 parts
Disintegrant accounts for 10 parts～80 parts
Adsorbent accounts for 10 parts～80 parts
20 parts～100 parts of stabilizer comprises
Described wetting agent comprises aliphatic alcohol sulfate, alkyl sulfate, alkylol polyoxyethylene groups ether sodium sulfate, alkylphenol-polyethenoxy base ether sodium sulfate, alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, a kind of in sodium alkyl sulfonate, alkylbenzenesulfonate, alkylnaphthalene sulfonate, dialkyl succinylsuccinate sulfonate, monoalkyl phenyl polyoxyethylene groups ether succinic acid sodium sulfonate, fatty alcohol ethylene oxide adduct sulfonate, alkylphenol formaldehyde condensation product ethylene oxide adduct sulfonate, the alkyl amide taurate.
Described dispersant comprises a kind of in aliphatic alcohol polyethenoxy base ether, alkylphenol-polyethenoxy base ether, 602,1601,1602, the By series.
Described disintegrant comprises a kind of in ammonium sulfate, anhydrous sodium sulfate, calcium chloride, surfactant, bentonite, the polyethyl acrylate.
Described adsorbent newspaper is drawn together a kind of in diatomite, attapulgite, white carbon, No. 45, lignin, the bentonite.
Described adhesive comprises a kind of among gelatin, polyvinyl alcohol, polyvinylpyrrolidone, polyethylene glycol, starch, the CMC.
Described stabilizing agent newspaper is drawn together a kind of in sodium hydrogen phosphate, succinic acid, adipic acid, oxalic acid, the borax.
Described filler comprises a kind of in kaolin, precipitated calcium carbonate, bentonite, the anhydrous sodium sulfate.
The preparation method of epoxiconazole water dispersant of the present invention is undertaken by following step:
1) according to the purposes that will prepare the water dispersant granule pesticide, take by weighing above-mentioned former medicine, auxiliary agent, carrier, mix the back and carry out ultramicro grinding with airslide disintegrating mill, obtain 800 orders～1000 order fine powders.
2) mix in the aqueous solution adding blender with gained fine powder and adhesive,,, promptly obtain the water dispersant granula of this pesticide species 50 ℃～100 ℃ following low temperature dryings through the oscillating granulator granulation.
Good effect of the present invention is as follows: the epoxiconazole water decentrality granula that adopts prescription of the present invention to process, its implementation result shows, this product has reduced peasant's use cost, reduced pollution to environment, and have in the use of the present invention that content height, disintegration are fast, good dispersion, little, the easy to use, safe coefficient height of environmental pollution, pollution-free to the crop blade face, can promote the photosynthesis of crop, human body do not had characteristics such as injury, and packing is simple, storing is convenient, belongs to science environmental protection formulation product.
Embodiment
Embodiment 1
Take by weighing 220 parts in epoxiconazole raw powder, 90 parts of wetting agent alkyl sulfates, 100 parts in dispersant aliphatic alcohol polyethenoxy base ether, 90 parts in disintegrant ammonium sulfate, 100 parts in adsorbent diatomite, 50 parts of stabilizing agent sodium hydrogen phosphates, 350 parts of filler precipitated calcium carbonates, after it is mixed, obtain female powder through the airslide disintegrating mill pulverizing, female powder is mixed evenly granulation then with 10 parts of adhesive polyvinyl alcohol, oven dry, sieving obtains 24.18% about 910 parts epoxiconazole water decentrality granula.
The 24.18% epoxiconazole water decentrality granula control project indicator
| Project | Index |
| Fluorine ring azoles content, % 〉= | 24.18 |
| Moisture, %≤ | 2.5 |
| The pH value scope | 6.0～8.0 |
| The meta-tolyl-N-methylcarbamate (MTMC) suspensibility, % 〉= | 75 |
| Particle size range (225-800 μ m) % 〉= | 98 |
| Dispersiveness, % 〉= | 85 |
| Wetting time, S≤ | 90 |
| Wet screening test (by 75 μ m testing sieves), % 〉= | 98 |
| Lasting foaming characteristic, (behind the 1min) mL≤ | 12 |
| Heat storage stability | Qualified |
Being used to prevent and treat the sigatoka dosage in force is 30～37.5 gram/hectares, and control efficiency is 89.01～97.89%.
Embodiment 2
Take by weighing 280 parts in epoxiconazole raw powder, 60 parts of wetting agent alkyl sulfates, 50 parts in dispersant aliphatic alcohol polyethenoxy base ether, 70 parts in disintegrant ammonium sulfate, 90 parts in adsorbent diatomite, 70 parts of stabilizing agent sodium hydrogen phosphates, 380 parts of filler precipitated calcium carbonates, after it is mixed, obtain female powder through the airslide disintegrating mill pulverizing, female powder is mixed evenly granulation then with 10 parts of adhesive polyvinyl alcohol, oven dry, sieving obtains 31.12% about 900 parts epoxiconazole water decentrality granula.
The 24.18% epoxiconazole water decentrality granula control project indicator
| Project | Index |
| Fluorine ring azoles content, % 〉= | 31.12 |
| Moisture, %≤ | 2.5 |
| The pH value scope | 6.0～8.0 |
| The meta-tolyl-N-methylcarbamate (MTMC) suspensibility, % 〉= | 75 |
| Particle size range (225-800 μ m) % 〉= | 98 |
| Dispersiveness, % 〉= | 85 |
| Wetting time, S≤ | 90 |
| Wet screening test (by 75 μ m testing sieves), % 〉= | 98 |
| Lasting foaming characteristic, (behind the 1min) mL≤ | 12 |
| Heat storage stability | Qualified |
Being used to prevent and treat the wheat rust dosage in force is 30～35 gram/hectares, and control efficiency is 90.08～98.11%.
Embodiment 3
Take by weighing 300 parts in epoxiconazole raw powder, 90 parts of wetting agent alkyl sulfates, 100 parts in dispersant aliphatic alcohol polyethenoxy base ether, 90 parts in disintegrant ammonium sulfate, 70 parts in adsorbent diatomite, 50 parts of stabilizing agent sodium hydrogen phosphates, 300 parts of filler precipitated calcium carbonates, after it is mixed, obtain female powder through the airslide disintegrating mill pulverizing, female powder is mixed evenly granulation then with 20 parts of adhesive polyvinyl alcohol, oven dry, sieving obtains 32.26% about 930 parts epoxiconazole water decentrality granula.
The 24.18% epoxiconazole water decentrality granula control project indicator
| Project | Index |
| Fluorine ring azoles content, % 〉= | 32.26 |
| Moisture, %≤ | 2.5 |
| The pH value scope | 6.0～8.0 |
| The meta-tolyl-N-methylcarbamate (MTMC) suspensibility, % 〉= | 75 |
| Particle size range (225-800 μ m) % 〉= | 98 |
| Dispersiveness, % 〉= | 85 |
| Wetting time, S≤ | 90 |
| Wet screening test (by 75 μ m testing sieves), % 〉= | 98 |
| Lasting foaming characteristic, (behind the 1min) mL≤ | 12 |
| Heat storage stability | Qualified |
Being used to prevent and treat the wheat rust dosage in force is 400～650 mg/kg, and control efficiency is 88.23～97.99%.
Embodiment 4
Take by weighing 350 parts in epoxiconazole raw powder, 70 parts of wetting agent alkyl sulfates, 70 parts in dispersant aliphatic alcohol polyethenoxy base ether, 80 parts in disintegrant ammonium sulfate, 100 parts in adsorbent diatomite, 50 parts of stabilizing agent sodium hydrogen phosphates, 280 parts of filler precipitated calcium carbonates, after it is mixed, obtain female powder through the airslide disintegrating mill pulverizing, female powder is mixed evenly granulation then with 10 parts of adhesive polyvinyl alcohol, oven dry, sieving obtains 38.89% about 900 parts epoxiconazole water decentrality granula.
The 24.18% epoxiconazole water decentrality granula control project indicator
| Project | Index |
| Fluorine ring azoles content, % 〉= | 38.89 |
| Moisture, %≤ | 2.5 |
| The pH value scope | 6.0～8.0 |
| The meta-tolyl-N-methylcarbamate (MTMC) suspensibility, % 〉= | 75 |
| Particle size range (225-800 μ m) % 〉= | 98 |
| Dispersiveness, % 〉= | 85 |
| Wetting time, S≤ | 90 |
| Wet screening test (by 75 μ m testing sieves), % 〉= | 98 |
| Lasting foaming characteristic, (behind the 1min) mL≤ | 12 |
| Heat storage stability | Qualified |
Be used to prevent and treat sigatoka dosage 300～400 gram/hectares in force, control efficiency is 88.23～97.99%.
In order to make those of ordinary skill in the art understand the present invention better, the invention provides the preparation method who is used for epoxiconazole water decentrality granula, referring to Fig. 1, concrete steps are as follows:
1), choose raw material, it is mixed according to the prescription of epoxiconazole water decentrality granula;
2), after carrying out ultramicro grinding with above mixture, airslide disintegrating mill obtains female powder;
4), the female powder that obtains after the ultramicro grinding is mixed by prescription and binding agent;
5), above mixture is carried out granulation on comminutor;
6), above shot-like particle is dried;
7) promptly obtain epoxiconazole water decentrality granula after, the shot-like particle after will drying sieves.
Claims (9)
1. epoxiconazole water dispersant, it is characterized in that: it comprises bulk drug, wetting agent, dispersant, disintegrant, adsorbent and stabilizing agent, carrier and four kinds of components of adhesive; The ratio that various components account for gross weight by weight is:
Bulk drug is that fluorine ring azoles accounts for 10 parts～800 parts
Carrier is that filler accounts for 50 parts～500 parts
Adhesive accounts for 20 parts～100 parts
Wetting agent accounts for 10 parts～50 parts
Dispersant accounts for 10 parts～50 parts
Disintegrant accounts for 10 parts～80 parts
Adsorbent accounts for 10 parts～80 parts
20 parts～100 parts of stabilizer comprises.
2. according to the described epoxiconazole water dispersant of claim 1; it is characterized in that: described wetting agent comprises aliphatic alcohol sulfate; alkyl sulfate; alkylol polyoxyethylene groups ether sodium sulfate; alkylphenol-polyethenoxy base ether sodium sulfate; alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, sodium alkyl sulfonate; alkylbenzenesulfonate; alkylnaphthalene sulfonate; dialkyl succinylsuccinate sulfonate; monoalkyl phenyl polyoxyethylene groups ether succinic acid sodium sulfonate; fatty alcohol ethylene oxide adduct sulfonate; alkylphenol formaldehyde condensation product ethylene oxide adduct sulfonate; a kind of in the alkyl amide taurate.
3. according to the described epoxiconazole water dispersant of claim 1, it is characterized in that: described dispersant comprises a kind of in aliphatic alcohol polyethenoxy base ether, alkylphenol-polyethenoxy base ether, 602,1601,1602, the By series.
4. according to the described epoxiconazole water dispersant of claim 1, it is characterized in that: described disintegrant comprises a kind of in ammonium sulfate, anhydrous sodium sulfate, calcium chloride, surfactant, bentonite, the polyethyl acrylate.
5. according to the described epoxiconazole water dispersant of claim 1, it is characterized in that: described adsorbent newspaper is drawn together a kind of in diatomite, attapulgite, white carbon, No. 45, lignin, the bentonite.
6. according to the described epoxiconazole water dispersant of claim 1, it is characterized in that: described adhesive comprises a kind of among gelatin, polyvinyl alcohol, polyvinylpyrrolidone, polyethylene glycol, starch, the CMC.
7. according to the described epoxiconazole water dispersant of claim 1, it is characterized in that: described stabilizing agent newspaper is drawn together a kind of in sodium hydrogen phosphate, succinic acid, adipic acid, oxalic acid, the borax.
8. according to the described epoxiconazole water dispersant of claim 1, it is characterized in that: described filler comprises a kind of in kaolin, precipitated calcium carbonate, bentonite, the anhydrous sodium sulfate.
9. the preparation method of an epoxiconazole water dispersant, it is characterized in that: its preparation method is undertaken by following step:
1) according to the purposes that will prepare the water dispersant granule pesticide, take by weighing above-mentioned former medicine, one or both or two or more auxiliary agents, one or both or two or more carriers, mix the back and carry out ultramicro grinding, obtain 800 orders～1000 order fine powders with airslide disintegrating mill;
2) aqueous solution of gained fine powder and adhesive is added in the blender mix, through the oscillating granulator granulation, 50 ℃～100 ℃ following low temperature dryings promptly obtain the water dispersant granula of this pesticide species.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101956722A CN101204151A (en) | 2007-12-06 | 2007-12-06 | Epoxiconazole water dispersant and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101956722A CN101204151A (en) | 2007-12-06 | 2007-12-06 | Epoxiconazole water dispersant and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101204151A true CN101204151A (en) | 2008-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101956722A Pending CN101204151A (en) | 2007-12-06 | 2007-12-06 | Epoxiconazole water dispersant and preparation method thereof |
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| Country | Link |
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| CN (1) | CN101204151A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102907449A (en) * | 2012-10-26 | 2013-02-06 | 山东潍坊润丰化工有限公司 | Bactericidal composition containing epoxiconazole and carbendazim and application thereof |
| CN103263871A (en) * | 2013-05-31 | 2013-08-28 | 滁州市润达溶剂有限公司 | Water-soluble diffusion agent |
| CN106982991A (en) * | 2017-03-16 | 2017-07-28 | 陕西瑞之源农牧科技有限公司 | A kind of feed is with ivory white composite particles carrier |
| CN109221167A (en) * | 2018-10-10 | 2019-01-18 | 江苏七洲绿色化工股份有限公司 | A kind of dry suspending agent and preparation method thereof containing epoxiconazole |
-
2007
- 2007-12-06 CN CNA2007101956722A patent/CN101204151A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102907449A (en) * | 2012-10-26 | 2013-02-06 | 山东潍坊润丰化工有限公司 | Bactericidal composition containing epoxiconazole and carbendazim and application thereof |
| CN102907449B (en) * | 2012-10-26 | 2014-04-30 | 山东潍坊润丰化工股份有限公司 | Bactericidal composition containing epoxiconazole and carbendazim and application thereof |
| CN103263871A (en) * | 2013-05-31 | 2013-08-28 | 滁州市润达溶剂有限公司 | Water-soluble diffusion agent |
| CN106982991A (en) * | 2017-03-16 | 2017-07-28 | 陕西瑞之源农牧科技有限公司 | A kind of feed is with ivory white composite particles carrier |
| CN109221167A (en) * | 2018-10-10 | 2019-01-18 | 江苏七洲绿色化工股份有限公司 | A kind of dry suspending agent and preparation method thereof containing epoxiconazole |
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| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Open date: 20080625 |