CN101518233B - Spirodiclofen water dispersible granule and preparation method thereof - Google Patents
Spirodiclofen water dispersible granule and preparation method thereof Download PDFInfo
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- CN101518233B CN101518233B CN 200810101126 CN200810101126A CN101518233B CN 101518233 B CN101518233 B CN 101518233B CN 200810101126 CN200810101126 CN 200810101126 CN 200810101126 A CN200810101126 A CN 200810101126A CN 101518233 B CN101518233 B CN 101518233B
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- water dispersible
- dispersible granule
- spirodiclofen
- disintegrant
- dispersant
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Abstract
The invention relates to an agricultural acaricide, in particular to a spirodiclofen water dispersible granule and a preparation method thereof. The water dispersible granule is a regular or irregulargranule developed based on wettable powder and a water suspending agent. The water dispersible granule overcomes the defects of emulsifiable solution, the wettable powder and the water suspending age nt and auxiliary agents with different components are added to the formula. The implementation effect shows that the spirodiclofen water dispersible granule has good dispersibility, indefinitely suspended working substances, fast disintegration speed with the disintegration time less than 3 min and good hot storage stability.
Description
Technical field
The present invention relates to a kind of agricultural chemicals miticide, particularly a kind of spirodiclofen water dispersible granule and preparation method thereof.
Technical background
At present, the farm killing mite agent is a lot, and spiral shell mite ester is wherein a kind of.It is the miticide of Bayer Cropscience Co.,Ltd's brand-new mechanism of action that develops for many years consuming time.It destroys the energy metabolism activity of acarid, thereby plays acaricidal action through suppressing the lipogenesis in the evil mite body.Its mite mechanism of killing is different from existing various miticide fully, so do not have the cross resistance problem in other existing miticide, can be used for preventing and treating multiple resistance tetranychid.2003, Brazil's listing at first in South America of this product was used for preventing and treating citrus reticulata leaf spiders, has just sold 45 kilolitre preparations then, and having shot up by 2005 is the maximum miticide kind on the Brazilian citrus market.Spiral shell mite ester has wide spectrum, the ovum children holds concurrently and kills, and the lasting period is long, and toxicity is low, characteristics such as the no transreactance property of safety.
Water dispersible granules is on the basis of wetting powder and aqueous suspension agent, to grow up.Though aqueous suspension agent is the environmental protection preparation, working condition is required height, the high-load preparation can not realize that its production, packing and cost of transportation are high, causes use cost to increase; Wetting powder processing and use in, dust pollution serious harm health.The water-dispersible grain grain does not use any organic solvent, and has overcome the shortcoming of wetting powder and aqueous suspension agent, has had both the advantage of three kinds of preparations, is a main trend of present pesticidal preparations development.
Summary of the invention
The purpose of this invention is to provide a kind of spirodiclofen water dispersible granule and preparation method thereof.
Another one purpose of the present invention is exactly in order to develop a kind of high-load, environment-friendly type, and production cost is low, spirodiclofen water dispersible granule easy to use and preparation method thereof.
Spirodiclofen water dispersible granule of the present invention has following advantage:
1, miticide preparation of the present invention is difficult for producing poisoning to environment, people and animals and other beneficial organism safety.
2, miticide preparation of the present invention does not have dust, the particle disintegration rate is fast and do not have bales stained.
3, miticide preparation stored of the present invention has good stability, and can deposit more than 2 years.
4, miticide preparation preparing process of the present invention is simpler, easy to use, is suitable for large scale application.
The objective of the invention is to realize by following technical scheme:
For a better understanding of the present invention, the present invention is described further, but the scope that the present invention requires to protect is not limited to the scope that embodiment representes below in conjunction with embodiment.
Instance 1
Taking by weighing content is the former medicine 10.5kg of 95% spiral shell mite ester, alkyl naphthalene formaldehyde condensate sulfonates 3.0kg, phenethyl phenol polyoxydivinyl ether 2.0kg, sulfuric acid amine 20.0kg, polyethylene glycol 3.0kg, kaolin 61.5kg; After mixing; Be ground into powder through micro jet; Add then and carry out granulation, drying in the fluidized bed prilling dryer, screening is after sample analysis, qualified can pack 10% spirodiclofen water dispersible granule.
Instance 2
Taking by weighing content is the former medicine 21.1kg of 95% spiral shell mite ester, alkylnaphthalene sulfonate formaldehyde condensation products 3.0kg, lignosulfonates 2.0kg, bentonite 20.0kg, polyethylene glycol 3.0kg, sodium hydrogen phosphate 1.0kg, kaolin 49.9kg; After mixing; Be ground into powder through micro jet; Add then and carry out granulation, drying in the fluidized bed prilling dryer, screening is after sample analysis, qualified can pack 20% spirodiclofen water dispersible granule.
Instance 3
Taking by weighing content is the former medicine 31.6kg of 95% spiral shell mite ester, alkylnaphthalene sulfonate formaldehyde condensation products 5.0kg, sodium methylene bis-naphthalene sulfonate 3.0kg, sodium sulphate 20.0kg, polyvinyl alcohol 2.0kg, sodium hydrogen phosphate 1.0kg, kaolin 37.4kg; After mixing; Be ground into powder through micro jet; Add then and carry out granulation, drying in the fluidized bed prilling dryer, screening is after sample analysis, qualified can pack 30% spirodiclofen water dispersible granule.
Instance 4
Taking by weighing content is the former medicine 42.1kg of 95% spiral shell mite ester, alkyl phenol polyoxydivinyl ether formaldehyde condensation products 6.0kg, sodium methylene bis-naphthalene sulfonate 3.0kg, bentonite 15.0kg, white carbon black 2.0kg, diatomite 31.9kg; After mixing; Be ground into powder through micro jet; Add then and carry out granulation, drying in the fluidized bed prilling dryer, screening is after sample analysis, qualified can pack 40% spirodiclofen water dispersible granule.
Instance 5
Taking by weighing content is the former medicine 52.6kg of 95% spiral shell mite ester, alkyl sulfate 6.0kg, sodium methylene bis-naphthalene sulfonate 3.0kg, sulfuric acid amine 15.0kg, polyvinyl alcohol 2.0kg, potter's clay 21.4kg; After mixing; Be ground into powder through micro jet; Add then and carry out granulation, drying in the fluidized bed prilling dryer, screening is after sample analysis, qualified can pack 50% spirodiclofen water dispersible granule.
Instance 6
Taking by weighing content is the former medicine 63.2kg of 95% spiral shell mite ester, alkyl phenol polyoxydivinyl ether formaldehyde condensation products 6.0kg, polycarboxylate 4.0kg, bentonite 10.0kg, white carbon black 2.0kg, precipitated calcium carbonate 14.8kg; After mixing; Be ground into powder through micro jet; Add then and carry out granulation, drying in the fluidized bed prilling dryer, screening is after sample analysis, qualified can pack 60% spirodiclofen water dispersible granule.
Claims (2)
1. a spirodiclofen water dispersible granule is characterized in that spiral shell mite ester formulation is rule or irregular particle shape, and by weight percentage, it is filled a prescription as follows:
The former medicine of spiral shell mite ester: 5-80%
Wetting agent: 2-10%
Dispersant: 2-20%
Disintegrant: 3-20%
Binding agent: 2-5%
Carrier: supply 100%
Described wetting agent is an alkyl phenol polyoxydivinyl ether formaldehyde condensation products; Described dispersant is a sodium methylene bis-naphthalene sulfonate; Described disintegrant is the mixture of sodium sulphate and sodium hydrogen phosphate; Described binding agent is a polyvinyl alcohol; Described carrier is a kaolin.
2. the method for preparing the described spirodiclofen water dispersible granule of claim 1; It is characterized in that; By weight percentage, each component in will filling a prescription: the former medicine 5-80% of spiral shell mite ester, wetting agent 2-10%, dispersant 2-20%, disintegrant 3-20%, binding agent 2-5%, carrier are supplied 100% and are mixed, and are ground into powder through micro jet; Add granulation in the fluidized bed prilling dryer, drying then, make spirodiclofen water dispersible granule after the screening;
Described wetting agent is an alkyl phenol polyoxydivinyl ether formaldehyde condensation products; Described dispersant is a sodium methylene bis-naphthalene sulfonate; Described disintegrant is the mixture of sodium sulphate and sodium hydrogen phosphate; Described binding agent is a polyvinyl alcohol; Described carrier is a kaolin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810101126 CN101518233B (en) | 2008-02-28 | 2008-02-28 | Spirodiclofen water dispersible granule and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810101126 CN101518233B (en) | 2008-02-28 | 2008-02-28 | Spirodiclofen water dispersible granule and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101518233A CN101518233A (en) | 2009-09-02 |
| CN101518233B true CN101518233B (en) | 2012-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810101126 Expired - Fee Related CN101518233B (en) | 2008-02-28 | 2008-02-28 | Spirodiclofen water dispersible granule and preparation method thereof |
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| Country | Link |
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| CN (1) | CN101518233B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101816303B (en) * | 2010-04-30 | 2014-02-12 | 海南大学 | Spirodiclofen hot aerosol and preparation method thereof |
| CN102177891A (en) * | 2011-03-22 | 2011-09-14 | 浙江大学 | Spiromesifen water dispersant |
| CN102657167A (en) * | 2012-04-12 | 2012-09-12 | 广西田园生化股份有限公司 | Ultra low volume liquid formulation containing spirodiclofen |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1268290A (en) * | 2000-04-25 | 2000-10-04 | 江苏省农药研究所 | Granulating method of pesticide water-dispersing granules preparation |
| WO2006106798A1 (en) * | 2005-03-30 | 2006-10-12 | Nihon Nohyaku Co., Ltd. | Pest control agent and method of using the same |
| CN101015299A (en) * | 2006-11-01 | 2007-08-15 | 张少武 | Water-dispersed granule pesticide composition and making method thereof |
-
2008
- 2008-02-28 CN CN 200810101126 patent/CN101518233B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1268290A (en) * | 2000-04-25 | 2000-10-04 | 江苏省农药研究所 | Granulating method of pesticide water-dispersing granules preparation |
| WO2006106798A1 (en) * | 2005-03-30 | 2006-10-12 | Nihon Nohyaku Co., Ltd. | Pest control agent and method of using the same |
| TW200800021A (en) * | 2005-03-30 | 2008-01-01 | Nihon Nohyaku Co Ltd | Pest-controlling agent and a method for using the same |
| CN101015299A (en) * | 2006-11-01 | 2007-08-15 | 张少武 | Water-dispersed granule pesticide composition and making method thereof |
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| Publication number | Publication date |
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| CN101518233A (en) | 2009-09-02 |
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