CN101167464B - Clofentezine water dispersible granule and preparation method thereof - Google Patents
Clofentezine water dispersible granule and preparation method thereof Download PDFInfo
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- CN101167464B CN101167464B CN2007101955471A CN200710195547A CN101167464B CN 101167464 B CN101167464 B CN 101167464B CN 2007101955471 A CN2007101955471 A CN 2007101955471A CN 200710195547 A CN200710195547 A CN 200710195547A CN 101167464 B CN101167464 B CN 101167464B
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Abstract
The invention discloses compound clofentezine water dispersible granule which belongs to the acaricide technology in the field of agronomic crop protection. The invention comprises clofentezine 20-800parts, humectant 10-40 parts, dispersing agent 20-50 parts, disintegrant 10-50 parts, adsorbent 10-30 parts, adhesion agent 10-30 parts, stabilizing agent 10-80 parts and filler 50-500 parts. The above components are mixed according to a certain proportion, homogeneously agitated, disintegrated for mesh powder, mesh powder and adhesion agent are homogeneously mixed, and then the clofentezine waterdispersible granule is achieved after granulation, drying and riddling. The invention overcomes the defects of prior clofentezine agent and decreases application costs for farmers and environment pol lution. Besides, the invention has the advantages of high content, rapid disintegration, good dispersibility, convenient storage, stability, high activity degree, good effect and safety. The inventionis mainly applied in the prevention and cure of citrus red mite, European red mite and citrus rust mite.
Description
Technical field
The present invention relates to a kind of farm killing mite agent, active ingredient is four mite piperazines, and formulation is a water dispersible granules, and preparation method thereof.
Be mainly used in the control of citrus red mite, European red mite, oranges and tangerines blister mite.
Background technology
At present, farm killing mite agent kind is a lot, four mite piperazines are wherein a kind of, belong to the organic nitrogen miticide, the evil mite is had very strong action of contace poison, very high to mite ovum lethality, to also having very strong lethality as if mite, young mite, can suppress egg laying amount of female one-tenth mite and the incubation rate of being laid eggs, so be mainly used in the ovum of killing two spotted spider mite and blister mite.The former powder list of four mite piperazines agent in the market is made generally in wetting powder use and suspending agent and uses.And the agent of wettable powder list and suspending agent are seriously polluted in preparation and use, and human and environment is all had very big harm, and effective rate of utilization is low, and the lasting period is short, and the fortune storage is inconvenient, shortcomings such as difficult packing, use cost height.Water dispersible granules has not only reduced peasant's use cost, and has reduced the pollution to environment, and the present invention in use has content height, fast, the good dispersion of disintegration, is beneficial to the advantage of storing and stability, and activity is high, usefulness is good, safety.
European red mite: the main harm blade, the canescence spot appears in the blade initial stage of being injured, and blade cloth presents grey canescence when serious, but do not fall leaves, mainly influenced the photosynthesis of crop, not only cause blade withered and yellow, also cause tree vigo(u)r to wilt, cause for the whole physiology phase and have a strong impact on.
Citrus red mite: the oranges and tangerines producing region spreads all over the country, it is worldwide oranges and tangerines evil mite, it is the main harmful mite in China oranges and tangerines producing region, oranges and tangerines nursery stock, treelet and big tree all are injured, and it is the heaviest to be injured with nursery stock and treelet, mainly stings the juice of phyllidium sheet, spray and fruit etc., be injured the heaviest with blade, cause harm and cause leaf abscission and spike top when serious, often cause a large amount of sheddings, have a strong impact on output and tree vigo(u)r.
The oranges and tangerines blister mite: be commonly called as " rust mite ", mainly be clustered in leaf, really, branch, puncture epidermal cell and suck nutrient solution, the killed back of fruit epidermal cell destroys, the pericarp blackening causes scale, serious causes shedding.
Summary of the invention
The objective of the invention is to improve one satisfactory for result, the efficient height, active ingredient usage amount height, environmental pollution is little, use easily, use cost is low, and the safety coefficient height is pollution-free to the crop blade face, can promote the photosynthesis of crop, packing is simple, and storing is convenient, during use human body is not had the science environmental protection formulation of injury.Another purpose is to be prepared into outstanding formulation and easy to use, the high high-content water-dispersion granula of practical efficiency.
Technical scheme among the present invention and like this realize that a kind of clofentezine water dispersible granule composition comprises: 50 parts～500 parts of four mite piperazine 20-800 parts, wetting agent 10-40 part, dispersant 20-50 part, disintegrant 10-50 part, adsorbent 10-30 part, adhesive agent 10-30 part, stabilizing agent 10-80 part, filler.Wherein, the auxiliary agent type that water dispersible granules according to claim 1 is required is prepared according to the product concrete condition.
Owing to add the auxiliary agent of heterogeneity, make active quantities height of the present invention among the present invention, pollutes little, availability height, convenient, the stable easily use of storing.Have also that disintegration rate is fast, the advantage of good dispersion, good fluidity.
The preparation method's of a kind of clofentezine water dispersible granule of the present invention technology, the technical indicator of product is as follows:
Four mite piperazine content 1-80%
Moisture %≤2.5
PH value scope 6.0～8.0
Suspensibility % 〉=75
Particle size range (225-800 μ m) % 〉=98
Dispersed % 〉=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 is qualified
Embodiment
The present invention will be further described below in conjunction with example:
Embodiment 1
Take by weighing 800 parts in the former powder of four mite piperazines, 20 parts of wetting agent alkyl sulfates, 30 parts in dispersant aliphatic alcohol polyethenoxy base ether, 20 parts in disintegrant ammonium sulfate, 10 parts in adsorbent diatomite, 20 parts of stabilizing agent sodium hydrogen phosphates, 90 parts of filler precipitated calcium carbonates, after it is mixed, obtain female powder through the airslide disintegrating mill pulverizing, female powder is mixed evenly with 10 parts of adhesive polyvinyl alcohol, granulation then, dry, sieve clofentezine water dispersible granule, be 89.01～97.89% for control European red mite its control efficiency in force.
Embodiment 2
Take by weighing 750 parts in the former powder of four mite piperazines, 26 parts of wetting agent sodium alkyl sulfonates, 37 parts in dispersant alkylphenol-polyethenoxy base ether, 28 parts of disintegrant anhydrous sodium sulfates, 14 parts of adsorbent white carbons, 18 parts of stabilizing agent succinic acid, 110 parts of filler kaolin, after it is mixed, pulverize through airslide disintegrating mill and to obtain female powder, female powder and 17 parts of adhesive gelatin are mixed, granulation then, oven dry, sieve clofentezine water dispersible granule, be 90.08～98.11% for control citrus red mite its control efficiency in force.
Embodiment 3
Take by weighing 770 parts in the former powder of four mite piperazines, 30 parts of wetting agent alkylbenzenesulfonates, 35 parts in dispersant alkylphenol-polyethenoxy base ether, 24 parts in disintegrant calcium chloride, 12 parts in No. 45, adsorbent lignin, 15 parts of stabilizing agent oxalic acid, 97 parts of filler anhydrous sodium sulfates, after it is mixed, pulverize through airslide disintegrating mill and to obtain female powder, female powder and 17 parts of adhesive polyethylene glycol are mixed, granulation then, oven dry, sieve clofentezine water dispersible granule, be 88.23～97.99% for its control efficiency of control oranges and tangerines blister mite in force.
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 clofentezine water dispersible granule, following steps are arranged:
A), choose raw material, it is mixed according to the prescription of clofentezine water dispersible granule;
B), after carrying out ultramicro grinding with above mixture, airslide disintegrating mill obtains female powder;
C), the female powder that obtains after the ultramicro grinding is mixed by prescription and binding agent;
D), above mixture is carried out granulation on comminutor;
E), above shot-like particle is dried;
F), promptly obtain Imibenconazole water dispersible granule after the shot-like particle after will drying sieves.
The clofentezine water dispersible granule that adopts prescription of the present invention to process, its implementation result shows, this product has good dispersiveness, working substance suspension in indefinite duration, disintegration rate is fast, disintegration time is short, heat storage stability is good, the present invention kills mite usefulness height in production application, European red mite, citrus red mite and oranges and tangerines blister mite are all reached more than 88% for each control of pest mite effect, crops are not had poisoning.
Owing to added the auxiliary agent of heterogeneity, make that the present invention has the active component content height, disintegration rate is fast, dispersive property good, good fluidity, heat storage property be stable among the present invention; Be convenient to advantages such as storage, transportation and environmental pollution are little, in use bactericidal potency height, safety are good.
Claims (2)
1. a clofentezine water dispersible granule is characterized in that this agriculture chemicals fungicide is shaped as rule or irregular coccoid; Its agriculture chemicals fungicide composition is as follows by mass ratio:
Bulk drug: 800 parts
Wetting agent alkyl sulfate: 20 parts
Dispersant aliphatic alcohol polyethenoxy base ether: 30 parts
Disintegrant ammonium sulfate: 20 parts
Adsorbent diatomite: 10 parts
Stabilizing agent sodium hydrogen phosphate: 20 parts
Filler precipitated calcium carbonate: 90 parts
Binding agent polyvinyl alcohol: 10 parts.
2. the purposes of clofentezine water dispersible granule control two spotted spider mite according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101955471A CN101167464B (en) | 2007-12-07 | 2007-12-07 | Clofentezine water dispersible granule and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101955471A CN101167464B (en) | 2007-12-07 | 2007-12-07 | Clofentezine water dispersible granule and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101167464A CN101167464A (en) | 2008-04-30 |
| CN101167464B true CN101167464B (en) | 2010-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2007101955471A Expired - Fee Related CN101167464B (en) | 2007-12-07 | 2007-12-07 | Clofentezine water dispersible granule and preparation method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103263871A (en) * | 2013-05-31 | 2013-08-28 | 滁州市润达溶剂有限公司 | Water-soluble diffusion agent |
| CN115669654A (en) * | 2022-11-22 | 2023-02-03 | 新沂市泰松化工有限公司 | Pyridaben water dispersible granule and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1082814A (en) * | 1992-06-16 | 1994-03-02 | 纳幕尔杜邦公司 | Water-dispersible granular agricultural compositions |
| CN101015299A (en) * | 2006-11-01 | 2007-08-15 | 张少武 | Water-dispersed granule pesticide composition and making method thereof |
-
2007
- 2007-12-07 CN CN2007101955471A patent/CN101167464B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1082814A (en) * | 1992-06-16 | 1994-03-02 | 纳幕尔杜邦公司 | Water-dispersible granular agricultural compositions |
| CN101015299A (en) * | 2006-11-01 | 2007-08-15 | 张少武 | Water-dispersed granule pesticide composition and making method thereof |
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| CN101167464A (en) | 2008-04-30 |
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Assignee: Shanxi Thompson Biological Technology Co., Ltd. Assignor: Zhang Shaowu Contract record no.: 2011610000012 Denomination of invention: Clofentezine water dispersible granule and preparation method thereof Granted publication date: 20100407 License type: Common License Open date: 20080430 Record date: 20110310 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100407 Termination date: 20161207 |