CN101171920A - Epoxiconazole water decentrality granula agriculture chemicals fungicide and method for producing its product - Google Patents
Epoxiconazole water decentrality granula agriculture chemicals fungicide and method for producing its product Download PDFInfo
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- CN101171920A CN101171920A CNA2007100188631A CN200710018863A CN101171920A CN 101171920 A CN101171920 A CN 101171920A CN A2007100188631 A CNA2007100188631 A CN A2007100188631A CN 200710018863 A CN200710018863 A CN 200710018863A CN 101171920 A CN101171920 A CN 101171920A
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Abstract
The invention discloses epoxiconazole water dispersible granule agricultural chemical disinfectant and the product preparation method thereof. The agricultural chemical component comprises 100 to 850 shares of epoxiconazole, 1 to 285 share(s) of auxiliary agent, and 10 to 550 shares of carrier. The invention includes the preparation steps that: raw material medicine, auxiliary agent and carrier are weighed, evenly mixed and performed with ultra-micro crushing through an air flow crushing machine, to obtain fine powder of 500 to 800 meshes; the fine powder and the aqueous solution of binding agent are added into a mixer to be evenly mixed, and the mixture is granulated through a pendular type granulating machine, and dried under the low temperature of 50 to 80 DEG C, to obtain the water dispersible granule of the agricultural chemical type. The technology is simple, the cost is low, the invention has no toxicity, and the use is secure. The invention has the advantages that the content of the active component is high, the dispersion property in water is good, the environmental pollution is small, the disintegration speed is quick, the storage is stable, and the medicine exertion is complete, thereby the invention is suitable for the crop prevention of sheath blight and powdery mildew, 2500 times of the disinfectant is sprayed to prevent the sheath blight of the crop, and the prevention effect after 8 days is 86 to 90 percent.
Description
Technical field
The present invention relates to agriculture chemicals fungicide and prepare the method for this product, be specifically related to the method for a kind of epoxiconazole water decentrality granula agriculture chemicals fungicide and preparing product.
Background technology
At present, China's pesticide species and formulation are all a lot, how to occur with emulsifiable concentrate and wetting powder formulation.Because the missible oil formulation is used a large amount of organic benzene-like compounds, wetting powder in process of production, exist the drug dust in production and the farmland dispenser to be easy to the severe contamination that causes of operating personnel and ecotope is endangered, and the plant effective rate of utilization is low, the residue of pesticide time is long, easy-clear not again has defectives such as certain influence to the physical and mental health of numerous people.
Summary of the invention
The purpose of this invention is to provide a kind of nonhazardous, pollution-free, production technology is simple, and cost is low, and is easy to use, operator ' s health is not had injury and environmentally safe, improved the water decentrality granula agriculture chemicals fungicide of the rate of dispersion of medicine in water simultaneously greatly.
Another object of the present invention provides a kind of method of preparing product.
In order to overcome the deficiencies in the prior art, solve technical scheme of the present invention and be achieved in that a kind of epoxiconazole water decentrality granula agriculture chemicals fungicide, its outstanding this agricultural chemicals that is characterised in that is shaped as rule or irregular coccoid; Its farm chemical ingredients is as follows by mass ratio:
Bulk drug: 100 parts～850 parts
Auxiliary agent: 1 part～285 parts
Carrier: 10 parts～550 parts
Described bulk drug is a fluorine ring azoles.
Described auxiliary agent, can be sodium alkyl sulfate, polycarboxylate, alkylphenol polyoxyethylene, fatty alcohol-polyoxyethylene ether, sulfite cellulose solid dry substance, oxirane propylene oxide block copolymer, starch, Macrogol 6000, Span-80, Tween-80, silicone defoamer, one of them and combination;
Described carrier can be one of them or combination wherein of urea, calcium monohydrogen phosphate, ammonium sulfate, kaolin, white carbon, bentonite and diatomite;
The method for preparing claim 1 product, undertaken by following step:
I, according to the purposes that will prepare the water dispersant granule pesticide, accurately take by weighing above-mentioned bulk drug, one or both or two or more auxiliary agents, one or both or two or more carriers, after mixing, carry out ultramicro grinding, obtain 500 orders～800 order fine powders with airslide disintegrating mill;
II, gained fine powder and binding agent (water) solution added in the blender mix, through the oscillating granulator granulation, 50～80 ℃ of following low temperature dryings promptly obtain the water-dispersible granules of agricultural chemicals.
The present invention compared with prior art, it is simple to have production technology, cost is low, easy to use, operator ' s health there are not the injury and the characteristics of environmentally safe, the present invention is owing to having taked the air-flow superfine communication technique, the granularity of the medicinal powder after the pulverizing is very little generally more than 500 orders, make the specific surface area of raw material increase thousands of times, added the very high auxiliary agent of different activity, improved active component, higher suspension rate, high bioactivity, safe in utilization; Have the good dispersiveness and the characteristics of storage-stable, make the bioavailability of effective ingredient improve greatly, make the dispersity of effective ingredient in water be greatly enhanced, disintegration rate is accelerated, and effectively improves drug effect.Simultaneously adjuvant used, carrier is nonhazardous, pollution-free, has reduced the pollution to environment and operating personnel, is applicable to the damping off of control crop and powdery mildew etc.
Description of drawings
Accompanying drawing 1 is the technological process of production figure of preparing product of the present invention.
Embodiment
Accompanying drawing is the embodiment of the technological process of production figure of preparing product of the present invention.
Below in conjunction with accompanying drawing content of the present invention is described further:
A kind of epoxiconazole water decentrality granula agriculture chemicals fungicide, its agriculture chemicals fungicide are shaped as rule or irregular coccoid; Its agriculture chemicals fungicide composition is as follows by mass ratio:
Bulk drug: 100 parts～850 parts
Auxiliary agent: 1 part～285 parts
Carrier: 10 parts～550 parts
A kind of epoxiconazole water decentrality granula agriculture chemicals fungicide, by quality than one of comprising in the composition in wherein following each auxiliary agent or wherein being combined as 5 parts～30 parts alkylphenol polyoxyethylene, 5 parts～30 parts fatty alcohol-polyoxyethylene ether, 20 parts～50 parts sulfite cellulose solid dry substances, 15 parts～40 parts oxirane propylene oxide block copolymers, 5 parts～20 parts Macrogol 6000s, 10 parts～30 parts sodium alkyl sulfates, 15 parts～40 parts polycarboxylates, 5 parts～20 parts of Span-80s, 5 parts～20 parts of Tween-80s, 1 part～5 parts of defoamers.
A kind of epoxiconazole water decentrality granula agriculture chemicals fungicide, by quality than comprising wherein one of following carrier in the composition or wherein being combined as 10 parts～30 parts urea, 10 parts～150 parts starch, 35 parts～50 parts calcium monohydrogen phosphates, 50 parts～100 parts ammonium sulfate, 40 parts～100 parts kaolin, 25 parts～40 parts white carbons, 60 parts～80 parts diatomite.
The method for preparing claim 1 product, undertaken by following step:
I, according to the purposes that will prepare the water dispersant granule pesticide, take by weighing above-mentioned bulk drug, one or both or two or more auxiliary agents, one or both or two or more carriers, after mixing, carry out ultramicro grinding, obtain 500 orders～800 order fine powders with airslide disintegrating mill;
II, the aqueous solution of gained fine powder and appropriate amount of addition agent added in the blender mix, through the oscillating granulator granulation, 50～80 ℃ of following low temperature dryings promptly obtain the water dispersant granula of different cultivars agricultural chemicals.
Shown in Figure 1, press quality than weighting raw materials, auxiliary agent; after carrier mixes; carry out ultramicro grinding with airslide disintegrating mill, obtain 500 orders～800 order mixing fine powders, mixing fine powders is mixed with into once more in the softwood adding blender with adhesive (water) and mixes; through the oscillating granulator granulation; 50～80 ℃ of following low temperature dryings, screening detects; pack, promptly obtain the water dispersant granula of this pesticide species.
Embodiment 1
Take by weighing 270 parts of epoxiconazole raw material medicines, 30 parts of sodium alkyl sulfates, 40 parts of polycarboxylates, 150 parts of starch, 100 parts in ammonium sulfate, 100 parts of kaolin, it is pressed conventional method mixes, after stirring, obtain 500 order fine powders through comminution by gas stream, fine powder and suitable amount of adhesive aqueous solution is even, adhesive needs preparation in advance: 10 parts of Tween 80+1 part silicone defoamer+89 parts of water mix, wet granulation then, oven dry below 60～70 ℃, the whole grain of 20～40 mesh sieves that sieve obtains 790 parts of epoxiconazole water decentrality granulas.Through the check active constituent content is 25.7%, and wetting time is 26S, and suspensibility is 92.5%, pH value 7.1, lasting foaming characteristic is 21ml, disintegrative in the water (inferior) is 13 times, moisture≤1.9%, screening (20～40 order testing sieve) is 98%, the acceleration heat storage stability is qualified.Be used to prevent and treat 2500 times of sprayings of damping off of crop in force, the control efficiency after 8 days is 86%～90%.Damping off of control crop and powdery mildew etc.
The damping off field control effectiveness test result of fluorine ring azoles WDG crop
| Chemicals treatment | Repeat | The insect population radix | After the dispenser 2My god | After the dispenser 8My god | ||
| Borer population | Preventive effect (%) | Borer population | Preventive effect (%) | |||
| 25% fluorine ring | 1 | 201 | 18 | 91.8 | 26 | 89.8 |
| 2 | 183 | 22 | 89.5 | 26 | 88.9 | |
| 2500 times of liquid of azoles WDG | 3 | 208 | 22 | 90.6 | 30 | 88.6 |
| 4 | 199 | 25 | 88.8 | 34 | 86.0 | |
| On average | 197.75 | 21.75 | 90.1 | 29 | 88.3 | |
| 25% fluorine ring azoles 2500 times of liquid of WP (contrast) | 1 | 200 | 35 | 63.9 | 44 | 62.6 |
| 2 | 188 | 34 | 64.2 | 48 | 60.1 | |
| 3 | 203 | 33 | 65.5 | 44 | 62.9 | |
| 4 | 192 | 33 | 64.7 | 43 | 61.7 | |
| On average | 195.75 | 33.75 | 64.6 | 44.75 | 61.8 | |
| The contrast clear water | 1 | 206 | 224 | / | 260 | / |
| 2 | 189 | 216 | / | 243 | / | |
| 3 | 201 | 225 | / | 255 | / | |
| 4 | 204 | 232 | / | 249 | / | |
| On average | 200 | 224.25 | / | 251.75 | / |
Embodiment 2
Take by weighing 430 parts of epoxiconazole raw material medicines, 15 parts in urea, 35 parts of alkylphenol polyoxyethylene, 40 parts of polycarboxylates, 50 parts of calcium monohydrogen phosphates, 100 parts of kaolin, 80 parts in diatomite, 10 parts of Span-80s, 10 parts of Macrogol 6000s, it is pressed conventional method mixes, after stirring, obtain 500 order fine powders through comminution by gas stream, fine powder and suitable amount of adhesive solution are mixed adhesive preparation in advance: 1 part of silicone defoamer+99 part water mixes, wet granulation then, oven dry below 50～60 ℃, (20～40 mesh sieve) the whole grain that sieves obtains 870 parts of nitrile bacterium azoles water-dispersible granules.Through the check active constituent content is 40.9%, and wetting time is 23S, and suspensibility is 94.5%, pH value 7.5, lasting foaming characteristic is 23ml, disintegrative in the water (inferior) is 10 times, moisture≤2.4%, screening (20～40 order testing sieve) is 99%, the acceleration heat storage stability is qualified.Be used to prevent and treat 12.5 parts of/mu sprayings of powdery mildew of crop in force, 10 control efficiency is 80%～83% behind the medicine.
Fluorine ring azoles WDG control crop powdery mildew field control effectiveness test result
| Handle | Repeat | Sick leaves at different levels before the medicine (really/and strain/fringe) the radix investigation result | Behind the last medicine 10They sick leaves at different levels (really/and strain/fringe) investigation result | Preventive effect (%) | |||||||||||||
| Total number of sheets | 1 grade | 3 grades | 5 grades | 7 grades | 9 grades | Disease refers to | Total number of sheets | 1 grade | 3 grades | 5 grades | 7 grades | 9 grades | Disease refers to | ||||
| 40% fluorine | 1 | 247 | 13 | 2 | 0 | 0 | 0 | 0.85 | 235 | 32 | 0 | 0 | 0 | 0 | 1.51 | 83.21 | |
| 2 | 213 | 19 | 0 | 0 | 0 | 0 | 0.99 | 209 | 28 | 1 | 0 | 0 | 0 | 1.65 | 83.38 | ||
| 3 | 257 | 15 | 1 | 0 | 0 | 0 | 0.78 | 235 | 26 | 3 | 1 | 0 | 0 | 1.89 | 80.36 | ||
| 12.5 parts/mu of ring azoles WDG | 4 | 228 | 18 | 0 | 0 | 0 | 0 | 0.88 | 221 | 41 | 0 | 0 | 0 | 0 | 2.06 | 82.07 |
| On average | 236.25 | 16.25 | 0.75 | 0 | 0 | 0 | 0.87 | 225 | 31.75 | 1 | 0.25 | 0 | 0 | 1.78 | 82.22 | |
| 40% 12.5 parts/mu of WP of fluorine ring azoles (contrast) | 1 | 240 | 15 | 0 | 0 | 0 | 0 | 0.69 | 236 | 32 | 0 | 0 | 0 | 0 | 1.51 | 69.31 |
| 2 | 221 | 17 | 0 | 0 | 0 | 0 | 0.85 | 220 | 26 | 3 | 0 | 0 | 0 | 1.77 | 69.24 | |
| 3 | 226 | 12 | 2 | 0 | 0 | 0 | 0.88 | 220 | 21 | 3 | 2 | 1 | 0 | 2.37 | 68.17 | |
| 4 | 238 | 13 | 1 | 0 | 0 | 0 | 0.75 | 216 | 29 | 1 | 1 | 0 | 0 | 1.90 | 60.60 | |
| On average | 231.25 | 14.25 | 0.75 | 0 | 0 | 0 | 0.79 | 223 | 27 | 1.75 | 0.75 | 0.25 | 0 | 1.88 | 66.83 | |
| The clear water contrast | 1 | 254 | 10 | 1 | 0 | 0 | 0 | 0.57 | 247 | 62 | 11 | 5 | 2 | 0 | 6.03 | -- |
| 2 | 236 | 8 | 2 | 0 | 0 | 0 | 0.66 | 235 | 57 | 10 | 6 | 2 | 0 | 6.62 | -- | |
| 3 | 231 | 11 | 0 | 0 | 0 | 0 | 0.53 | 236 | 55 | 12 | 5 | 2 | 0 | 6.54 | -- | |
| 4 | 247 | 12 | 0 | 0 | 0 | 0 | 0.54 | 238 | 75 | 13 | 6 | 1 | 0 | 7.05 | -- | |
| On average | 242 | 10.25 | 0.75 | 0 | 0 | 0 | 0.57 | 239 | 62.25 | 11.5 | 5.5 | 1.75 | 0 | 6.56 | -- |
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 this prescription water dispersant granula, following steps are arranged:
According to the title that will prepare the water dispersant granule pesticide, take by weighing corresponding bulk drug, auxiliary agent and corresponding carrier, carry out ultramicro grinding with airslide disintegrating mill after, corresponding 500 orders～800 order fine powders; All fine powders are mixed by above-mentioned formula rate and auxiliary agent, adhesive (water), and through waving not granulation on the granulator of granulator or, the back packing is sieved in 50～80 ℃ of following low temperature dryings, promptly obtains the water dispersant granula of this kind agricultural chemicals.
The water-dispersible granules that adopts prescription of the present invention to process our experiments show that, this product has in the good water dispersed on the basis that does not influence the main ingredient curative effect; Disintegration rate is fast, and disintegration time is less than 3min; Heat storage stability is good; And at long-time storage, transportation, good stability; Adhesion rate height in the use, lasting period are long.Safety is good, and crops are not had poisoning.
Owing to added the auxiliary agent of heterogeneity, so that the present invention has the active component content height, dispersive property is good in the water among the present invention, and suspensibility is high, and environmental pollution is little, and disintegration rate is fast, stable storage, and drug effect is brought into play the advantages such as abundant.
Claims (4)
1. be a kind of epoxiconazole water decentrality granula, it is characterized in that agriculture chemicals fungicide is shaped as rule or irregular coccoid; Its agriculture chemicals fungicide composition is as follows by mass ratio:
Bulk drug: 100 parts～850 parts
Auxiliary agent: 1 part～285 parts
Carrier: 10 parts～550 parts
Described bulk drug is a fluorine ring azoles.
Described auxiliary agent, can be sodium alkyl sulfate, polycarboxylate, alkylphenol polyoxyethylene, fatty alcohol-polyoxyethylene ether, the dried solid of sulfite cellulose solid, oxirane propylene oxide block copolymer, starch, Macrogol 6000, Span-80, Tween-80, silicone defoamer, one of them or its combination;
Described carrier can be urea, starch, calcium monohydrogen phosphate, ammonium sulfate, kaolin, white carbon and diatomite, one of them or combination wherein.
2. according to the agriculture chemicals fungicide of the described a kind of epoxiconazole water decentrality granula of claim 1, it is characterized in that described auxiliary agent, by quality than one of comprising in the composition in wherein following each auxiliary agent or interim being combined as 5 parts～30 parts alkylphenol polyoxyethylene, 5 parts～30 parts fatty alcohol-polyoxyethylene ether, 20 parts～50 parts sulfite cellulose solid dry substances, 15 parts～40 parts oxirane propylene oxide block copolymers, 5 parts～20 parts Macrogol 6000s, 10 parts～30 parts sodium alkyl sulfates, 15 parts～40 parts polycarboxylates, 5 parts～20 parts of Span-80s, 5 parts～20 parts of Tween-80s, 1 part～5 parts of defoamers.
3. according to the agriculture chemicals fungicide of the described a kind of epoxiconazole water decentrality granula of claim 1, it is characterized in that described carrier, by quality than comprising wherein one of following carrier in the composition or wherein being combined as 10 parts～30 parts urea, 10 parts～150 parts starch, 35 parts～50 parts calcium monohydrogen phosphates, 50 parts～100 parts ammonium sulfate, 40 parts～100 parts kaolin, 25 parts～40 parts white carbons, 60 parts～80 parts diatomite.
4. method for preparing claim 1 product is characterized in that being undertaken by following step:
I, according to the purposes that will prepare the water dispersant granule pesticide, take by weighing above-mentioned bulk drug, 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 500 orders～800 order fine powders with airslide disintegrating mill;
II, the aqueous solution of gained fine powder and adhesive 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.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007100188631A CN101171920A (en) | 2007-10-15 | 2007-10-15 | Epoxiconazole water decentrality granula agriculture chemicals fungicide and method for producing its product |
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| CNA2007100188631A CN101171920A (en) | 2007-10-15 | 2007-10-15 | Epoxiconazole water decentrality granula agriculture chemicals fungicide and method for producing its product |
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| CN101171920A true CN101171920A (en) | 2008-05-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101965832A (en) * | 2010-09-21 | 2011-02-09 | 湖北仙隆化工股份有限公司 | Phosmet wettable powder and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101965832A (en) * | 2010-09-21 | 2011-02-09 | 湖北仙隆化工股份有限公司 | Phosmet wettable powder and preparation method thereof |
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Open date: 20080507 |