CN101530091B - Fipronil water dispersible granules and method for manufacturing same - Google Patents
Fipronil water dispersible granules and method for manufacturing same Download PDFInfo
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- CN101530091B CN101530091B CN 200810101956 CN200810101956A CN101530091B CN 101530091 B CN101530091 B CN 101530091B CN 200810101956 CN200810101956 CN 200810101956 CN 200810101956 A CN200810101956 A CN 200810101956A CN 101530091 B CN101530091 B CN 101530091B
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- fipronil
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Abstract
The invention discloses a pesticide preparation, and in particular relates to fipronil water dispersible granules and a method for manufacturing the same. The fipronil water dispersible granules are in regular or irregular granular forms. The formula of the fipronil water dispersible granules comprises the following components by mass percentage: 30 to 80 percent of fipronil active compound, 2 to 10 percent of wetter, 2 to 10 percent of dispersant, 5 to 20 percent of disintegrating agent, 2 to 8 percent of binder and the balance of carrier based on total 100 percent. The components are mixed, uniformly stirred and ground to form concentrated powder; the concentrated powder is uniformly mixed with the binder; the mixture is made into grains; and the grains are dried and filtered by a sieve and the fipronil water dispersible granules are obtained. The water dispersible granules overcome the drawbacks of suspending agents and wettable powder and reduce the using cost for peasants and environmental pollution in processing and using processes. The fipronil water dispersible granules have the advantages of high active ingredient content, little environmental pollution, quick disintegration, good dispersivity, stable heat-storing performance, and the like due to the addition of additives with different ingredients, and have high pest-killing efficiency and high safety during use.
Description
Technical field
The present invention relates to a kind of agricultural chemical insecticide, a kind of specifically fipronil water dispersible granules and manufacturing approach thereof.
Technical background
At present, agricultural insecticide is a lot, and sharp strength spy is wherein a kind of.Sharp strength spy is a benzene pyrazoles novel pesticide.Because this medicament novel structure, the mechanism of action is unique, and insecticidal activity is high, is called high-tech insecticide of new generation.At present, sharp strength spy more than 70 country's uses in the whole world.Its main feature is: 1. insecticidal mechanism is unique, and the special insecticidal mechanism of sharp strength is the normal function of interference insect central nervous system and cause insect dead.2. efficient, wide spectrum, a large amount of result of the tests show: sharp strength spy is a kind of broad spectrum insecticide that many insects is had fine control efficiency.It is to insects such as Semiptera, Lepidoptera, thrips, coleopteras and chrysanthemum ester class, organic phosphor, carbamate insecticide have been produced drug-fast insect all have high activity.Particularly prevent and treat insects such as rice-stem borer, rice fulgorid, rice leaf roller and vegetables diamond-back moth, cabbage caterpillar, the wild snout moth's larva of beans good control efficiency is arranged.In addition, sharp strength spy also has good control efficiency to insects such as control cockroach, mosquito, termites.3. using dosage is low, because the special mechanism of action uniqueness of sharp strength, biologically active is high, so using dosage is low.During insects such as control rice-stem borer, rice fulgorid, rice thrips, vegetables diamond-back moth, cabbage caterpillar, the wild snout moth's larva of beans, per 667 square metres only need to use 30 milliliters.4. to the person poultry safety, because sharp strength spy, makes that sharp strength spy can be more closely and insect r-reanal receptors bind in the difference that exists between insect and the mammal between the nerve cell acceptor, and insect is poisoned to death, then inoperative to people and animals.And gentle to pest natural enemy, no cross resistance.Therefore, sharp strength spy is a good medicament of producing non-polluted farm product.5. have the effect that promotes plant growth, sharp strength spy has hestening rooting, branch, tillers and increases the effect of chlorophyll content in the blade to various crop such as paddy rice, cotton, soybean, thereby can improve crop yield.Present sharp strength spy in use is made generally in suspending agent and missible oil.Missible oil has used a large amount of organic solvents, and environment has been caused serious pollution, and the producer and user's health has been brought very big harm.Therefore be the formulation that falls behind and be on the verge of to eliminate relatively in the present formulations of pesticide; Though suspending agent is the environmental protection preparation, aborning process conditions are required highly, can not realize the preparation of high-load at present, and its Production and Packaging are also higher with cost of transportation, thereby cause the increase of production and use cost.
Summary of the invention
The purpose of this invention is to provide a kind of fipronil water dispersible granules and manufacturing approach thereof.
Another object of the present invention is in order to overcome the environmental pollution that exists in the prior art, to be detrimental to health and shortcoming such as use cost height and a kind of high-load of developing, environment-friendly type, and availability is high, and fipronil water dispersible granules easy to use and prescription.Water dispersible granules is on the basis of wetting powder and suspending agent, to grow up; This formulation has overcome the shortcoming of suspending agent and wetting powder; Had both the low advantage of environmental protection and use cost; In processing and use, reduced the pollution of environment and reduced peasant's use cost, be the main trend that present pesticidal preparations formulation develops.
The objective of the invention is to realize by following technical scheme:
The active ingredient of fipronil water dispersible granules is that sharp strength is special, it is characterized in that fipronil water dispersible granules is rule or irregular particle shape.Its prescription is by percentage to the quality:
Special former medicine: the 30%-80% of sharp strength
Wetting agent: 2%-10%
Dispersant: 2%-10%,
Disintegrant: 5%-20%,
Binding agent: 2%-8%,
Carrier supplies 100%
Wherein:
Humectant is selected from: phenethyl phenol polyethenoxy ether condensation product, sodium alkyl benzene sulfonate, sodium alkyl sulfate, alkyl phosphoric acid sodium, phenethyl phenol polyethenoxy ether sodium sulfate and alkylphenol-polyethenoxy level sodium sulphate, sodium lignin sulfonate; The lignin sodium iodate; Lauryl alcohol polyethylene glycol oxide base ether sodium sulfate, alkyl naphthalene formaldehyde condensate sulfonates, neopelex, lauryl sodium sulfate, potassium oleate, enuatrol, alkyl polyoxyethylene ether sulfonate,, in the alkylphenol-polyethenoxy base ether formaldehyde condensation products one or more.
Dispersant is selected from: Fluhyzon formaldehyde condensation products sodium sulfonate, alkylphenol formaldehyde condensation product sodium sulphate, in methoxyl group fatty acid amide benzene sulfonic acid sodium salt, polycarboxylic acids sodium, alkylphenol-polyethenoxy base ether formaldehyde condensation products, alkyl benzene calcium sulfonate, alkylsulfonate or sulphate, phenethyl phenol polyoxy, vinethene sodium sulfate salt or phosphate, the sorbitol polyoxyethylene base ether one or more.
Binding agent is selected from: one or more in sodium cellulose glycolate, polyethylene glycol, polyvinyl alcohol, xanthans, the gelatin.
Carrier is selected from: one or more in kaolin, bentonite, diatomite, precipitated calcium carbonate, the white carbon.
Processing method is characterized in that:
A. choose raw material according to the prescription of fipronil water dispersible granules, it is mixed;
B. through airslide disintegrating mill above mixture is carried out ultramicro grinding;
C. above mixture is carried out granulation on comminutor;
D. above shot-like particle is dried;
C. promptly get fipronil water dispersible granules after the shot-like particle of drying being sieved
Owing to added the auxiliary agent of heterogeneity, make the present invention have the active component content height among the present invention, environmental pollution is little, and disintegration rate is fast, dispersive property and heat storage steady performance, and in use bactericidal potency is high, and safety is good.
Embodiment
With instance the present invention is done more detailed explanation:
Embodiment 1
Take by weighing the special former medicine 30% of sharp strength, wetting agent APES formaldehyde condensation products 3.0%, dispersant alkylphenol formaldehyde condensation product sodium sulphate 5.0%; Disintegrant sulfuric acid amine 15%, binding agent polyethylene glycol 1.0%, kaolin supplies 100%; It is pressed conventional method mix, after stirring, pulverize through airslide disintegrating mill; Granulation then, oven dry, sieving obtains about 30% fipronil water dispersible granules.Warp check active constituent content is 30.4%, moisture≤2.6%, and screening (through the 75um sieve), suspensibility>=85%, lasting foaming characteristic (1min)≤10mL, wetability≤1min, dust≤3.0%, the acceleration heat storage stability is qualified.
Embodiment 2
Take by weighing the special former medicine 40% of sharp strength, wetting agent sodium lignin sulfonate 3.0%, dispersant alkylphenol-polyethenoxy base ether formaldehyde condensation products 5.0%; Disintegrant sulfuric acid amine 10%, binding agent polyethylene glycol 1.0%, kaolin supplies 100%; It is pressed conventional method mix, after stirring, pulverize through airslide disintegrating mill; Granulation then, oven dry, sieving obtains about 40% fipronil water dispersible granules.Warp check active constituent content is 40.2%, moisture≤2.3%, and screening (through the 75um sieve)>=98%, suspensibility>=90%, lasting foaming characteristic (1min)≤10mL, wetability≤1min, dust≤3.0%, the acceleration heat storage stability is qualified.
Embodiment 3
Take by weighing the special former medicine 50% of sharp strength, wetting agent neopelex 4.0%, dispersant alkylphenol-polyethenoxy base ether formaldehyde condensation products 6.0%; Disintegrant sulfuric acid amine 10%, binding agent polyethylene glycol 1.0%, kaolin supplies 100%; It is pressed conventional method mix, after stirring, pulverize through airslide disintegrating mill; Granulation then, oven dry, sieving obtains about 50% fipronil water dispersible granules.Warp check active constituent content is 50.5%, moisture≤2.3%, and screening (through the 75um sieve)>=98%, suspensibility>=90%, lasting foaming characteristic (1min)≤10mL, wetability≤1min, dust≤3.0%, the acceleration heat storage stability is qualified.
Embodiment 4
Take by weighing the special former medicine 70% of sharp strength, wetting agent alkyl naphthalene formaldehyde condensate sulfonates 4.0%, dispersant is to methoxyl group fatty acid amide benzene sulfonic acid sodium salt 6.0%; Disintegrant sulfuric acid amine 5%, binding agent polyvinyl alcohol 1.0%, diatomite supplies 100%; It is pressed conventional method mix, after stirring, pulverize through airslide disintegrating mill; Granulation then, oven dry, sieving obtains about 70% fipronil water dispersible granules.Warp check active constituent content is 70.1%, moisture≤2.0%, and screening (through the 75um sieve)>=98%, suspensibility>=90%, lasting foaming characteristic (1min)≤10mL, wetability≤1min, dust≤3.0%, the acceleration heat storage stability is qualified.
Embodiment 5
Take by weighing the special former medicine 80% of sharp strength, wetting agent alkyl polyoxyethylene ether sulfonate 4.0%, dispersant vinethene sodium sulfate salt or phosphate 6.0%; Disintegrant sulfuric acid amine 5%, binding agent polyvinyl alcohol 0.5%, fine particle calcium carbonate supplies 100%; It is pressed conventional method mix, after stirring, pulverize through airslide disintegrating mill; Granulation then, oven dry, sieving obtains about 80% fipronil water dispersible granules.Warp check active constituent content is 80.3%, moisture≤2.0%, and screening (through the 75um sieve)>=98%, suspensibility>=90%, lasting foaming characteristic (1min)≤10mL, wetability≤1min, dust≤3.0%, the acceleration heat storage stability is qualified.
Claims (2)
1. fipronil water dispersible granules, its effective ingredient are that sharp strength is special, it is characterized in that fipronil water dispersible granules is rule or irregular particle shape;
Realize the prescription of fipronil water dispersible granules, it is characterized in that this prescription is following with mass percent:
The special former medicine 30% of sharp strength, wetting agent APES formaldehyde condensation products 3.0%, dispersant alkylphenol formaldehyde condensation product sodium sulphate 5.0%, disintegrant ammonium sulfate 15%, binding agent polyethylene glycol 1.0%, kaolin supplies 100%; Or
The special former medicine 40% of sharp strength, wetting agent sodium lignin sulfonate 3.0%, dispersant alkylphenol-polyethenoxy base ether formaldehyde condensation products 5.0%, disintegrant ammonium sulfate 10%, binding agent polyethylene glycol 1.0%, kaolin supplies 100%; Or
The special former medicine 50% of sharp strength, wetting agent neopelex 4.0%, dispersant alkylphenol-polyethenoxy base ether formaldehyde condensation products 6.0%, disintegrant ammonium sulfate 10%, binding agent polyethylene glycol 1.0%, kaolin supplies 100%; Or
The special former medicine 70% of sharp strength, wetting agent alkyl naphthalene formaldehyde condensate sulfonates 4.0%, dispersant is to methoxyl group fatty acid amide benzene sulfonic acid sodium salt 6.0%, disintegrant ammonium sulfate 5%, binding agent polyvinyl alcohol 1.0%, diatomite supplies 100%.
2. fipronil water dispersible granules according to claim 1 is characterized in that the preparation method does
(1) chooses raw material according to the prescription of fipronil water dispersible granules, it is mixed;
(2) through airslide disintegrating mill above mixture is carried out ultramicro grinding;
(3) above mixture is carried out granulation on comminutor;
(4) above shot-like particle is dried;
The shot-like particle of oven dry is promptly got fipronil water dispersible granules after sieving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810101956 CN101530091B (en) | 2008-03-14 | 2008-03-14 | Fipronil water dispersible granules and method for manufacturing same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810101956 CN101530091B (en) | 2008-03-14 | 2008-03-14 | Fipronil water dispersible granules and method for manufacturing same |
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| Publication Number | Publication Date |
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| CN101530091A CN101530091A (en) | 2009-09-16 |
| CN101530091B true CN101530091B (en) | 2012-12-12 |
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| CN 200810101956 Expired - Fee Related CN101530091B (en) | 2008-03-14 | 2008-03-14 | Fipronil water dispersible granules and method for manufacturing same |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108651502A (en) * | 2017-03-28 | 2018-10-16 | 江苏龙灯化学有限公司 | A kind of solid Pesticidal combination and its method for preventing soil-dwelling pests |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101015299A (en) * | 2006-11-01 | 2007-08-15 | 张少武 | Water-dispersed granule pesticide composition and making method thereof |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101015299A (en) * | 2006-11-01 | 2007-08-15 | 张少武 | Water-dispersed granule pesticide composition and making method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 80%锐劲特水分散粒剂防治稻纵卷叶螟的试验;黄后琚等;《广西农学报》;20070831;第22卷;第55-56页 * |
| 华乃震.农药水分散粒剂的开发和进展.《现代农药》.2006,第5卷(第2期),第32-37页. * |
| 黄后琚等.80%锐劲特水分散粒剂防治稻纵卷叶螟的试验.《广西农学报》.2007,第22卷第55-56页. |
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| CN101530091A (en) | 2009-09-16 |
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