CN102805090A - Pyraclostrobin aqueous suspension agent and preparation method of pyraclostrobin aqueous suspension agent - Google Patents
Pyraclostrobin aqueous suspension agent and preparation method of pyraclostrobin aqueous suspension agent Download PDFInfo
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- CN102805090A CN102805090A CN2012102387768A CN201210238776A CN102805090A CN 102805090 A CN102805090 A CN 102805090A CN 2012102387768 A CN2012102387768 A CN 2012102387768A CN 201210238776 A CN201210238776 A CN 201210238776A CN 102805090 A CN102805090 A CN 102805090A
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Abstract
The invention discloses a pyraclostrobin aqueous suspension agent and a preparation method of the pyraclostrobin aqueous suspension agent. The pyraclostrobin aqueous suspension agent comprises the following ingredients in percentage by weight: 1 to 50 percent of pyraclostrobin, 1 to 8 percent of dispersing agents, 1 to 10 percent of wetting agents, 0.1 to 2 percent of thickening stabilizers, 1 to 10 percent of antifreezing agents, 0.1 to 1 percent of defoaming agents, 0.1 to 0.5 percent of preservatives and the balance of de-ionized water. Except the thickening stabilizers, the materials are subjected to stirring and sand grinding, then, the thickening stabilizers are added, the stirring is carried out, and in addition, a proper number of pH regulating agents are added. The pyraclostrobin aqueous suspension agent and the preparation method have the advantages that the flashing point is high, non-flammable and non-explosive performance is realized, the production, the storage and the use are safe, the environment pollution is low, the product cost is low, the package is easy, and the like.
Description
Technical field
The present invention relates to a kind of pesticidal preparations and preparation method thereof, specifically aqueous suspension agent of a kind of pyraclostrobin and preparation method thereof.
Background technology
Chemical control is the important means of human control agricultural damage by disease and insect; Chemical pesticide plays important effect to the increasing both production and income that guarantees agricultural; Yet the use of agricultural chemicals when ensureing that grain security is produced, has also brought a series of environment and social concerns such as residual, pollution.Therefore, the developing direction of pesticidal preparations industry is progressively to safe, environmental protectionization, water baseization development.Agricultural chemicals suspension agent is meant the former medicine of solid pesticide is dispersed in the preparation in the water with the particulate below 4 microns, is a kind of nonflammable explosive, and particle diameter is little, and biologically active is high, and proportion is bigger, the environmental protection type agricultural chemical formulation that packaging volume is less.
Pesticide suspension concentrate has been compared following advantage with conventional dosage forms: no dust harzard; With water is dispersion medium, the inflammable and drug injury problem that is not produced by organic solvent; Than great, packaging volume is little; The dispersiveness of suspending agent and plate-out ability are all relatively good, and suspensibility is high, and the ability that sticks to the plant corpus surface is more intense, resistance of rainwater washing against, thereby drug effect significantly and also compares lastingly than wetting powder; Have that particle is little, active surface is big, penetration is strong, cost is low, drug effect is high.Therefore, aqueous suspension agent is other formulations of pesticide safety and environmental protections relatively, have become the bigger pesticide species of water baseization pesticides new formulation tonnage.
Pyraclostrobin is the mitochondrial respiratory inhibitor. promptly through in cytochrome b cl is synthetic, stoping electronics to shift.Have protection, treatment, blade infiltration conduction.Pyraclostrobin shows through the field control effectiveness test result: powdery mildew of cucumber, downy mildew and banana freckle, leaf spot are had the better prevention effect.There is the preparation of pyraclostrobin list agent that pulvis, wetting powder, water dispersible granules are arranged in the market.And that wetting powder, pulvis exist is big for environment pollution, and there are shortcomings such as power consumption of polymer processing height in water dispersible granules, and relevant pyraclostrobin aqueous suspension agent also appears in the newspapers at the end.The present invention is aiming to provide a kind of environmentally-friendly water-basedization of pyraclostrobin formulation and preparation method thereof, has overcome the shortcoming of existing formulation.
Summary of the invention
The object of the invention is to provide to shortcoming such as existing big for environment pollution, the preparation processing energy consumption height of the existing formulation of pyraclostrobin a kind of, pyraclostrobin aqueous suspension agent that power consumption of polymer processing low little to the environment shadow.
The preparation method that another purpose of the present invention is to provide a kind of pyraclostrobin aqueous suspension agent for pesticide industry provides a kind of novel form and new product, serves agricultural production.
Technical scheme of the present invention: for realizing above-mentioned purpose, the present invention provides a kind of pyraclostrobin aqueous suspension agent, and each component is following by weight percentage: pyraclostrobin: 1～50%; Dispersant: 1～8%; Wetting agent: 1～10%; Thickening stabilizing agent: 0.1～2%; Antifreezing agent: 1～10%; Antifoaming agent: 0.1～1%; Preservative: 0.1～0.5%; It is 6～8 that pH is regulated in the pH regulator agent, and surplus is a deionized water.
Wherein: described dispersant is selected sodium lignin sulfonate, lignin calcium iodate, polycarboxylic acid salt, lauryl alcohol polyethylene glycol oxide base ether sodium sulfate, alkyl naphthalene formaldehyde condensate sulfonates, lauryl sodium sulfate for use; The oleic acid salt, the mixing of one or more in alkyl polyoxyethylene ether sulfonate, alkylphenol-polyethenoxy base ether formaldehyde condensation products, polyoxyethylene polyoxypropylene base ether block copolymers, dodecyl polyoxyethylene ether phosphate or the alkyl naphthalene formaldehyde condensate sulfonates.
Described wetting agent is selected neopelex for use, is drawn back powder, one or more the mixing in the alkyl phenol formaldehyde resin polyoxyethylene ether sulphate, alkylphenol-polyethenoxy base ether, Nonyl pheno base ether, detergent, emulsifier 2000 series, wetting and penetrating agent T.
Described thickening stabilizing agent is selected one or more the mixing in water-soluble resin, xanthans, carboxymethyl cellulose, carboxyethyl cellulose, methylcellulose, hydrated SiO 2, bentonite, polyvinyl alcohol, the polyvinyl alcohol for use.
Described antifreezing agent is selected a kind of in ethylene glycol, propane diols, glycerine, the urea for use.
Described antifoaming agent is selected silicone oil, organic silicone, C for use
10-C
20Saturated fat acid compounds, C
8-C
10The aliphatic alcohols compound in one or more mixing.
Described preservative is selected a kind of among potassium sorbate, sodium sorbate, Sodium Benzoate, the Ka Songkaisong for use.
Adding an amount of pH regulator agent adjusting pH value in the described pyraclostrobin aqueous suspension agent is 6～8.The PH conditioning agent is selected one or more the mixing in sodium hydroxide, ammoniacal liquor, acetic acid, citric acid or the phosphoric acid for use.
Pyraclostrobin aqueous suspension agent preparation method of the present invention: even with carrying out shear-mixed in the former medicine of load weighted pyraclostrobin, dispersant, wetting agent, antifreezing agent, antifoaming agent, preservative and the deionized water input stirred tank; Feed sand mill then and carry out sand milling 4～6 times; Sand milling adds thickening stabilizing agent to particle diameter≤5um, shear agitation is even once more; Adding an amount of pH regulator agent adjusting pH value is 6～8, promptly makes the pyraclostrobin aqueous suspension agent.
In recent years, because the enhancing of people's environmental consciousness makes suspending agent gradually by replacing the trend of non-environment-friendly type formulation such as missible oil, pulvis in the past, agricultural chemicals new component newly developed in recent years goes on the market with suspending agent mostly.And its particle diameter is little, and suspensibility is high, has the adhesivity that height is being opened up at crop leaf, on drug effect, improves a lot than conventional dosage forms.
The present invention is scattered in the particle of pyraclostrobin with miniaturization in the water, is prepared into aqueous suspension agent, has the following advantages.
1, product cost is low, easily packing.
2, with water be matrix, no dust, environmental pollution is little, to producing and user's safety.
3, water baseization product, flash-point is high, does not fire not quick-friedly, produces and stores safety.
4, after the said preparation spraying, be distributed in blade surface, make it infiltrate the blade face fast, improved bactericidal effect with fine particle.
Embodiment
The present invention describes through following specific embodiment, but the invention is not restricted to following specific embodiment.In these embodiment, unless otherwise indicated, all percentages all are weight percentage.
Embodiment 1.
According to technical scheme of the present invention, take by weighing the former medicine 5% of pyraclostrobin, dispersant lignin calcium iodate 3%, wetting agent alkylphenol-polyethenoxy base ether 2%; Antifreezing agent glycerine 5%, antifoaming agent organic silicone 0.4%, preservative Ka Songkaisong 0.1%; Add deionized water to 100%, mix the back sand milling, add thickening stabilizing agent xanthans 0.2% to qualified particle diameter; Shear agitation is even, and using sodium hydroxide to regulate pH is 6～8, promptly makes 5% pyraclostrobin aqueous suspension agent.
Embodiment 2.
According to technical scheme of the present invention, take by weighing the former medicine 10% of pyraclostrobin, dispersant lauryl alcohol polyethylene glycol oxide base ether sodium sulfate 3%, wetting agent Nonyl pheno base ether 3%; Antifreeze glycol 5%, antifoaming agent organic silicone 0.4%, preservative Ka Songkaisong 0.1%; Add deionized water to 100%, mix the back sand milling, add thickening stabilizing agent Magnesiumaluminumsilicate 1.3% to qualified particle diameter; Shear agitation is even, and using ammoniacal liquor to regulate pH is 6～8, promptly makes 10% pyraclostrobin aqueous suspension agent.
Embodiment 3.
According to technical scheme of the present invention, take by weighing the former medicine 50% of pyraclostrobin, dispersant polycarboxylate 4.5%, wetting and penetrating agent T 1%; Antifreeze glycol 5%, antifoaming agent organic silicone 0.4%, preservative Ka Songkaisong 0.1%; Add deionized water to 100%, mix the back sand milling, add thickening stabilizing agent polyvinyl alcohol 0.15% to qualified particle diameter; Shear agitation is even, and using sodium hydroxide to regulate pH is 6～8, promptly makes 50% pyraclostrobin aqueous suspension agent.
Embodiment 4.
5% pyraclostrobin aqueous suspension agent of the embodiment of the invention 1～3,10% pyraclostrobin aqueous suspension agent, 50% pyraclostrobin aqueous suspension agent are following to the powdery mildew of cucumber control efficiency:
Can find out that from control efficiency pyraclostrobin aqueous suspension agent of the present invention is suitably reducing under the situation of active ingredient dosage, control efficiency is suitable with the pyraclostrobin water dispersible granules.Owing to after pyraclostrobin aqueous suspension agent spraying of the present invention is used, be distributed in crop surface with fine particle, reduction effective ingredient dosage that can be suitable.
Claims (9)
1. pyraclostrobin aqueous suspension agent, it is characterized in that: each component is following by weight percentage: pyraclostrobin: 1～50%, dispersant: 1～8%; Wetting agent: 1～10%, thickening stabilizing agent: 0.1～2%, antifreezing agent: 1～10%; Antifoaming agent: 0.1～1%; Preservative: 0.1～0.5%, it is 6～8 that pH is regulated in the pH regulator agent, surplus is a deionized water.
2. a kind of pyraclostrobin aqueous suspension agent according to claim 1; It is characterized in that: described dispersant is selected sodium lignin sulfonate, lignin calcium iodate, polycarboxylic acid salt, lauryl alcohol polyethylene glycol oxide base ether sodium sulfate, alkyl naphthalene formaldehyde condensate sulfonates, lauryl sodium sulfate for use; The oleic acid salt, the mixing of one or more in alkyl polyoxyethylene ether sulfonate, alkylphenol-polyethenoxy base ether formaldehyde condensation products, polyoxyethylene polyoxypropylene base ether block copolymers, dodecyl polyoxyethylene ether phosphate or the alkyl naphthalene formaldehyde condensate sulfonates.
3. a kind of pyraclostrobin aqueous suspension agent according to claim 1 is characterized in that: described wetting agent is selected neopelex for use, is drawn back powder, one or more the mixing in the alkyl phenol formaldehyde resin polyoxyethylene ether sulphate, alkylphenol-polyethenoxy base ether, Nonyl pheno base ether, detergent, emulsifier 2000 series, wetting and penetrating agent T.
4. a kind of pyraclostrobin aqueous suspension agent according to claim 1 is characterized in that: described thickening stabilizing agent is selected one or more the mixing in water-soluble resin, xanthans, carboxymethyl cellulose, carboxyethyl cellulose, methylcellulose, hydrated SiO 2, bentonite, polyvinyl alcohol, the polyvinyl alcohol for use.
5. a kind of pyraclostrobin aqueous suspension agent according to claim 1 is characterized in that: described antifreezing agent is selected a kind of in ethylene glycol, propane diols, glycerine, the urea for use.
6. a kind of pyraclostrobin aqueous suspension agent according to claim 1, it is characterized in that: described antifoaming agent is selected silicone oil, organic silicone, C for use
10-C
20Saturated fat acid compounds, C
8-C
10The aliphatic alcohols compound in one or more mixing.
7. a kind of pyraclostrobin aqueous suspension agent according to claim 1 is characterized in that: described preservative is selected a kind of among potassium sorbate, sodium sorbate, Sodium Benzoate, the Ka Songkaisong for use.
8. a kind of pyraclostrobin aqueous suspension agent according to claim 1 is characterized in that: one or more the mixing in sodium hydroxide, ammoniacal liquor, acetic acid, citric acid or the phosphoric acid is selected in described pH regulator agent for use.
9. pyraclostrobin aqueous suspension agent preparation method; It is characterized in that: shear-mixed is even with carrying out in the former medicine of load weighted pyraclostrobin, dispersant, wetting agent, antifreezing agent, antifoaming agent, preservative and the deionized water input stirred tank, feeds sand mill then and carries out sand milling 4～6 times, and sand milling is to particle diameter≤5um; Add thickening stabilizing agent; Shear agitation is even once more, and adding an amount of pH regulator agent adjusting pH value is 6～8, promptly makes the pyraclostrobin aqueous suspension agent.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103283720A (en) * | 2013-06-26 | 2013-09-11 | 山东潍坊润丰化工有限公司 | Preparation method of suspending agent |
| CN104872160A (en) * | 2015-05-14 | 2015-09-02 | 京博农化科技股份有限公司 | Pyraclostrobin preparation and preparation method thereof |
| CN105859393A (en) * | 2016-03-31 | 2016-08-17 | 太仓市东泾农场专业合作社 | A trace element-rich sterilization liquid |
| CN105994325A (en) * | 2016-08-05 | 2016-10-12 | 广州市真格农业科技有限公司 | Pyraclostrobin aqua and preparation method thereof |
| CN106259391A (en) * | 2016-08-17 | 2017-01-04 | 河北威远生化农药有限公司 | A kind of pyraclostrobin potentiation aqueous suspension agent and preparation method thereof |
| CN107372479A (en) * | 2017-07-17 | 2017-11-24 | 范强 | A kind of auxiliary agent of agricultural chemicals suspension agent |
| CN109619109A (en) * | 2019-01-21 | 2019-04-16 | 深圳诺普信农化股份有限公司 | A kind of pyraclostrobin compounds aqueous suspension agent and preparation method thereof with figured silk fabrics bacterium amine |
| CN109953016A (en) * | 2017-12-25 | 2019-07-02 | 江苏托球农化股份有限公司 | A kind of pyraclostrobin suspending agent and preparation method thereof |
| CN110547300A (en) * | 2019-09-18 | 2019-12-10 | 广西中烟工业有限责任公司 | composition for preventing and treating mildew and rot disease of tobacco leaves, pesticide preparation, and preparation method and application thereof |
| CN111184013A (en) * | 2020-02-25 | 2020-05-22 | 北京汉莫克化学技术有限公司 | Pyraclostrobin suspending agent and preparation method thereof |
| CN112042663A (en) * | 2020-10-14 | 2020-12-08 | 惠州市银农科技股份有限公司 | Pyraclostrobin suspending agent and preparation method thereof |
| CN115943952A (en) * | 2022-12-20 | 2023-04-11 | 惠州市银农科技股份有限公司 | Suspending agent containing pyraclostrobin and flumorph and preparation method thereof |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103283720A (en) * | 2013-06-26 | 2013-09-11 | 山东潍坊润丰化工有限公司 | Preparation method of suspending agent |
| CN103283720B (en) * | 2013-06-26 | 2014-08-27 | 山东潍坊润丰化工股份有限公司 | Preparation method of suspending agent |
| CN104872160A (en) * | 2015-05-14 | 2015-09-02 | 京博农化科技股份有限公司 | Pyraclostrobin preparation and preparation method thereof |
| CN105859393A (en) * | 2016-03-31 | 2016-08-17 | 太仓市东泾农场专业合作社 | A trace element-rich sterilization liquid |
| CN105994325A (en) * | 2016-08-05 | 2016-10-12 | 广州市真格农业科技有限公司 | Pyraclostrobin aqua and preparation method thereof |
| CN106259391A (en) * | 2016-08-17 | 2017-01-04 | 河北威远生化农药有限公司 | A kind of pyraclostrobin potentiation aqueous suspension agent and preparation method thereof |
| CN107372479A (en) * | 2017-07-17 | 2017-11-24 | 范强 | A kind of auxiliary agent of agricultural chemicals suspension agent |
| CN109953016A (en) * | 2017-12-25 | 2019-07-02 | 江苏托球农化股份有限公司 | A kind of pyraclostrobin suspending agent and preparation method thereof |
| CN109619109A (en) * | 2019-01-21 | 2019-04-16 | 深圳诺普信农化股份有限公司 | A kind of pyraclostrobin compounds aqueous suspension agent and preparation method thereof with figured silk fabrics bacterium amine |
| CN110547300A (en) * | 2019-09-18 | 2019-12-10 | 广西中烟工业有限责任公司 | composition for preventing and treating mildew and rot disease of tobacco leaves, pesticide preparation, and preparation method and application thereof |
| CN110547300B (en) * | 2019-09-18 | 2022-03-29 | 广西中烟工业有限责任公司 | Composition for preventing and treating mildew and rot disease of tobacco leaves, pesticide preparation, and preparation method and application thereof |
| CN111184013A (en) * | 2020-02-25 | 2020-05-22 | 北京汉莫克化学技术有限公司 | Pyraclostrobin suspending agent and preparation method thereof |
| CN111184013B (en) * | 2020-02-25 | 2021-12-14 | 北京凯贝瑞农业科技有限公司 | Pyraclostrobin suspending agent and preparation method thereof |
| CN112042663A (en) * | 2020-10-14 | 2020-12-08 | 惠州市银农科技股份有限公司 | Pyraclostrobin suspending agent and preparation method thereof |
| CN112042663B (en) * | 2020-10-14 | 2021-11-09 | 惠州市银农科技股份有限公司 | Pyraclostrobin suspending agent and preparation method thereof |
| CN115943952A (en) * | 2022-12-20 | 2023-04-11 | 惠州市银农科技股份有限公司 | Suspending agent containing pyraclostrobin and flumorph and preparation method thereof |
| CN115943952B (en) * | 2022-12-20 | 2023-08-22 | 惠州市银农科技股份有限公司 | Suspending agent containing pyraclostrobin and flumorph and preparation method thereof |
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Application publication date: 20121205 |