CN102428918A - Fenoxanil aqueous suspension and preparation method thereof - Google Patents
Fenoxanil aqueous suspension and preparation method thereof Download PDFInfo
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- CN102428918A CN102428918A CN2011103684983A CN201110368498A CN102428918A CN 102428918 A CN102428918 A CN 102428918A CN 2011103684983 A CN2011103684983 A CN 2011103684983A CN 201110368498 A CN201110368498 A CN 201110368498A CN 102428918 A CN102428918 A CN 102428918A
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- rice blast
- acid amides
- aqueous suspension
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Abstract
The invention discloses a fenoxanil aqueous suspension and a preparation method thereof. The fenoxanil aqueous solution comprises the following components in percentage by weight: 5 to 50 percent of fenoxanil, 1 to 8 percent of dispersing agent, 1 to 10 percent of wetting agent, 0.1 to 2 percent of thickening stabilizer, 1 to 10 percent of antifreezing agent, 0.1 to 1 percent of defoaming agent, 0.1 to 0.5 percent of preservative, 0 to 5 percent of pH value regulator and the balance of deionized water. The preparation method comprises the following steps of: uniformly mixing the components except the thickening stabilizer, sanding, adding the thickening stabilizer, and uniformly shearing to obtain the fenoxanil aqueous suspension. The fenoxanil aqueous suspension is an environment-friendly water-based agent, and has the advantages of safe production, storage and use, light environmental pollution, low product cost, simple packaging and the like.
Description
Technical field
The invention belongs to the pesticidal preparations field, be specifically related to a kind of rice blast acid amides aqueous suspension agent 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.Aqueous 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, suspending agent is other formulations of pesticide safety and environmental protections relatively, and suspending agent has become the bigger pesticide species of water baseization pesticides new formulation tonnage.
The rice blast acid amides is the systemic fungicide that is used to prevent and treat rice blast of a novelty, belongs to the melanin biosynthesis inhibitor.On the blade face with to use time control rice blast effect under water splendid, and hold and imitate significantly.There is the preparation of rice blast acid amides 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 rice blast acid amides 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 rice blast acid amides formulation and preparation method thereof, has overcome the shortcoming of existing formulation.
Summary of the invention
One of the object of the invention is to shortcomings such as existing big for environment pollution, the preparation processing energy consumption height of the existing formulation of rice blast acid amides, and a kind of, rice blast acid amides aqueous suspension agent that power consumption of polymer processing low little to the environment shadow is provided.
Two of the object of the invention is to provide the preparation method of rice blast acid amides aqueous suspension agent, for pesticide industry provides a kind of novel form and new product.
Technical scheme of the present invention: a kind of rice blast acid amides aqueous suspension agent, active ingredient is the rice blast acid amides, each weight percentages of components is: rice blast acid amides 5%～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%; PH value conditioning agent is 0～5%, and surplus is a deionized water.
Described dispersant is 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; The oleic acid salt, the combination 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 neopelex, draw back one or more the combination of powder, SOPA, alkylphenol-polyethenoxy base ether Nonyl pheno base ether, detergent, emulsifier 2000 series or wetting and penetrating agent T.
Described thickening stabilizing agent is one or more the combination in water-soluble resin, xanthans, Magnesiumaluminumsilicate, carboxymethyl cellulose, carboxyethyl cellulose, methylcellulose, hydrated SiO 2, bentonite, polyvinyl alcohol or the polyvinyl alcohol.
Described antifreezing agent is one or more the combination in ethylene glycol, propane diols, glycerine, the urea.
Described antifoaming agent is silicone oil, organic silicone, C
10-C
20Saturated fat acid compounds or C
8-C
10The aliphatic alcohols compound in one or more combination.
Described preservative is one or more the combination among potassium sorbate, sodium sorbate, Sodium Benzoate or the Ka Songkaisong.
Described pH value conditioning agent is one or more the combination in sodium hydroxide, ammoniacal liquor, acetic acid, citric acid or the phosphoric acid.
The preparation method of rice blast acid amides aqueous suspension agent carries out as follows: by described each component ratio of claim 1; Take by weighing rice blast acid amides, dispersant, wetting agent, antifreezing agent, antifoaming agent, preservative, pH value conditioning agent and deionized water and drop into that to carry out shear-mixed in the stirred tank even; Feed sand mill then and carry out sand milling; Sand milling 4-6 is all over (90% grain diameter is not more than 5um) after qualified to particle diameter; Add thickening stabilizing agent at last, shear evenly once more, promptly make rice blast acid amides aqueous suspension agent.
The present invention is scattered in the particle of rice blast acid amides with miniaturization in the water, has the each side advantage.
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 spraying is used, be distributed in crop surface, improved control efficiency with fine particle.
Embodiment
Essence is for a better understanding of the present invention explained technology contents of the present invention with instance below, but content of the present invention is not limited thereto.
In following examples, unless otherwise indicated, all percentages all are weight percentage.
embodiment 1.
At first take by weighing each component, rice blast acid amides 5%, dispersant sodium lignin sulfonate 2%; Wetting agent alkylphenol-polyethenoxy base ether 2%, antifreeze glycol 5%, antifoaming agent organic silicone 0.4%; Preservative Ka Songkaisong 0.1%, deionized water complements to 100%, and sand milling to particle diameter is qualified after mixing; Add load weighted thickening stabilizing agent xanthans 0.2% at last and shear evenly, promptly make 5% rice blast acid amides aqueous suspension agent.
embodiment 2.
At first take by weighing each component, rice blast acid amides 15%, dispersant lauryl alcohol polyethylene glycol oxide base ether sodium sulfate 3%, wetting agent Nonyl pheno base ether 3%;, antifreeze glycol 5%, antifoaming agent silicone oil 0.4%; Preservative Ka Songkaisong 0.1%, pH value conditioning agent sodium hydroxide 0.5%, deionized water complements to 100%; It is qualified to mix back sand milling to particle diameter, adds load weighted thickening stabilizing agent Magnesiumaluminumsilicate 1.3% at last and shears evenly, promptly makes 15% rice blast acid amides aqueous suspension agent.
embodiment 3.
At first take by weighing each component, rice blast acid amides 30%, dispersant polyoxyethylene polyoxypropylene base ether block copolymers 4%, wetting agent draws back powder 1%;, antifreezing agent urea 4%, antifoaming agent organic silicone 0.4%; Preservative sodium sorbate 0.1%, pH value conditioning agent citric acid 0.3%, deionized water complements to 100%; It is qualified to mix back sand milling to particle diameter, adds load weighted thickening stabilizing agent xanthans 0.15% at last and increases shearing evenly, promptly makes 30% rice blast acid amides aqueous suspension agent.
embodiment 4.
At first take by weighing each component, rice blast acid amides 50%, dispersant polycarboxylate 4.5%, wetting agent wetting and penetrating agent T 1%;, antifreezing agent glycerine 5%, antifoaming agent organic silicone 0.4%; Preservative sodium benzoate 0.1%, pH value conditioning agent acetic acid 0.1%, deionized water complements to 100%; It is qualified to mix back sand milling to particle diameter, adds load weighted thickening stabilizing agent carboxymethyl cellulose 0.25% at last and shears evenly, promptly makes 50% rice blast acid amides aqueous suspension agent.
embodiment 5.
5% rice blast acid amides aqueous suspension agent of the embodiment of the invention 1～4,15% rice blast acid amides aqueous suspension agent, 30% rice blast acid amides aqueous suspension agent, 50% rice blast acid amides aqueous suspension agent, following to the rice blast control efficiency.
Can find out from control efficiency; Rice blast acid amides aqueous suspension agent control efficiency of the present invention is better than wetting powder; And owing to after the rice blast acid amides aqueous suspension agent of the present invention spraying use, be distributed in crop surface with fine particle, reduction active ingredient dosage that can be suitable.
Claims (9)
1. rice blast acid amides aqueous suspension agent, it is characterized in that: active ingredient is the rice blast acid amides, and each weight percentages of components is: rice blast acid amides 5%～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%; PH value conditioning agent is 0～5%, and surplus is a deionized water.
2. a kind of rice blast acid amides aqueous suspension agent according to claim 1; It is characterized in that: described dispersant is 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; The oleic acid salt, the combination 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 rice blast acid amides aqueous suspension agent according to claim 1 is characterized in that: described wetting agent is neopelex, draw back one or more the combination of powder, SOPA, alkylphenol-polyethenoxy base ether Nonyl pheno base ether, detergent, emulsifier 2000 series or wetting and penetrating agent T.
4. a kind of rice blast acid amides aqueous suspension agent according to claim 1 is characterized in that: described thickening stabilizing agent is one or more the combination in water-soluble resin, xanthans, Magnesiumaluminumsilicate, carboxymethyl cellulose, carboxyethyl cellulose, methylcellulose, hydrated SiO 2, bentonite, polyvinyl alcohol or the polyvinyl alcohol.
5. a kind of rice blast acid amides aqueous suspension agent according to claim 1 is characterized in that: described antifreezing agent is one or more the combination in ethylene glycol, propane diols, glycerine or the urea.
6. a kind of rice blast acid amides aqueous suspension agent according to claim 1, it is characterized in that: described antifoaming agent is silicone oil, organic silicone, C
10-C
20Saturated fat acid compounds or C
8-C
10The aliphatic alcohols compound in one or more combination.
7. a kind of rice blast acid amides aqueous suspension agent according to claim 1 is characterized in that: described preservative is one or more the combination among potassium sorbate, sodium sorbate, Sodium Benzoate or the Ka Songkaisong.
8. a kind of rice blast acid amides aqueous suspension agent according to claim 1 is characterized in that: described pH value conditioning agent is one or more the combination in sodium hydroxide, ammoniacal liquor, acetic acid, citric acid or the phosphoric acid.
9. the preparation method of a rice blast acid amides aqueous suspension agent is characterized in that carrying out as follows:
By described each component ratio of claim 1; Take by weighing rice blast acid amides, dispersant, wetting agent, antifreezing agent, antifoaming agent, preservative, pH value conditioning agent and deionized water and drop into that to carry out shear-mixed in the stirred tank even, feed sand mill then and carry out sand milling, sand milling 4-6 is all over after qualified to particle diameter; 90% grain diameter is not more than 5um; Add thickening stabilizing agent at last, shear evenly once more, promptly make rice blast acid amides aqueous suspension agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110368498 CN102428918B (en) | 2011-11-20 | 2011-11-20 | Fenoxanil aqueous suspension and preparation method thereof |
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|---|---|---|---|
| CN 201110368498 CN102428918B (en) | 2011-11-20 | 2011-11-20 | Fenoxanil aqueous suspension and preparation method thereof |
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| CN102428918A true CN102428918A (en) | 2012-05-02 |
| CN102428918B CN102428918B (en) | 2013-09-04 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102783487A (en) * | 2012-07-11 | 2012-11-21 | 广东中迅农科股份有限公司 | Cyazofamid suspension concentrate and preparation method thereof |
| CN103210922A (en) * | 2013-04-15 | 2013-07-24 | 京博农化科技股份有限公司 | Bactericidal composition containing oligosaccharins and fenoxanil |
| CN106386809A (en) * | 2016-08-31 | 2017-02-15 | 江苏长青生物科技有限公司 | High content fenoxanil suspension agent and preparation method thereof |
| CN106719637A (en) * | 2016-11-25 | 2017-05-31 | 北京明德立达农业科技有限公司 | A kind of microcapsule suspension suspending agent containing fenoxanil and Prochloraz and preparation method thereof |
| CN108651455A (en) * | 2018-04-23 | 2018-10-16 | 江苏邦盛生物科技有限责任公司 | A kind of Synergistic type tricyclazole suspending agent and preparation method thereof |
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| CN87106006A (en) * | 1986-08-29 | 1988-03-16 | 施尔·阿格拉尔有限公司 | The preparation method of arylcarboxylic acid derivative and application |
| AU7767787A (en) * | 1986-10-03 | 1988-04-14 | Dsm N.V. | Polyamine-polyene ultraviolet coatings |
| CN101584317A (en) * | 2009-04-01 | 2009-11-25 | 陕西蒲城县美邦农药有限责任公司 | A kind of rice blast acid amides water dispersible granules |
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2011
- 2011-11-20 CN CN 201110368498 patent/CN102428918B/en active Active
Patent Citations (3)
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| CN87106006A (en) * | 1986-08-29 | 1988-03-16 | 施尔·阿格拉尔有限公司 | The preparation method of arylcarboxylic acid derivative and application |
| AU7767787A (en) * | 1986-10-03 | 1988-04-14 | Dsm N.V. | Polyamine-polyene ultraviolet coatings |
| CN101584317A (en) * | 2009-04-01 | 2009-11-25 | 陕西蒲城县美邦农药有限责任公司 | A kind of rice blast acid amides water dispersible granules |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102783487A (en) * | 2012-07-11 | 2012-11-21 | 广东中迅农科股份有限公司 | Cyazofamid suspension concentrate and preparation method thereof |
| CN102783487B (en) * | 2012-07-11 | 2015-11-18 | 广东中迅农科股份有限公司 | A kind of cyazofamid aqueous suspension agent and preparation method thereof |
| CN103210922A (en) * | 2013-04-15 | 2013-07-24 | 京博农化科技股份有限公司 | Bactericidal composition containing oligosaccharins and fenoxanil |
| CN103210922B (en) * | 2013-04-15 | 2014-08-27 | 京博农化科技股份有限公司 | Bactericidal composition containing oligosaccharins and fenoxanil |
| CN106386809A (en) * | 2016-08-31 | 2017-02-15 | 江苏长青生物科技有限公司 | High content fenoxanil suspension agent and preparation method thereof |
| CN106719637A (en) * | 2016-11-25 | 2017-05-31 | 北京明德立达农业科技有限公司 | A kind of microcapsule suspension suspending agent containing fenoxanil and Prochloraz and preparation method thereof |
| CN108651455A (en) * | 2018-04-23 | 2018-10-16 | 江苏邦盛生物科技有限责任公司 | A kind of Synergistic type tricyclazole suspending agent and preparation method thereof |
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|---|---|
| CN102428918B (en) | 2013-09-04 |
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Effective date of registration: 20161025 Address after: 414000 Yunxi Industrial Park, Hunan, Yueyang Patentee after: Hunan Xun Chao agrochemical Co., Ltd. Address before: 516000 Guangdong province Huizhou Zhongkai hi tech Development Zone No. 24 District Patentee before: Guangdong Zhongxun Agricultural Technology Co., Ltd. |