CN102783480B - A kind of benzene metsulfovax aqueous suspension agent and preparation method thereof - Google Patents
A kind of benzene metsulfovax aqueous suspension agent and preparation method thereof Download PDFInfo
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- CN102783480B CN102783480B CN201210238768.3A CN201210238768A CN102783480B CN 102783480 B CN102783480 B CN 102783480B CN 201210238768 A CN201210238768 A CN 201210238768A CN 102783480 B CN102783480 B CN 102783480B
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Abstract
The invention discloses aqueous suspension agent of a kind of benzene metsulfovax and preparation method thereof, in benzene metsulfovax aqueous suspension agent, the percentage by weight of each component is: benzene metsulfovax 1 ~ 50%; Dispersant 1 ~ 8%; Wetting agent 1 ~ 10%; Thickening stabilizing agent 0.1 ~ 2%; Antifreezing agent 1 ~ 10%; Defoamer 0.1 ~ 1%; Preservative 0.1 ~ 0.5%; PH adjusting agent regulates pH to be 6 ~ 8, and surplus is deionized water.Except thickening stabilizing agent, by above-mentioned material stirring, sand milling, add thickening stabilizing agent more afterwards, stir, and add appropriate pH adjusting agent.It is high that the present invention has flash-point, nonflammable non-explosive, the advantage such as production, storage, use safety, environmental pollution is little, product cost is low, easy packaging.
Description
Technical field
The present invention relates to a kind of pesticidal preparations and preparation method thereof, specifically a kind of aqueous suspension agent and preparation method thereof of benzene metsulfovax.
Background technology
Chemical control is the important means that the mankind prevent and treat agricultural damage by disease and insect, chemical pesticide is to ensureing that the increasing both production and income of agricultural plays very important effect, but the use of agricultural chemicals, while Ensuring Food Safety is produced, also bring a series of environment and the social concerns such as residual, pollution.Therefore, the developing direction of pesticidal preparations industry is progressively to safe, environmental protection, water baseization development.Agricultural chemicals suspension agent refers to the preparation be scattered in the particulate homogenous of less than 4 microns by former for solid pesticide medicine in water, and be a kind of nonflammable explosive, particle diameter is little, and biologically active is high, and proportion is comparatively large, the environmental protection type agricultural chemical formulation that packaging volume is less.
Pesticide suspension concentrate has the following advantages compared with conventional dosage forms: without dust harzard; Take water as dispersion medium, the inflammable and drug injury problem do 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 sticking to plant corpus surface is stronger, resistance of rainwater washing against, and thus comparatively wetting powder is significantly and also more lasting for drug effect; Have that particle is little, active surface is large, 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 pesticide species that water baseization pesticides new formulation tonnage is larger.
Benzene metsulfovax has good bactericidal activity to phytophthora root rot, has good inhibitory action at low concentrations, but do not act on the release of zoospore and the movement of zoospore the sporangial sprouting of its sporangial formation.Similar with the field test results of Cruciferae Pseudoperonospora cubensis (PeronosporaparasiticaFr.) to Plasmopara viticola (PlasmoparaviticolaBerl) downy mildew of cucurbits bacterium (PseudoperonosporacubensisRostov.).The biological chemistry action mechanism of benzene metsulfovax just under study for action, benzene metsulfovax has the phytophthora infestans of resistance to benzamide functional group and has the downy mildew of cucurbits of resistance to have bactericidal activity to methoxy acrylic functional group, infers that benzene metsulfovax is different from the mechanism of action containing these functional group's bactericide.And benzene metsulfovax does not affect the oxidative synthesis of nucleic acid and protein, the function of phytophthora root rot bacterium protoplasmic membrane is not affected.The preparation of benzene metsulfovax single dose is had to have pulvis, wetting powder, water dispersible granules in the market.And wetting powder, pulvis also exist big for environment pollution, there is the shortcomings such as power consumption of polymer processing is high in water dispersible granules, and relevant benzene metsulfovax aqueous suspension agent also appears in the newspapers at end.The present invention, aiming to provide environmentally-friendly water-based agent type of a kind of benzene metsulfovax and preparation method thereof, overcomes the shortcoming of existing formulation.
Summary of the invention
The object of the invention is to provide for big for environment pollution, the shortcoming such as preparation processing energy consumption is high existing for the existing formulation of benzene metsulfovax a kind of, benzene metsulfovax aqueous suspension agent that power consumption of polymer processing low little to environment shadow.
Another object of the present invention is the preparation method providing a kind of benzene metsulfovax 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 achieving the above object, the invention provides a kind of benzene metsulfovax aqueous suspension agent, each component is as follows by weight percentage: benzene metsulfovax: 1 ~ 50%; Dispersant: 1 ~ 8%; Wetting agent: 1 ~ 10%; Thickening stabilizing agent: 0.1 ~ 2%; Antifreezing agent: 1 ~ 10%; Defoamer: 0.1 ~ 1%; Preservative: 0.1 ~ 0.5%; PH adjusting agent regulates pH to be 6 ~ 8, and surplus is deionized water.
Wherein: described dispersant selects 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, 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, alkylpolyoxyethylene phosphate or alkyl naphthalene formaldehyde condensate sulfonates.
Described wetting agent is selected neopelex, is pulled open powder, the mixing of one or more in 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 selects the mixing of one or more in water-soluble resin, xanthans, carboxymethyl cellulose, carboxyethyl cellulose, methylcellulose, hydrated SiO 2, bentonite, polyvinyl alcohol, polyvinyl alcohol.
The one in ethylene glycol, propane diols, glycerine, urea selected by described antifreezing agent.
Described defoamer selects silicone oil, organic silicone, C
10-C
20saturated fat acid compounds, C
8-C
10aliphatic alcohols compound in the mixing of one or more.
The one in potassium sorbate, sodium sorbate, Sodium Benzoate, Kathon CG KF88 selected by described preservative.
Adding appropriate pH adjusting agent adjust ph in described benzene metsulfovax aqueous suspension agent is 6 ~ 8.The mixing of one or more in sodium hydroxide, ammoniacal liquor, acetic acid, citric acid or phosphoric acid selected by PH conditioning agent.
Benzene metsulfovax aqueous suspension agent preparation method of the present invention: even by carrying out shear-mixed in the former medicine of load weighted benzene metsulfovax, dispersant, wetting agent, antifreezing agent, defoamer, preservative and deionized water input stirred tank, then pass into sand mill and carry out sand milling 4 ~ 6 times, after sand milling to particle diameter≤5um, add thickening stabilizing agent, shear agitation is even again, adding appropriate pH adjusting agent adjust ph is 6 ~ 8, i.e. obtained benzene metsulfovax aqueous suspension agent.
In recent years, due to the enhancing of people's environmental consciousness, make suspending agent gradually by the trend that will replace the non-green pesticide form such as missible oil, pulvis in the past, agricultural chemicals new component newly developed in recent years goes on the market mainly with suspending agent greatly.And its particle diameter is little, suspensibility is high, and have at crop leaf the adhesivity that height opens up, in drug effect, comparatively conventional dosage forms improves a lot.
The present invention by benzene metsulfovax with the Granular composite of miniaturization in water, be prepared into aqueous suspension agent, have the following advantages.
1, product cost is low, easily packs.
2, take water as matrix, without dust, environmental pollution is little, to production and user's safety.
3, water baseization product, flash-point is high, does not fire not quick-fried, produces storage safety.
4, after said preparation spraying, be distributed in blade surface with fine particle, make it infiltrate blade face fast, improve bactericidal effect.
Embodiment
The present invention is described by following specific embodiment, but the invention is not restricted to following specific embodiment.In these embodiments, unless otherwise indicated, all percentage is all weight percentage.
Embodiment 1.
According to technical scheme of the present invention, take the former medicine 5% of benzene metsulfovax, dispersant lignin calcium iodate 3%, wetting agent alkylphenol-polyethenoxy base ether 2%, antifreezing agent glycerine 5%, defoamer organic silicone 0.4%, preservative Kathon CG KF88 0.1%, add deionized water to 100%, mix rear sand milling to qualified particle diameter, add thickening stabilizing agent xanthans 0.2%, shear agitation is even, sodium hydroxide is used to regulate pH to be 6 ~ 8, i.e. obtained 5% benzene metsulfovax aqueous suspension agent.
Embodiment 2.
According to technical scheme of the present invention, take the former medicine 10% of benzene metsulfovax, dispersant polycarboxylate 3%, wetting agent Nonyl pheno base ether 3%, antifreeze glycol 5%, defoamer organic silicone 0.4%, potassium sorbate preservative 0.2%, add deionized water to 100%, mix rear sand milling to qualified particle diameter, add thickening stabilizing agent Magnesiumaluminumsilicate 1%, shear agitation is even, ammoniacal liquor is used to regulate pH to be 6 ~ 8, i.e. obtained 10% benzene metsulfovax aqueous suspension agent.
Embodiment 3.
According to technical scheme of the present invention, take the former medicine 50% of benzene metsulfovax, dispersant polycarboxylate 4.5%, wetting and penetrating agent T1%, antifreeze glycol 5%, defoamer organic silicone 0.4%, preservative Kathon CG KF88 0.1%, add deionized water to 100%, mix rear sand milling to qualified particle diameter, add thickening stabilizing agent polyvinyl alcohol 0.15%, shear agitation is even, sodium hydroxide is used to regulate pH to be 6 ~ 8, i.e. obtained 50% benzene metsulfovax aqueous suspension agent.
Embodiment 4.
5% benzene metsulfovax aqueous suspension agent of the embodiment of the present invention 1 ~ 3,10% benzene metsulfovax aqueous suspension agent, 50% benzene metsulfovax aqueous suspension agent are as follows to cucumber downy mildew control efficiency.
As can be seen from control efficiency, benzene metsulfovax aqueous suspension agent of the present invention is when suitably reducing active ingredient dosage, and control efficiency is suitable with benzene metsulfovax water dispersible granules.After benzene metsulfovax aqueous suspension agent spraying use of the present invention, be distributed in crop surface with fine particle, reduction effective ingredient dosage that can be suitable.
Claims (1)
1. a benzene metsulfovax aqueous suspension agent, it is characterized in that: each component is as follows by weight percentage: take the former medicine 50% of benzene metsulfovax, dispersant polycarboxylate 4.5%, wetting and penetrating agent T1%, antifreeze glycol 5%, defoamer organic silicone 0.4%, preservative Kathon CG KF88 0.1%, add deionized water to 100%, mix rear sand milling to qualified particle diameter, add thickening stabilizing agent polyvinyl alcohol 0.15%, shear agitation is even, sodium hydroxide is used to regulate pH to be 6 ~ 8, i.e. obtained 50% benzene metsulfovax aqueous suspension agent.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101743983A (en) * | 2010-01-08 | 2010-06-23 | 深圳诺普信农化股份有限公司 | Fungicidal composition containing flumorph |
| CN101822263A (en) * | 2010-01-27 | 2010-09-08 | 深圳诺普信农化股份有限公司 | Sterilization compound containing ZJ0712 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101194611B (en) * | 2007-06-08 | 2010-06-02 | 浙江新农化工股份有限公司 | Thiazole zincium suspension agent and method for producing the same |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101743983A (en) * | 2010-01-08 | 2010-06-23 | 深圳诺普信农化股份有限公司 | Fungicidal composition containing flumorph |
| CN101822263A (en) * | 2010-01-27 | 2010-09-08 | 深圳诺普信农化股份有限公司 | Sterilization compound containing ZJ0712 |
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