Paclobutrazol suspension concentrate and preparation method thereof
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An azole suspending agent and wetting agent technology, applied in the chemical industry, can solve the problems of human, livestock and environmental hazards, and achieve the effects of good fluidity, less pollution to the environment, and convenient use
Inactive Publication Date: 2009-11-04
张志勋
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Problems solved by technology
[0004] In order to solve the problem that existing wettable powders are easy to cause harm to people, livestock and the environment, the invention provides a paclobutrazol suspension and a preparation method thereof
Method used
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Embodiment 1
[0014] Paclobutrazol original drug 20kg, fatty alcohol sulfate 2.5kg, alkylphenol polyoxyethylene ether succinate half ester sulfonate 2.5kg, methyl cellulose 0.5kg, silicone defoamer 0.05kg, ethylene glycol 5kg, 0.05kg of paraformaldehyde, and 100kg of the rest with water, wet crushing with a sand mill for multiple cycles until the particle size is 1-5μm, and then homogenize, thicken, and defoam with a homogenizer to produce milky white As a suspension product, the content of paclobutrazol is 20.2%, and the suspension rate is 94%.
Embodiment 2
[0016] Paclobutrazol original drug 25kg, fatty alcohol sulfate 2.5kg, sulfonogen gum 2kg, a-olefin sulfonate 0.5kg, aluminum magnesium silicate 0.5kg, silicone defoamer 0.05kg, ethylene glycol 6kg, formaldehyde 1kg, the rest Supplement 100kg with water, use a sand mill for multiple cycles of wet crushing to a particle size of 1-5 μm, and then use a homogenizer to homogenize, thicken, and defoam to obtain a milky white suspension product. Measure paclobutrazol The content is 25.2%, and the suspension rate is 96%. The concentration used on branches and shoots is 300-400mg / L, while the concentration of wettable powder used as a contrast agent is 500-1000mg / L.
Embodiment 3
[0018] Paclobutrazol original drug 30kg, fatty amide N-methyl taurine sodium salt 2.5kg, tristyrylphenol polyoxyethylene ether 0.5kg, phosphate triethanolamine salt 2.5kg, ethanol 6kg, xanthan gum 0.2kg, organic 0.05kg of silicon defoamer, 1kg of formaldehyde, and 100kg of water for the rest, and wet crushing with a sand mill for multiple cycles until the particle size is 1-5μm, and then homogenized, thickened, and defoamed by a homogenizer. A milky white suspension concentrate product was obtained, the paclobutrazol content was 30.3%, and the suspension rate was 93%.
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Abstract
The invention relates to a paclobutrazol suspension concentrate and a preparation method thereof, which are suitable to the manufacture technology of farm chemical preparation and belong to the chemical technical field. Paclobutrazol is mainly in a way of 15 percent of wettable powder in China market. Because the wettable powder is easy to produce dust pollution during processing and use and the suspension rate of the wettable powder is lower than that of the suspension concentrate, the product is easy to produce the chemical injury. The paclobutrazol suspension concentrate is prepared by the following components of paclobutrazol, wetting agent, dispersing agent, thickening agent, antifoaming agent, antifreeze agent, preservative, and the like according to a certain weight percent and a special preparation method. The invention can be mixed and dispersed with water according to any proportion, has good fluidness without being influenced by water quality and water temperature, is convenient for use without easily polluting environment, and can be directly sprayed or be sprayed after being diluted.
Description
technical field [0001] The invention relates to a pesticide preparation and a preparation method thereof, which is applicable to the preparation technology of the pesticide preparation and belongs to the technical field of chemical industry. Background technique [0002] Pesticide suspension is a pesticide dosage form prepared by wet ultrafine grinding of water-insoluble solid pesticide, pesticide auxiliaries (wetting agent, dispersant, thickener, defoamer, antifreeze, preservative, etc.) and water. The advantage of this dosage form is that it can be uniformly mixed and dispersed with water in any proportion, not affected by water quality and water temperature, easy to use, not easy to pollute the environment, and an ideal dosage form that can be sprayed directly or after dilution. Suspending concentrate is a new "environmentally friendly" dosage form recognized by the pesticide industry at home and abroad. The development of this dosage form has created a broad development...
Claims
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Application Information
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