Etofenprox emulsified powder and manufacture method
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A manufacturing method, the technology of etofenprox, which is applied in the field of emulsifiable powder of etofenprox and its manufacture, can solve the problems of poor storage stability of suspensions, less efficacy than emulsifiable concentrates, unsafe hidden dangers, etc., so as to avoid harm to people and the environment Hazard, storage and transportation safety, environmental pollution effect
Active Publication Date: 2010-10-13
山西绿海农药科技有限公司
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Problems solved by technology
[0003] Although the emulsifiable concentrate has good drug efficacy, is relatively easy to prepare and is convenient to use, the emulsifiable concentrate contains a large amount of organic solvents such as toluene and xylene, which seriously pollutes the environment, and there are unsafe hidden dangers in the processes of production, storage, transportation, etc.; The storage stability of the preparation is poor, and the drug effect is not as good as the emulsifiable concentrate. The emulsifiable powder is a new dosage form developed on the basis of the emulsifiable concentrate.
But do not see the report of specifically disclosing etofenprox emulsifiable powder and its application so far
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Embodiment 1
[0032] This example is 20% Etofenprox emulsifiable powder.
[0033] It is composed of the following raw materials in weight percentage: 20% of etofenproxil, 4% of xylene, 6% of agricultural milk (0201B), 3% of agricultural milk (700), 40% of white carbon black, 3% of sodium lignosulfonate, silicon Alite is topped up to 100%.
[0034] The production method is as follows: mix etherproxil and solvent evenly, the mixed liquid is adsorbed on the carrier, and then mixed evenly with the wetting and dispersing agent; the mixed raw materials are pulverized by a jet mill to make the particle size reach 98%. 45μm mesh.
Embodiment 2
[0036] This example is 25% Etofenprox emulsifiable powder.
[0037] Composed of the following raw materials in weight percent: Etoproxil 25%, xylene 5%, Nongru (0201B) 5%, Nongru (BY110) 4%, white carbon black 45%, dispersant (D425) 3%, concave-convex Stick clay topped up to 100%.
[0038] The production method is as follows: uniformly mix etofenproxil, solvent, and wetting and dispersing agent, and the mixed liquid is adsorbed on the carrier; the mixed raw materials are pulverized by a jet mill, so that the particle size reaches 98% and passes through a 45 μm sieve hole .
Embodiment 3
[0040] This example is 5% Etofenprox emulsifiable powder.
[0041] Composed of the following raw materials in weight percentage: 5% etofenproxil, 1% xylene, 8% agricultural milk (0201B), 2% agricultural milk (1601), 10% white carbon black, 3% sodium lignosulfonate, bentonite Top up to 100%.
[0042] The manufacturing method is the same as in embodiment one or embodiment two.
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Abstract
The invention discloses etofenprox emulsified powder and a manufacture method thereof, relating to an agricultural insecticide and a manufacture method thereof. The etofenprox emulsified powder is prepared from the following raw materials by weight percent: 1-50% of etofenprox, 5-30% of wetting and dispersing agent, 0-10% of solvent and the balance of carrier. The process has the steps that: (1) weighting and taking the raw materials based on the above weight percent; (2) evenly mixing the etofenprox and solvent, enabling the evenly-mixed liquid to be absorbed on carriers, then evenly mixing with the wetting and dispersing agent; and (3) crushing the mixed raw materials by a jet mill, and enabling the particle diameter thereof to satisfy the condition that 98% of particles can pass through sieve pores of 45mu m. Another manufacture method is to evenly mix the etofenprox, the solvent and the wetting and dispersing agent and lead the mixed liquid to be absorbed on the carriers. The etofenprox emulsified powder provided by the invention has the advantages of safety, environment protection, stable storage and good disinfestation effect, can be used for preventing and curing rice planthoppers, rice water weevil and Cruciferae vegetable vegetables cabbage caterpillars.
Description
technical field [0001] The invention relates to an agricultural insecticide and a manufacturing method thereof, in particular to an emulsifiable powder of etofenprox and a manufacturing method thereof. Background technique [0002] The chemical name of etofenprox is: 2-(4-ethoxyphenyl)-2-methylpropyl-3-phenoxybenzyl ether, and its molecular structure is similar to that of pyrethroids, except that The ester structure is replaced by the ether structure, so it is still classified as a pyrethroid insecticide. It has the advantages of wide insecticidal spectrum, high insecticidal activity, fast knockdown speed, long duration, low toxicity to aquatic organisms, low lethality to natural enemies such as rice field spiders, safety to crops, and environmental friendliness. Its main preparations are: emulsifiable concentrate, oil preparation, ultra-low volume preparation, suspension concentrate, wettable powder and other dosage forms. [0003] Although the emulsifiable concentrate ha...
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