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Aqueous emulsion of pesticides Bassa, carbosulfan, phosphor methylpyrimidine, and preparation method

A technology of pyrimidine phosphine and water emulsion, which is applied in the fields of botanical equipment and methods, biocides, animal repellants, etc., can solve problems such as poor compatibility and difficult processing of water-based preparations.

Active Publication Date: 2006-04-19
HUNAN CHEM RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because the above three pesticides are not compatible with water well enough, it is difficult to process them into water-based preparations. At present, there are no water-based preparations of the above three pesticides at home and abroad.

Method used

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  • Aqueous emulsion of pesticides Bassa, carbosulfan, phosphor methylpyrimidine, and preparation method
  • Aqueous emulsion of pesticides Bassa, carbosulfan, phosphor methylpyrimidine, and preparation method
  • Aqueous emulsion of pesticides Bassa, carbosulfan, phosphor methylpyrimidine, and preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Weigh 30 grams of Zhongbuwei original drug, 20 grams of nonylphenol polyoxyethylene ether phosphate, 10 grams of dodecylbenzenesulfonate and mix evenly to form an oil phase, weigh 10 grams of ethylene glycol, 5 grams of gum arabic gram, 25 grams of deionized water, mixed evenly to form a water phase, adjusting the stirring speed to 200 rpm, adding the oil phase to the water phase, and stirring for 20 minutes to obtain a 30% Zhongbuwei emulsion in water.

Embodiment 2

[0028] Take by weighing 20.5 grams of Zhongbuwei original drug, 10 grams of castor oil polyvinyl chloride ether, 5 grams of lauryl sulfate and mix uniformly to form an oil phase, weigh 4 grams of ethylene glycol, 2 grams of xanthan gum solution, remove 58.5 grams of ionic water, mixed evenly to form a water phase, adjusting the stirring speed to 1000 rpm, adding the water phase to the oil phase, and stirring for 15 minutes to obtain a 20% Zhongbuwei emulsion in water.

Embodiment 3

[0030] Weigh 5 grams of carbosulfan original drug, 5 grams of nonylphenol polyoxyethylene ether phosphate and mix them evenly to form an oil phase, weigh 1 gram of propylene glycol and 89 grams of deionized water, mix them evenly to form a water phase, adjust and stir The speed is 2000 rpm, and the oil phase is added to the water phase, and stirred for 3 minutes to obtain a 5% carbosulfan emulsion in water.

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Abstract

An aquatic emulsion for preventing and treating the pests of rice, fruit tree and warehouse is prepared from fenobucarb or carbosulfan or pirimiphos-methyl, emulsifier, thickening agent, antifreezing agent, and stabilizer and deionized through dissolving or fusing, homogenizing and dispersing. Its advantage is no environmental pollution.

Description

technical field [0001] The invention relates to an aqueous emulsion of pesticides secbutacarb, carbosulfan and pirimiphos-methyl and a preparation method thereof. Background technique [0002] Zhongdingwei ISO common name: fenobucarb. Chemical name: 2-sec-butylphenyl-N-methylcarbamate [0003] Structural formula: [0004] [0005] The pure product has a melting point of 33-34°C, 660mg / l in water at 30°C, and is easily soluble in general organic solvents, such as acetone, chloroform, benzene, toluene, xylene, etc. Unstable to alkalis and strong acids. It can be used to control rice planthoppers, thrips, leafhoppers, rice stem borers, rice leaf rollers, aphids, fruit tree borers and other pests on rice, vegetables, cotton, fruit trees and other crops, mainly by inhibiting acetylcholinesterase. Pests die from poisoning, have a strong contact effect on pests, and have certain stomach poisoning, fumigation and ovicidal effects. [0006] Carbosulfan’s English common name i...

Claims

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Application Information

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IPC IPC(8): A01N47/10A01N47/12A01N57/16A01N25/02
CPCA01N25/04
Inventor 梁骥李涛熊晓妹曹永松王跃龙
Owner HUNAN CHEM RES INST
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