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Preparation method of composite pesticidal suspoemulsion containing indoxacarb and malathion

A technology containing malathion and indoxacarb, which is applied in the direction of insecticides, botany equipment and methods, biocides, etc., can solve the problem of undiscovered indoxacarb and malathion compound suspension emulsion, uncertain Problems such as the optimal ratio of the two drugs and the quality of tank mixing cannot be guaranteed to achieve the effects of solving the problem of drug resistance, saving raw material costs, and low processing costs

Inactive Publication Date: 2014-04-02
李视辉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in actual use, the following problems are encountered: 1. The optimal ratio of the two drugs cannot be determined when used in tank mixing, so that the best control effect cannot be obtained, and incremental use will increase the cost and also increase the cost. may not be able to achieve the desired effect
2. The quality of the original drug varies greatly, which also has a great impact on the effect, especially the quality of malathion, which makes the quality of the tank mix not guaranteed
At present, there is no report on the compound suspension emulsion of indoxacarb and malathion

Method used

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  • Preparation method of composite pesticidal suspoemulsion containing indoxacarb and malathion
  • Preparation method of composite pesticidal suspoemulsion containing indoxacarb and malathion
  • Preparation method of composite pesticidal suspoemulsion containing indoxacarb and malathion

Examples

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Effect test

example 1

[0071] 35% active compound (composition of 5% indoxacarb and 30% malathion): 40% indoxacarb, 1% EO / PO block polyether, 2% nonylphenol polyoxyethylene ether phosphate, Naphthalenesulfonic acid condensate sodium salt 1%, ethylene glycol 3%, xanthan gum 0.2%, polyether defoamer 0.2% deionized water to make up and mix thoroughly, then put into a high-shear homogenizer for high-speed shearing coarse grinding and homogeneous, and then pumped to sand mill to get indoxacarb suspending agent, D 90 The particle size is below 5 microns. The content of indoxacarb in the suspension is 40%. Then add 12.5% ​​of 40% indoxacarb SC, 30% of malathion, 15% of xylene, 3% of ethylene glycol, 3% of alkylphenol polyoxyethylene ether, 3% of castor oil polyoxyethylene ether, Lactic acid 0.1% xanthan gum 0.2%, deionized water tonic fully turbid, high-speed shearing, homogeneous emulsification to prepare a suspoemulsion, the suspoemulsion contains 35% active compound.

Embodiment 2

[0073] 50% active compound (combination of 10% indoxacarb and 40% malathion): 50% indoxacarb, 1.5% fatty alcohol polyoxyethylene ether, 2% nonylphenol polyoxyethylene ether phosphate, wood Sodium sulfonate 1%, ethylene glycol 2%, xanthan gum 0.1%, polyether defoamer 0.2% deionized water to make up and mix thoroughly, and then put into high-shear homogenizer for high-speed shear coarse grinding and homogenization , and then pumped to the sand mill for sand grinding to obtain indoxacarb suspension, D 90 The particle size is below 5 microns. The content of indoxacarb in the suspension is 50%. Then add 20% of 50% indoxacarb suspending agent, 40% of malathion, 15% of xylene, 3% of alkylphenol polyoxyethylene ether, 3% of castor oil polyoxyethylene ether, and 0.1% of lactic acid xanthan gum 0.1%, the deionized water tonic is fully turbid, high-speed shearing, and homogeneous emulsification to obtain a suspoemulsion, which contains 50% of the active compound.

Embodiment 3

[0075] 30% active compound (combination of 10% indoxacarb and 20% malathion): 50% indoxacarb, 1.5% fatty alcohol polyoxyethylene ether, 2% nonylphenol polyoxyethylene ether phosphate, wood Sodium sulfonate 1%, ethylene glycol 2%, xanthan gum 0.1%, polyether defoamer 0.2% deionized water to make up and mix thoroughly, and then put into high-shear homogenizer for high-speed shear coarse grinding and homogenization , and then pumped to the sand mill for sand grinding to obtain indoxacarb suspension, D 90 The particle size is below 5 microns. The content of indoxacarb in the suspension is 50%. Then add 20% of 50% indoxacarb suspending agent, 20% of malathion, 15% of xylene, 2% of styrene-ethyl polyoxyethylene ether, 2% of castor oil polyoxyethylene ether, styrene-ethylphenol polyoxyethylene Vinyl ether phosphate lactic acid 0.1% xanthan gum 0.3%, deionized water supplement fully turbid, high-speed shearing, homogeneous emulsification to prepare a suspoemulsion, the suspoemulsion...

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Abstract

The invention belongs to the technical field of pesticides, and in particular relates to composite pesticidal suspoemulsion containing indoxacarb and malathion as well as a preparation method of the suspoemulsion. The suspoemulsion is prepared from 1-40% of indoxacarb, 10-50% of malathion, 5-30% of an organic solvent and the balance being water through the procedures of mechanically stirring, sand-grinding, and high-speed shearing and homogenizing. The product is stable in property, has the efficacy obviously higher than control efficacy of simple compound indoxacarb or simple compound malathion, and is capable of greatly reducing application dosage of each active substance; the product can be used for preventing and controlling insects such as lepidoptera and coleopteran on crops including tobacco, paddy rice, cotton, soybean, vegetable, fruit tree, forest, tea, mulberry tree and the like; the product, which takes water as a main dispersion medium, is low in environmental pollution, long in shelf life and high in safety; and the product disclosed by the invention not only has ecological significance but also has environmental protection meaning.

Description

technical field [0001] The present invention relates to insecticides, in particular to a method for preparing a compound insecticidal suspoemulsion containing indoxacarb and malathion Background technique [0002] The use of pesticides to control diseases, insect pests and weeds is an indispensable means to ensure the high quality and high yield of agricultural products. In order to give full play to the efficacy of pesticides, in addition to ensuring the effective spreading, retention and deposition of the pesticide solution on the target, the formulation is required to have excellent physical and chemical properties and low surface tension, and to have good wettability and permeability on the target surface. , it is more necessary to screen the synergistic combinations between different active ingredients to maximize the application effect of pesticides. Due to the poor efficacy of pesticides, in order to achieve a certain imitation, farmers will inevitably increase the a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N57/12A01N25/04A01N25/30A01N25/22A01P7/04A01N47/38
Inventor 李视辉
Owner 李视辉
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