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5% S-methoprene wettable powder, and preparation method and application thereof

A wettable powder, methoprene technology, applied in the field of pesticides, can solve the problems of chemical residues, environmental pollution, human health threats, etc.

Inactive Publication Date: 2014-09-10
苏衡
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the long-term and extensive use of chemical agents has led to the general resistance of stored grain pests to chemical agents on the one hand; on the other hand, some insecticides affect non-target insects, and some beneficial insects have been unintentionally eliminated, resulting in a sharp increase in secondary pests , resulting in catastrophic consequences; more importantly, the problem of chemical residues is becoming more and more serious, which not only causes serious environmental pollution, but also poses a huge threat to human health

Method used

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  • 5% S-methoprene wettable powder, and preparation method and application thereof
  • 5% S-methoprene wettable powder, and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] 1) Prepare 100g of 5% S-methoprene wettable powder, the ingredients are as follows: S-methoprene 5.3g (content 95%); kaolin 88.7g; sodium dodecylsulfonate 0.5g; lignin Sodium sulfonate 5g; 2,6-di-tert-butylmethylphenol 0.5g;

[0024] 2) Mix S-methoprene stock solution with kaolin 8g (1:1.5 adsorption) for about 30 minutes to ensure that S-methoprene and the carrier are fully and evenly adsorbed.

[0025] 3) Put the above materials, 80.7g of weighed kaolin, 5g of sodium lignosulfonate, 0.5g of sodium dodecylsulfonate, 0.5g of 2,6-di-tert-butylmethylphenol into a double-helix mixer and mix for 30 After about 10 minutes, it will enter the jet mill for pulverization.

[0026] 4) Sampling and testing from the sampling port, all indicators are qualified.

Embodiment 2

[0028] 1) Prepare 100g of 5% S-methoprene wettable powder, the ingredients are as follows: S-methoprene: 5.3g (95% content); white carbon black 8g, kaolin 76.5g; dodecylsulfonic acid Sodium 0.1g; Sodium lignosulfonate 10g; 2,6-di-tert-butylmethylphenol 0.1g;

[0029] 2) Mix S-methoprene stock solution with 8g of white carbon black (1:1.5 adsorption) for about 30 minutes to ensure that S-methoprene and the carrier are fully and evenly adsorbed.

[0030] 3) Put the above materials and weighed kaolin 76.5g; sodium dodecylsulfonate 0.1g; sodium lignosulfonate 10g; 2,6-di-tert-butylmethylphenol 0.1g into a double-helix mixer and mix for 30 minutes Left and right, then enter the jet mill for crushing.

[0031] 4) Sampling and testing from the sampling port, all indicators are qualified.

Embodiment 3

[0033] 1) Prepare 100g of 5% S-methoprene wettable powder, the ingredients are as follows: S-methoprene 5.3g (content 95%); white carbon black 8g, kaolin 74.2g; washing powder 1g; NNO 10g; 2,6-di-tert-butylmethylphenol 1g;

[0034] 2) Mix S-methoprene stock solution with 8g of white carbon black (1:1.5 adsorption) for about 30 minutes to ensure that S-methoprene and the carrier are fully and evenly adsorbed.

[0035] 3) Put the above materials and weighed kaolin 74.2g; washing powder 1g; NNO 10g; 2,6-di-tert-butylmethylphenol 1g into the twin-screw mixer and mix for about 30 minutes before entering the jet mill for crushing.

[0036] 4) Sampling and testing from the sampling port, all indicators are qualified.

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Abstract

The invention provides a 5% S-methoprene wettable powder and a preparation method and application thereof. The wettable powder is mainly used for inhibition of grain storage insects. The 5% S-methoprene wettable powder is prepared from S-methoprene, a carrier, a surfactant, a dispersant and an anti-oxidant. The prepared wettable powder is nontoxic, green and environment-friendly, has high activity on target insects and a ppm-grade application concentration and is a novel green grain storage insect inhibitor.

Description

technical field [0001] The invention relates to the field of pesticides, in particular to a 5% S-methoprene wettable powder and its preparation method and application. Background technique [0002] Stored grain pests are the main factors that cause the loss of stored grain quantity, cause grain mildew, and reduce grain quality. At present, the control of stored grain pests in my country mainly relies on chemical agents. However, the long-term and extensive use of chemical agents has led to the general resistance of stored grain pests to chemical agents on the one hand; on the other hand, some insecticides affect non-target insects, and some beneficial insects have been unintentionally eliminated, resulting in a sharp increase in secondary pests , resulting in catastrophic consequences; more importantly, the problem of chemical residues is becoming more and more serious, which not only causes serious environmental pollution, but also poses a huge threat to human health. [...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/14A01N37/36A01P7/04
Inventor 苏衡李海燕王加高夏雨
Owner 苏衡
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