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Compounded insecticidal suspension emulsion with chlorpyrifos and spirotetramat and preparation method of compounded insecticidal suspension emulsion

A technology of spirotetramat and chlorpyrifos, which is applied in the field of compound insecticidal suspoemulsion containing chlorpyrifos and spirotetramat and its preparation, can solve problems such as the compounding of chlorpyrifos and spirotetramat, and achieve drug resistance and persistence Effective period, uniform appearance, high cost reduction effect

Active Publication Date: 2012-05-30
ZHEJIANG XINNONG CHEM CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The present invention aims to solve the foregoing technical problems, and provides a compound insecticidal suspoemulsion containing chlorpyrifos and spirotetramat and a preparation method thereof, to solve the problem of compounding chlorpyrifos and spirotetramat, and to produce qualified compound Provide technical support for the industrialization of accessories

Method used

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  • Compounded insecticidal suspension emulsion with chlorpyrifos and spirotetramat and preparation method of compounded insecticidal suspension emulsion
  • Compounded insecticidal suspension emulsion with chlorpyrifos and spirotetramat and preparation method of compounded insecticidal suspension emulsion
  • Compounded insecticidal suspension emulsion with chlorpyrifos and spirotetramat and preparation method of compounded insecticidal suspension emulsion

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0082] 42% active compound (2% spirotetramat and 40.0% chlorpyrifos composition): 20.0% spirotetramat, EO / PO block polyether 1%, phenolsulfonic acid condensate sodium salt 2%, acrylic acid homopolymer 1.0% sodium salt, 2.0% ethylene glycol, 0.3% xanthan gum, 0.1% polyether defoamer, and deionized water are fully mixed, and then put into high-shear homogeneous emulsifier for high-speed shearing coarse grinding and Homogenized, then pumped to a sand mill for sanding, sanded to a certain particle size, and then filtered to obtain a suspending agent. Containing 20.0% spirotetramat in suspending agent, D 90 The particle size is 3-5 microns. Then add 10% of 20.0% spirotetramat suspending agent, chlorpyrifos 40.0%, xylene 20.0%, n-butanol 3%, alkylphenol formaldehyde resin polyoxyethylene ether 4%, fatty alcohol ethoxylate 8.0%, 3.0% ethylene glycol, 0.1% xanthan gum, 0.1% polyether defoamer, and deionized water are supplemented and mixed thoroughly, sheared at high speed, homogene...

Embodiment 2

[0084] 40% active compound (5.0% spirotetramat and 35.0% chlorpyrifos composition): 25.0% spirotetramat, alkyl naphthalene sulfonate 1.0%, sodium lignosulfonate 2.0%, polymer polycarboxylate 1.0%, polyethylene glycol 400 2.0%, aluminum magnesium silicate 0.4%, polyether defoamer 0.1%, deionized water 68.6%, fully mixed, and then put into high-shear homogeneous emulsifier and high-speed shear coarse grinding and homogeneous, and then pumped to a sand mill for sand grinding to a certain particle size, and then filtered to obtain a suspending agent. Containing 25.0% spirotetramat in suspending agent, D 90 The particle size is 3-5 microns. Then 20.0% of 25.0% spirotetramat suspension concentrate, chlorpyrifos 35.0%, No. 1800 solvent 10.0%, isobutanol 5%, castor oil polyoxyethylene ether 3.0%, fatty alcohol alkoxylate 3.0%, polyethylene glycol Diol 3.0%, aluminum magnesium silicate 0.3%, polyether defoamer 0.1%, deionized water to 100%, fully mixed, high-speed shearing, homogeneo...

Embodiment 3

[0086] 30% active compound (10.0% spirotetramat and 20.0% chlorpyrifos composition): 40.0% spirotetramat, 2.0% fatty alcohol polyoxyethylene ether, 3.0% sodium methylnaphthalenesulfonate formaldehyde condensate, methylene 1.0% sodium dinaphthalene sulfonate, 2.0% propylene glycol, 0.6% sodium carboxymethylcellulose, 0.1% polyether defoamer, 51.5% deionized water, fully mixed, and then put into high-shear homogeneous emulsifier at high speed Shear coarse grinding and homogenization, then pump to the sand mill for sanding, sanding to a certain particle size, and then filter to obtain the suspending agent. 40% spirotetramat in suspension, D 90 The particle size is 3-5 microns. Then 25.0% of 40.0% spirotetramat suspension concentrate, chlorpyrifos 20.0%, No. 1500 solvent 10.0%, tallow ethoxylated ammonium salt 3.0%, alkylphenol polyoxyethylene ether 4.0%, propylene glycol 2.0%, carboxymethyl 0.3% sodium cellulose, 0.1% polyether defoamer, and 35.6% deionized water are fully mixe...

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Abstract

The invention discloses a compounded insecticidal suspension emulsion with chlorpyrifos and spirotetramat and a preparation method of the compounded insecticidal suspension emulsion. The compounded insecticidal suspension emulsion comprises the following contents in percentage by weight: 2-30% of spirotetramat, 10-40% of chlorpyrifos, 5-20% of organic solvent and the balance water, and is formed by adopting the following steps of mechanical stirring, sanding and high-speed homogeneity cutting. The compounded insecticidal suspension emulsion has a stable property and a high medicine effect, and can be used for preventing injurious insects such as scale insects of oranges, cotton and apples, bemisia tabaci of vegetables, and the like. According to the invention, the compounded insecticidal suspension emulsion has the advantages that the water is used as the main dispersion medium, the pollution to the environment is small, the situations of oil deposition, sediment and the like when the compounded insecticidal suspension emulsion is stored for two years under normal temperature are not existed, the service life of a storage rack is long and is non-flammable, the storage and the transportation is safe, compared with using the spirotetramat alone, the cost is low, and the like.

Description

Technical field: [0001] The invention relates to insecticides, in particular to a compound insecticidal suspoemulsion containing chlorpyrifos and spirotetramat and a preparation method thereof. Background technique: [0002] Chlorpyrifos (chlorpyrifos) is a broad-spectrum insecticide of cholinesterase inhibitors. It has good contact and stomach poisoning effects, and has certain fumigation properties. It has no systemic and osmotic effects. It has a good control effect on the larvae of mealybugs, mealybugs and psyllids, but the effect on scale insects that have formed a waxy layer is not ideal. It has contact killing, stomach poisoning and fumigation effects on pests. It is the leading variety for the control of vegetables, fruit trees and underground pests in my country One of the large-tonnage pesticides currently on the market. [0003] Spirotetramat (spirotetramat) is a new tetronic acid insecticide with bidirectional systemic conductivity, broad insecticidal spectrum and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N57/16A01N47/06A01N25/04A01N25/30A01P7/04
Inventor 徐群辉朱洪斌魏方林
Owner ZHEJIANG XINNONG CHEM CO LTD
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