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Pesticide missible oil preparation

A technology of pesticides and emulsifiable concentrates, applied in the direction of insecticides, biocides, animal repellants, etc., can solve the problems of fish and other aquatic organisms death, eye and upper respiratory tract irritation, and potential safety hazards

Inactive Publication Date: 2010-06-16
GUANGDONG FUERKANG CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the solvents used in pesticide emulsifiable concentrate preparations are mainly toluene and xylene, but the large-scale use of toluene and xylene has produced many problems, such as toluene and xylene are irritating to the skin and mucous membranes, and have an anesthetic effect on the central nervous system. Inhalation of high concentration in a short period of time can cause obvious eye and upper respiratory tract irritation symptoms, and toluene and xylene have low solubility in water, so they can float or distribute on the water surface in oily form, resulting in the death of fish and other aquatic organisms. cause environmental pollution
In addition, toluene and xylene are also highly volatile and flammable, posing safety hazards during transportation and use

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Example 1. Preparation of 3% abamectin·beta-cypermethrin EC (composite formulation).

[0012] Dissolve 4.0 kg of 5% abamectin oil slurry with 3L absolute ethanol, add 10.5 kg of 27% beta-cypermethrin benzene oil, mix well, add 12kg TG-2201 emulsifier, mix well and add glycerol To 100L. A 100L 3% abamectin·beta-cypermethrin pesticide emulsifiable concentrate formulation was obtained, wherein the abamectin content was 0.2%, the beta-cypermethrin content was 2.8%, and the total content of pesticide active ingredients was 3%. This product is mainly used to control Plutella xylostella.

[0013] The compound emulsifiable concentrate product of this example is compared with the emulsifiable concentrate product of the same specification prepared from toluene and xylene. The results are shown in Table 1. The two emulsifiable concentrates were tested in the field at the same time. All emulsifiable concentrates were diluted with water and sprayed, and the control effects were calcula...

Embodiment 2

[0017] Example 2. Preparation of 10% chlorpyrifos·beta-cypermethrin EC (compound formulation).

[0018] Dissolve 8.5 kg of chlorpyrifos original drug with a purity of 95% in 5L absolute ethanol, add 7.5 kg of 27% beta-cypermethrin benzene oil, mix well, add 12 kg of TG-2201 emulsifier, and add glycerol after mixing. To 100L, 100L of 10% chlorpyrifos·beta-cypermethrin pesticide emulsifiable concentrate formulation is obtained, in which the content of chlorpyrifos is 8%, the content of beta-cypermethrin is 2%, and the total content of pesticide active ingredients is 10%. This product is mainly used to control Pieris rapae.

[0019] The compound emulsifiable concentrate product of this example is compared with the emulsifiable concentrate product of the same specification prepared from toluene and xylene. The results are shown in Table 2. The two emulsifiable concentrates were tested in the field at the same time. All emulsifiable concentrates were diluted with water and sprayed, and...

Embodiment 3

[0024] Example 3. Preparation of 20% fenvalerate emulsifiable concentrate formulation.

[0025] Dissolve 22.4kg of fenvalerate original drug with a purity of 90% in 10L of absolute ethanol and add 10kg of synergistic phosphorus with a purity of 50%. After stirring, add 10gk of TG-2201 emulsifier, and add glycerol after mixing. Alcohol to 100L to obtain 100L pesticide emulsifiable concentrate formulation containing 20% ​​fenvalerate. This product is mainly used to control heartworm and Spodoptera litura.

[0026] In the above embodiments, the TG-2201 emulsifier can be the product provided by Guangzhou Xilin Biotechnology Co., Ltd., and the beta-cypermethrin benzene oil can be the product provided by Guangdong Deli Biotechnology Co., Ltd.

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Abstract

The invention relates to a pesticide missible oil preparation which comprises a pesticide active constituent, an emulsifying agent, a cosolvent and a solvent, wherein the solvent is glycerol; a TG-2201 emulsifying agent is preferably selected as the emulsifying agent; absolute ethyl alcohol is preferably selected as the cosolvent; the pesticide active constituent is a compound of abamectin and high-efficiency cypermethrin, a compound of chlorpyrifos and the high-efficiency cypermethrin, or a compound of fenvalerate and synergistic phosphorus. Because the glycerol is used for replacing toluene and dimethylbenzene of a traditional solvent, the active drug effect of the pesticide missible oil preparation is better than that of a missible oil preparation using the toluene or the dimethylbenzene as a solvent, and moreover, the replacement application of the glycerol used as the solvent solves the problem of toxic and side effects generated by using a large quantity of the toluene and the dimethylbenzene, thus the pesticide missible oil preparation belongs to a green environmental-friendly novel pesticide.

Description

Technical field: [0001] The invention relates to a pesticide emulsifiable concentrate formulation, in particular to a pesticide emulsifiable concentrate formulation in which glycerol replaces toluene or xylene as a solvent. Background technique: [0002] At present, the solvents used in pesticide emulsifiable concentrates are mainly toluene and xylene, but the large-scale use of toluene and xylene has caused many problems. For example, toluene and xylene are irritating to the skin and mucous membranes and anesthetize the central nervous system. Effect, inhalation of higher concentration in a short time can cause obvious irritation to the eyes and upper respiratory tract, and the solubility of toluene and xylene in water is small, so they can float or be distributed on the water surface in an oily state, causing the death of fish and other aquatic organisms. Cause environmental pollution. In addition, toluene and xylene also have strong volatility and flammability, and there are ...

Claims

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Application Information

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IPC IPC(8): A01N25/04A01N43/90A01N57/16A01N47/40A01N53/08A01N37/38A01N41/02A01N47/30A01N47/34A01N43/88A01N55/04A01P7/04
Inventor 庄明儒方练庄梦兰庄梦婷庄梦芝
Owner GUANGDONG FUERKANG CHEM TECH
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