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Emulsifiable concentrate preparation of cyclohexanedione herbicide and preparation method of emulsifiable concentrate preparation

A technology of cyclohexenones and herbicides, which is applied in the direction of herbicides and algicides, botany equipment and methods, biocides, etc., can solve the problem of high decomposition rate of the active ingredient ethenoxydim, and achieve the protection of the agricultural ecological environment , excellent biological activity, and the effect of reducing enterprise costs

Active Publication Date: 2018-06-22
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chinese patent (CN105660631) discloses a method for preparing aromatic-free sethenoxydim emulsifiable concentrate by using methyl oleate. Although its physical stability is qualified, the decomposition rate of its active ingredient sethenoxydim is very high

Method used

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  • Emulsifiable concentrate preparation of cyclohexanedione herbicide and preparation method of emulsifiable concentrate preparation
  • Emulsifiable concentrate preparation of cyclohexanedione herbicide and preparation method of emulsifiable concentrate preparation
  • Emulsifiable concentrate preparation of cyclohexanedione herbicide and preparation method of emulsifiable concentrate preparation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 160

[0021] Example 1 60% clethodim EC

[0022]

[0023]

[0024] Weigh clethodim mother liquor and other materials according to the formula of Example 1, according to figure 1 The processing flow of the cyclohexenone herbicide emulsifiable concentrate formulation is prepared. According to the method shown in GB22615-2008, the indicators of the prepared clethodim emulsifiable concentrate preparations were determined: 1. The mass fraction of active ingredients, the mass fraction of clethodim was determined by high performance liquid chromatography, refer to GB22615-2008 Appendix A Methods. 2. Moisture measurement reference (GB / T1600): According to Karl Fischer method, use a moisture analyzer to test 3. pH range, the pH value of 60% clethodim EC is measured according to GB / T 1601. 4. Long-lasting foaming property, the method of long-lasting foaming of 60% clethodim EC is carried out according to GB / T8137-011. 5. Emulsion stability (GB / T1600): Refer to the following methods, respectiv...

Embodiment 1

[0028] The quality and technical indicators of the 60% clethodim EC prepared in Example 1 are shown in Table 1.

[0029] Table 1. Quality and technical indicators of 1% clethodim EC

[0030]

Embodiment 224

[0031] Example 2 24% clethodim EC

[0032]

[0033] Weigh clethodim mother liquor and other materials according to the formula of Example 2, and figure 1 The processing flow of the cyclohexenone herbicide emulsifiable concentrate formulation is prepared. According to the method and indicators described in Example 1, the indicators were tested. The quality and technical indicators of the 24% clethodim EC prepared in Example 2 are shown in Table 2. In Example 2, propylene glycol diacetate was purchased from Shouguang Jinyu Chemical Co., Ltd.; dioctyl sulfosuccinate was purchased from Jiangsu Hai’an Petrochemical Plant; polyethylene glycol oleate was purchased from Jiangsu Hai’an Petrochemical Plant ; Epoxidized soybean oil was purchased from Guangzhou Fufei Chemical Co., Ltd.; Emulsogen TS 200 was purchased from Clariant Chemical (China) Co., Ltd., Lexxiso 1305, and solvent 200 were purchased from ExxonMobil Petroleum Company.

[0034] Table 2. Technical indicators of 24% clethodim...

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Abstract

The invention relates to an emulsifiable concentrate preparation of a cyclohexanedione herbicide and a preparation method of the emulsifiable concentrate preparation which is used for controlling gramineous weeds. The emulsifiable concentrate preparation is prepared from 3%-60% by weight of cyclohexanediones as active components and the balance of agriculturally acceptable emulsifier, stabilizer and solvent and is in a form of emulsifiable concentrate, and the emulsifier is one or a mixture of oleate emulsifiers, iso-alcohol emulsifiers, alkylphenol polyoxyethylene ether emulsifiers, sulfonated dioctyl succinate emulsifiers and fatty alcohol emulsifiers. Epoxidized soybean oil and an ester solvent are added to the formula as the stabilizer, so that the problem that active components are decomposed easily is solved, and active component decomposition rate of the preparation is lower than 5% when the preparation is stored for 14 d at 54 DEG C.

Description

Technical field [0001] The invention relates to the field of pesticide preparations, in particular to a cyclohexenone herbicide emulsifiable concentrate preparation and a preparation method thereof. Background technique [0002] Cyclohexanediones herbicides, also known as cyclohexane-1,3-dione herbicides, are a very important class of herbicides, and were first researched and developed by Nippon Soda. , Is a safe, efficient, highly selective, and broad herbicidal spectrum of acetyl-Coenzyme A carboxylase (ACCase) inhibitors. Such inhibitors have a strong killing effect on gramineous weeds, but are highly safe to dicots, so they are more commonly used in broad-leaved crop fields. Cyclohexenone herbicides generally contain functional groups such as hydroxyl, double bond, oxime, etc., which are easily decomposed by oxygen, moisture, ultraviolet rays, and temperature in the daily environment. Due to the characteristics of easy decomposition of the original drug, the stability of it...

Claims

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Application Information

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IPC IPC(8): A01N25/04A01N25/22A01N25/30A01N35/10A01N43/18A01P13/00
CPCA01N25/04A01N25/22A01N25/30A01N35/10A01N43/18
Inventor 杜凤沛李向东
Owner CHINA AGRI UNIV
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