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45% 2-methyl-4-chloro isooctyl microcapsule suspension

A technology of isooctyl ester microcapsules and suspensions, which is applied in the direction of biocides, biocides, animal repellents, etc., can solve the problems of conventional dosage forms such as short duration of action and frequent application times, and improve the stability of preparations Effect

Inactive Publication Date: 2016-06-08
ANHUI MEILAND AGRI DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, 2-methyl-4-chloroisooctyl aqueous emulsion can produce ester bond hydrolysis and other reactions in the storage environment, which makes the conventional dosage forms have a short duration and frequent application times, which brings great pressure to the environment.

Method used

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  • 45% 2-methyl-4-chloro isooctyl microcapsule suspension
  • 45% 2-methyl-4-chloro isooctyl microcapsule suspension
  • 45% 2-methyl-4-chloro isooctyl microcapsule suspension

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] 45% 2-methyl-4-chloroisooctyl microcapsule suspension concentrate, each component and parts by weight thereof are as follows:

[0024] Element

parts by weight

2 methyl 4 chloroisooctyl ester

45

Nano silica

9

Fatty alcohol polyoxyethylene ether

3

Styrylphenol polyoxyethylene ether

5

xanthan gum

0.5

sodium benzoate

0.3

Defoamer

0.5

Deionized water

36.7

[0025] Production Process:

[0026] ①. Preparation of nano-silica-loaded API ultrafine particles

[0027] Pump 2-methyl-4-chloroisooctyl ester into the preparation kettle, and add nano-silica under high-speed shearing and stirring conditions; after stirring for a period of time, a slurry-state mixture with good fluidity is formed, and the loaded 2-methyl-4 Chloroisooctyl / silica ultrafine nanocomposite microspheres;

[0028] ②, preparation of 2-methyl-4-chloroisooctyl suspension

[0029] Under high-speed sheari...

Embodiment 2

[0031] 45.1% 2-methyl-4-chloroisooctyl microcapsule suspension concentrate, each component and its parts by weight are as follows:

[0032] Element

[0033] Production technology is with embodiment 1.

Embodiment 3

[0035] 44.8% 2-methyl-4-chloroisooctyl microcapsule suspension concentrate, each component and its parts by weight are as follows:

[0036] Element

[0037] Production technology is with embodiment 1.

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Abstract

The invention discloses a 45% 2-methyl-4-chloro isooctyl microcapsule suspension, and relates to the technical field of prevention and control of broadleaf weeds in wheat fields. The 45% 2-methyl-4-chloro isooctyl microcapsule suspension is prepared from 45 parts of 2-methyl-4-chloro isooctyl, 9 parts of nano white carbon black, 3 parts of fatty alcohol-polyoxyethylene ether, 5 parts of styrylphenol polyoxyethylene ether, 0.5 part of xanthan gum, 0.3 part of sodium benzoate, 0.5 part of defoamer, and 36.7 parts of deionized water. The 45% 2-methyl-4-chloro isooctyl microcapsule suspension has the advantages that the function of resisting hydrolyzing of a raw drug is realized, and the stability is obviously improved; under the actions of adsorption of the nano white carbon black and coating of an outer polymer material, the new preparation can control the release of the raw drug and reach the slow-releasing effect, so that the utilization rate of effective ingredients is realized, the damage to environment is decreased, and the like.

Description

technical field [0001] The invention relates to the technical field of broad-leaved weed control in wheat fields, in particular to a 45% 2-methyl-4-chloroisooctyl microcapsule suspension. Background technique [0002] At present, the existing herbicidal compositions used for the control of broad-leaved weeds in wheat fields such as kangaroo and brome, for example, the Chinese patent "CN103283758A" discloses a "containing thifensulfuron-methyl, 2-methyl-4-chloride and benzazine The herbicidal composition of sulfensulfuron-methyl", wherein the effective active ingredients are thifensulfuron-methyl, 2-methyl-4-chlor and bensulfuron-methyl, and the ratio of the three is 5:10:30. Another Chinese patent "CN103283750A" discloses a "herbicidal composition containing tribenuron-methyl, 2-methyl-4-chloride and fluroxypyr", in which the active ingredients are tribenuron-methyl, 2-methyl-4-chloride and fluroxypyr Oxyacetic acid, the ratio of the three is 15:10:6. [0003] The inventor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/28A01N25/04A01N39/04A01P13/00
CPCA01N25/28A01N25/04A01N39/04
Inventor 徐长才毛堂富
Owner ANHUI MEILAND AGRI DEV
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