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Methylamino emamectin benzoate dispersible oil-based suspension and preparation method thereof

A technology of emamectin and benzoate, which is applied in the field of emamectin benzoate dispersible oil suspension and its preparation, can solve the problems of low environmental cost of the suspension, serious environmental pollution, and creaming of the suspension. Achieve high practical value, good drug effect, and reduce dosage

Active Publication Date: 2012-12-05
SHANDONG LVBANG CROP SCI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The emulsifiable concentrate has good medicinal effect, but it pollutes the environment seriously, and it belongs to the dosage form banned by the state; emamectin emamectin saline emulsion and microemulsion also contain 10-20% organic solvent and 10-20% emulsifier, etc., which is a controversial dosage form , the environmental cost of the suspension is low, but at the same dosage, it is less effective than other dosage forms, and the processing of the suspension is prone to creaming, which is not easy to produce

Method used

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  • Methylamino emamectin benzoate dispersible oil-based suspension and preparation method thereof
  • Methylamino emamectin benzoate dispersible oil-based suspension and preparation method thereof
  • Methylamino emamectin benzoate dispersible oil-based suspension and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Embodiment 1: emamectin benzoate dispersible oil suspension

[0028]

[0029] Preparation method: According to the above-mentioned components and proportions, first disperse and stir in the pre-mixing tank for 15-30 minutes to make them all uniformly dispersed, then sand-mill three times through 3 sets of sand mills, and take samples to observe and test various indicators, so as to achieve Requirements and quality requirements for dispersible oil suspension formulations.

[0030] The prepared dispersible oil suspension concentrate has the following detection indicators (tested according to the requirements in the CIPAC manual, the same below): Table 1

[0031]

[0032]

[0033] As can be seen from the above test results, the prepared emamectin benzoate oil suspension concentrate according to embodiment 1 meets the national requirement standard for oil suspension concentrate, and each index is better.

Embodiment 2

[0034] Embodiment 2: emamectin benzoate dispersible oil suspension

[0035]

[0036] Preparation method: evenly disperse emamectin emamectin salt, emulsifier, antioxidant, organic bentonite, and epoxy soybean oil, and then sand-mill with a sand mill to make a dispersible oil suspension. Prepared dispersible oil suspension concentrate detection index is as follows: Table 2

[0037]

[0038] As can be seen from the above test results, the prepared emamectin benzoate oil suspension concentrate according to embodiment 2 meets the national requirement standard for oil suspension concentrate, and each index is better.

Embodiment 3

[0039] Embodiment 3: Diamectin emamectin dispersible oil suspension

[0040]

[0041]

[0042]Preparation method: mix emamectin benzoate, emulsifier, dispersant, stabilizer, organic bentonite, and methyl oleate, and disperse evenly, then sand mill three times through 3 sets of sand mills, and take samples to observe and test various indicators. So as to achieve the various requirements and quality requirements of the dispersible oil suspension formulation.

[0043] Prepared dispersible oil suspension concentrate detection index is as follows: Table 3

[0044]

[0045] As can be seen from the above test results, the prepared emamectin benzoate oil suspension concentrate according to embodiment 3 meets the national requirement standard for oil suspension concentrate, and each index is better.

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Abstract

The invention discloses methylamino emamectin benzoate dispersible oil-based suspension and a preparation method thereof. The methylamino emamectin benzoate dispersible oil-based suspension comprises, by weight percent, 0.5-30% of methylamino emamectin benzoate, 0.5-30% of thickener, 10-12% of emulsifier, 2-8% of dispersant and the like, 0.1-3% of stabilizer, and the balance of vegetable oil. The preparation method includes mixing well the components proportionally, and using a sand mill for sanding to make the dispersible oil-based suspension. The methylamino emamectin benzoate dispersible oil-based suspension is environment-friendly. The vegetable oil is used as the dispersant, so that the suspension is high in viscosity and permeability, resistant to rain wash and long in duration. The vegetable oil has synergistic effect for the methylamino emamectin benzoate, the effect of the methylamino emamectin benzoate is given to full play, and usage of effective ingredients is reduced. The invention belongs to the technical field of processing of chemical pesticide preparations.

Description

technical field [0001] The invention relates to a chemical pesticide preparation processing technology, in particular to emamectin benzoate dispersible oil suspension and a preparation method thereof. Background technique [0002] The full name of emamectin benzoate is emamectin benzoate, its English name is Emamectin Benzoate, its chemical name is 4′-epi-methylamino-4′-deoxyabamectin benzoate, and its structural formula is: [0003] [0004] Emamectin benzoate is a new type of high-efficiency semi-synthetic antibiotic insecticide synthesized from the fermented product abamectin B1. It has the characteristics of ultra-high efficiency, low toxicity (preparation is almost non-toxic), low residue, and pollution-free biological pesticides. Compared with abamectin, the insecticidal activity has improved by 3 orders of magnitude, and it has a very high activity on the larvae of Lepidoptera insects and many other pests. It has both stomach toxicity and contact action. ~2g / ha) h...

Claims

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Application Information

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IPC IPC(8): A01N43/90A01N25/04A01P7/04
Inventor 刘志文唐志军李净净
Owner SHANDONG LVBANG CROP SCI CO LTD
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