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Aqueous emulsion containing methyl amino abamectin and benzoate, and its preparing method

A technology of emamectin and benzoate, which is applied in the field of emamectin benzoate emulsion in water and its preparation, can solve the problems of drug damage, lax management, poisoning, etc., and promote environmental protection , Obvious social benefits, reducing the effect of using agricultural capital

Active Publication Date: 2007-07-25
SHANGHAI NONGLE BIOLOGICAL PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the market demand for low-toxicity, high-efficiency and environment-friendly pesticides is relatively large, but the supply is small.
[0005] For a long time, all liquid pesticide technical materials and solid technical pharmaceuticals with considerable solubility in organic solvents, whether they are insecticides, acaricides, fungicides or herbicides, are mostly in the form of emulsifiable concentrates. Use, pesticide emulsifiable concentrate has always been an important dosage form of pesticide preparations, but because the emulsifiable concentrate contains a large amount of flammable organic solvents, it has strict requirements on production, storage, transportation, and use. Phytotoxicity
Especially in the long-term use process, a large amount of organic solvents volatilize into the atmosphere, causing serious pollution to the environment, all these problems have caused widespread concern

Method used

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  • Aqueous emulsion containing methyl amino abamectin and benzoate, and its preparing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Ingredients formula:

[0035] Emamectin benzoate 0.3kg, solvent xylene or toluene 2kg, emulsifier polyoxyethylene alkylphenol 1.5kg, thickener polyvinyl alcohol or xanthan gum 1.8kg, antifreeze ethylene glycol or 1.6 kg of propylene glycol, 0.2 kg of defoamer silicone, and 92.6 kg of water.

[0036] Preparation:

[0037] According to the above formula, add emamectin benzoate original drug to the organic solvent xylene or toluene, stirring continuously until emamectin benzoate is completely dissolved, and use it as the oil phase for later use;

[0038] Then add the emulsifier, thickener, antifreeze and defoamer to the water in sequence under stirring according to the above formula, and keep stirring until it is completely dissolved into a uniform liquid, as the water phase for later use;

[0039] First add the oil phase to the container of the shearing machine, turn on the stirring, then gradually add the water phase to the oil phase under stirring, control the speed at 1000...

Embodiment 2

[0041] Ingredients formula:

[0042] Emamectin benzoate 5kg, solvent xylene or toluene 5kg, emulsifier polyoxyethylene fatty alcohol 3.6kg, thickener polyvinyl alcohol or xanthan gum 3.5kg, antifreeze ethylene glycol or propylene glycol 2kg , 0.3kg of defoamer silicone, 80.6kg of water.

[0043] Preparation:

[0044] According to the above formula, add the original emamectin benzoate to the organic solvent xylene or toluene, stirring continuously until the emamectin benzoate is completely dissolved, and use it as the oil phase for later use:

[0045] Then add the emulsifier, thickener, antifreeze and defoamer to the water in sequence under stirring according to the above formula, and keep stirring until it is completely dissolved into a uniform liquid, as the water phase for later use;

[0046] First add the oil phase to the container of the shearing machine, turn on the stirring, and then gradually add the water phase to the oil phase under stirring, control the speed at 12000 rp...

Embodiment 3

[0048] Ingredients formula:

[0049] Ethylamino abamectin benzoate 16kg, solvent xylene and toluene mixture 8kg, emulsifier polyoxyethylene alkyl aryl phenol and sorbitol ester mixture 8kg, thickener polyvinyl alcohol or xanthan gum 4kg , 4kg of antifreeze mixture of ethylene glycol and propylene glycol, 0.8kg of antifoaming agent silicone, 59.2kg of water.

[0050] Preparation:

[0051] According to the above formula, add emamectin benzoate to the mixture of organic solvent xylene and toluene, stirring continuously until emamectin benzoate is completely dissolved, and use it as the oil phase for later use. ;

[0052] Then, according to the above formula, add the dimethicone, emulsifier, thickener, antifreeze and defoamer into the water in sequence under stirring, and keep stirring until it is completely dissolved into a uniform liquid, and use it as the aqueous phase for later use;

[0053] First add the oil phase to the container of the shearing machine, turn on the stirring, th...

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Abstract

An aqueous emulsion of methylamino abamectin benzoate is proportionally prepared from methylamino abamectin benzoate, solvent, emulsifier, thickening agent, anti-freezing agent, defoaming agent and water through preparing oil phase, preparing water phase and mixing while shearing.

Description

Technical field [0001] The invention relates to a pesticide and a preparation method thereof, in particular to an emamectin benzoic acid salt water emulsion for preventing and controlling vegetable beet armyworm, Spodoptera litura, Plutella xylostella, Pieris rapae and other crop pests and a preparation method thereof. Background technique [0002] In recent years, global pesticide policies have undergone great changes. In particular, developed countries have very strict restrictions on the use of highly toxic and high-residue pesticides. Especially after the national ban on the use of highly toxic pesticides in agriculture on January 1, 2007, the domestic market The demand for high-efficiency, low-toxicity, and low-residue environmentally friendly pesticides will increase, and high-toxic pesticide varieties will be ruthlessly eliminated under the effect of the prohibition order. Restricting and further banning highly toxic pesticides is the trend of social development and the ne...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/90A01N25/02A01P7/04
Inventor 冯镇泰
Owner SHANGHAI NONGLE BIOLOGICAL PROD
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