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Emamectin benzoate and lufenuron synergistic dry suspension and preparation method thereof

A technology of methylamino abamectin and benzoate, applied in the field of pesticides, can solve the problems of low content of the original drug of the preparation product, inconvenient packaging and transportation, high residual toxicity of pesticides, etc., and achieves saving the cost of medicines and reducing the dosage of medicines , the effect of significant control effect

Active Publication Date: 2019-01-22
HEBEI VEYONG BIO CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the use of emulsifiers in microemulsion products, the residual toxicity of pesticides is high, and the cost of raw materials is high due to the presence of organic solvents. The solvents are sensitive to the impurities and crystals of the original drug. packaging and shipping

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment l

[0031] Add 1% emamectin benzoate, 80% lufenuron, 4% dispersant maleic acid-acrylic acid, 5% wetting agent sodium butylnaphthalene sulfonate, 3% synergist EDTA and 7% filler glucose into the batching tank Add distilled water with 54% of the total mass of the above components, fully stir and mix, then coarsely pulverize with a high-speed shearing machine at a speed of 1500 rpm for 3 hours; then perform fine grinding with a two-stage sand mill until the particle size It is 1~5μm; after fine grinding, the fine powder is dried in a pressure spray drying tower and granulated to obtain the product. Among them, the air inlet temperature is controlled at 140°C, and the air outlet temperature is controlled at 90°C, and the product is packaged as sample 1 after passing the test.

Embodiment 2

[0033] 5% emamectin benzoate, 60% lufenuron, 3% dispersant sodium hexametaphosphate, 2% sodium pyrophosphate, 3% wetting agent polyethylene glycol, 2% synergist EDTA, 10% filler soluble starch and 15% anhydrous lactose into the batching tank, then add distilled water with 50% of the total mass of the above components, fully stir and mix, and then coarsely pulverize with a high-speed shearing machine at a speed of 1500 rpm for 3 hours; Fine grinding with a sand mill until the particle size is 1-5 μm; after fine grinding, the fine powder is dried in a pressure spray drying tower and granulated to obtain the product. Among them, the temperature of the air inlet is controlled at 130°C, and the temperature of the air outlet is controlled at 80°C, and the product is packaged into sample 2 after passing the test.

Embodiment 3

[0035] 10% emamectin benzoate, 50% lufenuron, 3% dispersant fatty alcohol polyoxyethylene ether, 2% carboxymethylcellulose sodium copolymer, 3% wetting agent Tween-80, 2% synergist Add EDTA, 10% filler soluble starch and 20% anhydrous lactose into the batching tank, then add distilled water with 50% of the total mass of the above components, stir and mix thoroughly, and then coarsely pulverize with a high-speed shearing machine at a speed of 1500 rpm , 3h; then perform fine grinding with a two-stage sand mill until the particle size is 1-5 μm; after fine grinding, dry the fine powder in a pressure spray drying tower and granulate to obtain a product. Among them, the temperature of the air inlet is controlled at 140°C, and the temperature of the air outlet is controlled at 98°C. The product is packaged and made into sample 3 after passing the test.

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Abstract

The invention discloses an emamectin benzoate and lufenuron synergistic dry suspension concentrate and a preparation method thereof. The dry suspension concentrate of the invention is composed of the following components by weight percentage: emamectin benzoate Formate 1-40%, lufenuron 5-80%, dispersant 5-10%, wetting agent 1-5%, synergist 1-5%, and the balance is filler. Add the above-mentioned components and distilled water into the batching tank and stir evenly, then coarsely pulverize with a high-speed shearer, and then enter the two-stage sand mill for fine grinding, and then enter the pressure spray drying tower for drying and granulation, and finally pass through After passing the inspection, the product is obtained. The product of the invention is environmentally friendly and highly efficient, and has remarkable control effects on pests of Lepidoptera, Homoptera, Diptera and thrips, and especially has remarkable control effects on pests resistant to pyrethrins and organophosphorus pesticides.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and relates to a synergistic dry suspension of emamectin benzoate and lufenuron and a preparation method thereof. Background technique [0002] Emamectin Benzoate (English Emamectin Benzoate, hereinafter referred to as emamectin salt) is white to light yellow crystalline powder. It is a high-efficiency, low-toxic insecticide and acaricide synthesized from the fermented product abamectin. Especially effective against Lepidoptera, Diptera, Thrips and Acarid pests. The mode of action is mainly stomach poisoning, and also has contact killing effect. Its mechanism is to act on the insect neuron synapse or neuromuscular synapse receptor, interfere with the information transmission of the nerve endings in the insect body, and make the insect paralyzed, refuse to eat, and die. It has the characteristics of high activity, wide insecticidal spectrum, good mixability, long-lasting effect and safe use....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/34A01N43/90A01N37/44A01P7/04A01N25/12
CPCA01N25/12A01N37/44A01N43/90A01N47/34A01N2300/00
Inventor 周园李立华
Owner HEBEI VEYONG BIO CHEM
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