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Method for preparing acetamiprid-containing water-soluble granules

A acetamiprid, soluble technology, applied in the field of preparation of water-soluble granules, can solve the problems of low suspension rate, insignificant drug effect, no complete solubility, etc., achieves high bactericidal efficacy, convenient storage and transportation, safety Good results

Inactive Publication Date: 2012-07-11
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the low suspension rate of the above-mentioned water-dispersible granules, the lack of total solubility, and the shortcomings of insignificant drug efficacy, and propose a method for preparing water-soluble granules containing acetamiprid

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Embodiment 1: Preparation of 15% acetamiprid water-soluble granules

[0022] The first step: preparation of raw materials required for acetamiprid water-soluble granule, its mass ratio (weight percent):

[0023] Acetamiprid 15%

[0024] Polyethylene glycol 10000 30%

[0025] Dispersant GY-D06 10%

[0026] Ammonium Chloride 20%

[0027] Sodium Carbonate 15%

[0028] Maltose 10%;

[0029] The second step: preparation of acetamiprid master powder

[0030] First, melt the water-soluble carrier polyethylene glycol 10000 in an oil bath at 85°C according to the above mass ratio, then add the acetamiprid original drug, stir rapidly for 15 minutes, take it out, dry it, and finally carry out ultra-fine airflow pulverization of the sample. Obtain the mother powder of the original drug of acetamiprid, and place it in the desiccator for subsequent use;

[0031] The third step: preparation of acetamiprid water-soluble granules

[0032] Adding a dispersant to the original ...

Embodiment 2

[0033] Embodiment 2: Preparation of 30% acetamiprid water-soluble granules

[0034] The first step: preparation of raw materials required for acetamiprid water-soluble granule, its mass ratio (weight percent):

[0035] Acetamiprid 30%

[0036] Polyethylene glycol 6000 60%

[0037] Dispersant TANEMUL ? CON1 5%

[0038] Ammonium Chloride 5%

[0039] The second step: preparation of acetamiprid master powder

[0040] First, melt the water-soluble carrier polyethylene glycol 10000 in an oil bath at 85°C according to the above mass ratio, then add the acetamiprid original drug, stir rapidly for 15 minutes, take it out, dry it, and finally carry out ultra-fine airflow pulverization of the sample. Obtain the mother powder of the original drug of acetamiprid, and place it in the desiccator for subsequent use;

[0041] The third step: preparation of acetamiprid water-soluble granules

[0042] Adding a dispersant to the original drug powder of acetamiprid TANEMUL ? CO...

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Abstract

The invention provides a method for preparing acetamiprid-containing water-soluble granules. The water-soluble granules comprise the following components in percentage by weight: 15 to 30 percent of acetamiprid, 10 to 60 percent of water-soluble carrier, 4 to 10 percent of dispersant, 5 to 20 percent of disintegrant and the balance of filler. The acetamiprid-containing water-soluble granules are prepared by the following steps of: preparing powder of Chinese herbal medicines of acetamiprid by a solid dispersion technology, granulating by adding an aid and the filler, drying, screening and packaging. The invention has the advantages that: the prepared granules are stable, safe and environment-friendly, are high in disintegration rate and high in sterilization efficacy, and are convenient to store and transport, the formula and the processing technology are simple, the operation skills are easy to grasp, the comprehensive production cost is low and the like.

Description

technical field [0001] The invention belongs to the technical field of insecticides, in particular to a preparation method of water-soluble granules containing acetamiprid. [0002] Background technique [0003] In recent years, the extensive use of chemical pesticides has brought great pressure to the ecological environment and the sustainable development of agriculture, and also seriously threatened human health and ecological balance. High efficiency, low toxicity, ecological environment and non-target biological safety have become the mainstream and trend of modern pesticide development. Acetamiprid is also known as Mobilang, Acetamiprid, NI225, and its common name in English is acetamiprid , is a representative species of chlorinated nicotinimide insecticides. The combination of the insecticide with the acetylcholine receptor in the insect body makes the insect extremely excited, and the whole body convulses and paralyzes to death. It only needs to use 0.5 grams of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/40A01N25/14A01P7/04
Inventor 陈际达宋永婷王天会张娜
Owner CHONGQING UNIV
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