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Monosultap imidacloprid liquid dispersibility effervescent tablet and preparation method thereof

A technology of effervescent tablet and acidic effervescent agent, which is applied in the directions of botanical equipment and methods, biocides, biocides, etc. The effect of bioavailability, safe storage and transportation, high suspension rate

Inactive Publication Date: 2010-07-07
李军民
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, the existing dosage forms in my country's pesticide market mainly include wettable powders, emulsifiable concentrates, etc. Most of these dosage forms have simple production processes, poor safety for personnel during the production process, and serious pollution to the production environment; The efficiency is poor, the utilization rate of pesticides is low, it will also cause certain pollution to the agricultural ecology and the environment, and the problem of pesticide residues is relatively serious.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0039] 10% monosultap imidacloprid water dispersible effervescent tablet: mix monosultap 5%, imidacloprid 5%, kaolin 55.8%, wetting agent sodium alkyl sulfate 3%, dispersant lignosulfonate 4% Stir evenly, take the method of airflow crushing, crush it into a fine powder of 500 mesh-1000 mesh, divide it into two equal parts, then mix with 8% tartaric acid and 6% sodium bicarbonate and stir for 15 minutes to make it uniform, add 0.2% poly Ethylene glycol, and then mixed for 15 minutes to obtain acidic soft materials and alkaline soft materials; put the acidic soft materials and alkaline soft materials into a granulator to granulate, and then dry at 40°C until the water content is less than 2% Finally, through a 20-mesh sieve, the granules are sized and packaged in a sealed manner. Add the prepared two kinds of acid and alkali effervescent tablets into the mixer, add 25% magnesium stearate, mix and stir for 15 minutes, and then compress the tablets to obtain 10% dimehypo imidaclop...

example 2

[0041] 20% monosultap imidacloprid water dispersible effervescent tablet: 10% monosultap, 10% imidacloprid, 35.8% light calcium carbonate, 4% wetting agent alkyl sodium sulfate, dispersing agent alkylnaphthalene formaldehyde condensation Mix and stir 6% of the compound evenly, adopt the method of airflow crushing, divide it into two equal parts after being crushed into a fine powder of 500 mesh-1000 mesh, then mix and stir with 6% tartaric acid and 8% sodium bicarbonate for 15 minutes to make it uniform, Add 0.2% polyethylene glycol and mix for 15 minutes to obtain acidic soft material and alkaline soft material respectively; put the acidic soft material and alkaline soft material into a granulator to granulate, and then dry at 40°C until After the water content is less than 2%, the granules are sieved through a 20-mesh sieve, and sealed and packaged. Add the prepared two acid and alkali effervescent tablets into the mixer, add 20% talcum powder, mix and stir for 15 minutes an...

example 3

[0043] 40% Monosultap·Imidacloprid Water-dispersible Effervescent Tablets: Monosultap 20%, Imidacloprid 20%, Diatomaceous Earth 22.8%, Wetting Agent Fatty Alcohol Polyoxyethylene Ether 4%, Dispersant Alkyl Naphthalene Formaldehyde Mix and stir the condensate 8% evenly, adopt the method of jet crushing, and divide it into two equal parts after being crushed into a fine powder of 500 mesh to 1000 mesh, and then mix it with 4% anhydrous citric acid and 6% sodium bicarbonate for 15 minutes, Make it uniform, add 0.2% polyvinyl alcohol, and mix for 15 minutes to obtain acidic soft material and alkaline soft material respectively; put the acidic soft material and alkaline soft material into a granulator to granulate, and then granulate at 40 After drying at ℃ until the water content is less than 2%, the granules are sieved through a 20-mesh sieve, and sealed and packaged. Add the prepared two kinds of acid and alkali effervescent tablets into the mixer, add 15% alkyl sulfate, mix and...

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PUM

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Abstract

The invention discloses a monosultap imidacloprid liquid dispersibility effervescent tablet and a preparation method thereof. The dispersibility effervescent tablet selects a best formula, comprising 5-50% of monosultap, 5-50% f imidacloprid, 3-6% of dispersing agent, 3-25% of lubricating agent, 1-10% of acid effervescence agent, 1-10% of alkalinity effervescent tablet, 0.5-5% of binder and 100% of diluent. The dispersibility effervescent tablet can effectively prevent and control the rice planthopper, the Cnaphalocrocis medialis, the Chilo suppressalis and the Scirpophaga incertulas as well as the pests such as the Ceratovacuna lanigera Zehntner, the phyllocnistis citrella stainton, the vegetable aphid and the like.

Description

technical field [0001] The invention relates to an agricultural insecticide, in particular to a water-dispersible effervescent tablet of monosultap imidacloprid and a preparation method thereof. Background technique [0002] Imidacloprid is a new type of nitromethylene insecticide jointly developed by Japan Special Pesticide Co., Ltd. and Bayer AG of Germany. It has the characteristics of high efficiency, low toxicity, systemic property, and wide insecticidal spectrum. , Scraping and sucking mouthparts pests, such as aphids, leafhoppers, planthoppers, thrips, whiteflies and other pests that develop resistance, have special effects. In addition, it also has a certain control effect on pests of Lepidoptera, Diptera and Coleoptera. At the same time, imidacloprid also has stomach poisoning and contact killing effects. The mechanism of action is mainly to selectively inhibit the nicotinic acid acetylcholinesterase receptor in the insect nervous system, block the normal conductio...

Claims

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Application Information

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IPC IPC(8): A01N25/34A01N41/08A01N51/00A01P7/00
Inventor 李军民唐浩
Owner 李军民
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