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Imidacloprid sustained-release granules and preparation and application thereof

A technology of slow-release granules and imidacloprid, which is applied in the field of pesticide technology and plant protection, can solve the problems of slow production time and achieve the effects of fast production speed, wide sources and convenient application

Inactive Publication Date: 2012-12-19
GUIZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the production time of this method is slow, and the reaction time takes 4 days

Method used

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  • Imidacloprid sustained-release granules and preparation and application thereof
  • Imidacloprid sustained-release granules and preparation and application thereof
  • Imidacloprid sustained-release granules and preparation and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] The preparation of embodiment 1 0.5% imidacloprid sustained-release granules

[0034] (1). 50g of imidacloprid, 50g of detergent LS, 20g of calcium lignosulfonate, 20g of sodium lauryl sulfate, and 9750g of diatomaceous earth. Add to the granulation pan, stir well, spray water, prepare 2-5 mm round granules, and dry for later use; (2). Spray 50% epoxy resin-SK curing agent for coating, and heat to 100 ℃ ~ 120 ℃ curing; the curing time is 10 ~ 15 minutes, and the product can be obtained after the coating agent is cured.

[0035] The mass percentage of the mass of water described in step (1) and soil ball mass is 2%~15%;

[0036] The speed of the heatable disc granulator in step (1) and step (2) is 20-120 r / min.

[0037] The coating amount described in step (2) is 2.5%;

Embodiment 2

[0038] Example 2 Preparation of 1.0% imidacloprid sustained-release granules

[0039] (1). Imidacloprid 100g, detergent LS 80g, calcium lignosulfonate 60g, sodium lauryl sulfate 100g, methylcellulose 50g, bentonite to make up 9800g. Add to the granulation tray, stir well, spray water, prepare 2-5 mm round granules, dry and set aside;

[0040] (2). Spray 50% epoxy resin - SK curing agent and urea-formaldehyde resin for coating, and heat to 100 ℃ ~ 120 ℃ for curing; the curing time is 10 ~ 15 minutes, and the product can be obtained after the coating agent is cured.

[0041] The mass percentage of the mass of water described in step (1) and soil ball mass is 2%~15%;

[0042] The speed of the heatable disc granulator in step (1) and step (2) is 20-120 r / min.

[0043] The coating amount described in step (2) is 2%;

Embodiment 3

[0044] Example 3 Preparation of 2.0% imidacloprid sustained-release granules

[0045] (1). Imidacloprid 200g, detergent LS 80g, calcium lignosulfonate 50g, sodium lauryl sulfate 50g, bentonite 40g, methylcellulose 50g, kaolin supplement 9750g. Add to the granulation tray, stir well, spray water, prepare 2-5 mm round granules, dry and set aside;

[0046] (2). Spray 50% epoxy resin - SK curing agent for coating, and heat to 100 ℃ ~ 120 ℃ for curing; the curing time is 10 ~ 15 minutes, and the product can be obtained after the coating agent is cured.

[0047] The mass percentage of the mass of water described in step (1) and soil ball mass is 2%~15%;

[0048] The speed of the heatable disc granulator in step (1) and step (2) is 20-120 r / min.

[0049] The coating amount described in step (2) is 2.5%;

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Abstract

The invention discloses an imidacloprid sustained-release granular insecticide and preparation and application thereof. The components of the imidacloprid sustained-release insecticide include imidacloprid, auxiliaries, coating agent and filler. The invention discloses a preparation method and application of the imidacloprid sustained-release insecticide. The imidacloprid sustained-release insecticide slowly releases the beneficial components so as to achieve the aim of reducing insecticide applying times.

Description

technical field [0001] The invention relates to the fields of pesticide technology and plant protection, in particular to the preparation and application of imidacloprid sustained-release granules. Background technique [0002] Imidacloprid is a super-efficient neonicotinoid insecticide with broad-spectrum, high efficiency, low toxicity, and low residue. It is not easy for pests to develop resistance, and it is safe for humans, animals, plants, and natural enemies. It also has contact, stomach, and systemic toxicity. and other multiple functions. After the pests are exposed to the pesticide, the normal conduction of the central nervous system is blocked, causing them to paralyze and die. [0003] The common English name of imidacloprid is imidacloprid, and its chemical name is 1-(6-chloropyridin-3-pyridylmethyl)-N-nitroimidazolidin-2-ylamine. The structural formula is: [0004] [0005] Imidacloprid is a nitromethylene-type systemic insecticide, and it is the action bo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N51/00A01N25/12A01P7/04
Inventor 徐维明杨松陈卓贺鸣薛伟李培黎世泽陈妍苏士虎
Owner GUIZHOU UNIV
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