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Tebuconazole dispersible water suspending agent and preparation method thereof

A water suspension, tebuconazole technology, applied in the field of tebuconazole dispersible water suspension and its preparation, can solve problems such as instability, easy precipitation, instability of tebuconazole water suspension, etc., to achieve high dispersion High performance and stability performance, high suspension stability effect

Inactive Publication Date: 2019-08-02
SHANGHAI NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The existing tebuconazole aqueous suspension is unstable, unstable under high temperature storage conditions, and prone to precipitation

Method used

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  • Tebuconazole dispersible water suspending agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] An aqueous suspension of tebuconazole, comprising the following raw materials by weight %:

[0042] Tebuconazole 43%;

[0043] Methyl mercaptan benzoate alkylphenol formaldehyde resin polyoxyethylene ether, 7%;

[0044] Tristyryl phenol polyoxyethylene ether, 3%;

[0045] Alkylphenol polyoxyethylene carboxylate, 2%;

[0046] Ethylene glycol, 4%;

[0047] Silicone, 0.5%;

[0048] Water, 40.5%.

[0049] The materials are fully mixed uniformly, and the mixed materials are added to a sand mill for grinding and sanding for 2 hours to prepare a tebuconazole dispersible water suspension agent. At 55℃, it can be kept for more than 4 months without precipitation, and at room temperature, it can be stored for more than 28 months without precipitation.

Embodiment 2

[0051] An aqueous suspension of tebuconazole, comprising the following raw materials by weight %:

[0052] Tebuconazole, 42%;

[0053] Dibenzyl biphenyl polyoxyethylene ether, 8%;

[0054] Alcohol ether carboxylate, 3%;

[0055] Silicone, 1%;

[0056] Ethylene glycol, 6%;

[0057] Water, 40%.

[0058] The materials are fully mixed uniformly, and the mixed materials are added to a sand mill for grinding and sanding for 1.5 hours to prepare a tebuconazole dispersible water suspension agent. At 55℃, it can be kept for more than 1 month without precipitation, and at room temperature, it can be stored for more than 16 months without precipitation.

Embodiment 3

[0069] An aqueous suspension of tebuconazole, comprising the following raw materials by weight %:

[0070] Tebuconazole, 50%;

[0071] Alkylphenol polyoxyethylene carboxylate, 5%;

[0072] Triglyceride polyoxyethylene ether, 7%;

[0073] Alkylphenol formaldehyde resin polyoxyethylene ether, 3%;

[0074] Silicone, 1%;

[0075] Ethylene glycol, 3%;

[0076] Water, 31%.

[0077] The materials are fully mixed uniformly, and the mixed materials are added to a sand mill for grinding and sanding for 2 hours to prepare a tebuconazole dispersible water suspension agent. At 55℃, it can be kept for more than 2 months without precipitation, and at room temperature, it can be stored for more than 24 months without precipitation.

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PUM

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Abstract

The invention discloses a tebuconazole dispersible water suspending agent and a preparation method thereof. The tebuconazole dispersible water suspending agent consists of the following components inpercentage by weight: 10-50% of tebuconazole, 2-10% of a polyoxyethylene ether wetting agent, 2-8% of polymeric carboxylate dispersant, 0.5-6% of a viscosity regulator, 0.1-1% of a defoaming agent, and the balance of water.

Description

Technical field [0001] The invention relates to the technical field of pesticide preparations, in particular to a tebuconazole dispersible water suspension and a preparation method thereof. Background technique [0002] The chemical name of tebuconazole: (RS)-1-(4-chlorophenyl)-4,4-dimethyl-3-(1H-1,2,4triazol-1-ylmethyl)pentan -3-ol, the structural formula is as follows: [0003] [0004] Tebuconazole is widely used as a seed treatment agent and foliar spray all over the world. It has a broad bactericidal spectrum, not only high activity, but also long lasting effect. [0005] Aqueous suspending agent refers to a preparation that uniformly disperses the solid pesticide original drug in water with particles below 4 microns. It is non-flammable and explosive, has a small particle size, high biological activity, a large specific gravity, and a small packaging volume. It is safer than other pesticide formulations. Environmental protection has gradually become one of the mainstream deve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/653A01N25/04A01P3/00
CPCA01N25/04A01N43/653
Inventor 任天瑞朱红张博杨小东张雷翁雨佳
Owner SHANGHAI NORMAL UNIVERSITY
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