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Micro-capsule suspension agent type triazole bactericide as well as preparation method and application thereof

A technology of microcapsule suspensions and triazoles, which is applied in the field of pesticide preparations, can solve the problems of poor stability, large dosage, and poor drug efficacy, and achieve the effects of good pourability, reduced side effects, and significant drug efficacy

Inactive Publication Date: 2017-05-10
ANHUI SIDA PESTICIDE CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of the lack of effective therapeutic agents for wheat head blight and the problems of poor stability, poor drug efficacy and large dosage of the compound of triazole fungicides and prochloraz, the present invention provides a microcapsule suspension formulation Triazole fungicides and their preparation methods and applications, the present invention carries out microencapsulation of prochloraz and then compounded with triazole fungicides into a microcapsule suspension (CS), which has an excellent control effect on wheat head blight , and the quality is stable and the dosage is small

Method used

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  • Micro-capsule suspension agent type triazole bactericide as well as preparation method and application thereof
  • Micro-capsule suspension agent type triazole bactericide as well as preparation method and application thereof
  • Micro-capsule suspension agent type triazole bactericide as well as preparation method and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0033] A microcapsule suspension type triazole fungicide, its composition and the mass percent of each component are: prochloraz 13.3%, tebuconazole 26.7%, alkylphenol polyoxyethylene ether 4% (emulsifier), Sodium methylene bis-naphthalene sulfonate 4% (dispersant), xanthan gum 0.3% (viscosity modifier), bentonite 3% (anti-caking agent), No. 100 solvent oil 10% (solvent oil), poly(formazol Vinyl ether / maleic acid) copolymer 5% (wetting agent), ethylparaben 0.5% (preservative), polymethylene polyisocyanate phenyl ester (CAS number: 9016-87- 9) 3.5% (capsule material), triethylenetetramine 1.5% (capsule material), and deionized water to make up 100%.

[0034] The preparation method of above-mentioned microcapsule suspension type triazole bactericide is:

[0035] The first step is to mix the polymethylene polyphenylisocyanate capsule skin material with prochloraz and solvent oil evenly in proportion, and set aside;

[0036] In the second step, the emulsifier, 40% dispersant and...

Embodiment 2

[0052] A microcapsule suspension type triazole fungicide, its composition and the mass percent of each component are: prochloraz 10%, epoxiconazole 25%, ethylene oxide propylene oxide block copolyether 3% ( Emulsifier), polycarboxylate and pyrrolidone mixture (mixed at 1:1) 5% (dispersant), carboxymethyl cellulose 0.8% (viscosity modifier), white carbon black 2% (anti-caking agent) , No. 150 solvent oil 8% (solvent oil), polydimethylsiloxane nonionic surfactant 4% (wetting agent), Kasone 0.1% (preservative), polymethylene polyisocyanate benzene Base ester 4% (capsule material), 1.6 hexamethylenediamine 1.6% (capsule material), deionized water to make up 100%.

[0053] The preparation method of above-mentioned microcapsule suspension type triazole bactericide is:

[0054] In the first step, mix polymethylene polyphenylisocyanate, prochloraz and solvent oil evenly in proportion, and set aside;

[0055] In the second step, the emulsifier, 50% dispersant and 55% water are mixed ...

Embodiment 3

[0063] A microcapsule suspension type triazole fungicide, its composition and the mass percent of each component are: prochloraz 30%, epoxiconazole 15%, ethylene oxide propylene oxide block copolyether 3.5% ( emulsifier), lignosulfonate 3% (dispersant), chitosan 1.3% (viscosity modifier), white carbon black 2.8% (anti-caking agent), No. 200 solvent oil 5% (solvent oil), Polydimethylsiloxane nonionic surfactant 3% (wetting agent), benzene sodium 1.5% (preservative), polymethylene polyisocyanate phenyl ester 5% (capsule material), 1.2- Hexamethylenediamine 2% (capsule material), deionized water to make up 100%.

[0064] The preparation method of above-mentioned microcapsule suspension type triazole bactericide is:

[0065] In the first step, mix polymethylene polyphenylisocyanate, prochloraz and solvent oil evenly in proportion, and set aside;

[0066] In the second step, the emulsifier, 45% dispersant and 60% water are mixed evenly in proportion, and set aside;

[0067] In t...

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Abstract

The invention discloses a micro-capsule suspension agent type triazole bactericide as well as a preparation method and application thereof, and belongs to the technical field of pesticide preparations. The triazole bactericide disclosed by the invention is prepared from the following components in percentage by mass: 5-40% of prochloraz, 5-40% of triazoles, 3-10% of an emulsifying agent, 0-10% of solvent naphtha, 1-5% of a wetting agent, 1-5% of a dispersing agent, 0-2% of a viscosity modifier, 0-4% of an anticaking agent, 0-2% of an antiseptic, 2-10% of capsule skin material, and the balance of water. According to the triazole bactericide disclosed by the invention, the prochloraz and tebuconazole are used as main components, and various functional addition agents are added as auxiliaries to prepare the micro-capsule suspension agent used for controlling wheat scab. The bactericide disclosed by the invention has the advantages of being high in suspension rate, convenient to dump, small in dosage, and convenient to use, and has high dispersion stability, low-temperature stability and hot-storage stability.

Description

technical field [0001] The invention belongs to the technical field of pesticide preparations, and more specifically relates to a microcapsule suspension type triazole fungicide and its preparation method and application. Background technique [0002] Wheat head blight, also known as wheat ear dry, rotten wheat head, red wheat head, is one of the main diseases of wheat. Wheat head blight occurs widely in the world, mainly in humid and semi-humid regions, especially in temperate regions with humid and rainy climates. It can be damaged from seedlings to heading, mainly causing seedling rot, stem base rot, stalk rot and ear rot, among which the most serious damage is ear rot. For the chemical control of wheat head blight, there are few medicaments to choose from, among which triazoles (such as tebuconazole) are one of the main used medicaments, but after long-term and large-scale use, it is easy to cause damage to the head blight bacteria such as tebuconazole. Triazole fungic...

Claims

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Application Information

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IPC IPC(8): A01N47/38A01N25/28A01N47/24A01N43/653A01N25/04A01P3/00
CPCA01N47/38A01N25/04A01N25/28A01N43/653A01N47/24A01N2300/00
Inventor 徐年凤程孝春柳庆先孙莉沈敏熊建明朱宏庆
Owner ANHUI SIDA PESTICIDE CHEM
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