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Uniconazole water dispersible granules and preparation method thereof

A technology of uniconazole and dispersant, applied in the field of water dispersible granules and preparation thereof, can solve the problems of small powder particles and easy drift, and achieve the effects of easy release and orientation, beneficial biological safety, and not easy to be harmed by phytotoxicity.

Active Publication Date: 2012-08-22
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the small particles, the powder is easy to drift, which brings many adverse effects to the operator and the surrounding environment during production and field use

Method used

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  • Uniconazole water dispersible granules and preparation method thereof
  • Uniconazole water dispersible granules and preparation method thereof
  • Uniconazole water dispersible granules and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1、01

[0026] The preparation of embodiment 1, 0.1% uniconazole water-dispersible granule

[0027] The former drug selects the 95% uniconazole former drug (hereinafter the same) produced by Jiangsu Qizhou Green Chemical Co., Ltd.

[0028] The selection and proportioning of the original drug and the auxiliary agent are: 0.105 parts by mass of the original drug of 95% uniconazole (0.1 parts by mass in pure form), the wetting agent is 2 parts by mass of dioctyl sodium sulfosuccinate, and the dispersant is lignin 5 parts by mass of calcium sulfonate, 15 parts by mass of sodium carboxymethylcellulose as a disintegrant, 2 parts by mass of polyethylene glycol as a binder, and 75.895 parts by mass of bentonite as a filler.

[0029] Calculate the amount of each component according to the above ratio, weigh, and mix evenly; the formula material is granulated after being pulverized by ultra-fine airflow; drying, screening, and testing. Product testing is carried out in accordance with the qual...

Embodiment 2、10

[0035] The preparation of embodiment 2, 10% uniconazole water-dispersible granule

[0036] The selection and proportioning of the original drug and auxiliary agents are: 10.6 parts by mass of the original drug of 95% uniconazole (10.0 parts by mass in pure form), the wetting agent is 3 parts by mass of pull-open powder BX, and the dispersant is acrylic acid copolymer salt (acrylic acid copolymer salt). and the copolymer of maleic anhydride, the average molecular weight is 15000~30000, Beijing Guangyuan Yinong Chemical Co., Ltd., trade name: GY-D06) 6 mass parts, disintegrant is ammonium sulfate 10 mass parts, binding agent is 3 parts by mass of gelatin, and 67.4 parts by mass of light calcium carbonate as the filler. The specific preparation process is the same as in Example 1.

[0037] The measuring method of each performance index of the uniconazole water-dispersible granule prepared in embodiment 2 is the same as embodiment 1. The specific measurement results are: unicona...

Embodiment 3、15

[0038] Embodiment 3, the preparation of 15% uniconazole water-dispersible granule

[0039] The selection and proportioning of the original drug and the auxiliary agent are: 15.8 parts by mass of the original drug of 95% uniconazole (15.0 parts by mass in pure form), the wetting agent is 4 parts by mass of sodium lauryl sulfate, and the dispersant is lignosulfonic acid 7 parts by mass of sodium, 10 parts by mass of sodium carboxymethyl starch as a disintegrant, 5 parts by mass of polyethylene glycol as a binder, and 58.2 parts by mass of diatomaceous earth as a filler. The specific preparation process is the same as in Example 1.

[0040] The determination method of each performance index of the uniconazole water-dispersible granule prepared in embodiment 3 is the same as embodiment 1. The specific measurement results are: uniconazole content 15.1%, moisture 1.5%, wettability qualified (5 seconds), dispersibility (disintegration) qualified (12 times), foaming property qualifie...

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Abstract

The invention discloses uniconazole water dispersible granules and a preparation method thereof. The uniconazole water dispersible granules comprises the following raw materials by mass parts: 0.1-90 of uniconazole, 1-10 of moistening agent, 1-10 of dispersant agent, 2-20 of disintergrants and 1-10 of binder. The preparation method is as follows: blending all the raw materials forming the uniconazole water dispersible granules, crushing by ultrafine air flow, pelleting, drying and sieving to obtain the uniconazole water dispersible granules. The uniconazole water dispersible granules overcome the defects of the powder, is safe to environment, people and livestock and other beneficial living beings, does not easily generate chemical disorder, is easily controlled in release and orientation, does not have dust, has fast speed of granule disintegration and is not polluted by packaging, has good storage stability and simple preparation technique and is suitable for industrialization production.

Description

technical field [0001] The invention relates to a water-dispersible granule of a plant growth regulator and a preparation method thereof, in particular to a water-dispersible granule of uniconazole and a preparation method thereof. Background technique [0002] Uniconazole is a new type of triazole plant growth regulator. It has been widely used in production. Its activity is 6-10 times higher than that of paclobutrazol, but its residual amount in soil is only 1 / 3 of that of paclobutrazol. 10. It has little impact on subsequent crops, no secondary control phenomenon, and has a good market prospect. English common name of the compound: uniconazole; CAS registration number: 83657-22-1; chemical name: (E-1-(p-chlorophenyl)-2-(1,2,4-triazol-1-yl)- 4,4-Dimethyl-1-penten-3-ol; formula C 15 h 18 ClN 3 O; the structural formula is shown in formula I; physical and chemical properties: the pure product of uniconazole is a white crystal, with a vapor pressure of 8.9mPa (20°C), a me...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/653A01N25/14A01P21/00
Inventor 段留生谭伟明朱晓峰周繁李召虎田晓莉张明才
Owner CHINA AGRI UNIV
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