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A kind of dissolving method and application of zinc thiazole original drug

A technology of thiazole zinc and its original drug, which is applied in the field of pesticides, can solve the problems of limiting the bactericidal activity of thiazole zinc and affecting the use effect of thiazole zinc, and achieves the effects of low production cost, simple operation and low input cost

Active Publication Date: 2021-01-26
JIANGSU ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The solubility problem of thiazole zinc greatly limits the bactericidal activity of thiazole zinc, and thus affects the use effect of thiazole zinc in the control of plant bacterial diseases

Method used

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  • A kind of dissolving method and application of zinc thiazole original drug
  • A kind of dissolving method and application of zinc thiazole original drug
  • A kind of dissolving method and application of zinc thiazole original drug

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Embodiment 1 A kind of method for dissolving the original medicine of thiazole zinc and its agrochemical dosage form

[0032] Dissolve thiazole zinc in a glass bottle, the purity of thiazole zinc is >97.8%. According to the volume of the solvent: the mass of thiazole zinc = 1mL: 20mg ratio, weigh a certain mass of thiazole zinc into a glass bottle, and absorb dimethyl sulfoxide into the glass bottle, oscillate to dissolve thiazole zinc, and the oscillating speed is 200r / min . The dissolution comparison chart of zinc thiazole in 1-7 days figure 2 As shown, the dissolution can be obviously realized after shaking for 5 days, and the dissolution rate is >95%, and the thiazole zinc solution formed is as follows: figure 1 shown.

Embodiment 2

[0034] Such as image 3 Shown are three kinds of agrochemical formulation formulations prepared by the thiazole zinc solution prepared in embodiment 1:

[0035] 1.8% zinc thiazole emulsifiable concentrate: at room temperature, add 1.8% zinc thiazole, adjuvant agricultural milk (No. 602 + No. 500, 1:1) 7%, and solvent naphtha No. 200 to 100%.

[0036] 1% thiazole zinc microemulsion: at room temperature, thiazole zinc 1%, additive 3250 20%, water to 100%;

[0037] 1% thiazole zinc ULV: At room temperature, thiazole zinc 1%, additive 3360 (602+500+992) make up to 100%.

[0038] It shows that the thiazole zinc dissolved by the method of the present invention can prepare more dosage forms.

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Abstract

The invention discloses a dissolving method and application of a thiazole zinc original drug, which uses dimethyl sulfoxide (DMSO) as a main solvent and thiazole zinc as a solute, and vibrates and mixes for more than 5 days. The method is simple, has low production cost and is easy to realize industrialization. Inhibitory medium concentration EC of thiazole zinc original drug solution on rice bacterial blight 50 =10.98μg / mL, the EC of thiazole to rice bacterial leaf spot 50 Between 8.04μg / mL, it improves the antibacterial activity of thiazole zinc, and improves the therapeutic and preventive effects of thiazole zinc on rice bacterial blight and rice bacterial streak disease, and improves the activity of thiazole zinc to promote plant root growth .

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a dissolution method and application of a zinc thiazole active drug. Background technique [0002] Zinc thiazole is a new type of fungicide with the characteristics of safety and low toxicity. Zinc thiazole has a good control effect on most plant bacterial diseases and some plant fungal diseases, such as: cabbage soft rot, cabbage black spot, cabbage anthracnose, cabbage rust, cabbage powdery mildew, peanut bacterial wilt, Peanut leaf spot, rice bacterial blight, rice bacterial stripe, rice blast, cucumber downy mildew, tomato canker and tomato late blight, etc. At present, thiazole zinc has been patent registered in the prevention and control of rice bacterial blight, rice bacterial streak, rice blast and other rice diseases. [0003] The chemical name of thiazole zinc is 2-amino-5-mercapto-1,3,4-thiadiazole zinc, and the molecular formula is C 4 h 4 N 6 S 4...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/824A01P1/00A01P3/00A01P21/00
CPCA01N43/82
Inventor 陈贤刘凤权贾艺凡孙伟波朱润杰张焕军郭近
Owner JIANGSU ACAD OF AGRI SCI
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