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Anti-photolysis suspending agent and preparation method thereof

A suspending agent and photolysis technology, applied in botany equipment and methods, fungicides, biocides, etc., can solve the problems of unfavorable industrial mass production, high energy consumption, high cost, and high cost, and achieve excellent photostability, light Small degradation rate, good antibacterial and bactericidal effect

Pending Publication Date: 2022-07-05
SHANGHAI SHENGNONG PESTICIDE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, high-cost materials such as porous nano-zeolite, nano-attapulgite, and nano-silicon dioxide need to be used, and complex processes such as high-temperature carbonization at 400-800 ° C are required during the preparation process, which is not suitable for conventional suspension formulations. , and the energy consumption and cost in the production process are very high, which is not conducive to industrial mass production

Method used

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  • Anti-photolysis suspending agent and preparation method thereof
  • Anti-photolysis suspending agent and preparation method thereof
  • Anti-photolysis suspending agent and preparation method thereof

Examples

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Effect test

Embodiment 1

[0053] This embodiment provides a photolysis-resistant 20% boscalid-fludioxonil suspending agent, and its preparation raw materials include the following components by mass percentage:

[0054]

[0055] Prepare a certain concentration of xanthan gum aqueous solution, add enough ethylene glycol and soft water according to the formula ratio, add xanthan gum while cutting, and cut for about 30min to obtain xanthan gum aqueous solution; put in the specified amount of soft water, alkyl group in sequence Naphthalene sulfonate, polyoxyethylene polyoxypropylene block copolymer, silicone defoamer, sheared for 3 min. After shearing, add the original drug (boscalid, fludioxonil), Al 2 O 3 , benzoic acid and baicalein, continue to shear for 15min when there is no agglomeration and floating material, and sand grinding after the shearing is completed. After sanding for a certain period of time, take a sample to detect the particle size, and stop sanding after the particle size is quali...

Embodiment 2

[0058] The present embodiment provides a photolysis-resistant 30% boscalid·fludioxonil suspension agent, and the preparation raw materials include the following components by mass percentage:

[0059]

[0060] Prepare a certain concentration of xanthan gum aqueous solution, add a sufficient amount of ethylene glycol, soft water and GXL according to the formula ratio, add xanthan gum while cutting, and cut for about 30min to obtain the xanthan gum aqueous solution and put it into the specified amount of soft water, ethyl acetate Diamine polyoxyethylene polyoxypropylene ether, alkylphenol polyoxyethylene polyoxypropylene ether, fatty acid polyoxyethylene monoester, silicone defoamer, shear for 3 min. After shearing, add the original drug (boscalid, fludioxonil), SiO 2 And curcumin, continue to cut for 15min when there is no agglomeration and floating material, sand grinding after cutting. After sanding for a certain period of time, take a sample to detect the particle size, ...

Embodiment 3

[0063] The present embodiment provides a photolysis-resistant 36% boscalid-fludioxonil suspending agent, and its preparation raw materials include the following components by mass percentage:

[0064]

[0065] Prepare a certain concentration of xanthan gum aqueous solution, add enough soft water and GXL according to the formula ratio, add xanthan gum while cutting, and cut for about 30min to obtain xanthan gum aqueous solution. The specified amount of soft water, ethylenediamine polyoxyethylene polyoxypropylene ether, fatty alcohol polyoxyethylene ether sodium sulfate, and silicone defoamer were added in sequence, and sheared for 3 minutes. After shearing, put in the original drug (boscalid, fludioxonil), urea, kaolin and gall pigment, continue shearing for 15min when there is no agglomeration and floating material, and sand grinding after shearing is completed. After sanding for a certain period of time, take a sample to detect the particle size, and stop sanding after the...

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Abstract

The invention relates to the technical field of anti-photolysis agricultural bactericides, relates to the technical field of A01P3 / 00IPC, and in particular relates to an anti-photolysis suspending agent and a preparation method thereof. The bactericidal composition is prepared from the following raw materials in percentage by mass: a) 1-99 wt% of active ingredients, wherein the active ingredients comprise boscalid and fludioxonil; b) 0-5 wt% of a dispersant; c) 0-4 wt% of a wetting agent; d) 0-7wt% of a functional auxiliary agent, except 0, the functional auxiliary agent is an anti-photolysis auxiliary agent; e) 0-10 wt% of other auxiliary agents; f) 0 to 0.8 wt% of a defoaming agent; and g) the balance of soft water. The boscalid-fludioxonil photolysis-resistant suspending agent provided by the invention has excellent light stability and small light degradation rate, can keep long-term stability during use, and can more sufficiently permeate into crops and contact with an inhibited object, thereby achieving better bacteriostatic and bactericidal effects. Moreover, after the boscalid and fludioxonil photolysis-resistant suspending agent is applied for 7 days, 10 days and 15 days, the control effect of the suspending agent obtained by the invention is superior to that of a commercially available product.

Description

technical field [0001] The invention relates to the technical field of anti-photolysis agricultural fungicides, to the technical field of A01P3 / 00IPC, and in particular to a photolysis-resistant suspending agent and a preparation method thereof. Background technique [0002] Fludioxonil is a phenylpyrrole fungicide, which is extracted and isolated from the antibiotic pyrrole nitro. The main metabolite of fludioxonil is formed under light conditions, and photodegradation is the main factor affecting the degradation pathway and degradation rate of fludioxonil, which has an important impact on the efficacy and environmental risk of fludioxonil. Photodegradation of pesticides refers to the chemical reaction of chemical structure changes of pesticides exposed to the environment under the action of light. Photolysis will have a significant impact on the efficacy, toxicity and residues of pesticides. The photolysis of pesticides includes two types: direct photolysis and indirect p...

Claims

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Application Information

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IPC IPC(8): A01N43/40A01N43/36A01N25/32A01N25/04A01P3/00
CPCA01N43/40A01N43/36A01N25/32A01N25/04
Inventor 苑志军于邦威王大中徐海燕毕强张芝平于静静
Owner SHANGHAI SHENGNONG PESTICIDE
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