Aquacide soluble effervescent tablet and preparation method thereof

A technology of effervescent tablets and diquat, applied in botany equipment and methods, herbicides, algicides, biocides, etc., can solve the problems of difficult determination of component ratios, easy denaturation and deterioration, and storage environment Higher requirements and other issues, to achieve the effect of simple and reliable production process, convenient transportation and storage, and convenient use

Inactive Publication Date: 2018-06-29
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the composition can solve the problem that the herbicide spectrum is too narrow when the herbicide is used in single or dual use, expand the herbicide spectrum, and have advantages such as synergistic effect, there are still obvious deficiencies: one is when the three component pesti

Method used

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  • Aquacide soluble effervescent tablet and preparation method thereof
  • Aquacide soluble effervescent tablet and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Example 10. Taking the preparation of the diquat soluble effervescent tablet with a diquat content of 1% as described in Example 1 as an example, the specific steps are as follows:

[0025] Step 1, prepare the masterbatch of diquat: according to the chemical composition of a kind of diquat soluble effervescent tablet of the present invention, according to the component measurement of mass percentage, first accurately weigh 1 kg of diquat, the acid source is horse Lactic acid 10kg and citric acid 10kg, surfactant are sodium dibutyl naphthalene sulfonate 8kg, inert filler are sucrose 10kg and glucose 28.5kg, it is mixed homogeneously in mixer, obtains compound, then described compound Grinding to a powder with a particle size of 150 mesh or more, then collecting the powder in another mixer, adding 5 kg of an aqueous solution in which the binder is 10% water-soluble starch for kneading, and extruding to obtain wet granules, and then dried to obtain granules with a moistur...

Embodiment 11

[0028] Example 11. Taking the preparation of the diquat soluble effervescent tablet with a 20% diquat content as described in Example 6 as an example, the specific steps are as follows:

[0029] Step 1, prepare the masterbatch of diquat: according to the chemical composition of a kind of diquat soluble effervescent tablet of the present invention, according to the component measurement of mass percentage, first accurately weigh 20 kg of the original drug of diquat, acid The source is 20kg of sulfamic acid, the surfactant is 1kg of naphthalenesulfonic acid condensate sodium salt, and the inert filler is 25.5kg of glucose, which are uniformly mixed in a mixer to obtain a mixture, and then the mixture is pulverized to a particle size The powder is more than 150 mesh, and then the powder is collected in another mixer, and 5 kg of an aqueous solution in which the binder is 10% sodium carboxymethyl starch is added for kneading, and wet granules are obtained by extrusion granulation ...

Embodiment 12

[0032] Example 12. Taking the preparation of the diquat soluble effervescent tablet with a diquat content of 40% as described in Example 9 as an example, the specific steps are as follows:

[0033] Step 1, prepare the masterbatch of diquat: according to the chemical composition of a kind of diquat soluble effervescent tablet of the present invention, according to the component measurement of mass percentage, first accurately weigh 40 kg of the original drug of diquat, acid The source is nicotinic acid 6kg and sorbic acid 6kg, surfactant is PO-EO block polyether 1kg, inert filler is glucose 12kg and ammonium sulfate 16kg, it is mixed uniformly in mixer, obtains mixture, then described The mixture is crushed to a powder with a particle size of more than 150 meshes, and then the powder is collected in another mixer, and 5 kg of an aqueous solution of 10% sodium carboxymethyl starch is added as a binder for kneading. Press and granulate to obtain wet granules, then dry to obtain ...

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Abstract

The invention relates to an aquacide soluble effervescent tablet and a preparation method thereof. The aquacide soluble effervescent tablet is prepared from the following ingredients in percentage bymass: 1 to 40 percent of aquacide, 10 to 30 percent of acid sources, 5 to 30 percent of gas generating sources, 1 to 8 percent of surfactants, 0.5 to 3 percent of bonding agents, 1 to 5 percent of flow aids and the balance of filling materials. The preparation method of the aquacide soluble effervescent tablet comprises the following steps of 1, preparing aquacide master batch; 2, tableting the aquacide soluble effervescent tablet. The aquacide soluble effervescent tablet provided by the invention belongs to novel environment-friendly pesticide; the blank of a herbicide product in the field isfilled; the production process is simple, convenient and reliable; the use is convenient; the aquacide soluble effervescent tablet can realize automatic disintegration and diffusion through being directly thrown in a paddy field; the aquacide soluble effervescent tablet can also be sprayed onto crop targets after the disintegration and diffusion through being put into a sprayer.

Description

technical field [0001] The invention relates to a herbicide used in farmland, in particular to a diquat soluble effervescent tablet and a preparation method thereof. Background technique [0002] The basic principle of the pesticide effervescent tablet is that the tablet contains an acidic substance (acid source) and a gas-generating substance (gas-generating source, generally an alkaline salt containing carbonate, such as ammonium bicarbonate, sodium carbonate, etc.). After the tablet meets water, the acid source and the gas generating source undergo a neutralization reaction, releasing carbon dioxide, thereby achieving the effect of foaming and boiling, and rapid disintegration. The pesticide effervescent tablet can be directly sprinkled in the paddy field to disintegrate and spread by itself. , It can also be put into the sprayer to disintegrate and disperse and then sprayed on the crop target. [0003] Diquat is generally used as a conductive contact-killing biogenic he...

Claims

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Application Information

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IPC IPC(8): A01N25/34A01N43/90A01P13/00
CPCA01N25/34A01N43/90
Inventor 孙伯旺孙晨王明亮周钰明朱岭军蒋叶豪李瑶嘉高志国
Owner SOUTHEAST UNIV
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