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Illite/montmorillonite mixed-layer clay sterilization suspending agent

A smear clay and suspending agent technology, applied in biocides, disinfectants, animal repellents, etc., can solve the problems of poor storage stability, poor control effect, caking, etc., and achieve the effect of strong ion exchange capacity

Inactive Publication Date: 2012-10-24
上思县文德矿业科技咨询服务有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, most of the suspending agents on the market are organic suspending agents, such as emulsifiable concentrates, oily pesticides, etc., which will produce a large amount of pesticide residues, which will permanently pollute the plant body for a long time, and their residues are extremely harmful to operators and the environment. There is also the outstanding problem of poor storage stability. Most products will delaminate after being stored for a period of time, and the agglomeration is serious, the redispersibility is poor, and the suspension rate decreases, resulting in uneven application, poor control effect and phytotoxicity. In severe cases, it is difficult to Difficult to measure when poured from the bottle

Method used

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  • Illite/montmorillonite mixed-layer clay sterilization suspending agent
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  • Illite/montmorillonite mixed-layer clay sterilization suspending agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Raw materials (the following percentages refer to the weight percent of the total weight of raw materials):

[0020] Natural illite / montmorillonite clay (source: Shangsi County Basin, Guangxi), of which illite (scale structure) clay minerals 55% and montmorillonite (crystal structure) clay minerals 35%, montmorillonite clay minerals absorb blue 20ml / 100g soil, montmorillonite content 45%.

[0021] Inorganic bactericidal additive 10%: copper sulfate 7%, carboxymethyl cellulose 2% and sodium lauryl sulfate 1%.

[0022] Such as figure 1 As shown, it is prepared by dry process, and the clay ore of the Iraqi / Mongolian mixed layer is crushed, suspended and separated by water, and spray-dried to obtain a powder (the content of the particle size is less than 200nm is greater than 45%), and then mixed with copper sulfate and carboxymethyl fiber Sodium lauryl sulfate and sodium lauryl sulfate are mixed and ground to obtain the dry fay / blended layer clay fungicidal suspension pr...

Embodiment 2

[0025] Raw materials (the following percentages refer to the weight percent of the total weight of raw materials):

[0026] Synthetic illite / montmorillonite clay (obtained by drying and mixing the two), including illite (scale structure) clay mineral 45% and montmorillonite (non-crystalline structure) clay mineral 30%, montmorillonite clay mineral absorption Blue volume 21ml / 100g soil, montmorillonite content 48%.

[0027] Inorganic bactericidal additive 25%: copper sulfate 20%, carboxymethyl cellulose 3% and sodium lauryl sulfate 2%.

[0028] Such as figure 2 As shown, it is prepared by a wet process, and the slurry is obtained from the raw ore of the Iraqi / smectite mixed layer clay after crushing and water suspension separation (the content of the particle size is less than 200nm is greater than 45%), and then mixed with copper sulfate, carboxymethyl cellulose and twelve Alkyl sodium sulfate is wet-milled to obtain the product of wet fay / blended layer clay fungicidal susp...

Embodiment 3

[0031] Raw materials (the following percentages refer to the weight percent of the total weight of raw materials):

[0032] Synthetic illite / smectite clay (dry and mix the two), including 60% illite (scale structure) clay minerals and 25% montmorillonite (crystal structure) clay minerals, montmorillonite clay minerals absorb blue The volume is 19 ml / 100 grams of soil, and the content of montmorillonite is 43%.

[0033] Inorganic bactericidal additive 15%: copper sulfate 10%, carboxymethyl cellulose 2.5% and sodium lauryl sulfate 2.5%.

[0034] Such as figure 2 As shown, it is prepared by a wet process, and the slurry is obtained from the raw ore of the Iraqi / smectite mixed layer clay after crushing and water suspension separation (the content of the particle size is less than 200nm is greater than 45%), and then mixed with copper sulfate, carboxymethyl cellulose and twelve Alkyl sodium sulfate is wet-milled to obtain the product of wet fay / blended layer clay fungicidal susp...

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Abstract

The invention discloses an illite / montmorillonite mixed-layer clay sterilization suspending agent, which is prepared from the following raw materials in percentage by weight: 40-70 percent of illite clay mineral, 15-40 percent of montmorillonite clay mineral and 5-30 percent of inorganic sterilization additive. Since the raw materials are natural nanomaterials which have the performance of permanent suspension property and dispersibility, and copper sulfate, carboxymethyl cellulose and alkyl quaternary ammonium salt powder are added, the unique dispersibility and strong suspension property of the clay micro / nano level powder in water are kept, and the sterilization capacity is also achieved. The inorganic suspending agent has the characteristics of high efficiency, low toxicity, environmental friendliness and safety, the suspension rate reaches over 90 percent, the dispersibility and the suspension property of the pesticide can be kept for long time, the problem of super-standard pesticide caused by the conventional organic suspending agent is solved, and pollution to environment and serious injury to human bodies caused by pesticide residue in crop products can be effectively reduced.

Description

technical field [0001] The invention relates to a suspending agent, in particular to a bactericidal suspending agent of an Iraqi / smectite layered clay. Background technique [0002] At present, most of the suspending agents on the market are organic suspending agents, such as emulsifiable concentrates, oily pesticides, etc., which will produce a large amount of pesticide residues, which will permanently pollute the plant body for a long time, and their residues are extremely harmful to operators and the environment. There is also the outstanding problem of poor storage stability. Most products will delaminate after being stored for a period of time, and the agglomeration is serious, the redispersibility is poor, and the suspension rate decreases, resulting in uneven application, poor control effect and phytotoxicity. In severe cases, it is difficult to Difficult to measure when poured from the bottle. Therefore, it is imperative to focus on research and rapidly develop new ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/08A01N59/20A01P1/00
CPCY02A50/30
Inventor 胡天文罗建广黄闪李任德李丽
Owner 上思县文德矿业科技咨询服务有限公司
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