Microcapsule graphene composite material controlled-release pesticide-fertilizer granules and preparation method

A composite material, graphene technology, applied in fertilization devices, fertilizer mixtures, applications, etc., can solve the problems of less than one fertilization, slow release, etc., to extend the application cycle, improve biological activity, and solve the problem of fertilizer use and pests and diseases Effect

Active Publication Date: 2015-08-12
广西金丝鸟农化有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is no lack of slow / controlled release medicinal fertilizers on the market, but some of them achieve slow release of fertilizers, and some of them achieve slow release of medicines, but it is difficult to achieve slow release of fertilizers and medicines at the same time, which cannot achieve one-time fertilization. The purpose of not fertilizing and using medicine for one season

Method used

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  • Microcapsule graphene composite material controlled-release pesticide-fertilizer granules and preparation method
  • Microcapsule graphene composite material controlled-release pesticide-fertilizer granules and preparation method
  • Microcapsule graphene composite material controlled-release pesticide-fertilizer granules and preparation method

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Experimental program
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preparation example Construction

[0033] The preparation method of the above-mentioned parent powder sample is as follows: after clothianidin and graphite powder are fully mixed, they are pulverized by air flow to obtain medicinal powder A; medicinal powder A, polymer compound liquid medium and grinding balls are placed in a ball mill, and mechanically ground. A mixed suspension is obtained; the above mixed suspension is coagulated to obtain a mixture of the microcapsule graphene composite material and the active ingredient of the pesticide, and the mother powder is obtained after drying.

[0034] The preparation method of the above-mentioned control sample is as follows: after fully mixing clothianidin with graphene oxide or chitosan, they are crushed by air flow.

[0035] This experiment also set clothianidin as the control 66#.

[0036] 2. Test methods and results

[0037] Take the above 60 parent powder samples and 6 control samples with the same amount of clothianidin active ingredient, mix them with the...

preparation Embodiment 1

[0047] (1) Take 10 kg of monosultap, 1 kg of pymetrozine, 1 kg of azoxystrobin, and 20 kg of graphite powder, mix them thoroughly, and pulverize them by air flow to obtain powder A.

[0048](2) Place medicated powder A, chitosan liquid medium, and grinding balls in a ball mill, and perform mechanical grinding to obtain a mixed suspension; the above-mentioned mixed suspension is passed through the coagulation method to obtain microcapsule graphene composite materials and pesticide active ingredients The mixture, after drying, the mother powder is obtained;

[0049] (3) Preparation of medicinal fertilizer granules (take the production of 1000Kg as an example): take urea 300Kg, ammonium sulfate 100Kg, monoammonium 150Kg, potassium chloride 200Kg, borax 10Kg, sugarcane filter mud 100kg, potassium fulvic acid 2.5kg, the above mother Powder 20Kg, make up with kaolin, add in the drum granulator to granulate, dry, and finally the toluene solution of epoxy resin is sprayed on the above...

preparation Embodiment 3

[0055] (1) Take 1kg of fipronil, 0.75kg of nitenpyram, 3Kg of tricyclazole, 0.6Kg of thifluxamide, and 20kg of graphite powder, mix them well, and then pulverize them by air flow to obtain powder A.

[0056] (2) medicine powder A, methyl cellulose liquid medium, and grinding ball are placed in ball mill, carry out mechanical grinding, obtain mixed suspension; The above-mentioned mixed suspension is passed through the method of agglomeration, obtains microcapsule graphene composite material and pesticide effective The mixture of ingredients, after drying, the mother powder is obtained;

[0057] (3) Preparation of medicinal fertilizer granules (taking the production of 1000Kg as an example): get urea 300Kg, superphosphate 200Kg, potassium chloride 200Kg, calcium magnesium phosphate fertilizer 200Kg, borax 10Kg, sugarcane filter mud 100kg, potassium fulvic acid 2.5kg, 8kg of osthole, 20Kg of the above-mentioned parent powder, supplemented by attapulgite, add to the drum granulato...

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Abstract

The present invention relates to microcapsule graphene composite material controlled-release pesticide-fertilizer granules, which comprise mother powder, an inorganic nutrient, an organic matter, an anti-hardening agent and a filler, wherein the mother powder comprises a microcapsule graphene composite material and a pesticide active ingredient, the microcapsule graphene composite material is formed by compounding a polymer compound and graphite powder, and the polymer compound is at least one selected from gelatin, gum arabic, starch, chitosan, alginic acid, methyl cellulose, a carboxymethyl cellulose salt, poly lactic acid, polyamide and polyvinyl alcohol. The preparation method comprises: completely mixing pesticide and graphite powder, crushing, placing the obtained mixture and a polymer compound into a ball mill to grind, carrying out agglomeration, precipitation or polymerization to obtain a mixture of the microcapsule graphene composite material and the pesticide, drying to obtain mother powder, carrying out granulation on the mother powder, an inorganic nutrient, an organic matter and a filler, and spraying an anti-hardening agent on the particles so as to obtain the finished product. According to the present invention, the release is stable, and the problems of fertilizer applying and plant diseases and insect pests of the whole season can be solved with the applying of the granules one time.

Description

technical field [0001] The invention relates to the field of fertilizers, in particular to the field of organic and inorganic medicinal fertilizers, in particular to a controlled-release medicinal fertilizer granule containing active ingredients of pesticides and microencapsulated graphene composite materials and a preparation method thereof. Background technique [0002] In layman's terms, medicine fertilizer is the "combination of medicine and fertilizer into one", that is, "integration of medicine and fertilizer". Medicinal fertilizer is a functional fertilizer that has one or more functions of preventing and controlling crop diseases and insect pests or regulating crop growth, and can provide nutrition for crops or at the same time provide nutrition and improve the utilization rate of fertilizers and pesticides. It has balanced fertilization and complete nutrition; broad-spectrum high-efficiency, one-time fix; pre-control and post-promoting, enhance stress resistance; co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G3/02C05G3/60
Inventor 王鲁朱华龙王立功韦荣相安峰明
Owner 广西金丝鸟农化有限公司
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