a cofe 2 o 4 Preparation method of nanoparticles

A nanoparticle, No. 1 technology, applied in the field of preparation of CoFe2O4 nanoparticles, can solve the problems affecting the preparation efficiency of carboxylated cobalt ferrite magnetic nanoparticles, poor water dispersion effect, low combustion furnace efficiency, etc., so as to improve combustion efficiency and Combustion quality, high reliability, and the effect of reducing outflow

Active Publication Date: 2021-05-28
东营睿港投资服务有限责任公司
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Problems solved by technology

The reported or disclosed methods have disadvantages such as poor water dispersion effect or cumbersome steps and high functionalization cost. The efficiency of the combustion furnace in the preparation process is not high, which seriously affects the preparation efficiency of carboxylated cobalt ferrite magnetic nanoparticles.

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  • a cofe <sub>2</sub> o <sub>4</sub> Preparation method of nanoparticles
  • a cofe <sub>2</sub> o <sub>4</sub> Preparation method of nanoparticles
  • a cofe <sub>2</sub> o <sub>4</sub> Preparation method of nanoparticles

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Embodiment Construction

[0024] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0025] Such as Figure 1 to Figure 5 Shown, a kind of CoFe described in the present invention 2 o 4 A preparation method for nanoparticles, the preparation method comprising the steps of:

[0026] S1: Cobalt sulfate aqueous solution, ferrous salt aqueous solution and oxalate aqueous solution of a certain concentration are mixed in a reactor and then left to age at a temperature of 30-60°C. After aging for 4-6 hours, filter to obtain a filter cake;

[0027] S2: The iron-cobalt oxalate precursor is prepared by dehydrating and drying the filter cake of S1, and the iron-cobalt oxalate precursor is sent into a combustion furnace, and calcined for 3-5 hours in an air atmosphere at 400-500°C. cobalt ferrite;

[0028] S3: hydrothermally carbonize the ...

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Abstract

The invention belongs to the technical field of inorganic materials, specifically a CoFe 2 o 4 A method for preparing nanoparticles. The combustion furnace in the preparation method includes a furnace body, a material box, a support plate, an upper slide, a lower slide, and a drive module; a No. 1 rectangular chute is set eccentrically on the upper slide; Rectangular chute; No. 1 cylindrical protrusion is set above one end of the driving plate, and the No. 1 cylindrical protrusion slides in the No. 1 rectangular slot. Sliding in a rectangular groove; the present invention drives the upper slide plate and the lower slide plate to continuously slide relative to each other by setting a drive shaft, so that the left and right sides of the support plate are continuously sprayed upward with combustion aid, so the combustion efficiency is high, and the on-off control of the whole device is passed The mechanical structure is realized, so the reliability is high, thereby ensuring the combustion quality of the device, and further improving the preparation efficiency of the carboxylated cobalt ferrite magnetic nanoparticles.

Description

technical field [0001] The invention belongs to the technical field of inorganic materials, specifically a CoFe 2 o 4 Methods for the preparation of nanoparticles. Background technique [0002] Magnetic nanoparticles have good biocompatibility and special magnetism, and have shown great promise in the fields of nuclear magnetic resonance imaging, targeted drugs, enzyme immobilization, immunoassay, tissue repair and cell separation, etc. potential application prospects. However, due to the high specific surface area, magnetic nanoparticles have a strong tendency to aggregate, have poor water solubility and are easy to agglomerate without surface treatment, and cannot meet the application requirements in the fields of biomedicine and water treatment. Therefore, special modifications must be made on the surface of magnetic nanoparticles to improve their water solubility, dispersion stability and biocompatibility; in addition, the modified magnetic nanoparticles can be introd...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01F1/36C01G51/00B82Y40/00B82Y30/00
CPCB82Y30/00B82Y40/00C01G51/006C01P2004/80H01F1/01
Inventor 孙亚娟高娟都一鸣刘世球
Owner 东营睿港投资服务有限责任公司
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