Preparation method of imprinted carbon microspheres

A technology of carbon microspheres and imprinting, which is applied in the field of preparation of imprinted carbon microspheres, and can solve problems such as difficulty in combining molecules to be identified with recognition sites

Active Publication Date: 2012-06-27
TAIYUAN UNIV OF TECH
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Problems solved by technology

[0003] The matrix of molecularly imprinted materials can be inorganic materials, such as silica gel, alumina, etc., or polymer materials, but the recognition sites of polymer microspheres are mostly inside the polymer microspheres. When recognizing larger molecules, the existence of diffusion resistance It will make it difficult for the molecule to be recognized to bind to the recognition site

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  • Preparation method of imprinted carbon microspheres
  • Preparation method of imprinted carbon microspheres
  • Preparation method of imprinted carbon microspheres

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Embodiment Construction

[0189] The present invention will be further described below in conjunction with accompanying drawing:

[0190] figure 1 As shown, the state diagram is prepared for imprinted carbon microspheres, and the position and connection relationship of each part must be correct.

[0191] The oxidation, modification, and imprinting of imprinted carbon microspheres in the preparation process were all completed in a three-necked flask, and the graft polymerization was carried out under ultraviolet light irradiation, all under the protection of nitrogen, under the state of water circulation condensation, and under electric heating and stirring. After the sequence is completed, each process must strictly control the quantity and value, and operate in sequence.

[0192] Quantities of chemicals used in preparation are determined in pre-set ranges in grams, milliliters, centimeters 3 As a unit of measurement, when it is produced industrially, it is expressed in kilograms, liters, or meters ...

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Abstract

The invention relates to a preparation method of imprinted carbon microspheres. The imprinted carbon microspheres are prepared by a three-neck flask, an ultrasonic dispersion instrument, a water bath tub, an electric heating stirring utensil and an ultraviolet light mercury lamp, and the preparation method comprises the following steps of: firstly performing oxidation treatment on the carbon microspheres, then performing surface modification and further grafting a polymer on the surfaces of the carbon microspheres to finally prepare the imprinted carbon microspheres, wherein irregular cavity imprints are formed on the surfaces of the carbon microspheres. The preparation method has the advantages of advanced and reasonable process, short process flow, low environmental pollution, good product morphology, high purity which can be up to 99% and high product yield which can be up to 93%, the imprinted carbon microspheres are black and circular particles, the diameter of the particles is 100-200nm, and the imprinted carbon microspheres can be matched with a variety of chemical substances, so that the preparation method is a very ideal method for preparing the imprinted carbon microspheres, and products can be applied to a variety of industrial fields, such as pharmacy, fine chemicals and the like.

Description

technical field [0001] The invention relates to a method for preparing imprinted carbon microspheres, which belongs to the technical field of organic carbon material-carbon microsphere surface functional modification and application. Background technique [0002] Molecularly imprinted polymer is a new type of separation material developed in recent years. It is composed of template molecules to be separated and polymerizable functional monomers to form host-guest complexes through ionic interactions, hydrogen bonds, hydrophobic interactions, and supramolecular interactions. It is prepared by adding a cross-linking agent to polymerize; after the template molecule is removed, a cavity that matches the spatial structure of the template molecule is left in the polymer, and the functional group in the cavity has a specific binding ability to the template molecule; due to molecular imprinting Polymers have specific recognition ability and specific selection performance, and have s...

Claims

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Application Information

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IPC IPC(8): C08J9/26C08F285/00C08F292/00C08F220/06C08F222/14C08F2/44
Inventor 杨永珍刘旭光刘伟峰许并社
Owner TAIYUAN UNIV OF TECH
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