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Preparation method of carboxylated nanocrystalline cellulose imprinted polymer

A technology of nanocrystalline cellulose and imprinted polymers, applied in the fields of alkali metal compounds, chemical instruments and methods, alkali metal oxides/hydroxides, etc., which can solve the problems of difficult storage, slow mass transfer, and affinity of molecularly imprinted polymers low level problem

Inactive Publication Date: 2019-04-05
ZHEJIANG OCEAN UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0003] Traditional molecularly imprinted polymers have low affinity, slow mass transfer, complex production, high cost, difficult storage, and extremely low recognition ability for target objects

Method used

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Embodiment Construction

[0010] Below in conjunction with specific implementation example, the present invention is described in detail; A kind of magnetic Fe 3 o 4 @PEG modified carboxylated nanocrystalline cellulose imprinted polymer, characterized in that the carboxylated nanocrystalline cellulose and magnetic magnetic Fe 3 o 4 @PEG makes core-shell microspheres, uses template molecules, and prepares imprinted polymers of template molecules.

[0011] 2. A magnetic Fe 3 o 4 @PEG-modified carboxylated nanocrystalline cellulose imprinted polymer preparation method, the preparation method includes: 1.0 mmol of OFX as a template in 10 mL of dimethyl sulfoxide, 4.0 mmol of methacrylic acid is added to it, and the mixture is stirred for 30 min, Make the template fully self-assemble with the functional monomer. 1.0 gFe 3 o 4 @PEG-modified carboxylated nanocrystalline cellulose was added to 4 mL dimethyl sulfoxide, and it was sonicated for 5 min to dissolve it completely. Then, the above two solutio...

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Abstract

A preparation method of a carboxylated nanocrystalline cellulose imprinted polymer is characterized by including the steps of (1) placing 1.0mmol of OFX as a template into 10mL of dimethyl sulfoxide,adding 4.0mmol of methacrylic acid, and stirring the mixture for 30 minutes to fully self-assemble the template and functional monomers for standby use; (2) adding 1.0g of Fe3O4@GO-g-CNC into 4mL of dimethyl sulfoxide, and completely dissolving the Fe3O4@GO-g-CNC through 5 minutes of ultrasonication by an ultrasonic apparatus.

Description

Technical field: [0001] The invention relates to a preparation method of carboxylated nanocrystalline cellulose imprinted polymer, which belongs to the technical field of organic matter manufacturing. Background technique [0002] Molecular imprinting technology is a technique for preparing polymers with specific recognition properties for target molecules, and surface molecular imprinting is one of the research focuses in the field of molecular imprinting technology. Carboxylated nanocrystalline cellulose, a cationic polysaccharide with amino groups, can be used as a carrier for surface molecular imprinting due to its high specific surface area, chemical stability, and biocompatibility. Modified Magnetic Fe 3 o 4 Nanoparticles have better biocompatibility, magnetic properties and dispersibility, and have a narrow particle size distribution, which can quickly and effectively bond with biomolecules. Will Fe 3 o 4 @PEG is mounted on chitosan, and imprinted materials with ...

Claims

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Application Information

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IPC IPC(8): B01J20/26B01J20/28B01J20/30C08F120/06
CPCB01J20/268B01J20/28009C08F120/06
Inventor 欧阳小琨
Owner ZHEJIANG OCEAN UNIV
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