Cyclodextrin (CD) polymer/montmorillonite composite material and preparation method thereof

A technology of cyclodextrin polymers and composite materials, which is applied in chemical instruments and methods, other chemical processes, adsorption water/sewage treatment, etc., can solve the problem of no chemical bond combination, and achieve easy control of CD amount, high-efficiency adsorption, and method simple effect
CN103433003AActive Publication Date: 2013-12-11JIANGNAN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
JIANGNAN UNIV
Publication Date
2013-12-11

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Abstract

The invention relates to a cyclodextrin (CD) polymer / montmorillonite composite material and a preparation method thereof and belongs to the technical field of composite material preparation. According to the preparation method, a pre-synthesized polymer (P(CD-MA)) of maleic anhydride (MA) and CD is introduced into dopamine (DA) through amidation reaction, and then, the montmorillonite / cyclodextrin composite material is prepared through condensation between DA and hydroxyl groups of montmorillonite. The amount of introduced CD of the composite material can be controlled through changing the molecular weight of P(CD-MA), the content of DA and the content of montmorillonite. The method has the advantages that raw materials are easily obtained, the cost is low, the method is simple, and the amount of the introduced CD is large and is easy to control. According to the cyclodextrin polymer / montmorillonite composite material, metal ions and aromatic organic compounds in sewage can be simultaneously removed by using the metal ion exchange adsorbability of montmorillonite and the organic matter (especially aromatic organic matters) inclusion effect of cyclodextrin.
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Description

technical field

[0001] The invention relates to a cyclodextrin polymer / montmorillonite mineral composite material and a preparation method thereof, belonging to the technical field of composite material preparation. Background technique

[0002] Cyclodextrin (CD) is the product of cyclodextrin glycosyltransferase acting on starch. It is a cyclic oligosaccharide composed of multiple glucose molecules linked by 1,4-glycosidic bonds. It has a slightly conical hollow cylindrical three-dimensional ring structure. In its hollow structure, the outer upper end (larger opening end) is formed by C 2 and C 3 The secondary hydroxyl group is formed, and the lower end (smaller open end) is composed of C 6 It is composed of primary hydroxyl groups and has hydrophilicity; while the hydrophobic region is formed in the cavity due to the shielding effect of the C-H bond, and its hydrophobic cavity can combine with more organic guest molecules of matching size to form host-guest inclusion com...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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