纳米壳聚糖复合材料的制备与性能研究

董丽丹; 魏长平; 李中田; 汪凤明

doi:10.3788/CO.20181105.0773

Volume 11 Issue 5

Oct. 2018

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Article Contents

Chinese Optics > 2018 > 11(5): 773-778.

DONG Li-dan, WEI Chang-ping, LI Zhong-tian, WANG Feng-ming. Preparation and properties of nano-chitosan composites[J]. Chinese Optics, 2018, 11(5): 773-778. doi: 10.3788/CO.20181105.0773

Citation:

DONG Li-dan, WEI Chang-ping, LI Zhong-tian, WANG Feng-ming. Preparation and properties of nano-chitosan composites[J]. Chinese Optics, 2018, 11(5): 773-778. doi: 10.3788/CO.20181105.0773

DONG Li-dan, WEI Chang-ping, LI Zhong-tian, WANG Feng-ming. Preparation and properties of nano-chitosan composites[J]. Chinese Optics, 2018, 11(5): 773-778. doi: 10.3788/CO.20181105.0773

Citation:

DONG Li-dan, WEI Chang-ping, LI Zhong-tian, WANG Feng-ming. Preparation and properties of nano-chitosan composites[J]. Chinese Optics, 2018, 11(5): 773-778. doi: 10.3788/CO.20181105.0773

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Preparation and properties of nano-chitosan composites

doi: 10.3788/CO.20181105.0773

1.
School of Materials Science and Engineering, Changchun University of Science and Tech., Changchun 130022, China
2.
School of drug and food, Changchun Medical College, Changchun 130031, China
3.
China Water Northeastern Investigation, Design and Research Co., Ltd, Changchun 130061, China

Funds:

China Association for Science and Technology "Overseas Intelligence Service Action Plan" 07064

The Education Department of Jilin Provincial "The 12th Five-year Scientific and Technological Research Project" 【2013】36

More Information

Corresponding author: WEI Chang-ping, E-mail:changpingwei@hotmail.com
Received Date: 09 Apr 2018
Rev Recd Date: 15 May 2018
Publish Date: 01 Oct 2018

Abstract

Abstract

In order to improve the water soluble and the hemostatic performance of chitosan (CS), chitosan is nano-sized and an antibacterial Ag⁺ and coagulation-assisted Ca²⁺ are introduced to prepare a nano-chitosan metal ion composite hemostatic material. Firstly, nano-chitosan (nmCS) is prepared by ion exchange method, and AgNO₃ and saturated CaCl₂ solution are added respectively to obtain nmCS-Ag, nmCS-Ca and nmCS-Ag-Ca composites. Then, the structure of the composite is characterized by means of FTIR, XRD and SEM. Finally, the coagulation and hemostatic properties of the complex are tested. The results show that the characteristic absorption peak of nano-chitosan sodium salt appeared at the modified chitosan IR spectrum at 1 647 cm^-1 and 1 560 cm^-1. The nano-chitosan composited with metal ions show the crystal characteristics of Ag⁺ and Ca²⁺ in the XRD pattern. The SEM shows that partial Ag⁺ precipitates in nmCS-Ag, and the composite effect of nmCS-Ca is better. The coagulation and hemostasis of nmCS-Ag-Ca is better than that of nmCS-Ag and nmCS-Ca, while the coagulation and hemostasis of nmCS-Ag and nmCS-Ca are better than that of nmCS. The test results show that the nano-chitosan metal ion composite hemostatic material has been successfully prepared.
- nano-chitosan,
- composite materials,
- characterization,
- performance

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References(14)

References

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