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化工新型材料  2019, Vol. 47 Issue (11): 162-166    
  科学研究 本期目录 | 过刊浏览 | 高级检索 |
氧化纤维素/壳聚糖复合海绵的制备及性能研究
刘文迎1, 郭亮亮2, 刘泽员3, 张静1*
郑州大学化工与能源学院,郑州450001
Research on preparation and property of oxidized cellulose/chitosan composite sponge
Liu Wenying1, Guo Liangliang2, Liu Zeyuan3, Zhang Jing1
School of Chemical and Energy Engineering,Zhengzhou University,Zhengzhou 450001
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摘要 以壳聚糖与氧化纤维素为原料,采用冷冻干燥法制备了氧化纤维素不同用量的复合海绵。通过吸水性、水蒸汽透过率、降解性等测试研究了其性能。研究表明,与纯壳聚糖海绵相比,复合海绵机械性能得到很大改善,还具有良好的吸水性、降解性及抑菌性。在氧化纤维素用量为5%(wt,质量分数)条件下,制得的复合海绵性能相对最佳,吸水率高达1243%,孔隙率为86.51%,水蒸汽透过率为4.13kg/(24h·m2),拉伸强度为0.28MPa,降解28d的降解率为22.8%,对大肠杆菌、金黄葡萄球菌的抑菌圈宽度分别为2.50mm、1.50mm,是一种潜在的止血材料。
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刘文迎
郭亮亮
刘泽员
张静
关键词:  氧化纤维素  壳聚糖  复合物  机械性能    
Abstract: Composite sponges with different proportions of oxidized cellulose were prepared by freeze-drying using chitosan and oxidized cellulose as raw materials.The properties of the composites were studied by tests of water absorption,water vapor transmission rate and degradability.The results shown that the mechanical properties of the sponge were greatly improved compared with the pure chitosan sponge,and also had good water absorption,degradability and bacteriostasis.Under the condition that the amount of oxidized cellulose was 5% (wt,mass fraction),the obtained composite sponge had the best performance,the water absorption rate was as high as 1243%,the porosity was 86.51%,and the water vapor transmission rate was 4.13kg/(24h m2),the tensile strength was 0.28MPa,the degradation rate of degradation for 28d was 22.8%,and the inhibition zone width for Escherichia coli and Staphylococcus aureus were 2.50mm and 1.50mm,respectively,which was a potential hemostatic material.
Key words:  oxidized cellulose    chitosan    composites    mechanical properties
收稿日期:  2018-06-02                出版日期:  2019-11-20      发布日期:  2019-12-04      期的出版日期:  2019-11-20
基金资助: 河南省高等学校重点科研项目(17A530004)
通讯作者:  张静(1974-),女,副教授,主要从事功能材料与药物研制。   
作者简介:  刘文迎(1990-),女,硕士,主要研究功能材料与药物研制。
引用本文:    
刘文迎, 郭亮亮, 刘泽员, 张静. 氧化纤维素/壳聚糖复合海绵的制备及性能研究[J]. 化工新型材料, 2019, 47(11): 162-166.
Liu Wenying, Guo Liangliang, Liu Zeyuan, Zhang Jing. Research on preparation and property of oxidized cellulose/chitosan composite sponge. New Chemical Materials, 2019, 47(11): 162-166.
链接本文:  
https://www.hgxx.org/CN/  或          https://www.hgxx.org/CN/Y2019/V47/I11/162
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