聚碳酸酯/TiO2超细纤维的制备与表征

doi:10.3724/SP.J.1077.2007.00407

无机材料学报

聚碳酸酯/TiO₂超细纤维的制备与表征

韩晓建^1,2,4, 黄争鸣¹, 何创龙³, 刘玲¹, 董国华¹, 吴庆生⁴

1. 同济大学航空航天与力学学院, 上海 200092; 2. 安徽农业大学轻纺工程与艺术学院, 合肥 230036; 3. 东华大学生物科学与技术研究所, 上海 201620; 4. 同济大学化学系, 上海 200092

收稿日期:2006-07-10 修回日期:2006-10-11 出版日期:2007-05-20 网络出版日期:2007-05-20

Preparation and Characterization of Polycarbonate/TiO₂ Ultrafine Fibers

HAN Xiao-Jian^1,2,4, HUANG Zheng-Ming¹, HE Chuang-Long³, LIU Ling¹, DONG Guo-Hua¹, WU Qing-Sheng⁴

1. School of Aerospace Engineering & Applied Mechanics, Tongji University, Shanghai 200092, China; 2. College of Light-textile Engineering and Art, Anhui Agricultural University, Hefei 230036, China; 3. Institute of Biological Sciences and Biotechnology, Donghua University, Shanghai 201620, China; 4. Departpment of Chemistry, Tongji University, Shanghai 200092, China

Received:2006-07-10 Revised:2006-10-11 Published:2007-05-20 Online:2007-05-20

摘要/Abstract

摘要：

静电纺丝是一种有效制备超细纤维的重要方法. 以钛酸丁酯作为TiO₂前驱体实现了聚碳酸酯(PC)/TiO₂的制备, 采用TEM、SEM、红外光谱、X射线衍射等方法进行理化性能表征, 并测试了材料的抗菌性能. 结果表明: 当PC与钛酸丁酯质量比为9:1时电纺纤维尺寸较均匀, 珠状物最少; 7:3时纤维膜对大肠杆菌的抗菌率达到87%左右, 以期用于过滤膜、防护服及医疗纺织材料等领域.

关键词: 聚碳酸酯, 复合超细纤维, 抗菌性能

Abstract:

Functional ultrafine fibers of polycarbonate (PC)/TiO₂ were prepared by electrospinning of PC solutions mixed with butyl titanate for possible anti-bacterial applications. Three different mixture ratios, i.e. 9:1, 8:2, and 7:3 by mass between PC and butyl titanate were applied. These fibers were then characterized by scanning electron microscope (SEM), transmission electron microscope (TEM), Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD). Furthermore, anti-bacterial performance of the nonwoven fiber mats on escherichia coli was also measured. Experimental results show that when the ratio of PC and butyl titanate is 9:1, the resulting fibers are most uniform with least beads on the fiber surfaces. When this ratio is increased to 7:3, however, as high as 87% of the escherichia coli bacteria are killed. The present work demonstrates that an attachment of titania into PC ultrafine fibers leads to a significant improvement in their anti-bacterial ability.

Key words: polycarbonate, composite ultrafine nanofibers, anti-bacterial performance

中图分类号:

O614

韩晓建,黄争鸣,何创龙,刘玲,董国华,吴庆生. 聚碳酸酯/TiO₂超细纤维的制备与表征[J]. 无机材料学报, DOI: 10.3724/SP.J.1077.2007.00407.

HAN Xiao-Jian,HUANG Zheng-Ming,HE Chuang-Long,LIU Ling,DONG Guo-Hua,WU Qing-Sheng. Preparation and Characterization of Polycarbonate/TiO₂ Ultrafine Fibers[J]. Journal of Inorganic Materials, DOI: 10.3724/SP.J.1077.2007.00407.

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聚碳酸酯/TiO₂超细纤维的制备与表征

Preparation and Characterization of Polycarbonate/TiO₂ Ultrafine Fibers

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