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2007 , Vol. 22 >Issue 3: 407 - 412

DOI: https://doi.org/10.3724/SP.J.1077.2007.00407

研究论文

聚碳酸酯/TiO2超细纤维的制备与表征

  • 韩晓建 ,
  • 黄争鸣 ,
  • 何创龙 ,
  • 刘玲 ,
  • 董国华 ,
  • 吴庆生
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  • 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

  网络出版日期: 2007-05-20

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Preparation and Characterization of Polycarbonate/TiO2 Ultrafine Fibers

  • HAN Xiao-Jian ,
  • HUANG Zheng-Ming ,
  • HE Chuang-Long ,
  • LIU Ling ,
  • DONG Guo-Hua ,
  • WU Qing-Sheng
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  • 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 date: 2006-07-10

  Revised date: 2006-10-11

  Online published: 2007-05-20

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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

本文引用格式

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, 2007 , 22(3) : 407 -412 . DOI: 10.3724/SP.J.1077.2007.00407

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

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