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Journal of Inorganic Materials

Journal of Inorganic Materials >

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

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

Research Paper

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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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

Cite this article

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

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