Journal of Inorganic Materials >
Preparation and Characterization of Polycarbonate/TiO2 Ultrafine Fibers
Received date: 2006-07-10
Revised date: 2006-10-11
Online published: 2007-05-20
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.
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
/
〈 |
|
〉 |