Electrospinning fabrication of partially crystalline bisphenol A polycarbonate nanofibers: The effects of molecular motion and conformation in solutions

Chia Chun Liao, Sheng Shu Hou, Cheng Chien Wang, Chuh Yung Chen

研究成果: Article同行評審

22 引文 斯高帕斯(Scopus)

摘要

Partially crystalline bisphenol A polycarbonate (BPAPC) nanofibers were successfully fabricated using a combination of a centrifugal field (1800rpm) and an electrostatic field (25kV). The BPAPC solution properties are key factors for adequately electrospinning the partially crystalline BPAPC nanofibers. The correlation times (τc) of methyl (τc=9.3 ns) and of benzene-ring (τc=15.3 and 15.8 ns) motions in the 14wt.% BPAPC/THF solution were longer than in CH2Cl2 and CHCl3, as determined by NMR. The distribution-peak maximum of the hydrodynamic radius of BPAPC in the 14wt.% THF solution (Rh=15Å) was higher than in CH2Cl2 (Rh=9.2Å) and CHCl3 (Rh=7.9Å), as evidenced by DLS data. We conclude that the BPAPC assumed a denser, more worm-like chain conformation in THF solvation.

原文English
頁(從 - 到)2887-2896
頁數10
期刊polymer
51
發行號13
DOIs
出版狀態Published - 2010 六月

All Science Journal Classification (ASJC) codes

  • 有機化學
  • 聚合物和塑料
  • 材料化學

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