NDLI: Electrospin of polysulfone in N,N’-dimethyl acetamide solutions

Content Provider	Springer Nature Link
Author	Chang, Kai Hsin Lin, Hsiu Li
Copyright Year	2009
Abstract	Nanofibers of polysulfone (PSU) were prepared by electro-spinning from 10∼20 wt.% PSU solutions in N,N’-dimethyl acetamide (DMAc) mixed with 0.0∼0.1 wt.% LiCl. With increasing PSU concentration, the morphology of fibers electrospun were bead, mixture of bead-fiber and fiber, and smooth fibers when PSU concentration was 10, 12–15, and 18–20 wt.%, respectively. The bead sizes decreased and fiber diameters increased as PSU concentration was increased. The fiber diameter decreased with increases of the LiCl concentration and the distance from spinneret to collection plate. The fiber diameter also decreased with decreasing solution feeding rate. The fiber diameter distribution electrospun from 20 wt.% PSU solutions was much broader than those electrospun from 18 wt.% PSU solution. For 18 wt.% PSU solution, the average fiber diameter (AFD) decreased when the applied voltage V was increased from 7 to 12 kV. However, for 20 wt.% PSU solutions, the AFD increased when V was increased from 7 to 12 kV. The different morphology of fibers electrospun from 18 and 20 wt.% PSU solutions was attributed to the much higher viscosity of 20 wt.% PSU solution than 18 wt.% PSU solution.
Starting Page	611
Ending Page	622
Page Count	12
File Format	PDF
ISSN	10229760
Journal	Journal of Polymer Research
Volume Number	16
Issue Number	6
e-ISSN	15728935
Language	English
Publisher	Springer Netherlands
Publisher Date	2009-02-06
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Electro-spin Nano-fiber Polysulfone Industrial Chemistry/Chemical Engineering Polymer Sciences Characterization and Evaluation of Materials
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Materials Chemistry Polymers and Plastics

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