期刊
MATERIALS LETTERS
卷 59, 期 28, 页码 3558-3562出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2005.06.027
关键词
porous ultra-fine fibers; electrospinning; poly(vinyl cinnamate); poly(3-hydroxybutyrate-co-3-hydroxyvalerate); photo-crosslinking
In this study, a new method of preparing porous ultra-fine fibers via photo-crosslinking was developed. Ultra-fine poly(vinyl cinnamate)/ poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PVCi/PHBV) blend fibers were electrospun and then the PVCi was photo-crosslinked by UV irradiation. PVCi and PHBV were immiscible and the phase separation proceeded during the electrospirming process. After the photo-crosslinking of PVCi, PHBV was extracted from the blend fibers with chloroform. The average pore sizes in the remaining ultra-fine PVCi fibers were increased with increasing the content of PHBV in the ultra-fine PVCi/PHBV fibers. (C) 2005 Elsevier B.V. All rights reserved.
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