Journal
MATERIALS LETTERS
Volume 62, Issue 20, Pages 3555-3557Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2008.03.049
Keywords
nanomaterials; polymers; electrospinning; polyvinyl alcohol; anhydride; crosslink
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The electrospinning of polyvinyl alcohol (PVA) was performed with maleic anhydride (MA) as a cross linker to fabricate slightly soluble nanofiber membrane. The solubility, morphology and thermal behavior of electrospun PVA and PVA/MA membranes were characterized by water durability test, scanning electron microscope (SEM) and differential scanning calorimeter (DSC), respectively. Water durability test demonstrated that 8% PVA/MA (20/1, mole/mole) membrane had the least average mass loss and standard deviation. SEM images showed that fibers in PVA/MA membrane had a larger average diameter compared to those in PVA membrane. DSC investigated that crystal structure was formed in PVA/MA membrane. The results show that rapid evaporation of water and high electric field during electrospinning process may promote crosslinking of PVA and MA. (C) 2008 Elsevier B.V. All rights reserved.
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