Abstract
In this work, a series of poly(vinyl alcohol) (PVA)/polyacrylonitrile (PAN) blend films with different PAN mole contents were prepared by casting the polymer blend solution in dimethylsulfoxide (DMSO). Surface morphologies of PVA/PAN blend films were analyzed by Scanning Electronic Microscopy (SEM) and Atomic Force Microscopy (AFM). Thermal, mechanical, and chemical properties of PVA/PAN blend films were investigated by Differential Scanning Calorimetry (DSC), Thermogravimetric Analysis (TGA), Tensile Tests, and Surface Contact Angle Tests. The results showed that the introduction of PAN could exert marked effects on the properties of PVA films.
Highlights
Based on its easy preparation, nontoxic, noncarcinogenic, were investigated by Differential Scanning Calorimetry (DSC), Thermogravimetric Analysis (TGA), Tensile Tests, and Surface biodegradable and bioadhesive characteristics, excellent chemical Contact Angle Tests
The results revealed that the introduction of resistance and physical properties, poly(vinyl alcohol) (PVA) a PAN could exert great effects on the properties of PVA films. water-soluble polyhydroxy polymer has received much attention for its potential applications[1,2,3,4]
This phenomenon reveals that the change of the morphologies of PVA film surface could be attributed to the introduction of PAN segments
Summary
Based on its easy preparation, nontoxic, noncarcinogenic, were investigated by DSC, TGA, Tensile Tests, and Surface biodegradable and bioadhesive characteristics, excellent chemical Contact Angle Tests. With the increase of the PAN mole contents, the surface morphologies of PVA/PAN blend films became uneven and the phase-separation phenomenon occurred.
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