Carbohydrate Polymers 181 (2018) 234–246 Contents lists available at ScienceDirect Carbohydrate Polymers journal homepage: www.elsevier.com/locate/carbpol Research Paper A novel electrospun hydroxypropyl methylcellulose/polyethylene oxide blend nanoﬁbers: Morphology and physicochemical properties a,b a, a Ayca Aydogdu , Gulum Sumnu , Serpil Sahin Department of Food Engineering, Middle East Technical University, 06800 Ankara, Turkey Department of Food Engineering, University of Necmettin Erbakan, 42090 Konya, Turkey ARTICLE I NFO ABSTRACT Keywords: The objective of this study was to fabricate and characterize Hydroxypropyl methylcellulose (HPMC) −based HPMC homogenous nanoﬁbers by using electrospinning method. As the concentrations of the solutions increased, Electrospinning viscosity and electrical conductivity of the solutions increased. The morphology of the ﬁbers changed from the Rheology beaded structure to the uniform ﬁber structure by increasing the concentrations of the solutions. Water vapor Thermal analysis permeability (WVP) of electrospun HPMC nanoﬁbers decreased with increasing polymer concentration. The shift Nanoﬁber in wavelengths, the change in intensity of FTIR peaks and melting point depression were the evidence of mis- cibility of HPMC/PEO blends. Nanoﬁbers showing both melting temperature (T ) and glass transition tem- perature (T ) had semicrystalline structure. By combining PEO with HPMC, the thermal stability of nanoﬁbers was increased. Hence, this study
Carbohydrate Polymers – Elsevier
Published: Feb 1, 2018
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