A simple method for the sonochemical synthesis of PVA/ZrO2-vitamin B1 nanocomposites: Morphology, mechanical, thermal and wettability investigations.
作者： Shadpour Mallakpour , Elaheh Shafiee
DOI: 10.1016/J.ULTSONCH.2017.08.039
关键词:
摘要: Poly(vinyl alcohol) (PVA) based nanocomposites (NCs) filled by various weight percent of modified ZrO2 nanoparticles (NPs) with vitamin B1 (VB1) up to 7wt% were fabricated via ultrasonication method then was cast thin films. The applied for the preparation and modification process asan easy, safe fast method. Ultrasonic responsible great homogeneities NPs into PVA matrix, which could not be achieved mechanical or magnetically stirring. creation polymer NCs changes in structural properties examined X-ray diffraction. FT-IR spectroscopy indicated possible interactions ZrO2-VB1 backbones also, existence absorption bands related NC structures. distribution nano-fillers uniform morphology showed that homogeneously dispersed matrix nanosized scale. UV-Vis analysis shown optical improved evolution content. tensile strength film increased significantly increasing Thermal gravimetric confirmed displayed higher thermal stability than pristine PVA. Also, water contact angle hydrophilicity films enhanced concentration NPs.
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