Journal
ULTRASONICS SONOCHEMISTRY
Volume 40, Issue -, Pages 410-418Publisher
ELSEVIER
DOI: 10.1016/j.ultsonch.2017.07.034
Keywords
alpha-MnO2 NRs; Blend nanocomposites; Ultrasonic irradiation; Cd-II adsorption; Poly(vinyl alcohol); Poly(vinyl pyrrolidone)
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Funding
- Research Affairs Division of Isfahan University of Technology (IUT), Isfahan, Iran
- Center of Excellence in Sensors and Green Chemistry (IUT), National Elite Foundation (NEF), Tehran, Iran
- Iran Nanotechnology Initiative Council (INIC), Tehran, Iran
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In this research, the functionalization of alpha-MnO2 nanorods (NRs) was conducted with stearic acid (SA) through solvothermal technique. The alpha-MnO2-SA NRs were used as nanofiller for the preparation of blend nano composites (NCs) based on poly(vinyl alcohol) (PVA) and poly(vinyl pyrrolidone) (PVP) by ultrasonic irradiation. The results exhibit that with increasing in alpha-MnO2-SA quantity, the thermal stability of blend NCs was improved. Morphological studies revealed that alpha-MnO2-SA with rod structure and a diameter size of 25-80 nm was uniformly dispersed in the PVA and PVP matrices. The use of ultrasonic was responsible for these great homogeneities which could not be achieved by mechanical or magnetically stirring. The prepared blend NCs were exploited as an adsorbing for uptake of Cd-II ion from the aqueous system. The results indicated that they can be potentially utilized for the elimination of Cd-II ion from an aqueous system with q(m) of 47 (mg g(-1)).
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