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Calcium Iron Layered Double Hydroxide/Poly(vinyl chloride) Nanocomposites: Synthesis, Characterization and Cd2+ Removal Behavior by Mohammad Dinari; Negar Roghani is a Materials Science article available to read on EtoBox.

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Poly(vinyl chloride) (PVC) and other thermoplastics have received more attention in the last decades due to their high fire resistance, hydrophobicity, and flexibility. To improve the thermal stability of these classes of polymers, heat stabilizers should be used. Layered double hydroxides (LDHs) are a green and inexpensive class of heat stabilizers. In this study at first, the co-precipitation method was used to prepare nanostructure calcium/iron layered double hydroxide (Ca/Fe-LDH), and then it was organo-modified with citrate as a green and environmentally friendly anion. In the next step, it was used as a nanofiller for improving the thermal properties of the PVC matrix. Accordingly, LDH-Cit/PVC nanocomposites (NCs) with different amounts of LDH-Cit (5, 10 and 15 wt%) were synthesis by ultrasonic irradiation technique. The structural, morphological, and thermal properties of the synthesized NCs were evaluated with XRD, FT-IR, FE-SEM, TGA techniques. By introducing of LDH-Cit in the NCs, the residue at 800 °C was increased from 10 to 23% compared to pure PVC. The NCs ability to removing Cd 2+ metal ion and the effects of time, pH, and Cd 2+ concentration on the removal efficienc

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Author

Mohammad Dinari; Negar Roghani

Publisher

Springer Science and Business Media LLC

Published

2019

Language

EN

Field

Materials Science (Physical Sciences)