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Title of Journal: Polym Bull

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Abbravation: Polymer Bulletin

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Springer Berlin Heidelberg

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DOI

10.1002/ange.19020150203

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ISSN

1436-2449

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Synthesis characterisation and flame thermal and

Authors: K Suhailath M T Ramesan B Naufal P Periyat V C Jasna P Jayakrishnan
Publish Date: 2016/06/27
Volume: 74, Issue: 3, Pages: 671-688
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Abstract

Nanocomposites based on poly nbutyl methacrylate PBMA with various concentrations of titanium dioxide TiO2 nanoparticles were synthesised by in situ free radical polymerisation method The formation of nanocomposite was characterised by FTIR UV XRD DSC TGA impedance analyser and flame retardancy measurements FTIR and UV spectrum ascertained the intermolecular interaction between nanoparticles and the polymer chain The XRD studies indicated that the amorphous region of PBMA decreased with the increase in content of metal oxide nanoparticles The SEM revealed the uniform dispersion of nanoparticles in the polymer composite The DSC and TGA studies showed that the glass transition temperature and thermal stability of the nanocomposites were increased with the increase in the concentration of nanoparticles The conductivity and dielectric properties of nanocomposites were higher than pure PBMA and the maximum electrical property was observed for the sample with 7 wt TiO2 As the concentration of nanoparticles increased above 7 wt the electrical property of nanocomposite was decreased owing to the agglomeration of nanoparticles in the polymer Nanoparticles could impart better flame retardancy to PBMA/TiO2 composite and the flame resistance of the materials improved with the addition of nanoparticles in the polymer matrix

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