Tunable Properties of Exfoliated Polyvinylalcohol Nanocomposites by in Situ Coprecipitation of Layered Double Hydroxides

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalNot applicablepeer-review

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Original languageEnglish
Article number012001
Journal / PublicationIOP Conference Series: Materials Science and Engineering
Volume241
Online published1 Nov 2017
Publication statusPublished - 2017

Conference

Title2017 5th Asia Conference on Mechanical and Materials Engineering (ACMME 2017)
PlaceJapan
CityTokyo
Period9 - 11 June 2017

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Abstract

Poly(vinyl alcohol) (PVA) nanocomposites were prepared by a "one step" method based on the coprecipitation of layered double hydroxide (LDH) nanosheets in the polymer aqueous solution. The morphology, fire resistance properties, mechanical and optical properties of the PVA/LDH nanocomposites were studied. The LDH nanosheets were homogeneously dispersed in the PVA matrix as indicated by X-ray diffraction (XRD) pattern and transmission electron microscopy (TEM) characterization. Meanwhile, the peak of heat release rate (pHRR) and total heat release (THR) were decreased by 58% and 28%, respectively. Storage modulus at 30 °C was increased, and the transmittance of more than 90% at the visible region was obtained upon addition of 5 wt% LDH.

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