Please use this identifier to cite or link to this item: http://localhost:8080/xmlui/handle/123456789/2330
Title: Structure and crystallization behaviour of syndiotactic polystyrene/layered double hydroxide nanocomposites
Authors: Nagendra, B
Leuteritz, Andreas
Bhoje Gowda, E
Keywords: layered double hydroxides; nanocomposites; syndiotactic polystyrene; crystallization; flame retardancy
Issue Date: Jan-2016
Publisher: Society of Chemical Industry
Citation: Polymer International 65:299-307
Abstract: Syndiotactic polystyrene (sPS) based polymer nanocomposites have been prepared using surfactant-free layered double hydroxides (SF-LDHs) by amodified solventmixingmethod with different loadings of 1, 2.5, 5 and 10 wt%. The nanocomposite preparation process involves a wash treatment of as-prepared SF-LDHs in an appropriate organic solvent followed by gel formation in a non-polar solvent. The gel was directly used to make highly dispersed polymer nanocomposites. The influence of highly dispersed SF-LDH platelets on the crystallization, polymorphism, thermal stability and flame retardancy of sPS was examined. It was shown that SF-LDHs significantly enhance the crystallization rate of sPS and favour the formation of the thermodynamically stable 𝜷 form along with the 𝜶 form of sPS. Moreover, highly dispersed SF-LDHs decrease the heat release rate and total heat release of sPS indicating the enhancement of flame-retardant properties of sPS. In thisway, itwas found that the dispersed SF-LDH platelets act as a multifunctional nanofiller for sPS. © 2015 Society of Chemical Industry
Appears in Collections:2016

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