Permeability, viscoelasticity, and flammability performances and their relationship to polymer nanocomposites

Song, Ping'An and Yu, Youming and Zhang, Tao and Fu, Shenyuan and Fang, Zhengping and Wu, Qiang (2012) Permeability, viscoelasticity, and flammability performances and their relationship to polymer nanocomposites. Industrial and Engineering Chemistry Research, 51 (21). pp. 7255-7263. ISSN 0888-5885

Abstract

Despite abundant studies on gas barrier, viscoelastic, and flammability properties of polymer nanocomposites, comprehensive understandings of these performances and their relationships are still lacking. We herein attempt to gain deep insights into the performances by creating several polymer nanocomposites by incorporating three types of nanoparticles, nanoclay (Clay), carbon nanotubes (CNTs), and reduced graphene nanoplates (RGO), into polypropylene (PP). The oxygen permeability, viscoelasticity, and flammability measurements demonstrate that RGO can lead to much more reduction in the gas permeability (by ∼73%) and flammability (peak heat release rate (PHRR) reduction by ∼78%), as well as a higher storage modulus and melt viscosity of polymer matrix relative to clay and CNTs at the same loading (1.0 wt %) due to its higher aspect ratio. Clay performs better than CNTs in terms of gas barrier property due to its lamellar structure while behaves worse than CNTs in terms of increasing the melt viscosity and reducing flammability of polymers. Most important, there is a nearly line correlation among these properties for all polymer nanocomposites despite some deviations.


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Item Type: Article (Commonwealth Reporting Category C)
Refereed: Yes
Item Status: Live Archive
Additional Information: Files associated with this item cannot be displayed due to copyright restrictions.
Faculty / Department / School: No Faculty
Date Deposited: 30 May 2017 04:40
Last Modified: 30 May 2017 04:40
Uncontrolled Keywords: flammability properties; gas barrier; melt viscosities; nano clays; nanoplates; oxygen permeability; peak heat release rates; polymer nanocomposite; solid state physics; organico polymers
Fields of Research : 03 Chemical Sciences > 0399 Other Chemical Sciences > 039903 Industrial Chemistry
Socio-Economic Objective: E Expanding Knowledge > 97 Expanding Knowledge > 970103 Expanding Knowledge in the Chemical Sciences
Identification Number or DOI: 10.1021/ie300311a
URI: http://eprints.usq.edu.au/id/eprint/31637

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