Simon, George - Monash University - Department of Materials Science and Engineering

研究领域

Professor Simon's research interests include the following: Polymer Nanocomposites. New materials which involve blends or mixtures of nano-sized ceramic units, nanoparticles and nanotubes with plastics (thermoset, thermoplastic and elastomer) are also being investigated. This is usually via the melt blending, in situ polymerization or solution blending methods. Modification of the nanotubes is also being undertaken. Such materials are useful in medical applications, opto-electronic devices, in gas separation membranes and to toughen thermosets. Our focus at the moment is particularly on functional nanocomposites using magnetic nanoparticles and carbon nanotubes for properties such as electrical conductivity and electron emission. We are also producing nanostructured materials using electropolymerisation for similar reasons. We are also looking at novel nanocomposites, particularly using sustainable polymers, and ionic liquids which can be classified as "green" solvents. Dendritic Materials. Both dendrimers and hyperbranched materials are being investigated in terms of their homopolymer structure-property relationships and in combination with other thermoplastic and thermoset materials as processing aids and toughening agents, and in nanocomposites Polymer Blends. Properties of polymer blends and their interfaces are being studied in a number of ways such as with regard to their dielectric mobility and free volume properties. Blends include those of plastics, blends with liquid crystalline polymers and with ceramics, often for biomedical applications. Thermosets and Their Toughening. Research is continuing into cure monitoring (such as by infrared and dielectric relaxation) of crosslinked polymers. They are being toughened by addition of thermoplastic phases and core-shell particles - for ultimate use as aerospace materials. Electrospinning of Nanofibers . The technique of electrospinning is looking at making new nano-dimensional functional materials for a range of applications from mechanical to biomedical, using a range of materials and techniques. In particular, we are interested in biomimetic (bimimicry) types of stuctures with multiple layers of material (polymer and nanoparticles) to produce enhanced mechanical and biomaterials properties.

近期论文

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CJ Garvey, IH Parker, GP Simon, AK Whittaker and RB Knott, "An experimental study by NMR and SANS of the ambient hydration of paper" in The Science of Papermaking - Transactions of the 12th Fundamental Research Symposium, Vol 1, Oxford, September 2001, pp 359-392, Ed. CF Baker, The Pulp and Paper Fundamental Research Society, Bury, Lancashire, UK, ISBN 0 9541126 0 1, 2001. Jalal Azadmanjiri, Pejman Hijati-Talemi, George P Simon, Kiyonori Suzuki and Cordelia Selomulya, “Synthesis and Electromagnetic Interference Shielding Properties of Iron Oxide/Polypyrrole Nanocomposites”, Polymer Engineering and Science, vol 51(2), pp 247-253, 2011. Dan Li, Xinyi Zhang, Jianfeng Yao, George P Simon and Huanting Wang, “Stimuli-responsive hydrogels as a new class of draw agent for forward osmosis desalination”, Chemical Communications, vol 47(6), pp 1710-1712, 2011. Xingxun Liu, Sarah Khor, Eustathios Petinakis, Long Yu, George P Simon, Katherine Dean and Stuart Bateman, “Effect of hydrophilic fillers on thermal degradation of Poly (lactic acid)”, Thermochimica Acta, vol 509 (1-2), pp 147-151, 2010. GP Simon, "Dielectric Properties of Polymeric Liquid Crystals", in Dielectric Spectroscopy of Polymeric Materials, Eds. JP Runt and JJ Fitzgerald, ACS Publications, Washington, Ch 12, pp 329–378, ISBN 084 123 4868, 1997. DE Turek, GP Simon and C Tiu "Relationships Among Rheology, Morphology and Solid-State Properties in Thermotropic Liquid Crystalline Polymers" in Handbook of Applied Polymer Processing Technology, Eds. N P Cheremisinoff and Cheresminoff, Marcel Dekker, New York, Ch 10, pp 307 – 333, ISBN 0-8247-9679-9, 1996. GP Simon, "Dielectric Relaxation Spectroscopy of Thermoplastics and Blends" in Materials Forum, vol 18, 235-264, IEAUST Publications, Canberra, ISBN 0160-5952, 1994. H Wang, C Tiu and GP Simon, “Properties of Dendrimers and Hyperbranched Polymers and Their Blends” in Advanced Polymeric Materials: Structure Property Relationships, Eds. SF Advani and GO Shonaike, CRC Press, Fl., USA, ISBN 1587160471, 2003. K Roberts, WD Cook, P Burchill and GP Simon, “Static and Dynamic Fracture Behaviour of Ribber-Modified Epoxy and Vinyl Ester Thermosetting Polymers” in Advanced Polymeric Materials: Structure Property Relationships, Eds. SF Advani and GO Shonaike, CRC Press, Fl., USA ISBN 1587160471, 2003.