Debdatta Ratna, «Epoxy Composites: ImpactResistance and Flame Retardancy: Rapra Review Report 185»
A composite is defined as a combination of twoor more materials with a distinguishable interface. The urge to improve theproperties of composite materials, has prompted materials scientists toinvestigate composites with lower and lower reinforcement size, leading to thedevelopment of microcomposites and the recent trend in composite research isnanocomposites (with nanometer scale reinforcements). Polymer matrix composite(PMC) can be processed at a much lower temperature, compared to composites withother types of matrix. Depending on the types of polymer matrices, PMC areclassified as thermosetting composites and thermoplastic composites. In thispresent review, thermosetting composites with epoxy matrices will be discussedin detail. Over the last three decades, the use of PMC, has increasedtremendously and this dramatic growth is expected to continue in the future.The composites possess many useful properties such as high specific stiffnessand strength, dimensional stability, adequate electrical properties andexcellent corrosion resistance. The implications are easy transportability,high payload for vehicle, low stress for rotating parts, high ranges forrockets and missiles, which make them attractive for both the civil and defenseapplications. The composite industry is currently dominated by thermosettingresins namely epoxy, vinyl ester, unsaturated polyester, phenolic, polyimides,cyanate ester etc. This is because of their availability, relative ease ofprocessing, lower cost of capital equipment for processing and low materialcost. Topics covered include:Thermosetting Composites,Epoxy Resins,ImpactResistant Epoxy Composites,Modification of Epoxy Matrix,Nanoreinforcement ofEpoxy,Simultaneous Nanoreinforcement and Toughening,Fire Retardant EpoxyComposites,Fire Retardant Resin Composition.This review will be of interest toanyone who manufactures or plans to use epoxy composites. This detailed andstate-of-the-art review is supported by an indexed section containingapproximately 300 key references and abstracts selected from the PolymerLibrary.
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