Advances in polymer nanocomposites: Types and applications by Fengge Gao

By Fengge Gao

The addition of nanoparticles to polymer composites has ended in a brand new iteration of composite fabrics with greater and novel houses. The editor and members overview the most kinds of polymer nanocomposites and their functions during this book.Part one explains varieties of polymer nanocomposites based on fillers and discusses processing of carbon nanotube-based nanocomposites, layered double hydroxides (LDHs) and cellulose nanoparticles as useful fillers and reinforcement, along calcium carbonate and metal-polymer nanocomposites. half specializes in kinds of polymer nanocomposites in accordance with matrix polymer, equivalent to polyolefin-based, (PVC)-based, nylon-based, (PET)-based and thermoplastic polyurethane (TPU) -based polymer nanocomposites. the belief investigates key purposes, together with gasoline cells, aerospace purposes, optical purposes, coatings and flame retardant polymer nanocomposites.

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The ground CNTs are attached to the milled polymer particles via adsorption. After 20 milling cycles the average particle size was reduced to a few microns. , 2004). 5 Electrostatic assembly The electrostatic interaction between cationic polystyrene (PS) latex and anionic carbon nanofibers provides a ‘bottom-up’ synthesis method for a composite in © Woodhead Publishing Limited, 2012 Processing of carbon nanotube-based nanocomposites 19 which a cationic polystyrene latex was synthesized by emulsion polymerization and mixed with an aqueous suspension of oxidized carbon nanofibers, resulting in a material form obtained through hetero-coagulation.

4. 5 summarizes the overall discussion. 2 The life-cycle assessment (LCA) approach to nanotechnology Life-cycle assessment is a methodology to quantify the environmental impact of a product or a process over its entire life cycle. The methodology is standardized via ISO 14000. In its simplest form, the LCA methodology has four basic steps. 1 is a schematic description of these four phases, which are briefly described below. 1 Goal definition and scope The scope defines the boundaries of the life-cycle study and specifies which major and minor processes are to be considered.

Thermosetting polymers Epoxy systems are the most commonly used matrices in thermosetting resin composites. Typically, CNTs are dispersed in the resin via sonication. Solvents are added to lower the solution viscosity. A catalyzing agent or hardener is then added to initiate the formation of chemical crosslinking under an exothermic reaction. , 2002). Gojny and Schulte (2004) in contrast dispersed functionalized and nonfunctionalized MWCNTs in a polyetheramine curing agent rather than the epoxy resin prior to curing and attributed the high dispersion quality to the long chain polar solvent interacting with functionalized CNTs, causing stabilization of the nanotube suspension.

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