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Polymer-Carbon Nanotube Composites by P Pötschke, T McNally

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12

Mechanical properties of polymer–polymer-grafted carbon nanotube composites

S.H. Goh,     National University of Singapore, Singapore

Abstract:

This chapter reviews the use of polymer-grafted carbon nanotubes (CNTs) to enhance the mechanical properties of various polymers. Pristine CNTs generally improve the stiffness and strength of a polymer, at the expense of ductility and toughness. Grafting of polymers onto CNTs reduces the tendency of the nanotubes to aggregate and improves the efficiency of stress transfer from the matrix to the nanotubes. As a result, the mechanical properties of polymers are significantly enhanced by the incorporation of polymer-grafted CNTs.

Key words

carbon nanotube

mechanical properties

polymer composites ...

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