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Single-Step in Situ Synthesis of Polymer-Grafted Single-Wall Nanotube Gunaranjan Viswanathan, Nirupama Chakrapani, Hoichang Yang,,| Bingqing Wei,
 

Summary: Single-Step in Situ Synthesis of Polymer-Grafted Single-Wall Nanotube
Composites
Gunaranjan Viswanathan, Nirupama Chakrapani, Hoichang Yang,,| Bingqing Wei,
Hyunsoo Chung, Kilwon Cho,| Chang Y. Ryu,*, and Pulickel M. Ajayan*,
Departments of Chemical Engineering, Materials Science and Engineering, and Chemistry,
Rensselaer Polytechnic Institute, Troy, New York 12180, and Department of Chemical Engineering,
Pohang UniVersity of Science and Technology, Pohang 790-784, Korea
Received April 3, 2003; E-mail: ryuc@rpi.edu; ajayan@rpi.edu
Single-wall carbon nanotubes (SWNTs) have been widely touted
as attractive candidates for use as fillers in composite materials
due to their extremely high Young's modulus, stiffness, and
flexibility.1 Successful applications of such composite systems
require well-dispersed nanotubes with good adhesion with the host
matrix, which, unfortunately, is not easily realized. Processing is
rendered difficult by poor solubility of SWNTs, and the exfoliation
of nanotube bundles is a major challenge. Moreover, inherently
weak nanotube-polymer interactions result in poor interfacial
adhesion, which can lead to nanotube aggregation within the matrix.
Although a variety of chemical routes have been investigated to
achieve nanotube solubility,2 most methods either shorten the

  

Source: Ajayan, Pulickel M. - Department of Mechanical Engineering and Materials Science, Rice University

 

Collections: Materials Science