Paper Title:
Ethylenediamine-Functionalized Carbon Nanotubes and Nylon-6 Composites
  Abstract

Carbon Nanotubes (CNTs) are functionalized with ethylenediamine by chemical cut and grafting process. CNTs/nylon-6 (PA6) composite is prepared by solution-evaporation method. The dispersivity of CNTs and mechanical properties of CNTs/PA6 composites are tested. Reinforced mechanism is also investigated. The results show that the ethylenediamine-functioned CNTs (s-CNTs) are well dispersed in the formic acid and the weight content of grafted ethylenediamine is about 30%. With only 2wt% addition of s-CNTs, the modulus, strength and strain of PA6 are dramatically improved by about 46%, 85%, and 200% respectively. The tensile course of s-CNTs/ PA6 composites shows that the increase of modulus were provided by both the increase of matrix crystallinity induced by s-CNTs and the recruitment of s-CNTs, and the improvements of strength and strain were attributed to the malleable integration between the s-CNTs and matrix, which was formed with s-CNTs, crystal matrix based on the tubes and the partial entanglements of tubes.

  Info
Periodical
Advanced Materials Research (Volumes 287-290)
Chapter
New Functional Materials
Edited by
Jinglong Bu, Pengcheng Wang, Liqun Ai, Xiaoming Sang, Yungang Li
Pages
462-466
DOI
10.4028/www.scientific.net/AMR.287-290.462
Citation
Q. Zhou, Y. C. Hu, X. N. Sun, Y. J. Weng, "Ethylenediamine-Functionalized Carbon Nanotubes and Nylon-6 Composites", Advanced Materials Research, Vols. 287-290, pp. 462-466, 2011
Online since
July 2011
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Price
$32.00
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