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Effect of dispersed multi-walled carbon nanotubes on mixed matrix membrane for O2/N2 separation

Goh, P. S. and Ng, B. C. and Ismail, Ahmad Fauzi and Sanip, S. M. and Aziz, Madzlan and Kassim, Mohd. Azraai (2011) Effect of dispersed multi-walled carbon nanotubes on mixed matrix membrane for O2/N2 separation. Separation Science And Technology, 46 (8). pp. 1250-1261. ISSN 0149-6395

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Official URL: http://dx.doi.org/10.1080/01496395.2011.554952

Abstract

Mixed matrix membranes (MMMs) consisting of multiwalled carbon nanotubes (MWCNTs) embedded within polyetherimide were prepared. Surfactants of different charges were utilized to disperse the nanotubes through a simple non-covalent approach. The characterization results suggest that proper selection of the dispersing agent contributed to better dispersion of nanotubes. The MMMs exhibited improved thermal stability and mechanical strength, which indicate the improvement of dispersion and compatibility within the polymer matrix. The resulting membrane exhibited permeance improvement of O2 and N2 as much as 87.7% and 120% respectively compared to that of neat polyetherimide. The results implied that Triton-X100 treated MWCNTs is a promising filler to enhance gas permeability.

Item Type:Article
Uncontrolled Keywords:gas separation, mixed matrix membrane, multi-walled carbon nanotubes
Subjects:Q Science > QD Chemistry
Divisions:Chemical and Natural Resources Engineering (Formerly known)
ID Code:28980
Deposited By: Liza Porijo
Deposited On:07 Dec 2012 00:19
Last Modified:07 Dec 2012 00:19

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