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Carbon Fiber Composite Molecular Sieves for Gas Separation

Published online by Cambridge University Press:  15 February 2011

M. Jagtoyen ,
F. Derbyshire ,
N. Brubaker ,
Y. Q. Fel ,
G. Kimber ,
M. Matheny  and
T. Burchell
M. Jagtoyen
Affiliation:
University of Kentucky Center for Applied Energy Research, 3572 Iron Works Pike, Lexington KY 40511-8433, USA
F. Derbyshire
Affiliation:
University of Kentucky Center for Applied Energy Research, 3572 Iron Works Pike, Lexington KY 40511-8433, USA
N. Brubaker
Affiliation:
University of Kentucky Center for Applied Energy Research, 3572 Iron Works Pike, Lexington KY 40511-8433, USA
Y. Q. Fel
Affiliation:
University of Kentucky Center for Applied Energy Research, 3572 Iron Works Pike, Lexington KY 40511-8433, USA
G. Kimber
Affiliation:
University of Kentucky Center for Applied Energy Research, 3572 Iron Works Pike, Lexington KY 40511-8433, USA
M. Matheny
Affiliation:
University of Kentucky Center for Applied Energy Research, 3572 Iron Works Pike, Lexington KY 40511-8433, USA
T. Burchell
Affiliation:
Oak Ridge National Laboratory, PO Box 2008, Oak Ridge, TN 37831-6088, USA
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Introduction

Carbon fibers are produced commercially from rayon, phenolics, polyacrylonitrile (PAN), or pitch. The last are further divided into fibers produced from isotropic pitch precursors, and those derived from pitch that has been pretreated to introduce a high concentration of carbonaceous mesophase. Over the past few decades, interest in research and manufacturing carbon fibers has overwhelmingly centered on producing fibers with high tensile strength and high modulus for lightweight, high performance composites, where polymers, metals, and carbon can form the continuous matrix. The fibers most commonly used in advanced materials are produced from PAN or mesophase pitch. Graphitized mesophase pitch fibers tend to have higher modulus and lower tensile strength than the PAN-based equivalents. They have advantages in applications requiring high stiffness, high electrical and thermal conductivity, low thermal expansion, and high temperature oxidation resistance, while PAN fibers are employed where high strength is required.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 344: Symposium I – Materials and Processes for Environmental Protection , 1994 , 77
Copyright
Copyright © Materials Research Society 1994

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