Estimation of pore structures in carbon fibers prepared from polymer blends during carbonization by small-angle X-ray scattering
2008
We previously investigated the pore structure in carbon fibers prepared from polymer blends consisting of carbon precursor resin and pore forming resin by measurements of small-angle X-ray scattering (SAXS), and reported the heat treatment temperature (HTT) dependence of the pore structures elsewhere.In this paper, a least-square-fitting analysis of theoretical scattering intensities for experimental intensities was introduced in order to get the results with higher reliability. We also measured SAXS intensity of the polymer blend fiber without heat treatment and carbonization to investigate the structure of the pore forming resin in the fiber. We considered the structural change of the pore forming resin and the formed pores with heat treatment and carbonization.
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