Abstract
Pitches are carbonaceous materials derived from organic precursors using variety of processes. These processes may extend from solven extraction to a number of low temperature thermal treatments, usually below 700 K. Having a broad range of molecular weight constituents, pitches consequently have complex physical and chemical properties. The range of molecular structures extends from low molecular weight paraffinic to high molecular weight aromatic structure. This range allows pitches to be tailored into The numerous carbon products requiring different molecular weight distributions. The proportion of low and high molecular weight compound largely depends on the source (parent hydrocarbon) processing and fractionation procedure. The rich variety of pitch inputs consequently provides a wide range of industrial applications for derivatives. These include graphite, cokes, carbon fibers, adsorbent carbons and binders [1,2]Literature on pitches is voluminous but in recent years efforts to use pitches for carbon fiber production have gained much attention. As a result of these studies pitches have provided wider markets for carbon materials [3].
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Yardim, M.F., Ekinci, E., Bartle, K.D. (2001). Pitch Precursor-Origin and Chemical Constitution. In: Rand, B., Appleyard, S.P., Yardim, M.F. (eds) Design and Control of Structure of Advanced Carbon Materials for Enhanced Performance. NATO Science Series, vol 374. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-1013-9_6
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DOI: https://doi.org/10.1007/978-94-010-1013-9_6
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