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Carbonization chemistry of heating carbon composites containing novolac/furfuryl alcohol resins and carbon black or mesophase pitch as additives

Zhang, Xiaoqing, Khor, Sarah, Gao, Dachao and Sum, Elaine 2012, Carbonization chemistry of heating carbon composites containing novolac/furfuryl alcohol resins and carbon black or mesophase pitch as additives, Materials chemistry and physics, vol. 131, no. 3, pp. 735-742, doi: 10.1016/j.matchemphys.2011.10.044.

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Title Carbonization chemistry of heating carbon composites containing novolac/furfuryl alcohol resins and carbon black or mesophase pitch as additives
Author(s) Zhang, Xiaoqing
Khor, Sarah
Gao, Dachao
Sum, Elaine
Journal name Materials chemistry and physics
Volume number 131
Issue number 3
Start page 735
End page 742
Total pages 8
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2012-01-05
ISSN 0254-0584
Keyword(s) composite materials
heat treatment
polymer
NMR
Summary Carbon composites containing novolac/furfuryl alcohol resins with hexamethylene tetramine (HMTA) asa crosslinker and carbon black or mesophase pitch as an additive, were heated to 1000 ◦C under Argonatmosphere. Carbonization chemistry was studied including the nitrogen-containing structures in thefinal carbons. The volatiles released during the heating were furfuryl, phenol-benzene species, methane,ethane and other small molecular species such as moisture, CO2, CO and ammonia. When carbon blackwas used as an additive in the composite, a considerable amount of furfuryl and phenolic species were“trapped” on the surface of carbon black particles, resulting in a higher carbon yield. Certain carbonizationreactions also occurred at lower temperatures, and the dimensional shrinkage was reduced as comparedto the resin-only system. On the other hand, the mesophase pitch additive formed homogeneous morphologieswith the resin binder, participated in the carbonization process of the resin binder and formedamorphous carbons with porous structures and dimensional expansion. Manipulating the compositionand variety of the additives could produce carbon composites with designed performance.
Language eng
DOI 10.1016/j.matchemphys.2011.10.044
Field of Research 091299 Materials Engineering not elsewhere classified
0912 Materials Engineering
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2011, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30086154

Document type: Journal Article
Collection: School of Psychology
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