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

Zhang, Xiaoqing, Khor, Sarah, Gao, Dachao and Sum, Elaine 2011, Crosslinking chemistry of curing carbon composites containing novolac/furfuryl alcohol resins and carbon black or mesophase pitch as additives, Materials chemistry and physics, vol. 129, no. 1-2, pp. 228-235, doi: 10.1016/j.matchemphys.2011.03.084.

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Title Crosslinking chemistry of curing 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 129
Issue number 1-2
Start page 228
End page 235
Total pages 8
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2011-09-15
ISSN 0254-0584
1879-3312
Keyword(s) crosslinking chemistry
carbon composites
polymer binders
solid-state NMR
Summary The crosslinking chemistry was studied for producing carbon composites using carbon black or mesophase pitch as additives and a binder containing novolac and furfuryl alcohol (FA) resins and hexamethylene tetramine (HMTA) as a crosslinker. Curing the composites to 205 °C generated FA, water and ammonia as the major volatile species released from the systems due to evaporation, condensation of FA and crosslinking reactions between the resins and HMTA, respectively. Carbon black or mesophase displayed a minimal effect on the chemical nature of the volatiles released from the curing. However, the carbon black particles, which were homogeneously distributed in the cured composite, produced a broad distribution of chemical environments and structures of the binder networks, and the chain motions of the binder were also modified. Mesophase pitch on the other hand was likely to participate in curing reactions of the resin phase and heterogeneous phase structures were detected only on a scale as small as ~2 nm in the composite.
Language eng
DOI 10.1016/j.matchemphys.2011.03.084
Field of Research 170199 Psychology not elsewhere classified
0912 Materials Engineering
Socio Economic Objective 970117 Expanding Knowledge in Psychology and Cognitive Sciences
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:30086155

Document type: Journal Article
Collection: School of Psychology
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