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http://dx.doi.org/10.4191/KCERS.2009.46.6.643

Densification Behavior of C/C Composite Derived from Coal Tar Pitch with Small Amount of Iodine Addition  

Cho, Kwang-Youn (Division of Nano Materials Application, KICET)
Riu, Doh-Hyung (Division of Nano Materials Application, KICET)
Shin, Dong-Geun (Division of Nano Materials Application, KICET)
Joo, Heyok-Jong (Department of Polymer Science and Engineering, Chungnam University)
Koo, Hyung-Hoi (Agency for Defense Development)
Park, In-Seo (Agency for Defense Development)
Publication Information
Journal of the Korean Ceramic Society / v.46, no.6, 2009 , pp. 643-647 More about this Journal
Abstract
We investigated the viscosity behavior and the carbon yield of coal tar pitch (CTP) treated with iodine. The viscosity of iodine treated pitch showed that the fluidity of iodine treated CTP did not increase within the iodine addition of 1.4%. DTG analysis showed that cross linking was accelerated at the temperature range from $400\;to\;500{^{\circ}C}$ with iodine treatment, which is due to the accelerated dehydrogenative reaction by iodine. The iodine treatment was mainly effective for β-resin content increase of CTP. The carbon yield of CTP increased from 40 to 60% by the iodine non-treated CTP.
Keywords
C/C composite; Viscosity; Carbon yield; Iodine; Pitch;
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