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석탄계 피치에 요오드를 소량 첨가하여 제조한 탄소복합재의 치밀화 거동
조광연,류도형,신동근,주혁종,구형회,박인서,Cho, Kwang-Youn,Riu, Doh-Hyung,Shin, Dong-Geun,Joo, Heyok-Jong,Koo, Hyung-Hoi,Park, In-Seo 한국세라믹학회 2009 한국세라믹학회지 Vol.46 No.6
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.