呋喃树脂改性煤沥青的机理及热行为研究

以呋喃树脂为改性剂对煤沥青进行了改性，采用傅立叶红外光谱（FT-IR）和扫描电镜（SEM）对呋喃树脂改性煤沥青的机理进行了分析；采用热重和示差扫描量热技术（TG-DSC）对改性前后煤沥青的热解行为进行了分析．实验结果表明，呋喃树脂在煤沥青中起增塑作用，其增塑过程通过四步完成，呋喃树脂与煤沥青发生增塑作用时需要吸收热量；呋喃树脂改性煤沥青的耐热性提高，呋喃树脂对煤沥青的残炭率影响不大．

STUDY ON MECHANISM AND THERMAL BEHAVIOR OF THE COAL TAR PITCH MODIFIED WITH FURAN RESIN

Modification of coal tar pitch (CTP) as carbon materials was studied using furan resin as a modifer. The modification mechanism was studied using fourier transform infra-red (FT-IR) and scanning electronic microscope (SEM) respectively.Thermal behavior of modified coal tar pitch was analyzed with thermogravimetric and differential scanning calorimetry (TG-DSC).Our experimental findings are the following:1) The furan resin acts as plasticization in the CTP. The plasticization of furan resin in the CTP can be finished through four-part;2) It need absorb heat when plasticization of furan resin in the CTP occurs;3) The thermal stability of the modified coal tar pitch is improved and the influence of furan resin on the carbon yield is quite small.