煤炭转化
煤炭轉化
매탄전화
COAL CONVERSION
2010年
1期
1-4
,共4页
煤/PAN%电导率%协同效应
煤/PAN%電導率%協同效應
매/PAN%전도솔%협동효응
coal/PAN%conductivity%cooperation effect
用煤的苯胺抽提物模拟有通孔结构的无灰煤作为模板合成煤基聚苯胺,研究了煤的孔结构和官能团对复合材料电导率的影响.结果表明,所制备的复合材料的最大电导率为6.46×10~(-4) S/cm.原因是溶剂抽提产物面的羧基、羰基和羟基等极性基团数量较少,电荷密度较低,活性位点较少,导致其表面"水化"能力较差,难以在水中均匀地分布,不能对聚合物进行良好的掺杂.所以高电导率的煤/PAN是煤孔结构和官能团的协同效应.
用煤的苯胺抽提物模擬有通孔結構的無灰煤作為模闆閤成煤基聚苯胺,研究瞭煤的孔結構和官能糰對複閤材料電導率的影響.結果錶明,所製備的複閤材料的最大電導率為6.46×10~(-4) S/cm.原因是溶劑抽提產物麵的羧基、羰基和羥基等極性基糰數量較少,電荷密度較低,活性位點較少,導緻其錶麵"水化"能力較差,難以在水中均勻地分佈,不能對聚閤物進行良好的摻雜.所以高電導率的煤/PAN是煤孔結構和官能糰的協同效應.
용매적분알추제물모의유통공결구적무회매작위모판합성매기취분알,연구료매적공결구화관능단대복합재료전도솔적영향.결과표명,소제비적복합재료적최대전도솔위6.46×10~(-4) S/cm.원인시용제추제산물면적최기、탄기화간기등겁성기단수량교소,전하밀도교저,활성위점교소,도치기표면"수화"능력교차,난이재수중균균지분포,불능대취합물진행량호적참잡.소이고전도솔적매/PAN시매공결구화관능단적협동효응.
Coal/PAN complex was synthesized by using an aniline extracted product of coal as a template to simulate the structure of ash-free coal with through pores. The effects of pore structure and functional groups on the conductivity of the complex were investigated. The results showed that the maximum conductivity of the coal/PAN complex was 6.46×10~(-4) S/cm. The main reason for the low conductivity is that there are less -OH, -COOH, and CO functional groups, low charge density and less active site in the surface of the extract, which resulted in a relatively weak "hydration" surface. Therefore the doping process cannot be performed thoroughly for the nonuniform distribution of the extracts. The synergistic effect of pore structure and functional groups can enhance the conductivity of coal/PAN complex.