材料研究学报  2007, Vol. 21 Issue (5): 523-530

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表面活性剂对炭素泡沫结构与性能的影响

闵振华;许德平;曹 敏;林雄超;王永刚

闵振华; 许德平; 曹敏; 林雄超; 王永刚 . 表面活性剂对炭素泡沫结构与性能的影响[J]. 材料研究学报, 2007, 21(5): 523-530.

摘要 参考文献 相关文章 Metrics 全文: PDF(1210 KB)   摘要: 以十二烷基苯磺酸钠(SDBS)和Span-40表面活性剂为添加剂, AR沥青为原料,制备炭素泡沫材料, 测定了材料的体积密度、显气孔率、压缩强度、常温热导率以及微晶结构参数,研究了添加表面活性剂后AR沥青的流变性能和炭素泡沫材料孔胞结构的变化. 结果表明,表面活性剂使炭素泡沫的平均孔径变小, 孔径分布趋于均匀,韧带的层片织构排列更为规整、致密. 添加SDBS的炭素泡沫, 孔壁较薄, 开孔率较高, 具有较低的体积密度(0.36 g/cm3)、较高的显气孔率(83.35%)、较小的层片间距d002(0.3366 nm)、较高的常温热导率(55.96 W/m.K)和比热导率(155.44 (W/m.K)/(g/cm3)).添加Span-40对炭素泡沫的体积密度、显气孔率和热导率的影响较小, 但是使石墨化度提高,使其具有较高的压缩强度(2.39 MPa). Key words： 收稿日期: 1900-01-01      服务 把本文推荐给朋友 加入引用管理器 E-mail Alert RSS 作者相关文章 闵振华 许德平 曹敏 林雄超 王永刚 44.8K 链接本文: https://www.cjmr.org/CN/Y2007/V21/I5/523 1 J.Klett,R.Hardy,E.Romine,C.Walls,T.Burchell,High- thermal-conductivity,mesophase pitch-derived carbon foams:effect of precursor on structure and properties, Carbon,38(7),953(2000) 2 N.C.Gallego,J.W.Klett,Carbon foams for thermal man- agement,Carbon,41(7),1461(2003) 3 J.Klett,A.McMillan,N.Gallego,T.Burchell,C.Walls,Ef- fects of heat treatment conditions on the thermal proper- ties of mesophase pitch-derived graphitic foams,Carbon, 42(8-9),1849(2004) 4 J.W.Klett,A.D.McMillan,N.C.Gallego,C.A.Walls,The role of structure on the thermal properties of graphitic foams,Journal of Materials Science,39,3659(2004) 5 CAO Min,ZHANG Shu,ZHOU Jianming,WANG Yong- gang,Preparation and applications of carbon foam,Jour- nal of Materials Science & Engineering,22(8),613(2004) (曹敏，张书，周建明，王永刚，炭素泡沫材料的制备和应用，材料科学与工程学报，22(8)，613(2004)) 6 CAO Min,ZHANG Shu,WANG Yongang,Influence of preparation conditions on the pore structure of carbon foam,New Carbon Materials,20(2),134(2005) (曹敏，张书，王永刚，制备条件对炭泡沫结构的影响，新型炭材料，20(2)，134(2005)) 7 CAO Min,ZHANG Shu,MIN Zhenhua,WANG Yong- gang,XU Dongyao,The influence of gas release modes on pore structure and performance of carbon foam (Gyeongju,Proceeding of International Conference on Carbon,2005)p.295 8 WANG Yonggang,CAO Min,ZHANG Shu,WANG Xi- udan,XU Deping,Effect of precursors on pore structure of carbon foam,(Gyeongju,Proceeding of International Conference on Carbon,2005)p.177 9 ZHAO Guoxi,ZHU Buyao,Principles of Surfactant Ac- tion(Beijing,China Light Industry Press,2003)p.513 (赵国玺，朱步瑶，表面活性剂作用原理(北京，中国轻工业出版社，2003)p．513) 10 QIU Jieshan,LI Ping,LIU Guishan,ZHOU Ying,Effect of iron nitrite on the preparation of carbon foams form mesophase pitch,New Carbon Materials,20(3),193(2005) (邱介山，李平，刘贵山，周颖，由中间相沥青制备泡沫炭：Fe(NO_3)_3的影响，新型炭材料，20(3)，193(2005)) 11 YU Kun,Analysis Basis of Material Structure(Beijing, Science Press,2002)p.175 (余焜，材料结构分析基础(北京，科学出版社，2002)p．175) 12 MO Zhisheng,ZHANG Hongfang,Structure of Crystal Polymer and X-ray Diffraction(Beijing,Science Press, 2003)p.136 (莫志深，张宏放，晶态聚合物结构和X射线衍射(北京，科学出版社，2003)p．136) No related articles found! Viewed Full text Abstract Cited   Shared      Discussed