炭化条件对聚丙烯腈炭膜性能的影响  

EFFECTS OF CARBONIZATION CONDITION ON PROPERTIES OF PAN-BASED CARBON MEMBRANES

作　　者：宋成文[1,2] 王同华[2] 

机构地区：[1]大连海事大学环境科学与工程学院环境信息研究所,辽宁大连116026 [2]大连理工大学化工学院精细化工国家重点实验室炭素研究室,辽宁大连116012

出　　处：《炭素技术》2009年第2期5-8,共4页Carbon Techniques

摘　　要：采用浸渍法在煤基炭管上制备出聚丙烯腈基复合炭膜,考察了炭化条件对聚丙烯腈基炭膜性能的影响。结果表明,炭化温度和升温速率对炭膜的孔结构及分离性能的影响较大,而惰性气体流率和恒温时间的影响则相对较小。通过优化这些实验参数可以制备出复合效果好、表面光滑无缺陷的聚丙烯腈炭膜。PAN-based carbon membranes were prepared using dip-coating method, in which porous coal-based carbon tubes were used as support. The effects of carbonization condition on the properties of PAN-based carbon membranes were investigated. The results indicate that carbonization temperature and heating rate have great effects on the pore structure properties of carbon membranes, while holding time and gas flow rate have slight effects on the pore structure properties of carbon membranes. The crack-free PAN-based carbon membranes can be prepared by optimizing the experimental parameters.

关 键 词：聚丙烯腈 支撑体 炭化 炭膜 

分 类 号：TB383[一般工业技术—材料科学与工程] TQ342.3[化学工程—化纤工业]