摘要
本文以中温煤沥青为原料,通过热缩聚法与悬浮法相结合制备中间相碳微球。本文分别探讨了在360℃与380℃下恒温3～5h制备中间相碳微球。采用偏光显微镜对中间相碳微球进行结构分析,采用SEM对中间相碳微球进行形貌分析,采用TGA对所制备的中间相碳微球进行热行为分析。结果表明,提高热聚合温度和延长保温时间使得MCMB的粒径变小,球径分布变宽,球体表面更加光滑,制备的中间相碳微球形貌更好。
@@@@Thispaperusesthetemperaturecoaltarasrawmaterial,usingthemethodofThermalpolycondensationandSuspensioncombainedtoprepare MCMB.This article discussed under the tempreture of 360℃and 380℃holding 3~5h preparing MCMB.Use the Polarizing microscope to conduce StructuralanalysisofMCMB,andSEMtoconductMorphologyanalysisofMCMB,andTGAtoconductThermalbehavioranalysis.Theresultsshow that improvingthethermalpolymerizationtemperatureandtheholdingtimecause MCMB'sparticlediameterbecomessmal er,andthebal diameterdistri-butionbecomesbroadener,andtheSpheresurfacebecomessmoother.TheMCMBtheformationmechanismfollowsthemicro-domainconstructthe-ory.
出处
《科技风》
2013年第5期7-8,21,共3页
关键词
中间相碳微球
制备
形成机理
热聚合
MCMB
Preparation
Theformationmechanism
Heatcondensation
