MUF石蜡相变储能材料的制备及其表征.pdf

化学与黏合 2015年第37卷第3期 CHEMISTRYANDADHESl0N MUF／石蜡相变储能材料的制备及其表征木 倪卓，周方宇，蔡弘华，白嘉健 (深圳大学化学与化工学院，广东深圳518060) 摘要：以液体石蜡为囊芯材料，三聚氰胺尿素甲醛树B旨(MUF)为囊壁材料，采用原位聚合法制备MUF／石蜡微胶囊，探讨了 反应温度和搅拌速度对MUFf石蜡微胶囊的影响。随着反应温度增高，微胶囊囊壁厚度增大，调节微胶囊搅拌速度可以控制微 胶囊粒径。采用光学显微镜观察了微胶囊的形成过程，采用扫描电子显微镜和红外光谱表征了微胶囊表面形貌与化学结构，采 用DSC分析其储热性能特征，结果表明MUF／石蜡微胶囊强度好，封闭性能好，储能性能好，可以作为相变储能材料进行应用研 究。 关键词：微胶囊；相变材料；三聚氰胺改性脲醛树脂；石蜡 中图分类号：TE626．88 文献标识码：A 文章编号：1001—0017(2015)03—0159—05 and ofN代疆|ParaffmPhase Materials Characterization ChangeEnergyStorage Preparation NIZhuo，ZHOU andBM Fang-yu，CAIHong-huaJia--j’ian andChemwd (CollegeofChemistry Engineering,ShenzhenUniversity,Shenzhen518060,China) the as corematerialand resin(MUF)asthe shellmaterial。 Abstract：W油usingliquidparaffincapsule melamine-urea-formaldehydecapsule the Was insitu method．Theeffectsofreaction and ontheMUF／ MUF／paraffinmierecapsulepreparedby polymerization temperaturestirringspeed werediscussed．Withthe reaction shellof Was caPsule MUF／paraffinmicrocapsulesbecoming paraffinmicrecapsules increasingtemperature，the the couldcontrolthe sizeof formationofthe Wasobserved speed throughoptical thicker．Adjustingstirring particle microcapsule．The microcapsules surface andchemicalstructureof werecharacterized electron microscopy(OM)．Themorphology microcapsules throughscanning Fourier-transform characteristicofthermal Was DSCcurves．Theresultsshowed infrared spectroscopy(F