用差示扫描量热法求微胶囊的壁材厚度  

Using differential scanning calorimetry (DSC) to obtain the thickness of microcapsule wall

作　　者：宋正红[1] 张志英[1] 董知之[1] 吴世臻[1] 王曙光[1] 

机构地区：[1]天津工业大学材料科学与化学工程学院,天津300160

出　　处：《天津工业大学学报》2006年第3期5-7,共3页Journal of Tiangong University

基　　金：天津市高等学校科研发展基金项目(20050511)

摘　　要：采用差示扫描量热(DSC)法对微胶囊的壁材厚度和含量进行计算．实验表明:对于在芯材发生相变的温度区间内壁材没有热效应的微胶囊,用熔融热和结晶热能够计算出微胶囊的壁材含量和厚度．用相变热得到的微胶囊的壁材厚度与显微镜测得的微胶囊的壁材厚度相一致．The content and the thickness of the microcapsule wall were obtained by using DSC analysis. The result shows that the content and the thickness of the microcapsule wall can be obtained by using the melting heat or the crys- tallization heat analysis in case that the wall materials is no heat effect in the temperature range of phase change of the core materials. The thickness obtained from the phase change heat is consistent with the one obtained from the optic microscope.

关 键 词：微胶囊 DSC 相变热 

分 类 号：TQ056.16[化学工程]