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材料工程  2010 

蜜胺树脂/硬脂酸丁酯相变微胶囊的制备

Keywords: 硬脂酸丁酯,蜜胺树脂,微胶囊,相变

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Abstract:

以硬脂酸丁酯为芯材,蜜胺树脂为壁材,采用原位聚合法制备相变微胶囊。采用IR,ESEM及DSC对相变微胶囊进行了结构、形貌以及热性能表征,并讨论了乳化剂种类以及预聚体滴加速率对相变微胶囊形貌的影响。结果表明微胶囊呈球形,平均粒径小于10μm。乳化剂采用TA与司班-80复配,复配质量比为51,预聚体的滴加速率为0.8~1.2mL/min时微胶囊形貌最好。微胶囊相变潜热可达68.36J/g,并且相变微胶囊经反复发生相变过程,质量损失小,相变储热效果明显。

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