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Issue:
Preparation and characterization of microcapsule for paraffin
Author(s):
Li Wujun
,
Zhang Wei
,
Zhao Yang
,
Liao Leping
,
Xin Yi
Pages:
45
-
47
Year:
2011
Issue:
5
Journal:
New Chemical Materials
Keyword:
相变材料
;
原位聚合
;
脲醛树脂
;
微胶囊
;
Abstract:
利用一步原位聚合法,制备了以脲醛树脂为壁材的石蜡微胶囊.采用扫描电子显微镜、激光共聚焦显微镜和红外光谱分析技术表征了微胶囊的表面形貌和结构组成.使用差示扫描量热仪(DSC)考察了石蜡微胶囊的热性能.结果表明,石蜡被脲醛树脂成功包覆;石蜡微胶囊呈圆球状、包覆完整、分散均匀,粒径在100μm左右;表面粗糙,壁厚约为4μm,其相变温度为35.4℃.
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