| 石蜡微胶囊的制备与表征 |
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| 引用本文： | 程远,揣成智.石蜡微胶囊的制备与表征[J].天津科技大学学报,2011,26(1):36-39. |
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| 作者姓名： | 程远 揣成智 |
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| 作者单位： | 天津科技大学材料科学与化学工程学院,天津,300457 |
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| 摘 要： | 以脲醛树脂为囊壁,氯化铵为固化剂,采用原位聚合法包覆了常温下为固体的石蜡,合成了相变储能微胶囊,运用偏光显微镜观察调酸过程中的微胶囊形成,傅里叶红外光谱仪分析微胶囊的化学结构,差示扫描量热仪研究微胶囊的储热性能,通过扫描电子显微镜表征微胶囊的表观形貌和微观状态.研究表明,该方法可有效包覆石蜡形成微胶囊,其形貌规则完整,...
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| 关 键 词： | 相变材料 微胶囊 脲醛树脂 热性能 |
Preparation and Characterization of Microencapsulated Paraffin |
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| CHENG Yuan,CHUAI Cheng-zhi.Preparation and Characterization of Microencapsulated Paraffin[J].Journal of Tianjin University of Science & Technology,2011,26(1):36-39. |
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| Authors: | CHENG Yuan CHUAI Cheng-zhi |
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| Institution: | CHENG Yuan,CHUAI Cheng-zhi(College of Material Science and Chemical Engineering,Tianjin University of Science & Technology,Tianjin 300457,China) |
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| Abstract: | Phase change microcapsules were synthesized by in-situ polymerization using ammonium chloride as curing agent and urea-formaldehyde resin as shell material while solid paraffin at room temperature as core material.The formation of the microcapsules during acidating process was observed using polarized microscopy.Chemical structures of the micro-capsule composition were analyzed by Fourier transform infrared spectroscopy.The ability of heat storage of the microcap-sules was studied through differential scann... |
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| Keywords: | phase change materials microcapsule urea-formaldehyde resin thermal property |
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