| 包覆石油醚的脲醛微胶囊的制备 |
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| 引用本文： | 陶新,伍林,汪冬,占悦,张志英,程正载,易德莲.包覆石油醚的脲醛微胶囊的制备[J].高分子材料科学与工程,2009(2):160-163. |
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| 作者姓名： | 陶新 伍林 汪冬 占悦 张志英 程正载 易德莲 |
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| 作者单位： | 湖北省煤转化与新型炭材料重点实验室;武汉科技大学应用化学研究所; |
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| 摘 要： | 以脲醛树脂为壁材,石油醚为芯材,通过原位聚合法制备微胶囊。利用光学显微镜(OM)、气相色谱(GC)、红外光谱(FT-IR)、差示扫描量热法(DSC)和热重分析法(TGA)等手段研究了芯壁材质量比、乳化剂用量、搅拌速率对微胶囊表面形态和性能的影响。结果表明,当芯壁材质量比为0.8∶1,乳化剂十二烷基苯磺酸钠(SDBS)用量为7%,搅拌速度控制在600 r/min时,得到的微胶囊产率为81.14%,形态较好,平均粒径为50μm,在200℃时失重率为14%。
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| 关 键 词： | 原位聚合 微胶囊 脲醛预聚体 石油醚 |
Preparation of Poly(Urea-Formaldehyde) Microcapsules Filled with Epoxy Resins |
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| TAO Xin,WU Lin,WANG Dong,ZHAN Yue ZHANG Zhi-ying,CHENG Zheng-zai,YI De-lian.Preparation of Poly(Urea-Formaldehyde) Microcapsules Filled with Epoxy Resins[J].Polymer Materials Science & Engineering,2009(2):160-163. |
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| Authors: | TAO Xin WU Lin WANG Dong ZHAN Yue ZHANG Zhi-ying CHENG Zheng-zai YI De-lian |
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| Affiliation: | 1.Key Laboratory for Coal Conversion and New Carbon Materials of Hubei Province;Wuhan 430081;China;2.Applied Chemistry Research Institute;Wuhan University of Science and Technology;China |
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| Abstract: | The microcapsules were prepared by in-situ polymerization technology with poly (urea-formaldehyde)(PUF) as shell material,petroleum ether as core material.The effects of different core shell material ratios,emulsifier dosages and agitation rates on the surface morphology and other properties of microcapsules were investigated by using optical microscopy(OM),gas chromatography(GC),Fourier-transform infrared spectroscopy(FT-IR),differential scanning calorimetry(DSC) and thermogravimetric analysis(TGA).Optimum... |
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| Keywords: | in-situ polymerization microcapsule poly(ureaformaldehyde) petroleum ether |
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