| 硅烷改性氟代聚丙烯酸酯乳液的制备及其氟碳涂层表面性能 |
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| 引用本文： | 马丽. 硅烷改性氟代聚丙烯酸酯乳液的制备及其氟碳涂层表面性能[J]. 精细化工, 2011, 28(9): 915-919 |
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| 作者姓名： | 马丽 |
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| 作者单位： | 陕西科技大学教育部轻化工助剂化学与技术重点实验室,陕西西安,710021 |
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| 基金项目： | 陕西省科技厅重大科技专项13115项目（2010ZDKG-35）。 |
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| 摘 要： | 在阴/非离子表面活性剂作用下,将甲基丙烯酸十二氟庚酯(DFMA)与丙烯酸月桂酯(LA)、甲基丙烯酸羟丙酯(HPMA)及γ-甲基丙烯酰氧基丙基三甲氧基硅烷(MPMS)在水相进行乳液共聚,合成了一种硅烷改性氟代聚丙烯酸酯(DLHM)乳液。用红外光谱(IR)、核磁共振氢谱(1HNMR)和透射电镜(TEM)等对DLHM的结构及乳液的物化性能进行了表征和测定。再将DLHM乳液制备成氟碳涂层,考察温度、乳液用量对涂层表面性能的影响。结果表明,DLHM乳液具有核壳结构、平均粒径为131 nm、Zeta电位为-24.09 mV。当固化温度为150℃、乳液用量为25 g时,所得涂层性能最佳,与水的接触角达128°,表现出良好的拒水效果。
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| 关 键 词： | 氟代聚丙烯酸酯 乳液聚合 氟碳涂层 拒水 建筑用化学品 |
| 收稿时间： | 2011-05-16 |
| 修稿时间： | 2011-07-07 |
Preparation of silane modified fluorinated polyacrylate emulsion and its surface properties of nano-coatings |
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| MA Li. Preparation of silane modified fluorinated polyacrylate emulsion and its surface properties of nano-coatings[J]. Fine Chemicals, 2011, 28(9): 915-919 |
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| Authors: | MA Li |
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| Affiliation: | Shaanxi University of Science & Technology |
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| Abstract: | A fluorinated polyacrylate(DLHM) emulsion was prepared by copolymerization of dodecafluoroheptyl methacrylate(DFMA),lauryl acrylate(LA),2-hydroxypropyl methacrylate(HPMA) and 3-(methylacryloxyl)propyltri-methoxy silane(MPMS) in the presence of anionic/nonionic surfactants.The structure and physicochemical properties of DLHM were characterized by infrared spectrum(IR),1H-nuclear magnetic resonance(1HNMR) and transition electron microscopy(TEM).Then the DLHM emulsion was utilized to prepare the fluorocarbon c... |
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| Keywords: | fluorinated polyacrylate emulsion polymerization fluorocarbon coatings water repellency |
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