| 含氟丙烯酸酯改性聚氨酯核壳乳液的制备及表征 |
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| 引用本文： | 张明月,张晓亮,陈广美,黄毅萍,吴立霞.含氟丙烯酸酯改性聚氨酯核壳乳液的制备及表征[J].精细化工,2011,28(11):1041-1045,1074. |
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| 作者姓名： | 张明月 张晓亮 陈广美 黄毅萍 吴立霞 |
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| 作者单位： | 1. 安徽大学化学化工学院安徽省绿色高分子材料重点实验室,安徽合肥,230039
2. 安徽建筑工业学院材料与化学工程学院,安徽合肥,230601 |
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| 基金项目： | 安徽省自然科学基金（070414193） |
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| 摘 要： | 以双键封端水性聚氨酯为反应型高分子,全氟丁基磺酸钾为含氟乳化剂,实现甲基丙烯酸甲酯(MMA)、丙烯酸丁酯(BA)、甲基丙烯酸十二氟庚酯(G04)和聚氨酯的共聚,制备具有核壳结构的含氟丙烯酸酯改性聚氨酯乳液(FPUA)。傅里叶变换红外光谱(FTIR)和透射电子显微镜(TEM)对共聚物组成、乳胶粒的形态进行表征,并通过表面接触角、拉伸实验和热重分析等分别研究了FPUA胶膜的表面能、力学性能和热性能。结果表明,当含氟乳化剂和氟单体用量分别为单体总质量的0.15%和20%时,乳液稳定性好,聚合物胶膜表面能由45.6mN/m下降至22.5 mN/m,表现出良好的疏水疏油性,最大热失重速率温度由348℃提高至398℃。
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| 关 键 词： | 聚氨酯 含氟丙烯酸酯 乳液聚合 耐水性 功能材料 |
| 收稿时间： | 7/6/2011 12:00:00 AM |
| 修稿时间： | 9/4/2011 12:00:00 AM |
Synthesis and Characterization of Polyurethane Modified by Fluorinated Acrylate with Core-shell Structure |
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| Zhang Ming-yue,Zhang Xiao-liang,Chen Guang-mei,Huang Yi-ping and Wu Li-xia.Synthesis and Characterization of Polyurethane Modified by Fluorinated Acrylate with Core-shell Structure[J].Fine Chemicals,2011,28(11):1041-1045,1074. |
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| Authors: | Zhang Ming-yue Zhang Xiao-liang Chen Guang-mei Huang Yi-ping and Wu Li-xia |
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| Affiliation: | ZHANG Ming-yue1,CHEN Guang-mei2,ZHANG Xiao-liang1,WU Li-xia1,HUANG Yi-ping1* (1.Key Laboratory of Environment-Friendly Polymer Materials of Anhui Province,School of Chemistry and Chemical Engineering,Anhui University,Hefei 230039,Anhui,China,2.Department of Material and Chemical Engineering,Anhui Institute of Architecture and Industry,Hefei 230601,China) |
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| Abstract: | A series of FPUA hybrid emulsions with core-shell structure were synthesized from methyl methylacrylate(MMA),butyl acrylate(BA) and dodecafluoroheptyl methacrylate(G04),with the double-bond caped polyurethane as reactive macromolecule and potassium nonafluoro-1-butanesulfonate as fluorinated emulsifier.The structure of the copolymer was characterized by Fourier transform infrared spectrometer(FTIR) and the particle morphology of the hybrid emulsion latex was observed through transmission electron microscopy... |
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| Keywords: | polyurethane fluorinated acrylate emulsion polymerization water resistance functional materials |
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