在微波辐射下,采用细乳液聚合方法,合成了稳定的含氟丙烯酸酯(FA)、甲基丙烯酸甲酯(MMA)及丙烯酸丁酯(BA)三元共聚乳液.利用FT-IR表征了共聚物的结构组成;采用激光光散射粒度仪(PCS)研究了聚合过程中粒径变化;用称量法测定了转化率;用透射电子显微镜(TEM)观察了乳胶粒的形貌.结果表明,油溶性引发剂AIBN引发FA-MMA-BA三元细乳液共聚合的主要成核场所为单体液滴;所制得的乳胶粒呈球形,平均粒径为72 nm～98 nm;微波的引用能够加快反应速率,提高单体转化率,且制得的细乳液离心稳定性更好;耐水性随氟单体含量增加而提高.
参考文献
| [1] | Wang JG.;Ober CK.;Krammer EJ.;Mao GP. .LIQUID CRYSTALLINE, SEMIFLUORINATED SIDE GROUP BLOCK COPOLYMERS WITH STABLE LOW ENERGY SURFACES - SYNTHESIS, LIQUID CRYSTALLINE STRUCTURE, AND CRITICAL SURFACE TENSION[J].Macromolecules,1997(7):1906-1914. |
| [2] | B.Ameduri;B.Boutevin .Copolymerization of fluorinated monomers:recent developments and future trends[J].Journal of Fluorine Chemistry,2000(1):53-62. |
| [3] | Zhang QH;Zhan XL;Chen FQ .Miniemulsion polymerization of a fluorinated acrylate copolymer: Kinetic studies and nanolatex morphology characterization[J].Journal of Applied Polymer Science,2007(1):641-647. |
| [4] | Hoogenboom R;Schubert US .Microwave-assisted polymer synthesis: Recent developments in a rapidly expanding field of research[J].Macromolecular rapid communications: Publishing the newsletters of the European Polymer Federation,2007(4):368-386. |
| [5] | Jieai Li;Xiulin Zhu;Jian Zhu .Microwave-assisted nitroxide-mediated miniemulsion polymerization of styrene[J].Radiation Physics and Chemistry,2007(1):23-26. |
| [6] | Holtze C;Tauer K .Surviving radicals: Promises of a microwave effect on miniemulsion polymerization for technical processes[J].Macromolecular rapid communications: Publishing the newsletters of the European Polymer Federation,2007(4):428-436. |
| [7] | 唐业仓,罗时忠,傅中,邵明望,孙益民.微波辐照下无皂阳离子聚（St-MMA）高分子纳米粒子的制备和表征[J].高分子学报,2003(06):887-890. |
| [8] | 赵兴顺,丁小斌,张军华,郑朝晖,潘毅,朱珠,彭宇行.含氟丙烯酸酯共聚乳液及其膜表面特性的研究[J].高分子学报,2004(02):196-200. |
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