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Synthesis of highly loaded and well-controlled magnetic beads via emulsion polymerization

机译:通过乳液聚合合成高负载和控制良好的磁珠

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摘要

Superparamagnetic iron oxide (SPIO) incorporated polystyrene beads of uniform size distribution (~170 nm) and high magnetic content (~40%) are synthesized by emulsion styrene polymerization in the presence of functionalized SPIO. The role of surface functionality on the polymerization process and SPIO incorporation is investigated by carrying out styrene emulsion polymerizations with different functionalities on SPIO. A unique combination of oleic acid and (2-acetoacetoxy) ethyl methacrylate as surface ligands for SPIO is used to attain the best magnetic beads.
机译:在功能化SPIO的存在下,通过乳液苯乙烯聚合法合成了尺寸分布均匀(〜170 nm)和高磁性含量(〜40%)的超顺磁性氧化铁(SPIO)聚苯乙烯珠。通过在SPIO上进行不同官能度的苯乙烯乳液聚合,研究了表面官能度在聚合过程和SPIO掺入中的作用。油酸和(2-乙酰乙酰氧基)甲基丙烯酸乙酯作为SPIO的表面配体的独特组合用于获得最佳磁珠。

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