Synthesis of highly loaded and well-controlled magnetic beads via emulsion polymerization
Sergei Kniajanski
General Electric Global Research Center, 1 Research Circle, Niskayuna, NY 12309
Search for more papers by this authorRobert E. Colborn
General Electric Global Research Center, 1 Research Circle, Niskayuna, NY 12309
Search for more papers by this authorBrian C. Bales
General Electric Global Research Center, 1 Research Circle, Niskayuna, NY 12309
Search for more papers by this authorOrrie Riccobono
General Electric Global Research Center, 1 Research Circle, Niskayuna, NY 12309
Search for more papers by this authorAaron J. Dulgar-Tulloch
General Electric Global Research Center, 1 Research Circle, Niskayuna, NY 12309
Search for more papers by this authorJudith Stein
General Electric Global Research Center, 1 Research Circle, Niskayuna, NY 12309
Search for more papers by this authorCorresponding Author
Binil I. I. Kandapallil
General Electric Global Research Center, 1 Research Circle, Niskayuna, NY 12309
General Electric Global Research Centre, 1 Research Circle, Niskayuna, 12309===Search for more papers by this authorSergei Kniajanski
General Electric Global Research Center, 1 Research Circle, Niskayuna, NY 12309
Search for more papers by this authorRobert E. Colborn
General Electric Global Research Center, 1 Research Circle, Niskayuna, NY 12309
Search for more papers by this authorBrian C. Bales
General Electric Global Research Center, 1 Research Circle, Niskayuna, NY 12309
Search for more papers by this authorOrrie Riccobono
General Electric Global Research Center, 1 Research Circle, Niskayuna, NY 12309
Search for more papers by this authorAaron J. Dulgar-Tulloch
General Electric Global Research Center, 1 Research Circle, Niskayuna, NY 12309
Search for more papers by this authorJudith Stein
General Electric Global Research Center, 1 Research Circle, Niskayuna, NY 12309
Search for more papers by this authorCorresponding Author
Binil I. I. Kandapallil
General Electric Global Research Center, 1 Research Circle, Niskayuna, NY 12309
General Electric Global Research Centre, 1 Research Circle, Niskayuna, 12309===Search for more papers by this authorAbstract
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. © 2012 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2013
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