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

Kniajanski, Sergei; Colborn, Robert E.; Bales, Brian C.; Riccobono, O; Dulgar-Tulloch, Aaron; Stein, Judith A.; Kandapallil, Binil

doi:10.1002/app.38857

Cited by 1 publication

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References 28 publications

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“…successfully incorporated superparamagnetic iron oxide (SPIO) into polystyrene beads by emulsion polymerization of styrene in the presence of functionalized SPIO. The synthesized polystyrene particles have a uniform size distribution (∼170 nm) and high magnetic content (∼40%) …”

Section: Introductionmentioning

confidence: 99%

Synthesis of polyacrylonitrile/polystyrene latex particles that contain platinum

Yang

Daniels

Klein

2015

J of Applied Polymer Sci

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Studies on the incorporation of highly dispersed platinum (Pt) nanoparticles into proton-exchange membrane fuel cells (PEMFC) as a possible catalyst have gained tremendous attention in the past decade. The major obstacle to fully commercialize PEMFCs is the high cost of Pt as the catalyst. In this study, the incorporation of highly dispersed platinum molecules into poly(acrylonitrile) (PAN) or polystyrene (PS)/PAN latex particles was carried out to form a possible a catalyst precursor for fuel-cell applications. Pt-containing PAN/PS particles were prepared using miniemulsion polymerization. Both transmission electron microscopy (TEM) and induction coupled plasma (ICP) measurements indicated that Pt salt was encapsulated into PAN/PS copolymer latex particles. In addition, the encapsulation percentages of Pt salt are all above 90% for different PAN/PS ratios. Additional experiments have been carried out to convert these Pt molecules into nanoparticles and will be elaborated upon subsequent studies.

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Section: Introductionmentioning

confidence: 99%