Synthesis of Monodispersed Magnetic Polymer Particle

균일한 자성 고분자 입자의 합성

  • Ahn, Byung Hyun (Division of Material Engineering, Pukyong National University)
  • 안병현 (부경대학교 신소재공학부)
  • Received : 2008.03.24
  • Accepted : 2008.05.14
  • Published : 2008.06.10

Abstract

Monodispersed particles of poly(styrene-co-4-vinylpyridine), poly(st-co-4vp) were prepared by soapless emulsion polymerization. Iron oxide was formed on the surface and inside of the poly(st-co-4vp) particles by thermal decompostion of iron pentacarbonyl. The obtained magnetic poly(st-co-4vp) particles was mondispersed and the average size was 250 nm. The magnetic poly(st-co-4vp) particles had 14% of iron oxide, which was identified as $Fe_3O_4$ by XRD. The magnetic poly(st-co-4vp) particles had superparamagnetism according to superconducting susceptometer (SQUID).

Acknowledgement

Supported by : 부경대

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