The Characterization of Polymer Microspheres Composited with Fe2O3 in Nano-Scale

Abstract

Abstract: Fe₂O₃ nanoparticles with diameter 3-5 um were encapsulated in polymer latexparticles. The size of the composite microspheres was 80 um. From IRspectra, the changesof absorption band on carbonyl groups indicated the strong interaction between Fe₂O₃ and thesurface groups of seed latex particles. According to Mdssbauer spectra, we were sure aboutthe core-shell structure of the inlayer microspheres from the changes of the electron densityand symmetry of the chemical environment around Fe₂O₃.

Key words: Fe₂O₃ composite polymer microspheres, Core-shell structure, IR spectra, Mossbauer spectra

CLC Number:

O631.6

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DU Hui, LIU Zhi-Qiang, LIU Feng-Qi, LI Tie-Jin, TANG Xin-Yi, XU Wei-Qing, WU Ying. The Characterization of Polymer Microspheres Composited with Fe₂O₃ in Nano-Scale[J]. Chem. J. Chinese Universities, 1997, 18(9): 1565.

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The Characterization of Polymer Microspheres Composited with Fe₂O₃ in Nano-Scale

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