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Self-catalyzed surface grafting of MnO nanoparticles with polylactide and its magnetic properties

Journal of Polymer Research, ISSN: 1572-8935, Vol: 25, Issue: 1
2018
  • 4
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  • 9
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  • Citations
    4
  • Captures
    9
  • Social Media
    1
    • Shares, Likes & Comments
      1
      • Facebook
        1

Article Description

Magnetic properties of nanoparticles are size dependent and surface grafting of nanoparticles not only prevents their agglomeration but can also lead to effective domains separation. Present study deals with the synthesis of manganese oxide nanoparticles (< 5 nm) by microwave assisted solvothermal process and its grafting with poly L-lactic acid by a self-catalyzed ring opening polymerization of L-lactide. The MnO nanoparticles and MnO/PLLA nanocomposite were characterized by many analytical techniques such as FT-IR, TEM, H NMR, C NMR, XRD, XPS, TGA and DSC etc. The magnetic properties of nanoparticles and nanocomposites were studied using VSM and SQUID showed marked shift in magnetic behavior of MnO nanoparticles which were super paramagnetic, on coating with PLLA.

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