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The effect of PVP-b-PMAA block copolymer on morphologies control of calcium carbonate

Colloid and Polymer Science, ISSN: 0303-402X, Vol: 286, Issue: 10, Page: 1135-1141
2008
  • 15
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  • 15
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Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    15
    • Citation Indexes
      15
  • Captures
    15

Article Description

A novel double-hydrophilic block copolymer (DHBC) poly(vinyl pyrrolidone)-block-poly(methacrylic acid) (PVP-b-PMAA) was synthesized via reversible addition-fragmentation chain transfer polymerization. The structure of the resulting copolymer was characterized by H nuclear magnetic resonance, and the molecular weight of the block copolymer was determined by gel permeation chromatography. The study of morphological control of calcium carbonate (CaCO) has been performed in the presence of the PVP-b-PMAA block copolymer. Various morphologies of CaCO particles such as rhombohedral, multilayered, and aggregated with cavities can be produced by varying the copolymer concentrations. The all-obtained CaCO particles were calcite, which was confirmed by either X-ray diffraction or Fourier transform infrared spectra. Such calcium carbonate/polymer hybrids with complex morphologies may find valuable applications in biomimic mineralization. © Springer-Verlag 2008.

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