An Advanced Class of Bio-Hybrid Materials: Bionanocomposites of Inorganic Clays and Organic Stereocomplex Polylactides
- An Advanced Class of Bio-Hybrid Materials: Bionanocomposites of Inorganic Clays and Organic Stereocomplex Polylactides
- Purba Purnama; 정영미; 김수현
- bio-hybrid materials; bionanocomposites; nanocomposites; polylactides; stereocomplex
- Issue Date
- Macromolecular materials and engineering
- VOL 298, NO 3, 263-269
- Bio-stereo nanocomposite polylactides are prepared by polymerization followed by stereocomplexation in scCO2/dichloromethane through in situ polymerization and master batch processes. The bio-stereo nanocomposite polylactides show intercalated-exfoliated and fully exfoliated nanoscale clay distribution in a perfect stereocomplex polylactide matrix. In situ polymerization proves better strategy to produce well-exfoliated silicate layers in the stereocomplex matrix compared to the MB route that increases the melting temperature by up to ≈64 °C. The thermal properties of these materials maintain both stereocomplex and nanocomposite features simultaneously. The results open a new and versatile way to develop polylactide-based materials.
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