An advanced class of bio-hybrid materials: Bionanocomposites of inorganic clays and organic stereocomplex polylactides

Purba Purnama, Youngmee Jung, Soo Hyun Kim

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

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. An advanced class of bio-hybrid material was developed and named bio-stereo nanocomposite polylactide. These novel polylactide-based materials consist of intercalated-exfoliated and fully exfoliated clay distributions in a crystalline stereocomplex polylactide. The bio-stereo nanocomposite polylactide possesses unique properties that contain both stereocomplex and nanocomposite features.

Original languageEnglish
Pages (from-to)263-269
Number of pages7
JournalMacromolecular Materials and Engineering
Volume298
Issue number3
DOIs
Publication statusPublished - 2013 Mar 1
Externally publishedYes

Fingerprint

Hybrid materials
Nanocomposites
Clay
Polymerization
Dichloromethane
Silicates
Melting point
clay
poly(lactide)
Methylene Chloride
Thermodynamic properties
Crystalline materials

Keywords

  • bio-hybrid materials
  • bionanocomposites
  • nanocomposites
  • polylactides
  • stereocomplex

ASJC Scopus subject areas

  • Organic Chemistry
  • Materials Chemistry
  • Polymers and Plastics
  • Chemical Engineering(all)

Cite this

An advanced class of bio-hybrid materials : Bionanocomposites of inorganic clays and organic stereocomplex polylactides. / Purnama, Purba; Jung, Youngmee; Kim, Soo Hyun.

In: Macromolecular Materials and Engineering, Vol. 298, No. 3, 01.03.2013, p. 263-269.

Research output: Contribution to journalArticle

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