Polylactide-Layered Silicate Nanocomposite: A Novel Biodegradable Material

Suprakas Sinha Ray, Kazunobu Yamada, Masami Okamoto, Kazue Ueda

Research output: Contribution to journalArticlepeer-review

443 Citations (Scopus)

Abstract

This letter describes the preparation, characterization, material properties, and biodegradability of polylactide (PLA)-layered silicate nanocomposite. Montmorillonite modified with trimethyl octadecylammonium cation was used as an organically modified layered silicate (OMLS) for the nanocomposite preparation. WAXD and TEM analyses respectively confirmed that silicate layers of the montmorillonite were intercalated and nicely distributed in the PLA-matrix. The material properties of neat PLA improved remarkably after nancomposite preparation. The biodegradability of the neat PLA and corresponding nanocomposite was studied under compost, and the rate of biodegradation of neat PLA increased significantly after nanocomposite preparation.

Original languageEnglish
Pages (from-to)1093-1096
Number of pages4
JournalNano Letters
Volume2
Issue number10
DOIs
Publication statusPublished - Oct 2002
Externally publishedYes

ASJC Scopus subject areas

  • Bioengineering
  • General Chemistry
  • General Materials Science
  • Condensed Matter Physics
  • Mechanical Engineering

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