New Polylactide/Layered Silicate Nanocomposites. 1. Preparation, Characterization, and Properties

✍ Scribed by Sinha Ray, Suprakas; Maiti, Pralay; Okamoto, Masami; Yamada, Kazunobu; Ueda, Kazue

• Book ID: 121366535
• Publisher: American Chemical Society
• Year: 2002
• Tongue: English
• Weight: 224 KB
• Volume: 35
• Category: Article
• ISSN: 0024-9297
• DOI: 10.1021/ma011613e

✦ Synopsis

New polylactide (PLA)/layered silicate nanocomposites have been prepared successfully by simple melt extrusion of PLA and organically modified montmorillonite. The d spacings of both the organically modified montmorillonite and intercalated nanocomposites were investigated by wide-angle X-ray diffraction (WAXD) analysis, and the morphology of these nanocomposites was examined by transmission electron microscopy (TEM). Using oligo( -caprolactone) (o-PCL) as a compatibilizer, the effect of compatibilizer in nanocomposites was investigated by focusing on two major aspects: morphological analysis and mechanical property measurements. The intercalated nanocomposites exhibited remarkable improvement of materials properties in both solid and melt states as compared to that of PLA matrices without clay.