Biodegradable polylactide/montmorillonite nanocomposites.
J Nanosci Nanotechnol
; 3(6): 503-10, 2003 Dec.
Article
em En
| MEDLINE
| ID: mdl-15002130
ABSTRACT
Our continuing research on the preparation, characterization, materials properties, and biodegradability of polylactide (PLA)/organically modified layered silicate (OMLS) nanocomposites has yielded results on PLA/montmorillonite nanocomposites. Montmorillonite (mmt) modified with dimethyldioctadecylammonium cation was used as an OMLS for nanocomposite preparation. The internal structure of nanocomposites on the nanometer scale was established with the use of wide-angle X-ray diffraction patterns and transmission electron micrographic observation. All nanocomposites exhibited significant improvement in crystallization behavior, mechanical properties, flexural properties, heat distortion temperature, and O2 gas permeability when compared with pure PLA.
Buscar no Google
Base de dados:
MEDLINE
Assunto principal:
Poliésteres
/
Bentonita
/
Materiais Biocompatíveis
/
Implantes Absorvíveis
/
Nanotecnologia
Tipo de estudo:
Evaluation_studies
Idioma:
En
Ano de publicação:
2003
Tipo de documento:
Article