Dépôt numérique

Effectiveness of silane monomer on chitosan films and PCL-based tri-layer films

Sharmin, Nusrat; Khan, Ruhul A.; Salmieri, Stéphane; Dussault, Dominic et Lacroix, Monique ORCID logoORCID: https://orcid.org/0000-0002-2042-4033 (2012). Effectiveness of silane monomer on chitosan films and PCL-based tri-layer films Journal of Applied Polymer Science , vol. 125 , nº 1. pp. 224-232. DOI: 10.1002/app.35477.

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Chitosan films were prepared by casting from its 1% (w/w) solution. Tensile strength (TS), tensile modulus (TM), and elongation at break (Eb%) of chitosan films were found to be 30 MPa, 450 MPa, and 8%, respectively. Silane monomer (3-aminopropyl tri-methoxy silane) (17%, w/w) was added into the chitosan solution (1%, w/w), and films were casted. The highest TS (38 MPa) and TM (620 MPa) values were found at 5% (w/w) silane content films. Polycaprolactone (PCL) films were prepared by compression molding; the values of TS, TM, and Eb of PCL films were found to be 12 MPa, 226 MPa, and 70%, respectively. Using chitosan and silane containing chitosan films, PCL-based tri-layer films were prepared by compression molding. Chitosan (also silane-incorporated chitosan) content in the tri-layer films varied from 10 to 50% by weight. The values of TS and TM of the silane containing composites were found to be 21 and 410 MPa, respectively, which is significantly higher (40% TS and 34% TM) than control composites. Molecular interactions due to silane addition were supported by FT-IR analysis. The surface of the films and the interface of the tri-layer films were investigated by scanning electron microscope (SEM).

Type de document: Article
Mots-clés libres: chitosan; PCL; biodegradable films; silane; packaging materials
Centre: Centre INRS-Institut Armand Frappier
Date de dépôt: 09 mars 2024 18:04
Dernière modification: 09 mars 2024 18:04
URI: https://espace.inrs.ca/id/eprint/14090

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