Calorimetric study of the system clorhydrate of chitosan/glutaraldehyde(1,5-pentanedial)

✍ Scribed by F. Fraga; J. Blanco; A. Luzardo; L. Leira; E. Rodríguez-Núñez; J. M. Martínez-Ageitos; C. Castro-Díaz

• Publisher: John Wiley and Sons
• Year: 2006
• Tongue: English
• Weight: 72 KB
• Volume: 100
• Category: Article
• ISSN: 0021-8995
• DOI: 10.1002/app.23150

✦ Synopsis

Abstract

The reaction of glutaraldehyde with primary amino groups of chitosan produces covalent crosslinking in a matricial microsphere formulation. The influence of the crosslinking times on the calorimetric parameters (glass transition temperatures, enthalpy, and endothermic peak) of the system clorhydrate of chitosan/glutaraldehyde (1,5‐pentanedial) was studied using differential scanning calorimetry in dynamic mode. Using Kissinger′s method, the activation energies for the water remaining process were obtained without a precise knowledge of the reaction mechanism from the experimental endothermic peaks. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 100: 3297–3301, 2006