Obtention and characterization of scleroglucan films prepared by freeze-thawing cycling

N.J. FRANÇOIS; VIÑARTA S.C,; M.E. DARAIO; CASTELLANOS DE FIGUEROA, LUCÍA INÉS; FARIÑA J.I.

Mainz, Germany

Simposio; International Symposium Celebrating the 50th Anniversary of the Journal Polymer, “Frontiers in Polymer Science”; 2009

Journal Polymer

<!-- /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {mso-style-parent:""; margin:0cm; margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:12.0pt; font-family:"Times New Roman"; mso-fareast-font-family:"Times New Roman";} @page Section1 {size:612.0pt 792.0pt; margin:70.85pt 3.0cm 70.85pt 3.0cm; mso-header-margin:36.0pt; mso-footer-margin:36.0pt; mso-paper-source:0;} div.Section1 {page:Section1;} --> This study examined the effect of the freeze-thawing process on the physical properties of films prepared from scleroglucan hydrogels, which would be suitable for drug delivery applications (Viñarta et al., 2007). Scleroglucan films prepared from hydrogels by room temperature (RT) drying or freeze-thawing cyclic processing, were characterized by studies of water vapour transmission, swelling, ESEM microscopy and FTIR measurements in order to evaluate the physical properties of the resulting films