Otro
Optically transparent membrane based on bacterial cellulose/ polycaprolactone
Registro en:
Polimeros, v. 23, n. 1, p. 135-138, 2013.
0104-1428
10.1590/S0104-14282013005000018
S0104-14282013005000018
WOS:000324437900022
2-s2.0-84877144270.pdf
2-s2.0-84877144270
Autor
Barud, H. S.
Ribeiro, Sidney José Lima
Carone, C. L P
Ligabue, R.
Einloft, Sandra
Queiroz, P. V S
Borges, A. P B
Jahno, V. D.
Resumen
Optically transparent membranes from bacterial cellulose (BC)/polycaprolactone (PCL) have been prepared by impregnation of PCL acetone solution into dried BC membranes. UV-Vis measurements showed an increase on transparency in BC/PCL membrane when compared with pristine BC. The good transparency of the BC/PCL can be related to the presence of BC nanofibers associated with deposit of PCL nano-sized spherulites which are smaller than the wavelength of visible light and practically free of light scattering. XRD results show that cellulose type I structure is preserved inside the BC/PCL membrane, while the mechanical properties suggested indicated that PCL acts as a plasticizer for the BC membrane. The novel BC/PCL membrane could be used for preparation of fully biocompatible flexible display and biodegradable food packaging.