Title :
Electrical behavior of PU/POMA blends
Author :
Kanda, D.H.F. ; Malmonge, J.A. ; Alves, W.F. ; Malmonge, L.F.
Author_Institution :
Depto de Engenharia, UNESP, Sao Paulo, Brasil
Abstract :
The incorporation of conducting polymer into a conventional polymer matrix has received attention because of the possibility of combining the good processability and mechanical performance of the conventional polymer with the electrical and optical properties of conducting polymer. In this work, flexible films of polyurethane (PU) and poly(o-metoxyaniline) (POMA) blends were obtained by casting and investigated using thermally stimulated depolarisation current (TSDC) measurements. Two relaxation peaks were found in the range of -20°C to 90°C. The first one at T=24°C was attributed as α relaxation associated to the glass transition of PU/POMA blend and the second one located at T=60°C can be attributed to space charge.
Keywords :
casting; conducting polymers; glass transition; polymer blends; space charge; thermally stimulated currents; α relaxation; 24 C; 60 C; PU-POMA blends; casting; conducting polymer; conventional polymer matrix; electrical behavior; electrical properties; glass transition; optical properties; poly(o-metoxyaniline) blends; polyurethane blends; relaxation peaks; space charge; thermally stimulated depolarisation current; Casting; Current measurement; Glass; Mechanical factors; Optical films; Optical filters; Optical polymers; Polarization; Stimulated emission; Temperature control;
Conference_Titel :
Electrets, 2005. ISE-12. 2005 12th International Symposium on
Print_ISBN :
0-7803-9116-0
DOI :
10.1109/ISE.2005.1612383
