Artículos de revistas
Thermal, Mechanical And Electrochemical Behaviour Of Poly(vinyl Chloride)/ Polypyrrole Blends (pvc/ppy)
Registro en:
Polymer. , v. 37, n. 23, p. 5165 - 5170, 1996.
323861
10.1016/0032-3861(96)00339-4
2-s2.0-0030291763
Autor
Mano V.
Felisberti M.I.
Matencio T.
De Paoli M.-A.
Institución
Resumen
The conductivity, thermal, mechanical and electrochemical properties of poly(vinyl chloride)/polypyrrole blends are described in this paper. These blends were prepared by oxidative chemical polymerization of pyrrole, in the vapour phase, in PVC films impregnated with FeCl3. They were characterized by attenuated total reflectance FT i.r. spectra, differential scanning calorimetry and dynamic-mechanical analysis. Infrared reflectance spectra suggested that the polymerization occurs preferentially on the matrix surface producing sandwich-type structures. The mechanical, thermal and conducting behaviour showed a dependence on (1) initial concentration of FeCl3 in the matrix and (2) exposition time to pyrrole vapour. By cyclic voltammetry we observe that blends synthesized by oxidative chemical polymerization show electrochemical properties similar to blends prepared by electrochemical methods. Their conductivity varies from 10-4 to 10-1 S cm-1. Dynamic-mechanical analysis results suggest a certain degree of miscibility among the polymeric components of the blend. Copyright © 1996 Elsevier Science Ltd. 37 23 5165 5170 Diaz, A.F., Kanazawa, K.K., (1979) J. Chem. Soc., Chem. Commun., p. 635 Peres, R.C.D., Pernaut, J.M., De Paoli, M.-A., (1991) J. Polym. Sci.: Part A: Polym. Chem., 29, p. 225 De Paoli, M.-A., Waltman, R.J., Diaz, A.F., Bargon, J., (1985) J. Polym. Sci. Polym. Chem. Ed., 23, p. 1687 Bi, X., Pei, Q., (1987) Synth. Met., 22, p. 145 Chen, Y., Qian, R., Li, G., Li, Y., (1991) Polym. Commun., 32, p. 189 Zinger, B., Kijel, D., (1991) Synth. Met., 41-43, p. 1013 Wang, H.L., Toppare, L., Fernandez, J.E., (1990) Macromolecules, 23, p. 1053 Pron, A., Zagorska, M., Fabianovski, W., Raynor, J.B., Lefrant, S., (1987) Polym. Commun., 28, p. 193 Ueno, T., Arntz, H.-D., Flesch, S., Bargon, J., (1988) J. Macromol. Sci.-chem., A25, p. 1557 Kang, T.J., Miyata, S., Miyaki, T., (1993) Polym. Bull., 31, p. 593 Nakata, M., Kise, H., (1993) Polym. J., 25, p. 91 Olmedo, L., Hourquebie, P., Jousse, F., (1993) Adv. Mater., 5, p. 373 Ferreira, C.A., Aeiyach, S., Delamar, M., Lacaze, P.C., (1990) J. Electroanal. Chem., 284, p. 351 Niwa, O., Kakuchi, M., Tamamura, T., (1987) Macromolecules, 20, p. 749 Quintas, M.C., Mano, V., Felisberti, M.I., De Paoli, M.-A., (1992) Proc. Simposio Iberoamericano de Polimeros, p. 141. , Vigo Mano, V., Felisberti, M.I., De Paoli, M.-A., Macromolecules, , submitted Niwa, O., Kakuchi, M., Tamamura, T., (1987) Polym. J., 19, p. 1293 Mano, V., Felisberti, M.I., De Paoli, M.-A., (1993) Proc. 2° Congresso Brasileiro de Polimeros, p. 578. , São Paulo Abrantes, L.M., Mesquita, J.C., Kalaji, M., Peter, L.M., (1991) J. Electroanal. Chem., 307, p. 275 Diaz, A., (1981) Chem. Scripta, 17, p. 145 Uosaki, K., Okazaki, K., Kita, H., (1990) J. Polym. Sci, Polym. Chem. Ed., 28, p. 399 Diaz, A.F., Bargon, J., (1986) Handbook of Conducting Polymers, 1, p. 81. , Ed. T. A. Skothein, Marcel Dekker, New York