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Abstract:

The development of the dynamic glass transition in styrene-butadiene copolymers has been investigated by dielectric spectroscopy in the frequency range from 10-2 to 106 Hz. Two processes were detected and attributed to the α- and β-relaxations. The α relaxation time has a non-Arrhenius temperature behavior that is highly dependent on styrene content while the β relaxation time shows an Arrhenius behavior with an activation energy that is independent of styrene-content. Furthermore, the shape of the α-relaxation is strongly influenced by the styrene content while the shape of β-relaxation is not. We interpret these results as follows. The observed β-relaxation is primarily due to local motions of butadiene monomers and therefore not affected by the presence of styrene. The α-relaxation, on the other hand, is highly sensitive to the styrene content due to its cooperative character.

Registro:

Documento: Artículo
Título:Dielectric α- and β-relaxations in uncured styrene butadiene rubber
Autor:Cerveny, S.; Bergman, R.; Schwartz, G.A.; Jacobsson, P.
Filiación:Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Depto. Fisica, LPMPyMC, Pabellon 1, Buenos Aires, Argentina
Department of Experimental Physics, Chalmers University of Technology, SE-412 96 Göteborg, Sweden
Palabras clave:Arrhenius behavior; Dielectric spectroscopy; Styrene butadiene rubber; Activation energy; Chemical relaxation; Composition; Copolymers; Dielectric properties; Glass transition; Polybutadienes; Polystyrenes; Spectroscopic analysis; Rubber
Año:2002
Volumen:35
Número:11
Página de inicio:4337
Página de fin:4342
DOI: http://dx.doi.org/10.1021/ma010990o
Título revista:Macromolecules
Título revista abreviado:Macromolecules
ISSN:00249297
CODEN:MAMOB
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00249297_v35_n11_p4337_Cerveny

Referencias:

  • McCrum, N.G., Read, B.E., Williams, G., (1991) Anelastic and Dielectric Effects in Polymeric Solids, , Dover Publication: New York
  • McCrum, N.G., Read, B.E., Williams, G., (1997) Dielectric Spectroscopy of Polymeric Materials, Fundamentals and Applications, , Runt, J. P.; Fitzgerald, J. J., Eds.; American Chemical Society: Washington, DC
  • Johari, G.P., Goldstein, M., (1970) J. Chem. Phys., 53, p. 2372
  • Hofmann, A., Alegria, A., Colmenero, J., Willner, L., Buscaglia, E., Hadjichristidis, N., (1996) Macromolecules, 29, p. 129
  • Deegan, R.D., Nagel, S.R., (1995) Phys. Rev. B, 52, p. 5653
  • Zorn, R., Mopsik, F.I., McKenna, G.B., Willner, L., Richter, D., (1997) J. Chem. Phys., 107, p. 3645
  • Richter, D., Zorn, R., Farago, B., Frick, B., Fetters, L., (1992) J. Phys. Lett., 68, p. 71
  • Ritchter, D., Monkenbusch, M., Arbe, A., Colmenero, J., Farago, B., (1998) Physica B, 1005, pp. 241-243
  • Krajewski-Bertrand, M., Lauprete, F., (1996) Macromolecules, 29, p. 7616
  • Sirkar, A.K., (1997) Thermal Characterization in Polymeric Materials, , Turi, A., Ed.; Academic Press: California
  • Bartenev, G.M., Zelenev, J.V., (1964) J. Non-Cryst. Solids, 15, p. 294
  • Kohlrausch, R., (1847) Ann. Phys., 12, p. 393
  • Williams, G., Watts, D.C., (1970) Trans. Faraday Soc., 66, p. 80
  • Bergman, R., (2000) J. Appl. Phys., 88, p. 1356
  • Havriliak, S., Negami, S.J., (1966) Polym. Sci. Part C, 14, p. 99
  • Jonscher, A.K., (1975) Colloid Polym. Sci., 253, p. 231
  • Cole, R.H., Cole, K.S., (1942) J. Chem. Phys., 10, p. 98
  • Vogel, H., (1921) Phys. Z., 22, p. 645
  • Fulcher, G.S., (1925) J. Am. Chem. Soc., 8
  • Angell, G.A., (1997) J. Res. Natl. Inst. Stand. Technol., 102, p. 171
  • Böhmer, R., Ngai, K.L., Angell, C.A., Plazek, D.J., (1993) J. Chem. Phys., 99, p. 4201
  • Roland, C.M., Ngai, K.L., (1991) Macromolecules, 24, p. 5315
  • Roland, C.M., Ngai, K.L., (1992) Macromolecules, 25, p. 1844
  • Ngai, K.L., Roland, C.M., (1993) Macromolecules, 26, p. 6824
  • Hodge, I.M., (1996) J. Non-Cryst Solids, 202, p. 164
  • Gordon, M., Taylor, J.S., (1953) J. Appl. Chem., 2, p. 493
  • Donth, E., (1996) J. Polym. Sci. Part B: Polym. Phys., 34, p. 2881
  • White, J.L., Lee, N.S., (1990) Kautschuk Gummi Kunstst, 43, p. 482
  • Schöonhalss, A., Schlosser, E., (1989) Collec. Polym. Sci., 267
  • Shears, M.F., Williams, G., (1973) Trans. Faraday Soc., 69, p. 608
  • Wetton, R.E., (1978) Macromolecules, 11, p. 158
  • Miura, N., MacKnight, W.J., Matsuoka, S., Karasz, F.E., (2001) Polymer, 42, p. 6140
  • Blout, E.R., Mark, H., (1949) Select Values of Properties of Hydrocarbons, , Interscience Publishers Inc.: New York
  • Kahle, S., Korus, J., Hempel, E., Unger, R., Höring, S., Schröter, K., Donth, E., (1997) Macromolecules, 30, p. 214
  • Ngai, K.L., (1999) Macromolecules, 32, p. 7140

Citas:

---------- APA ----------
Cerveny, S., Bergman, R., Schwartz, G.A. & Jacobsson, P. (2002) . Dielectric α- and β-relaxations in uncured styrene butadiene rubber. Macromolecules, 35(11), 4337-4342.
http://dx.doi.org/10.1021/ma010990o
---------- CHICAGO ----------
Cerveny, S., Bergman, R., Schwartz, G.A., Jacobsson, P. "Dielectric α- and β-relaxations in uncured styrene butadiene rubber" . Macromolecules 35, no. 11 (2002) : 4337-4342.
http://dx.doi.org/10.1021/ma010990o
---------- MLA ----------
Cerveny, S., Bergman, R., Schwartz, G.A., Jacobsson, P. "Dielectric α- and β-relaxations in uncured styrene butadiene rubber" . Macromolecules, vol. 35, no. 11, 2002, pp. 4337-4342.
http://dx.doi.org/10.1021/ma010990o
---------- VANCOUVER ----------
Cerveny, S., Bergman, R., Schwartz, G.A., Jacobsson, P. Dielectric α- and β-relaxations in uncured styrene butadiene rubber. Macromolecules. 2002;35(11):4337-4342.
http://dx.doi.org/10.1021/ma010990o