Artículo

La versión final de este artículo es de uso interno de la institución.
Consulte el artículo en la página del editor
Consulte la política de Acceso Abierto del editor

Abstract:

A systematic study on changes in the volumes at macro- and nano-scale in epoxy systems cured with selected aminic hardeners at different pre-cure temperatures is presented. Free- and macroscopic specific-volumes were measured by PALS and pressure-volume-temperature techniques, respectively. An analysis of the relation existing between macro- and nano-scales of the thermosetting networks developed by the different chemical structures is shown. The result obtained indicates that the structure of the hardeners governs the packing of the molecular chains of the epoxy network. © 2006 Elsevier Ltd. All rights reserved.

Registro:

Documento: Artículo
Título:Volume changes at macro- and nano-scale in epoxy resins studied by PALS and PVT experimental techniques
Autor:Somoza, A.; Salgueiro, W.; Goyanes, S.; Ramos, J.; Mondragón, I.
Filiación:IFIMAT- UNCentro, Pinto 399, B7000GHG Tandil, Argentina
CICPBA, Pinto 399, B7000GHG Tandil, Argentina
LPMPyMC, Depto. de Física, Facultad de Ciencias Exactas y Naturales, Ciudad Universitaria, Pabellon I, 1428 Buenos Aires, Argentina
Materials+Technology Group, Departamento de Ingeniería Química y M. Ambiente, Escuela University Politécnica, Pz. Europa 1, 20018 Donostia/, San Sebastián, Spain
Palabras clave:Amines; Atmospheric pressure; Molecular dynamics; Nanostructured materials; Thermosets; Aminic hardeners; Chemical structures; Volume-temperature techniques; Epoxy resins; epoxy resin; article; chemical analysis; physical chemistry; pressure; temperature dependence
Año:2007
Volumen:76
Número:2
Página de inicio:118
Página de fin:122
DOI: http://dx.doi.org/10.1016/j.radphyschem.2006.03.025
Título revista:Radiation Physics and Chemistry
Título revista abreviado:Radiat. Phys. Chem.
ISSN:0969806X
CODEN:RPCHD
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0969806X_v76_n2_p118_Somoza

Referencias:

  • Dlubek, G., Bodarenko, V., Pionteck, J., Supej, M., Wutzler, A., Krause-Rehberg, R., Free volume in two differently plasticized poly(vinyl chloride)s: a positron lifetime and PVT study (2003) Polymer, 44, pp. 1921-1926
  • Goyanes, S., Rubiolo, G., Marzocca, A., Salgueiro, W., Somoza, A., Consolati, G., Mondragón, I., Yield and internal stresses in aluminum filled epoxy resin (2003) A compression test and positron annihilation analysis. Polymer, 44, pp. 3193-3199
  • Goyanes, S., Salgueiro, W., Somoza, A., Ramos, J.A., Mondragón, I., Direct relationships between volume variations at macro and nanoscale in epoxy systems (2004) PALS/PVT measurements. Polymer, 45, pp. 6691-6697
  • Jefrey, K., Pethrick, R., Influence of chemical structure on free volume in epoxy resins: A positron annihilation (1994) Eur. Polym. J., 30, pp. 153-158
  • Maurer, F.H.J., Schmidt, M., Some remarks on the relation between free-volume fractions and ortho-positronium lifetimes in amorphous polymers (2000) Radiod. Phys. Chem., 58, pp. 509-512
  • Mayr, A.E., Cook, W.D., Edward, G.H., Yielding behaviour in model epoxy thermosets-I. Effect of strain rate and composition (1998) Polymer, 39, pp. 3719-3724
  • Sindt, O., Perez, J., Gerard, J.F., Molecular architecture-mechanical behaviour relationships in epoxy networks (1996) Polymer, 37, pp. 2989-2997
  • Soles, C.L., Chang, F., Bolan, A., Hristov, H.A., Gidley, D., Yee, A.F., Contributions of the nanovoid structure to the moisture absorption properties of epoxy resins (1998) J. Polym. Sci. Part B: Polym. Phys., 36, pp. 3035-3048
  • Wang, B., Gong, W., Liu, W.H., Wang, Z.F., Qi, N., Li, X.W., Li, S.J., Influence of physical aging and side group on the free volume of epoxy resins probed by positron (2003) Polymer, 44, pp. 4047-4052
  • Yang, L., Hristov, H.A., Yee, A.F., Gidley, D.W., Bauchiere, D., Halary, J.L., Monnerie, L., Changes of the hole volume in model epoxy networks (1995) Polymer, 36, pp. 3997-4003

Citas:

---------- APA ----------
Somoza, A., Salgueiro, W., Goyanes, S., Ramos, J. & Mondragón, I. (2007) . Volume changes at macro- and nano-scale in epoxy resins studied by PALS and PVT experimental techniques. Radiation Physics and Chemistry, 76(2), 118-122.
http://dx.doi.org/10.1016/j.radphyschem.2006.03.025
---------- CHICAGO ----------
Somoza, A., Salgueiro, W., Goyanes, S., Ramos, J., Mondragón, I. "Volume changes at macro- and nano-scale in epoxy resins studied by PALS and PVT experimental techniques" . Radiation Physics and Chemistry 76, no. 2 (2007) : 118-122.
http://dx.doi.org/10.1016/j.radphyschem.2006.03.025
---------- MLA ----------
Somoza, A., Salgueiro, W., Goyanes, S., Ramos, J., Mondragón, I. "Volume changes at macro- and nano-scale in epoxy resins studied by PALS and PVT experimental techniques" . Radiation Physics and Chemistry, vol. 76, no. 2, 2007, pp. 118-122.
http://dx.doi.org/10.1016/j.radphyschem.2006.03.025
---------- VANCOUVER ----------
Somoza, A., Salgueiro, W., Goyanes, S., Ramos, J., Mondragón, I. Volume changes at macro- and nano-scale in epoxy resins studied by PALS and PVT experimental techniques. Radiat. Phys. Chem. 2007;76(2):118-122.
http://dx.doi.org/10.1016/j.radphyschem.2006.03.025