Ternary composites consisting of polyoxymethylene, polyurethane (PU), and boehmite alumina were produced by melt blending with and with out latex precompounding. The latex precompounding served to predisperse the alumina particles. The related advanced masterbatch (MBa) was produced by mixing the PU latex with the water-dispersible boehmite alumina. The dispersion of alumina and rubber particles was studied by using the scanning electron micros copy. The creep properties of the composites were determined from results of long- and short-term creep tests (per formed at various temperatures). The composites produced by the MBa technique out performed those made by direct melt compounding with respect to most of creep characteristics. The Findley power law was found to be fairly applicable to the experimental results obtained. Master curves (strain vs. time) were also constructed by employing the time-temperature super position principle.
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References
C. J. G. Plummer, P. Scaramuzzino, H.-H. Kausch, and J.-M. Philippoz, “High-temperature slow crack growth in polyoxymethylene,” Polym. Eng. Sci., 40, 1306–1317 (2000).
T. Sukhanova, V. Bershtein, M. Keating, G. Matveeva, M. Vylegzhanina, V. Egorov, N. Peschanskaya, P. Yakushev, E. Flexman, S. Greulich, B. Sauer, and K. Schodt, “Morphology and properties of poly(oxymethylene) engineering plastics,” Macromol. Sympos., 214, 135–145 (2004).
A. J. Lesser, “Effective volume changes during fatigue and fracture of polyacetal,” Polym. Eng. Sci., 36, 2366–2374 (1996).
J. Karger-Kocsis and Z. Zhang, in: G. H. Michler and F. J. Balta-Calleja (eds.), Mechanical Properties of Polymers Based on Nanostructure and Morphology, Ch. 13, CRC Press, Boca Raton, FL, USA (2005), pp. 553–602.
S. Siengchin, J. Karger-Kocsis, and R. Thomann, “Alumina-filled polystyrene micro- and nanocomposites prepared by melt mixing with and with out latex precompounding: structure and properties,” J. Appl. Polym. Sci., 105, 2963–2972 (2007).
J. Karger-Kocsis, “Water-mediated dispersion of “nanofillers” in thermoplastics: Is it the right way?” eXPRESS Polym. Lett., 2, 312 (2008).
J. L. Yang, Z. Zhang, A. K. Schlarb, and K. Friedrich, “On the characterization of tensile creep resistance of polyamide 66 nanocomposites. Pt. II. Modeling and prediction of long-term performance,” Polymer, 47, 6745–6758 (2006).
S. Siengchin and J. Karger-Kocsis, “Creep behaviour of polystyrene/fluorohectorite micro- and nanocomposites,” Macromol. Rapid Commun., 27, 2090–2094 (2006).
D. P. N. Vlasveld, H. E. N. Bersee, and S. J. Picken, “Creep and physical aging behaviour of PA6 nanocomposites,” Polymer, 46, 12539–12545 (2005).
O. Starkova, J. L. Yang, and Z. Zhang, “Application of time-stress super position to the nonlinear creep of polyamide 66 filled with nanoparticles of various sizes,” Compos. Sci. Technol., 67, 2691–2698 (2007).
W. N. Findley, J. S. Lai, and K. Onaran, Creep and Relaxation of Nonlinear Viscoelastic Materials, Dover Publ. Inc., New York (1989).
J. D. Ferry, Viscoelastic Properties of Polymers, Wiley, New York (1980).
J. L. Yang, Characterization, Modelling and Prediction of the Creep Resistance of Polymer Nanocomposites, Dissertation, University of Kaiserslautern, IVW Verlag 72 (2006).
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Russian translation published in Mekhanika Kompozitnykh Materialov, Vol. 45, No. 4, pp. 605–614, July–August, 2009.
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Siengchin, S. Long- and short-term creep of polyoxymethylene/polyurethane/alumina ternary composites by comparison. Mech Compos Mater 45, 415–422 (2009). https://doi.org/10.1007/s11029-009-9091-8
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DOI: https://doi.org/10.1007/s11029-009-9091-8