Journal of Materials Science

, Volume 29, Issue 4, pp 1109–1114 | Cite as

Study of blends based on recycled polyethylene wastes

Part I Variation of mechanical properties with composition
  • D. R. Rueda
  • F. J. Baltá-Calleja
  • A. Viksne
  • L. Malers


Data covering the physical properties of molten and solid samples of two binary blends of recycled polyethylene wastes, in a wide range of compositions, are reported. While some properties (density, fusion enthalpy) show a linear behaviour with composition other properties (microhardness, yield stress) show a deviation from linearity. Deviation of microhardness additivity of the single components has been interpreted, after analysis of the DSC thermograms, as being due to segregation and recombination of molecular species from both components during crystallization. It is also suggested that the presence of a high oxidation in one low-density polyethylene component, detected by infrared spectroscopy, influences the very low values observed for the melt flow index and melt elongation at break.


Oxidation Polymer Crystallization Enthalpy Recombination 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.


  1. 1.
    R. J. Ehring, (ed.), “Plastics Recycling” (Hanser, Munich, 1992) p. 93.Google Scholar
  2. 2.
    C. Llop and A. Perez, Macromol. Symp. 57 (1992) 115.CrossRefGoogle Scholar
  3. 3.
    M. Gibbs, Plast. Eng. 46(7) (1990) 57.Google Scholar
  4. 4.
    P. J. Phillips, in Proceedings of International Polymer Physics Symposium (Prof. J. D. Hoffman's 70th Birthday), Washington, DC, May 1993, p. 5.Google Scholar
  5. 5.
    B. H. Clampitt, Anal. Chem. 35 (1963) 577.CrossRefGoogle Scholar
  6. 6.
    F. J. Baltá-Calleja, Coll. Polym. Sci. 254 (1976) 258.CrossRefGoogle Scholar
  7. 7.
    Idem, Adv. Polym. Sci. 66 (1985) 117.CrossRefGoogle Scholar
  8. 8.
    D. R. Rueda, F. J. Baltá-Calleja, J. Garcia-Peña, I. M. Ward and A. Richardson, J. Mater. Sci. 19 (1984) 2615.CrossRefGoogle Scholar
  9. 9.
    D. R. Rueda, R. K. Bayer, F. J. Baltá-Calleja and H. G. Zachmann, J. Macromol. Sci. Phys. B28 (1989) 265.Google Scholar
  10. 10.
    F. J. Baltá-Calleja, C. Santa Cruz and T. Asano, J. Polym. Sci. Polym. Phys. 31 (1993) 557.CrossRefGoogle Scholar
  11. 11.
    J. Martínez Salazar and F. J. Baltá-Calleja, J. Mater. Sci. Lett. 4 (1985) 324.CrossRefGoogle Scholar
  12. 12.
    J. Martínez Salazar, J. M. G. Tijero and F. J. Baltá-Calleja, J. Mater. Sci. 23 (1988) 862.CrossRefGoogle Scholar
  13. 13.
    F. J. Baltá-Calleja, C. Santa Cruz, C. Sawatari and T. Asano, Macromolecules 23 (1990) 5352.CrossRefGoogle Scholar
  14. 14.
    D. R. Rueba, A. Viksne, L. Malers, F. J. Baltá-Calleja, to be published.Google Scholar
  15. 15.
    D. Tabor, “Gases, Liquids and Solids”, 2nd Edn (Cambridge University Press, Cambridge, 1969) p. 188.Google Scholar
  16. 16.
    B. H. Clampitt, J. Polym. Sci. A 3 (1965) 671.Google Scholar
  17. 17.
    L. J. Bellamy, “Infrared Spectroscopy of Complex Molecules” (Methuen, London, 1958) p. 161.Google Scholar
  18. 18.
    F. J. Baltá-Calleja, J. Martínez Salazar, H. Cackovic and J. Loboda, J. Mater. Sci. 16 (1981) 739.CrossRefGoogle Scholar
  19. 19.
    M. Sánchez-Cuesta, PhD thesis, University Complutense Madrid (1991).Google Scholar

Copyright information

© Chapman & Hall 1994

Authors and Affiliations

  • D. R. Rueda
    • 1
  • F. J. Baltá-Calleja
    • 1
  • A. Viksne
    • 2
  • L. Malers
    • 2
  1. 1.Instituto de Estructura de la MateriaCSICMadridSpain
  2. 2.Riga Technical UniversityRigaLatvia

Personalised recommendations