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Journal of Materials Science

, Volume 20, Issue 9, pp 3283–3288 | Cite as

Sulphuric acid etching of polyethylene surfaces

  • C. Fonseca
  • J. M. Pereña
  • J. G. Fatou
  • A. Bello
Papers

Abstract

The sulphuric acid etching of polyethylene results in the formation of sulphonic groups, varying the surface properties. The study of the groups formed during the etching has been carried out by means of frustrated multiple internal reflection infrared spectroscopy (FMIR). Densities, thermal properties, superficial resistances and resistivities have been correlated with the content of sulphonic groups and treatment time. Moreover, the critical surface tension and platelet adhesion have been examined and related with the change in those properties. Direct sulphonation of polyethylene is a suitable method to change its surface properties, improving the application of this polymer as a biomaterial.

Keywords

Sulphuric Acid Platelet Adhesion Relative Absorbance Short Treatment Time Decalin 

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Copyright information

© Chapman and Hall Ltd 1985

Authors and Affiliations

  • C. Fonseca
    • 1
  • J. M. Pereña
    • 1
  • J. G. Fatou
    • 1
  • A. Bello
    • 1
  1. 1.Unidad de Física y Fisicoquímica de PolímerosInstituto de Plásticos y Caucho, CSICMadrid 6Spain

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