Colloid and Polymer Science

, Volume 269, Issue 8, pp 825–834 | Cite as

Asphalt-polyolefin emulsion breakdown

  • S. A. M. Hesp
  • R. T. Woodhams
Original Contributions

Abstract

An analysis of factors controlling the stability of asphalt-polyolefin emulsions is given. From flocculation kinetics and changes in particle size distributions, it is concluded that the major cause of instability is due to Brownian coalescence followed by gravitational flocculation and creaming. A cyclical change in the particle size distribution, indicative of simultaneous flocculation and creaming, is observed only in the final stages of the emulsion breakdown.

Key words

Polyethylene asphalt emulsion breakdown polymer modifications coalescence 

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Copyright information

© Steinkopff-Verlag 1991

Authors and Affiliations

  • S. A. M. Hesp
    • 1
  • R. T. Woodhams
    • 1
  1. 1.Department of Chemical Engineering and Applied ChemistryUniversity of TorontoTorontoCanada

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