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Trackless Tack-coat Systems for Canada: Are We There Yet?
Transcript of Trackless Tack-coat Systems for Canada: Are We There Yet?
Lake Louise, AB
Justin P. Suda, R. Chem
Trackless Tack-coat Systems for Canada:
Are We There Yet?
Year in review
What makes a good tack?
Demand for tack in western Canada
Tack Coats -Year in Review
Products we used last year:
What makes a good tack emulsion?
Provides a Bond
Wets Surface -
Less Tacky -
Three types of surfaces:
Need hard asphalt binder
No refineries in western
Canada make it!
Materials - Can we source?
Can we manufacture hard asphalt?
Suitable for all substrates?
Sense of Urgency
Blacklidge - USA
Have had a patented system in place for several years
McAsphalt - Canada
Starting trials 2014
Collaboration with CST
Sent samples to CST
Lab manufacture of hard asphalt
Lab and construction performance
Study -Two Phases
Phase One Results
Manufactured hard asphalts
Found correlations between asphalt and modifiers
Achieving 40-50 Pen
Emulsified hard asphalts
Six potential engineered designs
AkzoNobel "Tackiness Test"
Phase One Improvements
Increase the dosages of emulsifier to make more stable
Using co-surfactants – two emulsifiers
Alternative modifiers to harden asphalt
Components to making a good trackless tack
Western Can. tack demand and challenges
CST Study - Early successes
Future - Formulation, lab, and field work
Are we there yet? Almost.
Jean Martin Croteau, ColasCanada
Ted Harrison, ColasCanada
Martin Thompson, Colas Solutions
Stephane Harnois, CST
Thomas Zamaron, CST
Abdul Elkadri, Gecan
Tony Manzi, Gecan
Alex McPherson, Colasphalt
Chuck Van Dyk, ColasCanada
Bob Charter, SGIE
Jeffery Jarvis, Gecan
Martin Loubier, ColasCanada
Chris Deckhoff, ACP/Lafrentz
Stephane Trudeau, S.T.E.B.
Compromise to make a product that can be used on all substrates