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Road Construction
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Paved Roads
Arbokem is the leader in the science, technology and practice
of using natural, resinous materials, a co-product of softwood
pulp production, for road construction. Our ArboPave™ technology
has been used for paving highways in BC and Saskatchewan
since 1990.
Natural, resinous materials are an alternative to old
rubber tires or other synthetic materials used to restore
the flexibility of weathered asphalt binder.
Road tops, paved with Arbopave™ rather
than petroleum-based asphalt, don't melt in the summer
as the surface is harder and, in winter, the surface
is softer and doesn't crack in the cold weather. |
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Selected rheological
properties of tall oil pitch binder for asphaltic road
pavement construction Stanley Wu, Yi Feng and Alfred Wong,
Arbokem Inc., Vancouver, Canada
ABSTRACT. Tall oil pitch is a secondary
by-product of the coniferous wood pulp industry. Its
use as a pavement binder is problematic as the basic
rheological properties are affected by variable chemical
composition of the tall oil pitch. Synthetic blends of
fatty acid, resin acid and sterol were used as model
compounds for the laboratory study of the effect of chemical
composition on the physical properties of tall oil pitch.
A reliable empirical method has been developed to predict
the key rheological properties of tall oil pitch. Tall
oil pitch could thus be altered by means of compositional
changes to meet the pavement engineering needs of different
climatic service conditions. (AK21999W)
International Journal of Pavement
Engineering, in press, 2004.
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