C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/1611
C08L 95/00 (2006.01) C08K 3/06 (2006.01) C08L 25/10 (2006.01)
Patent
CA 1321276
ABSTRACT A novel asphalt composition consisting of from 95% to 97% w/w of asphalt, said asphalt having a penetration range at 25°C between about 240 dmm and about 400 dmm, from 3% to 5% w/w of a styrene-butadiene-styrene block copolymer and from 0.08% to 0.12% w/w of sulphur calculated on the combined weight of asphalt and polymer. The composition is useful in hot mixes for road surface courses and in overlays.
557341
Cheng John W.
Somogyvari Arpad F.
Watson R. David
Zanzotto Ludo
Husky Oil Operations Ltd.
Osler Hoskin & Harcourt Llp
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