C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 195/00 (2006.01) C09D 7/14 (2006.01)
Patent
CA 2296499
A hot mix asphalt composition and method are shown in which hydrated lime is added directly to the asphalt binder prior to the addition of the asphalt binder to the mineral aggregate constituent of the composition. The lime- asphalt mixture is then added to the mineral aggregate. The lime component is added to the asphalt binder in an amount which exceeds about 10 % by weight, based upon the total weight of asphalt binder in the composition.
Cette invention se rapporte à une composition bitumineuse mélangée à chaud, et à son procédé de préparation selon lequel on ajoute directement de la chaux hydratée à un liant bitumineux avant de mélanger ce dernier au constituant sous forme de granulats minéraux de la composition. Puis on ajoute le mélange chaux-bitume aux granulats minéraux. La quantité de chaux ajoutée au liant bitumineux représente, en poids, au moins 10 % environ du poids total du liant bitumineux dans la composition.
Graves Robin E.
Huege Fred R.
Little Dallas N.
Chemical Lime Company
Kirby Eades Gale Baker
LandOfFree
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