C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 20/10 (2006.01) C04B 26/26 (2006.01) C08L 95/00 (2006.01) E01C 7/18 (2006.01)
Patent
CA 2573828
A process of producing an asphalt concrete with enhanced performance is provided by utilizing a primer. The primer is added to a hot aggregate with a surface temperature of at least 250 deg. F prior to addition of an asphalt- derived base binder. The primer forms a primer interlayer between the hot aggregate and the base binder. As a result, the asphalt concrete has enhanced performance when compared with other asphalt concretes produced without a primer being added.
L'invention concerne un procédé de production d'un béton d'asphalte d'une efficacité accrue au moyen d'un primaire. Ledit primaire est ajouté à un granulat chaud à une température superficielle d'au moins 250 °F avant l'adjonction d'un liant de base dérivé de l'asphalte. Ledit primaire forme une couche intermédiaire d'accrochage entre le granulat chaud et le liant de base. Le béton d'asphalte ainsi obtenu présente une efficacité accrue en comparaison avec les asphaltes de béton produits sans adjonction de primaire.
American Gilsonite Company Inc.
Bouldin Mark G.
Fetherstonhaugh & Co.
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