C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/1600, 400/16
C08L 95/00 (2006.01) C10C 3/02 (2006.01) E01C 7/26 (2006.01)
Patent
CA 2033973
The bitumen/polymer composition contains a bitumen and, based on the bitumen weight, 0.5 to 15 % of a polymer, 0.05 to 10 % of an adhesive-carrying component of the amine, amide or imidazoline type, and possibly 1 to 30 % of a flux agent, the adhesive-carrying component being grafted onto the polymer present in the composition. Said composition is produced by putting the above-mentioned ingredients of which it is composed in contact with each other, at a temperature of between 100 DEG C and 230 DEG C and agitating them in the presence of a coupling agent which provides free element-like or radical-like sulphur. Application: production of coverings such as road surface coverings, coated materials and sealing coverings.
La composition bitume/polymère renferme un bitume et, en poids du bitume, 0,5 à 15% d'un polymère, 0, 05 à 10% d'une composante adhésiphore du type amine, amide ou imidazoline et éventuellement 1 à 30% d'un agent fluxant, la composante adhésiphore étant greffée au polymère présent dans la composition. Cette composition est obtenue par mise en contact des ingrédients précités la composant, à une température entre 100°C et 230°C et sous agitation, en présence d'un agent de couplage fournissant du soufre libre élémentaire ou radicalaire. Application de la composition à la réalisation de revêtements tels que revêtements superficiels routiers, d'enrobés ou de revêtements d'étanchéité.
Chaverot Pierre
Plance Jean-Pascal
Elf France
Road Science L.l.c.
Robic
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