Bituminous binder and method for the production thereof

Details Bituminous binder and method for the production thereof Bituminous binder and method for the production thereof

C - Chemistry, Metallurgy

08

K

C08K 3/32 (2006.01) C08L 95/00 (2006.01)

Patent

CA 2518052

The invention relates to a method for the production of a bituminous binder and a bituminous binder which can be obtained according to said method. The method for the preparation of the bituminous binder comprises a mixing stage of 0.05 5 wt. % acid, 0.5 25 wt. % rubber crumbs and 70 99.5 wt. % bitumen. The invention also relates to bituminous concretes comprising said binder and a method for the production and use thereof.

La présente invention concerne un procédé de préparation d'un liant bitumineux ainsi que le liant bitumineux susceptible d'être obtenu par le procédé. Le procédé de préparation du liant bitumineux comprend une étape de mélange de 0,05 à 5% en poids d'acide, de 0,5 à 25% en poids de poudrettes de caoutchouc et de 70 à 99,5% en poids de bitume. La présente invention concerne également les bétons bitumineux comprenant ce liant, leur procédé de préparation et leur utilisation.

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