Bituminous mastic comprising ultrafines and its applications

Details Bituminous mastic comprising ultrafines and its applications Bituminous mastic comprising ultrafines and its applications

C - Chemistry, Metallurgy

08

L

C08L 95/00 (2006.01) B32B 11/04 (2006.01)

Patent

CA 2641387

The present invention relates to a bituminous mastic, in other words a mixture comprising on the one hand at least one bitumen-based hydrocarbon binder, more particularly a blown bitumen, and on the other hand fines, including an ultrafines fraction. The invention also relates to poured asphalts and bituminous coatings comprising a bituminous mastic. A method of producing such bituminous materials is described, as are the road-building and industrial applications of these materials.

La présente invention concerne un mastic bitumineux, c'est à dire un mélange comprenant, d'une part, au moins un liant hydrocarboné à base de bitume, en particulier un bitume soufflé, et d'autre part, des fines dont une partie d'ultrafines. L'invent ion concerne également des asphaltes coulés et des enrobés bitumineux comprenant un mastic bitumineux. Un procédé de préparation de tels matériaux bitumineux est décrit, ainsi que les applications routières et industrielles de ces matériaux.

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