Process for the preparation of a binder from bitumen and...

Details Process for the preparation of a binder from bitumen and... Process for the preparation of a binder from bitumen and...

C - Chemistry, Metallurgy

08

L

400/1608, 400/65

C08L 23/08 (2006.01) C08L 23/22 (2006.01) C08L 31/04 (2006.01) C08L 95/00 (2006.01)

Patent

CA 1308829

ABREGE L'invention concerne un procédé de préparation d'un liant à base de bitume et de polymères. Le procédé selon l'invention est caractérisé par le fait que l'on additionne à un bitume, un mélange préparé au préalable, comprenant un copolymère éthylène/acétate de vinyle et un polyisobutylène ayant un poids moléculaire compris entre 400 et 1000. Ce procédé permet de renforcer les propriétés de consistance et de ramollissement du liant bitumineux.

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