In-situ stabilized bituminous compositions

Details In-situ stabilized bituminous compositions In-situ stabilized bituminous compositions

C - Chemistry, Metallurgy

08

L

C08L 95/00 (2006.01)

Patent

CA 2208193

Insoluble olefinic polymers are dispersed in bitumen and the dispersion rendered stable and resistant to phase separation by an in-situ stabilization procedure involving the formation of chemical bonds among the stabilizer components and to dispersed phase to form a network surrounding the olefinic polymer particles which is compatible with the bitumen phase. The stabilizer components comprise a bitumen-compatible polymer interlinked with an olefinic polymeric material.

Des polymères oléfiniques insolubles sont dispersés dans le bitume et la dispersion est rendue stable et résistante à la séparation de phase par une méthode de stabilisation in situ faisant intervenir la formation de liaisons chimiques entre les constituants stabilisants et la phase dispersée pour former un réseau autour des particules de polymère oléfinique qui est compatible avec la phase bitume. Les constituants stabilisants comprennent un polymère compatible avec le bitume combiné avec une matière polymérique oléfinique.

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