Bitumen-polymer compositions, preparation method and application.

摘要

This bitumen-polymer composition comprises: a) at least one bitumen, b) at least one polymer having hydrocarbon chains containing mobile hydrogen, the said polymer being grafted and crosslinked in situ in the said bitumen via a complex of at least one organic silicon compound, the said complex being formed from a primary constituent and from a secondary constituent, the latter being the organic silicon compound.