| 摘要 |
The present invention relates to a premix composition for bitumens, comprising: - from 35% to 65%, by weight of the composition, of bitumen, - from 5% to 65%, by weight of the composition, of a first copolymer of an alpha‑olefin and of an unsaturated carboxylic acid ester, characterized in that it additionally comprises from 5% to 65% by weight of a second copolymer of an alpha-olefin, an unsaturated epoxide and an unsaturated carboxylic acid ester and in that the aforesaid first copolymer (A) and the aforesaid second copolymer (B) represent between 35% and 65% by weight of said composition. The invention also relates to a bituminous mix comprising this composition and also the use of this composition for the preparation of such a mix. |
