| 摘要 |
<p>A mixture comprising aggregate and from 2 to 8 % of a bitumen composition for road construction and repair. The bitumen composition has 75 % to 99.95 % of bitumen, 0 % to 15 % of polymer, and 0.05 % to 10 % of an amide additive that is predominately an amide having the formula: R1-CO-N-(CH2)x-N-CO-R2 wherein R1 and R2 are alkyl groups, each having from 12 to 52 carbon atoms, and x is an integer of from 1 to 4.</p> |
