| 摘要 |
<p>The invention relates to a modified bitumen composition comprising 75-95 parts by weight of petroleum bitumen, 2-15 parts by weight of styrene/butadiene block polymer, 1-15 parts by weight of vegetable oil, their mixture or regenerated vegetable oil or animal fat, 0-30 parts by weight of paraffinic, naphthenic or aromatic mineral oil derivative and 0-25 parts by weight of mineral flour.</p> |
