| 摘要 |
A composition useful as a pavement material comprising a mixture of asphalt and a polymer of an alpha -olefin, or an interpolymer of an alpha -olefin, and at least one copolymer selected from the group consisting of an alpha , beta -unsaturated carboxylic acid, a monomer of an alpha , beta -unsaturated carboxylic acid, a vinyl ester of alkanoic acid, and carbon monoxide.
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