| 摘要 |
<p>The invention relates to a composition for pavement mixtures. According to the invention, the composition comprises a mixture of a component A consisting of 15...45 parts of asphalt, 2...50 parts of functionalized polyols, 0.01...1.5 parts of stannous octoate catalyst and/or dibutyl tin dilaurate, for accelerating the condensation of polyol-isocyanate, 1...10 parts of colophony esterified with pentaerythrite and/or hydrocarbonated resin, 30...60 parts of diatomite and/or calcium carbonate, and a component B consisting of 1...30 parts of aliphatic and/or aromatic isocyanate, the parts being expressed by weight.</p> |
