| 摘要 |
Novel compositions comprising asphalt, having improved durability, are disclosed, the compositions comprising or containing (a) from about 0.1 percent to about 5.0 percent of a metal hydrocarbyldithiophosphate, or mixture thereof, and (b) from about 0.1 percent to about 5.0 percent of an antioxidant butylated phenol, or mixture thereof, the ratio of (a) to (b) being from about 0.75:1 to about 4.0:1. A process of making such improved compositions is also described, as well as methods of utilizing such compositions.
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