特种沥青的研究进展

Advance in Special Asphalt

特种沥青具有高附加值、应用场景专一和开发难度大等特点。本文综述了特种沥青的研究进展,包括改质沥青、浸渍剂沥青、包覆沥青、中间相沥青及其它种类沥青。在研发特种沥青的过程中,研究人员应加强表征手段的应用,进一步明确沥青产品生产过程中的原子、分子及化合物等多尺度的变化规律,从而调控研发和生产过程中的关键工艺条件。针对不同原料特性,建议采取适合的加工工艺,生产不同种类的特种沥青,实现沥青资源的精细化、标准化和高附加值化利用。

Special asphalt has the characteristics of high added value,specificity of application scenarios and great difficulty in development.The research progress of special asphalt including modified asphalt,impregnating asphalt,coated asphalt,mesophase asphalt and other types of asphalt is reviewed.Researchers should strengthen the application of characterization methods to further clarify the multi-scale variation rules of atoms,molecules and compounds in the production process of asphalt products,so as to regulate the key technological conditions in the development and production process.According to the characteristics of different raw materials,it is suggested to adopt suitable processing technology to produce different kinds of special asphalt,so as to realize the fine and high value-added utilization of asphalt resources.