Research progress of bio-based polymer modified asphalt
With the vigorous development of China's road and bridge construction,modified asphalt gradually occupies the application market,and adding high polymers such as epoxy resin,polyurethane,phenolic resin to asphalt can obtain high-performance modified asphalt or asphalt mixture.In order to reduce the consumption of non-renewable resources and facilitate the sustainable development of road engineering,bio-based raw materials are gradually replacing petroleum-based raw materials.In this paper,the raw materials and research progress of resin modified asphalt(bio-based polyurethane,bio-based phenolic resin),bio-based rubber modified asphalt,bio-based natural elastomer modified asphalt,and bio-based composite modified asphalt were mainly reviewed and summarized,and the latest research results of bio-based modifiers(plant oil,plant phenols,lignin,rosin,itaconic acid,etc.)were also shared.The current problems of bio-based polymer modified asphalt were proposed,and finally,the future development prospects were discussed.
万方数据
维普
