【摘要】 在石油沥青中分别加入7％～8％(占沥青总质量,下同)的YH-792型SBS村脂、10％的增塑剂机油和小于20％的填料碳酸钙,于160～180℃下充分搅拌共混,可制得综合性能优异的改性沥青,其经济效益远高于普通沥青。更多还原

【Abstract】 The modified asphalt with excellent mechanical properties was prepared by adding thermoplastic elastomer SBS YH-792 7-8 phr, plasticizer oil 10phr and filler calcium carbonate less than 20 phr to 100 phr of petroleum asphalt ,stirring and blending at 160 - 180°C.The modified asphalt had better mechanical properties and lower cost than those of petroleum asphalt .更多还原