Hydrogenation of SBS using RuCl 2(PPh 3) 3 as catalyst and PPh-3 as ligand was studied for the first time.Hydrogenate......

交通建设的快速发展对路面性能提出了更高的要求,改性沥青的应用成为增强路面使用性能的主要手段。苯乙烯-丁二烯-苯乙烯嵌段共聚......