Then the star shaped rod-coil block copolymer S-(PCL-PMPCS)_3 was obtained via ATRP.

• 以三羟甲基丙烷为引发剂制得了三臂星形聚己内酯 S-(PCL)_3,并进一步制得含溴端的三官能团引发剂S-(PCL-Br)_3,最后通过ATRP制得了三臂星形刚柔嵌段共聚物S-(PCL-PMPCS)_3。