Dihydroxy-capped PCL as macroinitiator can further initiate the polymerization of 2,2-dimethyltrimethylene carbonate (DTC). Thus, triblock copolymer of CL with DTC (poly(DTC-b-CL-b-DTC)) has been prepared.

• 以双端羟基PCL,作为大分子引发剂引发DTC聚合,获得CL和DTC的poly(DTC-b-CL-b-DTC)三嵌段共聚物。