Jackie Zheng Contact ZHENGJ@ORNL.GOV All Publications Polyalkenamers as Drop-in Additives for Ring-Opening Metathesis Polymerization: A Promising Upcycling Paradigm Closed-loop recycling of semi-aromatic polyesters upcycled from poly(ethylene terephthalate) Recent development of end-of-life strategies for plastic in industry and academia: bridging their gap for future deployment Quaternized Polynorbornene Random Copolymers for Fuel Cell Devices