Catalysis in Plastics for the 21st Century

For this Special Issue, which is part of the Organic and Polymer Chemistry Section, we would like to present the following editorial message. The Special Issue accepted manuscripts related to molecular catalysis, including metal-catalyzed polymerization of α-olefins, ring opening polymerization (ROP) of cyclic esters, acyclic diene metathesis polymerization, mechanistic studies, co-catalyst effects and DFT calculations. In this Special Issue, there is one review entitled “Synthesis of Biodegradable Polymers: A Review on the Use of Schiff-Base metal Complexes as catalysts for the Ring Opening Polymerization (ROP) of Cyclic Esters” [1]. As expected from the beginning, the scope of the catalysts covered in this issue is broad, from zirconium and hafnium to iron and cobalt-based catalysts