GROUP 4 COMPLEXES OF AMINE TRIS(PHENOLATE) LIGANDS, RING-OPENING POLYMERIZATION OF CYCLIC ESTERS EMPLOYING SAME, AND POLYMERS AND BLOCK CO-POLYMERS OBTAINED THEREBY
申请人:Ramot at Tel-Aviv University Ltd.
公开号:US20240270902A1
公开(公告)日:2024-08-15
A family of organometallic complexes of zirconium and hafnium (or other group 4 metals) bound to amine tris(phenolate) ligands bearing at least one phenolate substituent which is aryl or heteroaryl, and uses of these complexes in a (e.g., sterocontrolled) polymerization of cyclic esters such as lactides are provided. Polyester-containing materials featuring defined stereochemical structures are also provided.