Synthesis of Poly6-(2,6-bis(1＇-methylbenzimidazolyl)pyridin-4-yloxy)hexyl acrylate(PBIP) and Magnetic Property of Its Neodymium Complex(PBIP-Nd^(3＋))

摘要

Homopolymer(PBIP) containing 2,6-bis(1'-methylbenzimidazolyl)pyridine(Me BIP) ligands in the side chain was synthesized by RAFT polymerization and its kinetics was studied. Polymeric complex PBIP-Nd^(3+) was prepared by chelating PBIP with lanthanide ion Nd^(3+). The homopolymers and PBIP-Nd^(3+) complex were investigated by NMR, FTIR, GPC and TGA. The optical property of PBIP-Nd^(3+) complex was characterized by UV-Vis spectroscopy. The magnetic property of PBIP-Nd^(3+) complex was measured as a function of temperature(5 K to 300 K) and as a function of field(-3.98×10~6 A/m to 3.98×10~6 A/m). These results indicated that PBIP-Nd^(3+) complex is paramagnetic.