Self-catalyzed living radical polymerization using quaternary-ammonium-iodide-containing monomers

• Main Authors: Wang, Chen-Gang, Oh, Xin Yi, Liu, Xu, Goto, Atsushi
• Other Authors: School of Physical and Mathematical Sciences
• Format: Article
• Language: English
• Published: 2020
• Subjects: Science::Chemistry; Monomers; Catalysts
• Online Access: https://hdl.handle.net/10356/137732
• Institution: Nanyang Technological University

Self-catalyzed living radical polymerization using quaternary ammonium iodide (QAI)-containing monomers is reported. The monomer contains a polymerizable methacrylate or acrylate moiety and QAI as a catalytic moiety at the side chain. Several (functional) methacrylates and acrylates were successfully copolymerized with QAI-containing monomers without additional catalysts, generating QAI-containing copolymers. The obtained QAI-containing polymers were further used as catalytic macroinitiators, enabling self-catalyzed block polymerizations of various monomers without additional catalysts. This self-catalyzed living radical polymerization was also used to prepare a QAI-containing polymer brush on a solid surface. This technique is attractive for its wide range of amenable monomers and metal-free nature. The obtained QAI-containing polymers may find biomedical and antibacterial applications.