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<p>Several research works place significant emphasis on the versatile strategy of combining multiple polymerization methods for the synthesis of amphiphilic block copolymers. Many interesting structures can be prepared through the combinations of ring-opening polymerization and living radical polymerization techniques. Herein, we report a successful synthesis of amphiphilic block copolymers of acrylic acid with 2-ethyl-2-oxazoline and 2-phenyl-2-oxazoline monomers by combining two polymerization methods, including iodine transfer polymerization and cationic ring-opening polymerization. The synthesized copolymers were characterized using Nuclear Magnetic Resonance, Fourier Transform Infrared Spectroscopy and Gel Permeation Chromatography analysis. The morphology and the structure of the copolymers were investigated by optical microscopy. The finding results reveal that the reaction medium exhibits an interesting arrangement of the polymer chains, and indicates that the synthesized copolymers possess remarkable self-assembly properties in aqueous solution. This combinatorial approach could pave the way for the preparation of more complex supramolecular structures. In fact, these copolymers can be easily modified, thereby enhancing their properties.</p>

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Efficient combination of RITP and CROP polymerizations for the synthesis of acrylic acid and oxazoline amphiphilic copolymers

  • 期刊论文

  • 发表日期：

    2025年6月4日

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  • Meryem Imane Amrane,
  • Kaddour Guemra,
  • Aouicha Benmaati

摘要

Several research works place significant emphasis on the versatile strategy of combining multiple polymerization methods for the synthesis of amphiphilic block copolymers. Many interesting structures can be prepared through the combinations of ring-opening polymerization and living radical polymerization techniques. Herein, we report a successful synthesis of amphiphilic block copolymers of acrylic acid with 2-ethyl-2-oxazoline and 2-phenyl-2-oxazoline monomers by combining two polymerization methods, including iodine transfer polymerization and cationic ring-opening polymerization. The synthesized copolymers were characterized using Nuclear Magnetic Resonance, Fourier Transform Infrared Spectroscopy and Gel Permeation Chromatography analysis. The morphology and the structure of the copolymers were investigated by optical microscopy. The finding results reveal that the reaction medium exhibits an interesting arrangement of the polymer chains, and indicates that the synthesized copolymers possess remarkable self-assembly properties in aqueous solution. This combinatorial approach could pave the way for the preparation of more complex supramolecular structures. In fact, these copolymers can be easily modified, thereby enhancing their properties.