Macromolecular Rapid Communications
Macromolecular Rapid Communications
5 years ago

Photoinitiated Polymerization-Induced Self-Assembly of Glycidyl Methacrylate for the Synthesis of Epoxy-Functionalized Block Copolymer Nano-Objects

Photoinitiated Polymerization-Induced Self-Assembly of Glycidyl Methacrylate for the Synthesis of Epoxy-Functionalized Block Copolymer Nano-Objects
Li Zhang, Chundong Huang, Dongdong Liu, Xueliang Li, Jianbo Tan, Jun He, Qin Xu
Herein, a novel photoinitiated polymerization-induced self-assembly formulation via photoinitiated reversible addition–fragmentation chain transfer dispersion polymerization of glycidyl methacrylate (PGMA) in ethanol–water at room temperature is reported. It is demonstrated that conducting polymerization-induced self-assembly (PISA) at low temperatures is crucial for obtaining colloidal stable PGMA-based diblock copolymer nano-objects. Good control is maintained during the photo-PISA process with a high rate of polymerization. The polymerization can be switched between “ON” and “OFF” in response to visible light. A phase diagram is constructed by varying monomer concentration and degree of polymerization. The PGMA-based diblock copolymer nano-objects can be further cross-linked by using a bifunctional primary amine reagent. Finally, silver nanoparticles are loaded within cross-linked vesicles via in situ reduction, exhibiting good catalytic properties. Epoxy-functionalized diblock copolymer nano-objects are prepared by photoinitiated polymerization-induced self-assembly of glycidyl methacrylate at room temperature. A diverse set of complex morphologies (worms and vesicles) are prepared by this facile approach. The obtained poly(glycidyl methacrylate)-based diblock copolymer nano-objects can be further functionalized using the epoxy–amine chemistry (e.g., cross-linking, loading nanoparticles).

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/marc.201700195

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