Synthesis and self-assembly of a novel fluorinated triphilic block copolymer
作者： Xinxin Li , Yanhua Yang , Guojun Li , Shaoliang Lin
DOI: 10.1039/C4PY00308J
关键词: Self-assembly 、 Copolymer 、 Dynamic light scattering 、 Materials science 、 Surface tension 、 Methacrylic acid 、 Polymer chemistry 、 Methyl methacrylate 、 Dimethylformamide 、 Chain transfer
摘要: A novel fluorinated diblock tercopolymer was synthesized by the reversible addition fragmentation chain transfer method, incorporating methacrylic acid, methyl methacrylate, and perfluoroalkyl ethyl methylacrylate blocks as hydrophilic, lipophilic, fluorophilic units, respectively. Depending upon specific triphilic balance, under control solution conditions, block copolymer self-assembled in dimethylformamide/water dispersions induced an evolution from spheres to wormlike structures, finally nail-shaped verified transmission electron microscopy dynamic light scattering. The mechanism is explained terms of effect each property on forces that govern formation any given morphology, namely core-chain stretching, strong incompatibility between lipophilic blocks, interfacial tension.
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