Surface-initiated Atom-transfer Radical Polymerization from Polyimide Films and Their Anti-fouling Properties
作者： Liang Li , Guoping Yan , Jiangyu Wu , Xianghua Yu , Qingzhong Guo
DOI: 10.1080/10601320802300610
关键词:
摘要: A simple one-step method for the chloromethylation of polyimide (PI) under mild conditions was used to introduce benzyl chloride groups into PI film surface. Covalently tethered hydrophilic polymer brushes poly(ethylene glycol) monomethacrylate (PEGMA) and glycidyl methacrylate (GMA) were prepared via surface initiated atom-transfer radical polymerization (ATRP) from chloromethylated surfaces using as active ATRP initiators. kinetics study indicated that chain growth films in agreement with a controlled process. The dormant ends grafted on could reinitiate consecutive surface-initiated prepare surface-functionalized diblock copolymer films. modified characterized by X-ray photoelectron spectroscopy (XPS) after each modification stage. Protein adsorption experiments PI-P(PEGMA) membrane exhibited substantially improved anti-fouling properties compared to...
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