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作 者:ZHANG Bo LI Aimin TAO Weihua YANG Weiben
机构地区:[1]State Key Laboratory of Pollution Control and Resource Reuse,School of Environment, Nanjing University, Nanjing 210093, China [2]College of Chemistry and Environmental Science,Nanjing Normal University, Nanjing 210046, China
出 处:《Chinese Journal of Reactive Polymers》2008年第1期12-17,共6页中国反应性高分子(英文版)
基 金:The Project Supported by:NSFC of PR China (50778088);National "863 Resource and Environment" Funding of PR China (2006AA06Z383);National Excellent Young Scientists (50825802).
摘 要:The systematical study about side reactions have revealed the formation mechanism of oxygen-containing groups of hypercrosslinked polymers. Surface chemistry and functionality of the polymers are characterized by Fourier-transform infrared spectroscopy (FT-IR), solid state nuclear magnetic resonance (NMR) and contact angle. The results showed that the ether groups were from chloromethylated reaction, and the alcohol groups arose from partial hydrolysis of chloromethyl groups during the post-crosslinking reaction, and the carbonyl functionality was formed by further oxidation of the alcohol groups. Catalyst and solvent used in the postcrosslinking reaction would greatly influence the surface chemistry of the polymer.The systematical study about side reactions have revealed the formation mechanism of oxygen-containing groups of hypercrosslinked polymers. Surface chemistry and functionality of the polymers are characterized by Fourier-transform infrared spectroscopy (FT-IR), solid state nuclear magnetic resonance (NMR) and contact angle. The results showed that the ether groups were from chloromethylated reaction, and the alcohol groups arose from partial hydrolysis of chloromethyl groups during the post-crosslinking reaction, and the carbonyl functionality was formed by further oxidation of the alcohol groups. Catalyst and solvent used in the postcrosslinking reaction would greatly influence the surface chemistry of the polymer.
关 键 词:Hypercrosslinked polymer Surface chemistry Oxygen-containing groups Hydrophilicity.
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