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首页> 外文期刊>International Journal of Electrochemical Science >Synthesis and Characterisation of a Polysulfone-Polyvinyl Alcohol Hydrogelic Material
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Synthesis and Characterisation of a Polysulfone-Polyvinyl Alcohol Hydrogelic Material

机译：聚砜-聚乙烯醇水凝胶材料的合成与表征

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摘要

Hydrogels are flexible materials that have found a niche in membrane science owing to their ability toabsorb water without dissolving. The synthesis of polyvinyl alcohol-polysulfone hydrogel in thepresence of N-hydroxy succinimide is presented herein. This hydrogel is characterised using FTIRspectroscopy, UV-visible spectroscopy, SEM and electrochemical techniques. The FTIRspectroscopic analysis shows that the hydrogel retains bonds that are related to both polysulfone andpolyvinyl alcohol moieties. The new hydrogel displays a highly branched morphology with reducedpore size in comparison with polysulfone. The hydrogel also has a lower charge transfer resistance(Rct: 12.065 k in comparison with the polysulfone (Rct: 23.260 k, which implies that the hydrogelis more conductive than the original polysulphone.
机译：水凝胶是柔性材料，由于其吸收而不溶解水的能力而已在膜科学中占据一席之地。本文介绍了在N-羟基琥珀酰亚胺存在下的聚乙烯醇-聚砜水凝胶的合成。使用FTIR光谱，UV-可见光谱，SEM和电化学技术表征该水凝胶。 FTIR光谱分析表明，水凝胶保留了与聚砜和聚乙烯醇部分均相关的键。与聚砜相比，这种新型水凝胶显示出高度分支的形态，并具有减小的孔径。与聚砜相比（Rct：23.260 k），水凝胶还具有较低的电荷转移电阻（Rct：12.065 k，这表明水凝胶比原始的聚砜更具导电性。

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