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首页> 外文期刊>RSC Advances >Fabrication of poly(beta-cyclodextrin-co-citric acid)/bentonite clay nanocomposite hydrogel: thermal and absorption properties
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Fabrication of poly(beta-cyclodextrin-co-citric acid)/bentonite clay nanocomposite hydrogel: thermal and absorption properties

机译：聚（β-环糊精-柠檬酸）/膨润土粘土纳米复合水凝胶的制备：热性能和吸收性能

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摘要

A b-cyclodextrin (beta-CD)/bentonite clay (BNC) nanocomposite hydrogel was prepared through combining in situ intercalative polymerization and melt intercalation methods. A suspension solution of b-CD with different amounts of BNC was prepared and then copolymerized with citric acid (CT) to prepare CDPCT/BNC nanocomposite hydrogels. Their structures were characterized by ATR-FTIR, XRD, SEM, EDAX, TEM, TGA, DTG, DSC and DDSC spectroscopy. The results are indicative that BNC was grafted onto CDP-CT macromolecules, and this led to good linkers in the nanocomposite hydrogels and consequently a significant improvement of their thermal properties. The swelling ratio and absorption properties toward methylene blue (MB) of the nanocomposite hydrogels were studied.
机译：通过原位插层聚合和熔融插层相结合的方法制备了b-环糊精（β-CD）/膨润土（BNC）纳米复合水凝胶。制备了具有不同量BNC的b-CD悬浮液，然后与柠檬酸（CT）共聚以制备CDPCT / BNC纳米复合水凝胶。通过ATR-FTIR，XRD，SEM，EDAX，TEM，TGA，DTG，DSC和DDSC光谱对它们的结构进行了表征。结果表明，BNC被嫁接到了CDP-CT大分子上，这导致了纳米复合水凝胶中的良好连接，从而大大改善了其热性能。研究了纳米复合水凝胶的溶胀率和对亚甲基蓝的吸收性能。

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