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首页> 外文期刊>Journal of Applied Polymer Science >Synthesis and Swelling Behavior of a New Superabsorbent Hydrogel Network Based on Polyacrylamide Grafted onto Salep
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Synthesis and Swelling Behavior of a New Superabsorbent Hydrogel Network Based on Polyacrylamide Grafted onto Salep

机译：一种新的聚丙烯酰胺接枝到Salep上的高吸收性水凝胶网络的合成和溶胀行为

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摘要

Synthesis and swelling behavior of a new superabsorbent hydrogel based on natural salep grafted with polyacrylamide is described. The new superabsorbent hydrogel biopolymer was synthesized via radical crosslinking and graft copolymerization of acrylamide monomer onto salep backbones. Regarding to the water absorption of hydrogel, the best synthesis condition is reported. FTIR spectroscopy and thermogravimetric analysis were used to confirm the structure of the final product and a mechanism for superabsorbent hydrogel formation was also suggested. After preparing the desired hydrogels based on optimum condition, several factors affecting the swelling behavior of hydrogel including pH of medium, sensitivity to the salt solution, and mixture of solvents were studied.
机译：描述了基于接枝聚丙烯酰胺的天然塞普的新型超吸收水凝胶的合成和溶胀行为。通过自由基交联和丙烯酰胺单体在salep骨架上的接枝共聚合成了新型的超吸收性水凝胶生物聚合物。关于水凝胶的吸水率，报道了最佳的合成条件。 FTIR光谱和热重分析被用于确认最终产品的结构，并提出了形成超吸收性水凝胶的机理。根据最佳条件制备所需的水凝胶后，研究了影响水凝胶溶胀行为的几个因素，包括介质的pH值，对盐溶液的敏感性以及溶剂混合物。

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