聚乙烯醇
自愈水凝胶
纤维素
材料科学
热重分析
结晶度
差示扫描量热法
傅里叶变换红外光谱
化学工程
高分子化学
热稳定性
复合材料
热力学
物理
工程类
作者
Tippabattini Jayaramudu,Hyun‐U Ko,Lindong Zhai,Yaguang Li,Jaehwan Kim
标识
DOI:10.1080/1539445x.2016.1246458
摘要
This paper reports polyvinyl alcohol/cellulose-based electroactive hydrogels for actuator applications. The polyvinyl alcohol/cellulose electroactive hydrogels were obtained by physical crosslinking of polyvinyl alcohol and cellulose. The formation of the polyvinyl alcohol/cellulose hydrogel structure, its thermal stability, crystallinity, and mechanical properties were studied by using the Fourier transform infrared spectroscopy, scanning electron microscopy, thermogravimetric analysis, differential scanning calorimetry, X-ray diffraction, and mechanical test. The studies reveal that the cellulose is uniformly reacted with hydroxyl groups of polyvinyl alcohol by intermolecular bond formation. The cellulose content along with actuation voltage and frequency of electroactive hydrogels influence their displacement behavior.
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