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Polymeric humidity sensor using polyelectrolyte derived from poly(amide-sulfone)s
Macromolecular Research ( IF 2.8 ) Pub Date : 2009 , DOI: 10.1007/bf03218684
Young-Min Jeon , Myoung-Seon Gong

New polyelectrolytes derived from poly(amide-sulfone)s and 1,5-dibromopentane were simultaneously fabricated on the electrode by the crosslinking reaction. The substrate was pretreated with a bromoalkyl-containing, silane-coupling agent to anchor the humidity-sensitive membrane to the substrate through the covalent bond. When the resistance dependence on the relative humidity of the crosslinked poly(amide-sulfone)s was measured, the resistance varied by three orders of magnitude between 20%RH and 90%RH, which was the required RH range for a humidity sensor operating at ambient humidity. Their water durability, long-term stabilities under various environments, hysteresis and response and recovery times were measured and evaluated as a humidity-sensing membrane.

中文翻译:

使用衍生自聚(酰胺-砜)s的聚电解质的聚合物湿度传感器

通过交联反应同时在电极上制备了衍生自聚(酰胺-砜)和1,5-二溴戊烷的新型聚电解质。用含溴烷基的硅烷偶联剂对基材进行预处理,以使湿敏膜通过共价键固定在基材上。当测量电阻对交联聚(酰胺-砜)的相对湿度的依赖性时,电阻在20%RH和90%RH之间变化了三个数量级,这是湿度传感器在200°C下运行所需的RH范围。环境湿度。测量它们的水耐久性,在各种环境下的长期稳定性,磁滞以及响应和恢复时间,并作为湿度敏感膜进行评估。
更新日期:2020-09-14
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