Water resistive humidity sensor composed of interpenetrating polymer networks of hydrophilic and hydrophilic and hydrophobic methacrylate

机译：水电湿度传感器由亲水和亲水性和疏水性甲基丙烯酸酯的互穿聚合物网络组成

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An interpenetrating polymer network (IPN) film composed of cross-linked 2-hydroxy-3-methyacryl-oxypropyl trimethylammonium chloride (HMPTAC) polymer and cross-linked ethylene glycol dimethacrylate (EGDMA) polymer was formed on a sintered alumina substrate with interdigitated gold electrodes to fabricate a water-resistive humidity sensor. The impedance of the sensor decreased from ca.10/sup 7/ Omega to ca.10/sup 2/ Omega with increasing humidity from 0% RH to 90% RH. In spite of the cross-linking and interpenetrating with the hydrophobic polymer, the sensitivity is almost the same as that of the HMPTAC homopolymer sensor. Little hysteresis was observed. The characteristics of this IPN sensor changed little even after soaking in water for 120 min. This sensor is more water-resistive than other IPN sensors prepared by using melamine resin or HEMA polymer as a second incorporating polymer. It seems that this is due to the good compatibility of HMPTAC and EGDMA.

机译：在烧结的氧化铝基材上形成嵌入的2-羟基-3-甲羟丙基二甲基二甲基二甲基二甲基二甲基二甲基二甲基二甲基二甲基二甲基丙烯酸二甲基氯化铵（HMPTAC）聚合物和交联乙二醇二甲基丙烯酸酯（EGDMA）聚合物。制造防水湿度传感器。传感器的阻抗从Ca.10 / sup 7 / Omega减少到Ca.10 / sup 2 / Omega，其湿度从0％RH增加到90％RH。尽管与疏水聚合物相互连接和互穿，但敏感性几乎与HMPTAC均聚物传感器的敏感性相同。观察到很少的滞后。即使在水中浸泡120分钟，该IPN传感器的特性也很少变化。该传感器比通过使用三聚氰胺树脂或HEMA聚合物作为第二掺入聚合物制备的其他IPN传感器更耐水。似乎这是由于HMPTAC和EGDMA的良好兼容性。

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《International Conference on Solid-State Sensors and Actuators》|1991年||共4页
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Sakai Y.; Sadaoka Y.; Institute of Electric and Electronic Engineer;
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中图分类自动化技术、计算机技术;
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2. Influence of the hydrophobic phase on the thermal transitions of water sorbed in a polymer hydrogel based on interpenetration of a hydrophilic and a hydrophobic network [J] . Sanchez MS., Ferrer GG., Pradas MM., Macromolecules . 2003,第3期

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4. Water resistive humidity sensor composed of interpenetrating polymer networks of hydrophilic and hydrophilic and hydrophobic methacrylate [C] . Sakai, Y., Sadaoka, . 1991

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5. Hydrophilic-hydrophobic interpenetrating polymer networks containing poly(vinyl pyrrolidone). [D] . Roweton, Susan Lynn. 1999

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Water resistive humidity sensor composed of interpenetrating polymer networks of hydrophilic and hydrophilic and hydrophobic methacrylate

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