CN110540660A - 一种适用于溶剂环境下石墨烯导电水凝胶传感器制备方法 - Google Patents

一种适用于溶剂环境下石墨烯导电水凝胶传感器制备方法 Download PDF

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CN110540660A
CN110540660A CN201910874245.XA CN201910874245A CN110540660A CN 110540660 A CN110540660 A CN 110540660A CN 201910874245 A CN201910874245 A CN 201910874245A CN 110540660 A CN110540660 A CN 110540660A
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高光辉
刘鑫
张钦
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Changchun University of Technology
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Abstract

本发明的一种适用于溶剂环境下石墨烯复合导电水凝胶传感器的制备方法，解决了水凝胶无法在溶剂环境下的稳定传感的难题。本发明将石墨烯、丙烯酸、丙烯酸‑2‑甲氧乙基脂、过硫酸钾溶解于水和二甲基亚砜的混合溶液中，经加热引发，进行自由基聚合反应，最终制得石墨烯复合导电水凝胶。本发明制备的石墨烯复合导电水凝胶在水、乙醇、氯仿、正己烷、十二烷等溶剂环境下可以对拉伸应力、压缩应力和弯曲应力进行精确监测和感知。本发明实现了凝胶软材料在水下以及各种溶剂环境下对应力变化的精准感知，扩宽了导电水凝胶的应用范围，有望应用于凝胶电解质、可穿戴设备、软体机器人以及适用于各种溶剂环境下的高端柔性电子产品等领域。

Description

一种适用于溶剂环境下石墨烯导电水凝胶传感器制备方法
技术领域
本发明属于高分子水凝胶技术领域，涉及适用于溶剂环境下石墨烯复合导电水凝胶传感器的制备方法。
背景技术
水凝胶是“软物质”材料的代表，因其良好的柔软性、生物相容性以及组织相似性，被广泛地应用到伤口敷料、生物胶水、组织粘合剂、可穿戴设备、应变传感器等应用领域。近些年来，导电水凝胶被广泛地开发，研究人员将无机盐、导电聚合物、液态金属以及含碳纳米材料等导电介质引入到水凝胶体系中，赋予水凝胶优异的导电性能。进而，导电水凝胶被装配成各种柔性传感器，并广泛地应用到人体运动检测、生物信号传感、电子皮肤和软体机器人等领域。然而，目前的大多数导电水凝胶由于其在水下以及溶剂环境下不稳定的导电性而无法应用于各种溶剂环境下，这就限制了导电水凝胶的实际应用范围。因此，制备一种在各种溶剂环境下均具有稳定的导电性的水凝胶对其在溶剂环境下的应用开发具有重要意义。
发明内容
为了实现导电水凝胶材料在各种溶剂环境下对应力变化的稳定监测和感知，本发明将石墨烯、丙烯酸、丙烯酸-2-甲氧乙基脂、过硫酸钾溶解于水和二甲基亚砜的混合溶液中，经加热引发，进行自由基聚合反应，最终制得石墨烯复合导电水凝胶。本发明制备的石墨烯复合导电水凝胶在水、乙醇、氯仿、正己烷、十二烷等溶剂环境下可以对拉伸应力、压缩应力和弯曲应力进行精确监测和感知。本发明实现了凝胶软材料在水下以及各种溶剂环境下对应力变化的精准感知，扩宽了导电水凝胶的应用范围，有望应用于凝胶电解质、可穿戴设备、软体机器人以及适用于各种溶剂环境下的高端柔性电子产品等领域。
本发明的一种适用于溶剂环境下石墨烯复合导电水凝胶传感器的制备方法，其步骤和条件如下：
将石墨烯均匀地分散在去离子水和二甲基亚砜的混合溶剂中，然后将丙烯酸、丙烯酸-2-甲氧乙基脂以及过硫酸钾加入到上述溶液中，继续搅拌60min，溶液中上述各物质的质量浓度分别为10g/L～30g/L、200g/L、200g/L、2g/L，将置好的溶液添加到聚四氟乙烯反应釜中，然后将反应釜置于70oC的烘箱中反应6小时，最终制得石墨烯复合导电水凝胶；石墨烯：丙烯酸：丙烯酸-2-甲氧乙基脂：引发剂过硫酸钾质量比为5～15:100:100:1。
有益效果：本发明制备了一种适用于溶剂环境下石墨烯复合导电水凝胶传感器，实现了导电水凝胶在水、乙醇、氯仿、正己烷、十二烷等溶剂环境下可以对拉伸应力、压缩应力和弯曲应力进行精确监测和感知。本发明将石墨烯、丙烯酸、丙烯酸-2-甲氧乙基脂、过硫酸钾溶解于水和二甲基亚砜的混合溶液中，经加热引发，进行自由基聚合反应，最终制得石墨烯复合导电水凝胶。本发明制备的本发明实现了凝胶软材料在水下以及各种溶剂环境下对应力变化的精准感知，扩宽了导电水凝胶的应用范围。
具体实施例方式
实施例1
将0.1g石墨烯均匀地分散在10mL去离子水和二甲基亚砜的混合溶剂中，然后将2g丙烯酸、2g丙烯酸-2-甲氧乙基脂以及0.02g过硫酸钾加入到上述溶液中，继续搅拌60min，溶液中上述各物质的质量浓度分别为10g/L～30g/L、200g/L、200g/L、2g/L，将置好的溶液添加到聚四氟乙烯反应釜中，然后将反应釜置于70oC的烘箱中反应6小时，最终制得石墨烯复合导电水凝胶；石墨烯：丙烯酸：丙烯酸-2-甲氧乙基脂：引发剂过硫酸钾质量比为5:100:100:1。
制备的水凝胶溶剂下传感性测试方法：将制备的水凝胶置于溶剂环境中，与电化学工作站经导线连接成闭合电路，测试使用电压为2V，对制备的水凝胶施加拉伸、压缩、弯曲等应力，电化学工作站可以准确记录凝胶材料的电阻变化。
制备的石墨烯复合水凝胶在在水、乙醇、氯仿、正己烷、十二烷等溶剂环境下可以对拉伸应力、压缩应力和弯曲应力变化做出实时的电阻变化，证明其在溶剂环境下可以用于应力传感器对应力变化进行精确监测和感知。
实施例2
将0.2g石墨烯均匀地分散在10mL去离子水和二甲基亚砜的混合溶剂中，然后将2g丙烯酸、2g丙烯酸-2-甲氧乙基脂以及0.02g过硫酸钾加入到上述溶液中，继续搅拌60min，溶液中上述各物质的质量浓度分别为10g/L～30g/L、200g/L、200g/L、2g/L，将置好的溶液添加到聚四氟乙烯反应釜中，然后将反应釜置于70oC的烘箱中反应6小时，最终制得石墨烯复合导电水凝胶；石墨烯：丙烯酸：丙烯酸-2-甲氧乙基脂：引发剂过硫酸钾质量比为10:100:100:1。
采用实施例1的测试方法，制备的石墨烯复合水凝胶在在水、乙醇、氯仿、正己烷、十二烷等溶剂环境下可以对拉伸应力、压缩应力和弯曲应力变化做出实时的电阻变化，证明其在溶剂环境下可以用于应力传感器对应力变化进行精确监测和感知。
实施例3
将0.3g石墨烯均匀地分散在10mL去离子水和二甲基亚砜的混合溶剂中，然后将2g丙烯酸、2g丙烯酸-2-甲氧乙基脂以及0.02g过硫酸钾加入到上述溶液中，继续搅拌60min，溶液中上述各物质的质量浓度分别为10g/L～30g/L、200g/L、200g/L、2g/L，将置好的溶液添加到聚四氟乙烯反应釜中，然后将反应釜置于70oC的烘箱中反应6小时，最终制得石墨烯复合导电水凝胶；石墨烯：丙烯酸：丙烯酸-2-甲氧乙基脂：引发剂过硫酸钾质量比为15:100:100:1。
采用实施例1的测试方法，制备的石墨烯复合水凝胶在在水、乙醇、氯仿、正己烷、十二烷等溶剂环境下可以对拉伸应力、压缩应力和弯曲应力变化做出实时的电阻变化，证明其在溶剂环境下可以用于应力传感器对应力变化进行精确监测和感知。

Claims (4)

1.一种适用于溶剂环境下石墨烯复合导电水凝胶传感器的制备方法，其特征在于，步骤和条件如下：
将石墨烯均匀地分散在去离子水和二甲基亚砜的混合溶剂中，然后将丙烯酸、丙烯酸-2-甲氧乙基脂以及过硫酸钾加入到上述溶液中，继续搅拌60min，溶液中上述各物质的质量浓度分别为10g/L～30g/L、200g/L、200g/L、2g/L，将置好的溶液添加到聚四氟乙烯反应釜中，然后将反应釜置于70oC的烘箱中反应6小时，最终制得石墨烯复合导电水凝胶；石墨烯：丙烯酸：丙烯酸-2-甲氧乙基脂：引发剂过硫酸钾质量比为5～15:100:100:1。
2.如权利要求1所述的一种适用于溶剂环境下石墨烯复合导电水凝胶传感器的制备方法，其特征在于，步骤和条件如下：
将0.1g石墨烯均匀地分散在10mL去离子水和二甲基亚砜的混合溶剂中，然后将2g丙烯酸、2g丙烯酸-2-甲氧乙基脂以及0.02g过硫酸钾加入到上述溶液中，继续搅拌60min，溶液中上述各物质的质量浓度分别为10g/L～30g/L、200g/L、200g/L、2g/L，将置好的溶液添加到聚四氟乙烯反应釜中，然后将反应釜置于70oC的烘箱中反应6小时，最终制得石墨烯复合导电水凝胶；石墨烯：丙烯酸：丙烯酸-2-甲氧乙基脂：引发剂过硫酸钾质量比为5:100:100:1。
3.如权利要求1所述的一种适用于溶剂环境下石墨烯复合导电水凝胶传感器的制备方法，其特征在于，步骤和条件如下：
将0.2g石墨烯均匀地分散在10mL去离子水和二甲基亚砜的混合溶剂中，然后将2g丙烯酸、2g丙烯酸-2-甲氧乙基脂以及0.02g过硫酸钾加入到上述溶液中，继续搅拌60min，溶液中上述各物质的质量浓度分别为10g/L～30g/L、200g/L、200g/L、2g/L，将置好的溶液添加到聚四氟乙烯反应釜中，然后将反应釜置于70oC的烘箱中反应6小时，最终制得石墨烯复合导电水凝胶；石墨烯：丙烯酸：丙烯酸-2-甲氧乙基脂：引发剂过硫酸钾质量比为10:100:100:1。
4.如权利要求1所述的适用于溶剂环境下石墨烯复合导电水凝胶传感器的制备方法，其特征在于，步骤和条件如下：
将0.3g石墨烯均匀地分散在10mL去离子水和二甲基亚砜的混合溶剂中，然后将2g丙烯酸、2g丙烯酸-2-甲氧乙基脂以及0.02g过硫酸钾加入到上述溶液中，继续搅拌60min，溶液中上述各物质的质量浓度分别为10g/L～30g/L、200g/L、200g/L、2g/L，将置好的溶液添加到聚四氟乙烯反应釜中，然后将反应釜置于70oC的烘箱中反应6小时，最终制得石墨烯复合导电水凝胶；石墨烯：丙烯酸：丙烯酸-2-甲氧乙基脂：引发剂过硫酸钾质量比为15:100:100:1。
CN201910874245.XA 2019-09-17 2019-09-17 一种适用于溶剂环境下石墨烯导电水凝胶传感器制备方法 Pending CN110540660A (zh)

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Application publication date: 20191206