Conductive polymer-based thin film for resistance-type stress-strain sensing

The invention discloses a conductive polymer-based film for resistance-type stress-strain sensing, and belongs to the technical field of stress-strain sensor manufacturing, the film is based on a flexible polymer matrix and a plurality of conductive fillers, and specifically comprises the following components: 95%-98% of the polymer matrix, 0.2%-0.5% of a carbon-based conductive additive, and 1.8%-4.5% of a conductive polymer additive. The prepared flexible composite material film has certain transparency and mechanical strength, can be attached to the surface of a monitored object, reflects stress and strain of the monitored object through resistance change caused by stress and strain, and has wide application prospects in the fields of wearable equipment, buildings, aviation and the like. 本发明公开了一种用于电阻式应力应变传感的导电聚合物基薄膜，属于应力应变传感器制作技术领域，所述薄膜基于柔性高分子基质与多种导电填充物，具体包含以下成分：高分子基质95%～98%、碳基导电添加剂0.2%～0.5%、导电聚合物添加剂1.8%～4.5%。本发明制备的柔性复合材料薄膜具有一定的透明度和机械强度，可贴附于监测物表面并通过应力应变引起的电阻变化反映被监测物的应力应变，在可穿戴设备、建筑、航空等领域具有较广阔的应用前景。