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    • 8. 发明授权
    • Polymer nano-composites as dry sensor material for biosignal sensing
    • 聚合物纳米复合材料作为生物信号传感的干式传感器材料
    • US08608984B1
    • 2013-12-17
    • US13033314
    • 2011-02-23
    • Prasad TaranekarArunkumar VenkatesanNishant NegandhiAsis Banerjie
    • Prasad TaranekarArunkumar VenkatesanNishant NegandhiAsis Banerjie
    • H01B1/02H01B1/22H01B1/06H01J1/14
    • A61B5/0408A61B5/6804A61B5/6891A61B2562/06H01B1/24
    • A multifunctional polymer nano-composite sensor system for detecting various biosignals like ECG and other kinds of signals for sensing strain, temperature and moisture has been disclosed. This sensor system includes (1) a polymer nano-composite sensor material that is flexible, elastic, soft, and conductive, (2) a sensor material fabricated into a desired shape or form, and (3) a signal capturing interface for collecting, transmitting and processing the signals. This sensor system can easily be integrated into a user environment for various user-transparent sensing applications. The present invention more specifically reveals a multi-functional nano-composite sensor for detecting biologically generated electrical signals which is comprised of a polymeric composition having an electrically conductive wire embedded therein, wherein the polymeric composition has a dispersion phase and a dispersed phase, wherein the dispersion phase is comprised of a thermoplastic polymer or a thermoset polymer, wherein the dispersed phase includes an electrically conductive filler, wherein the polymeric composition is gel-free, and wherein the electrically conductive wire is adapted for conveying an electrical signal to a signal processing device. The present invention further discloses a polymeric composition which is comprised of a thermoplastic polyurethane, a styrenic polymer, and at least one electrically conductive filler wherein the styrenic polymer is present in the composition at a level which is within the range of 10 weight percent to 50 weight percent and wherein the electrically conductive filler is present at a level which is within the range of 0.5 weight percent to 40 weight percent, based on the total weight of the polymeric composition.
    • 已经公开了用于检测各种生物信号如ECG的多功能聚合物纳米复合传感器系统和用于感测应变,温度和湿度的其它种类的信号。 该传感器系统包括(1)柔性,弹性,柔软和导电的聚合物纳米复合传感器材料,(2)制造成所需形状或形式的传感器材料,以及(3)信号捕获界面, 发送和处理信号。 该传感器系统可以容易地集成到用户环境中,用于各种用户透明感应应用。 本发明更具体地揭示了用于检测生物学产生的电信号的多功能纳米复合传感器,其包含嵌入其中的导电线的聚合物组合物,其中所述聚合物组合物具有分散相和分散相,其中 分散相由热塑性聚合物或热固性聚合物组成,其中分散相包括导电填料,其中聚合物组合物是无凝胶的,并且其中导电线适于将电信号传送到信号处理装置 。 本发明还公开了一种由热塑性聚氨酯,苯乙烯聚合物和至少一种导电填料组成的聚合物组合物,其中苯乙烯类聚合物以10重量%至50重量%的范围存在于组合物中 重量百分比,并且其中导电填料以基于聚合物组合物的总重量的0.5重量%至40重量%的范围内的含量存在。