Stretchable strain sensor based on polyurethane fiber and preparation method of strain sensor
A polyurethane fiber, tensile strain technology, applied in the field of sensors, can solve the problems of difficulty in compatibility with skin, low ductility, low linearity, etc. The effect of good sensitivity
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[0041] The embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. The following embodiments are implemented on the premise of the technical solutions of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to Examples described below.
[0042] Such as figure 1 As shown, the structure of the polyurethane fiber-based stretchable strain sensor of the present invention is as follows: the polyurethane fiber 1 is used as the matrix, and the inner layer conductive structure 2 and the outer layer conductive structure 3 are successively wrapped on the surface of the matrix; wherein the inner layer conductive structure is Graphene nanosheets, the outer conductive structure is a synergistic conductive network layer of carbon black and single-walled carbon nanotubes. In order to make the illustration clearer, the...
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