3results about How to "Good mechanical elasticity" patented technology

The application discloses a kind of foam-based flexible tactile sensor and its preparation method, the flexible tactile sensor has three-layer structure, middle layer is PEDOT:pss / rGO composite foam, the composite foam is tactile sensing material, and the upper and lower layers are both flexible PDMS film;The application uses simple and efficient hydrothermal synthesis method and subsequent flash instantaneous irradiation reduction method, and prepares a kind of three-dimensional porous PEDOT:pss / rGO composite foam, can effectively and maximumly keep the composite skeleton structure of original PEDOT:pss / GO foam, and makes PEDOT:pss polymer polymer and rGO sheet closely connected, so that PEDOT:pss / rGO composite foam has better mechanical elasticity and high conductivity, so that flexible tactile sensor has high sensitivity, ultra-low detection lower limit, short response time and good stability and other excellent performance, widely used in human health, motion monitoring and other fields.

The invention discloses an aramid composite aerogel, a supported aramid composite aerogel and a preparation method and application thereof, and the preparation method of the aramid composite aerogel comprises the following steps: uniformly mixing polyethyleneimine and an aramid nanofiber dispersion solution to obtain a composite solution, and freeze-drying the composite solution to obtain the aramid composite aerogel. The aramid fiber composite aerogel is obtained. Taking the aramid fiber composite aerogel as a substrate material, firstly spraying a homogeneous thermoplastic polyurethane solution on the surface of the substrate material by using a spray gun, then spraying a silicon dioxide suspension, and after spraying is completed, curing to obtain the loaded aramid fiber composite aerogel, the aramid fiber composite aerogel and the supported aramid fiber composite aerogel provided by the invention have excellent mechanical, sound-absorbing and heat-insulating properties.

The present disclosure provides a transparent elastic electronic skin of a wearable optoelectronic device and a preparation method thereof. The method comprises the following steps: obtaining an electrode patterned carrier; electrospinning an elastic polymer spinning solution on an electrode pattern layer of the electrode patterned carrier to obtain an elastic fiber membrane-electrode patterned carrier; immersing the elastic fiber membrane-electrode patterned carrier in water or an ethanol solution to obtain a conductive elastic fiber precursor membrane A; performing spin coating on the conductive elastic fiber precursor membrane A, and then drying and curing to obtain a conductive elastic fiber precursor membrane B; and performing selective wetting operation on the electrode pattern layer of the conductive elastic fiber precursor membrane B by using a liquid conductive metal to obtain the transparent elastic electronic skin of the wearable optoelectronic device. The transparent elastic electronic skin prepared by the method has high light transmittance, high mechanical elasticity, excellent air and moisture permeability, stable conductivity and suitable adhesion, so as to better meet the long-term dynamic high-precision wearing requirements.