摘要
The polyvinylidene fluoride(PVDF)nanofiber web by electrospinning technology has the characteristics of fast response,high sensitivity,wide range of pressure,etc.,and provides new sensitive materials for the sensor testing the dynamic pressure such as foot pressure during walking.Because of the nanofiber mesh structure,it must be packaged to collect piezoelectric charge and bear strong mechanical behavior before industrial practice.The PVDF nanofiber web is usually packaged by incorporating a pair of flexible electrode as well as the lead of signal output.This present work will introduce the detailed packaging process and technology of PVDF nanofiber web,and three different types of packaging electrode materials(adhesive copper foil tape,indium tin oxide(ITO)thin plate,and adhesive conductive cloth)in previously published literatures are compared by the piezoelectric response of their sensor prototypes to a periodic mechanical activation.The results showed that the surface property of packaging material had a significant effect on the piezoelectric response of sensor by PVDF nanofiber web.For PVDF nanofiber web sensor,therefore,it needed a deep investigation on the specific packaging technology in terms of different working conditions.
The polyvinylidene fluoride （PVDF） nanofiber web by dectruspinning technology has the characteristics of fast response, high sensitivity, wide range of pressure, etc., and provides new sensitive materials for the sensor testing the dynamic pressure such as foot pressure during walking. Because of the nanofiber mesh structure, it must be packaged to collect piezoelectric charge and bear strong mechanical behavior before industrial practice. The PVDF nanofiber web is usually packaged by incorporating a pair of flexible electrode as well as the lead of signal output. This present work will introduce the detailed packaging process and technology of PVDF nanofiber web, and three different types of packaging electrode materials （adhesive copper foil tape, indium tin oxide （ITO） thin plate, and adhesive conductive cloth） in previously published literatures are compared by the piezoelectric response of their sensor prototypes to a periodic mechanical activation. The results showed that the surface property of packaging material had a significant effect on the piezoelectric response of sensor by PVDF nanofiber web. For PVDF nanofiber web sensor, therefore, it needed a deep investigation on the specific packaging technology in terms of different working conditions.
基金
“111 Project”Biomedical Textile Materials Science and Technology,China(No.B07024)
National Natural Science Foundation of China(No.51405079)
China Postdoctoral Science Foundation(No.2015M570307)
the Fundamental Research Funds for the Central Universities,China
the Jiangsu Planned Projects for Postdoctoral Research Funds,China
