纺织高校基础科学学报2026，Vol.39Issue(2)：11-20,10.DOI:10.13338/j.issn.1006-8341.2026.02.002
改性炭黑/热塑性聚氨酯导电柔性复合膜制备及性能
Preparation and performance of modified carbon black/thermoplastic polyurethane conductive flexible composite film
摘要
Abstract
To develop high-performance flexible sensors,carbon black(CB)was surface-modified with the silane coupling agent KH-550 and subsequently compounded with thermoplastic polyure-thane(TPU)via physical blending to fabricate m-CB/TPU conductive composite films.The re-sults demonstrate that the surface modification significantly improves the dispersion of the filler within the polymer matrix.When the mass fraction of m-CB reaches 25%,the composite film at-tains its percolation threshold,accompanied by an effective enhancement in electrothermal conver-sion performance.At a 30%m-CB mass fraction,the film exhibits optimal comprehensive sensing properties,featuring a broad pressure response range of 0-200 N and a rapid response time of 2.8 s.Moreover,it demonstrates excellent stability with signal fluctuations of less than 5%dur-ing a continuous 500 s test.Additionally,the film displays outstanding electroactive shape memo-ry performance,maintaining a shape recovery rate of 77%even after 5 cycles.In conclusion,the prepared m-CB/TPU composite films exhibit tremendous application potential in flexible sensing fields,particularly for smart wearable devices.关键词
热塑性聚氨酯/炭黑/电导率/物理共混/柔性传感器Key words
thermoplastic polyurethane/carbon black/electrical conductivity/physical blending/flexible sensors分类
轻工纺织引用本文复制引用
师文钊,涂智慧,刘瑾姝,李国旺,武耀文,蒋天昕,鲁若宸..改性炭黑/热塑性聚氨酯导电柔性复合膜制备及性能[J].纺织高校基础科学学报,2026,39(2):11-20,10.基金项目
陕西省科技厅重点研发计划项目(2024GX-YBXM-338,2025CY-YBXM-140) （2024GX-YBXM-338,2025CY-YBXM-140）
陕西省教育厅重点实验室项目(24JS017) （24JS017）
