期刊文献+
共找到1篇文章
< 1 >
每页显示 20 50 100
Carbon Dots Intensified Mechanochemiluminescence from Waterborne Polyurethanes as Tunable Force Sensing Materials 被引量:2
1
作者 bo-han cao Wu Chen +2 位作者 Wan-Yuan Wei Yu-Lan Chen Yuan Yuan 《Chinese Journal of Polymer Science》 SCIE CAS CSCD 2021年第11期1403-1411,共9页
1,2-Dioxetane is a well-known chemiluminescent mechanophore allowing real-time monitoring of polymer chain scission,but usually suffers from fluorescence quenching in polar environments.Herein,a series of mechanochemi... 1,2-Dioxetane is a well-known chemiluminescent mechanophore allowing real-time monitoring of polymer chain scission,but usually suffers from fluorescence quenching in polar environments.Herein,a series of mechanochemiluminescent waterborne polyurethanes/carbon dots composites(WPU-CDs)have been synthesized by incorporating fluorescent CDs to promote the energy transfer process in different environments.The resulting bulk WPUs,and in particular,their swollen films filled with a large amount of polar solvents(water and ionic liquid)emit intense mechanochemiluminescence.Thus force-induced covalent bond scission and stress distribution within these different WPU-CDs films can be sensitively visualized.Furthermore,the ionic liquid containing films exhibited both electrical and luminescent signal changes under stretching,which offer a new kind of force sensor responsive at a broad detecting strain range and for multi-mode strain analysis.This study is expected to stimulate new research endeavors in mechanistic insight on waterborne polyurethanes and the corresponding stretchable sensing devices. 展开更多
关键词 Polymer mechanochemistry Mechanochemiluminescence Waterborne polyurethane Carbon dots Force sensing
原文传递
上一页 1 下一页 到第
使用帮助 返回顶部