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Controllable mechanochromic responses in fluorescent elastomers via perylene bisimide aggregation engineering
Dengchong Feng1,2, Yechang Feng3, Zhaozhao Xu1
1School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China. mazt@gdut.edu.cn.
Abstract:
This study presents an aggregation-engineering strategy to create tunable, reversible mechanochromic elastomers by doping carboxylated perylene bisimides (PBI) into polyurethane elastomers (TPUs). Additionally, the mechanochromic sensitivity of PBI was found to correlate with the hydrogen bonding strength between TPU and PBI, providing theoretical guidance for anticounterfeiting and sensing applications.
