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Shape Memory-Assisted Anticounterfeiting Polymer Platforms
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DOI：10.1039/D5TC03659C.png)
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Abstract
En 中文
Conventional anticounterfeiting have gradually lost their credibility due to the improvement of sophisticated forging methods. There is a growing need to fabricate new anticounterfeiting platforms with multi-mode authentication. In next-generation shape memory-assisted anticounterfeiting polymeric materials; stimuli-induced shape changing as a result of shape memory effect is utilized as one security mode; and other smart phenomena are considered another alarm mode. These systems are divided into different categories; such as shape memory and luminescent; shape memory and chromic; and shape memory and lithography-based dual-mode anticounterfeiting structures. In these systems; fluorescence emission; photochromism; and thermochromism have received more attention. Time is also used as the other authentication modes in these systems; which are named as dynamic anticounterfeiting systems. The time-dependent nature of the shape memory effect could serve as a dynamic alarm mode that could increase the effectiveness and applicability of the shape memory-assisted anticounterfeiting systems. New perspectives and ideas are proposed for future studies; which could improve the anti-forging level of the prepared materials. Using different stimuli-induced chromism; fluorescent and phosphorescent abilities; various shape memory behaviors; e.g.; triple shape memory effect; fibrous structures with different morphologies; such as layer-by-layer and core-shell; could significantly complicate the faking process of these systems.
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