ArticleACS applied materials & interfaces2024
Sticky Multicolor Mechanochromic Labels.
Article in ACS applied materials & interfaces, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Hollow Cholesteric Liquid Crystal Elastomer Fiber with Synergistically Enhanced Resilience and Mechanochromic Sensitivity.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Training and retraining liquid crystal elastomer metamaterials for pluripotent functionality.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Should I stay or should I flow? An exploration of phase-separated metallosupramolecular liquid crystal polymers.Chemistry (Weinheim an der Bergstrasse, Germany) · 2025Article
- Mechanochromic Displays Based on Photoswitchable Cholesteric Liquid Crystal Elastomers.Angewandte Chemie (International ed. in English) · 2025Article
- Fundamental Aspects of Stretchable Mechanochromic Materials: Fabrication and Characterization.Materials (Basel, Switzerland) · 2024Review
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Sticky-colored labels are an efficient way to communicate visual information. However, most labels are static. Here, we propose a new category of dynamic sticky labels that change structural colors when stretched. The sticky mechanochromic labels can be pasted on flexible surfaces such as fabric and rubber or even on brittle materials. To enhance their applicability, we demonstrate a simple method for imprinting structural color patterns that are either always visible or reversibly revealed or concealed upon mechanical deformation. The mechanochromic patterns are imprinted with a photomask during the ultraviolet (UV) cross-linking of acrylate-terminated cholesteric liquid crystal oligomers in a single step at room temperature. The photomask locally controls the cross-linking degree and volumetric response of the cholesteric liquid crystal elastomers (CLCEs). A nonuniform thickness change induced by the Poisson's ratio contrast between the pattern and the surrounding background might lead to a color-separation effect. Our sticky multicolor mechanochromic labels may be utilized in stress-strain sensing, building environments, smart clothing, security labels, and decoration.
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Registered trials
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