ArticleSmall (Weinheim an der Bergstrasse, Germany)2025
Butterfly Wing Microstructure Inspired Solid/Porous Alternating Layered Structures: In Situ Visualization of Confined Foaming.
Article in Small (Weinheim an der Bergstrasse, Germany), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Butterfly Wing Microstructure Inspired Solid/Porous Alternating Layered Structures: In Situ Visualization of Confined Foaming.Small (Weinheim an der Bergstrasse, Germany) · 2025Article
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Authors and funding
8 authors.
Funding
Abstract
This study explores confined foaming in micro-/nano-layered (MNL) solid/porous alternating structures inspired by the hierarchical architecture of Ulysses butterfly wings. Biomimetic MNL films composed of alternating polycarbonate (PC) and polymethyl methacrylate (PMMA) layers (17-513 layers) are fabricated via advanced coextrusion and foaming techniques. In situ visualization reveals confinement effects dependent on layer thickness; while nucleation primarily occurrs at PC/PMMA interfaces due to reduced energy barriers, a strong confinement zone within 10 µm of the interfaces significantly restricts cell growth, most notably in the 129-layer and 513-layer samples, where single-cell rows are observed. Thermal regulation tests show that the 513-layer bio-mimic structure reduces temperature rise by 80%, 65%, and 50% compared to polyethylene (PE) film, a three-layer sandwich structure, and butterfly wings, respectively. It also exhibits exceptional delay in heat accumulation under radiative conditions, with a time to reach half of the maximum temperature rise of 165 s, compared to 20 s (PE) and 40 s (both three-layer and butterfly wing). The bio-mimic architecture also exhibits strong anisotropic thermal conductivity, effectively suppressing through-thickness heat transfer while enhancing lateral dissipation. These results connect nature-inspired design and practical implementation, highlighting the potential of bio-mimic MNL structures for advanced thermal management applications.
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Registered trials
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