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Related Experiment Video

Updated: May 28, 2026

Fabrication of a Bioactive, PCL-based "Self-fitting" Shape Memory Polymer Scaffold

Fabrication of a Bioactive, PCL-based "Self-fitting" Shape Memory Polymer Scaffold

Published on: October 23, 2015

Bio-Inspired Thermoregulatory Textile Enabled by Flexible Bidirectional Shape Memory Polymer.

Jing Yan¹, Yahong Wang¹, Zhaoyang Wang¹

¹School of Textile Science and Engineering, Tiangong University, Tianjin 300387, China.

Biomimetics (Basel, Switzerland)

|May 26, 2026

Summary

Researchers developed smart thermoregulatory textiles using a shape memory polymer (SMP) inspired by water lilies. These adaptive textiles automatically adjust to temperature changes, enhancing thermal comfort without external power.

Keywords:

environmental adaptability shape memory polymer thermoregulatory textile wearing comfort

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Last Updated: May 28, 2026

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Published on: September 2, 2015

Area of Science:

Materials Science
Textile Engineering
Biomimicry

Background:

Passive thermoregulatory textiles are essential for maintaining human thermal comfort.
Integrating autonomous environmental adaptability with wearing comfort in textiles is a significant challenge.
Existing solutions often lack dynamic response to fluctuating ambient temperatures.

Purpose of the Study:

To engineer thermoregulatory textiles with autonomous environmental adaptability and superior wearing comfort.
To develop a textile system that dynamically responds to ambient temperature fluctuations.
To mimic the autonomous actuation principles observed in nature, specifically water lilies.

Main Methods:

Fabrication of a crosslinked polyethylene glycol-butyl acrylate (PEG-BA) bidirectional shape memory polymer (SMP) network.
Engineering the PEG phase for thermally induced actuation and the BA component for softness.
Integration of the bidirectional polymer into a garment to create adaptive vents.

Main Results:

The synthesized PEG-BA network demonstrated a bidirectional shape memory effect with 15.5% reversible strain.
The material exhibited high macroscopic softness comparable to human skin.
Adaptive vents in the garment autonomously opened in hot environments and closed in cool environments.

Conclusions:

The proposed intelligent strategy successfully created thermoregulatory textiles with dynamic environmental adaptability.
The smart textile significantly enhanced human thermal comfort by actively managing heat dissipation and loss.
This approach holds considerable potential for maintaining optimal human comfort in variable environmental conditions.