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Related Experiment Video

Updated: Jul 12, 2026

Three-dimensional Biomimetic Technology: Novel Biorubber Creates Defined Micro- and Macro-scale Architectures in Collagen Hydrogels

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Published on: February 12, 2016

Supra-biomimetic Impact-Resistant Composites via Harnessing Macro-Microscale Competition.

Miao Lei^1,2, Mengqi Sun³, Qixuan Zhu^1,3

¹State Key Laboratory of Flexible Electronics (LoFE) and Institute of Flexible Electronics (IFE), MIIT Key Laboratory of Flexible Electronics (KLoFE), Shaanxi Key Laboratory of Flexible Electronics, Northwestern Polytechnical University, Xi'an, China.

Research (Washington, D.C.)

|July 11, 2026

Summary

This study introduces a novel composite material that mimics natural biomaterials for superior impact resistance. The new material effectively protects sensitive electronics from high-speed impacts.

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Published on: August 19, 2015

Area of Science:

Materials Science
Biomaterials Engineering
Composite Materials

Background:

Natural biomaterials exhibit remarkable mechanical properties due to hierarchical structures.
Synthetic hydrogels struggle to replicate this multiscale synergy, facing macro-microscale competition.
Overcoming this competition is key to developing advanced synthetic materials.

Purpose of the Study:

To develop a supra-biomimetic composite with enhanced impact resistance.
To overcome the macro-microscale competition in synthetic hydrogels.
To create a material compatible with microelectronics protection.

Main Methods:

Embedding a 3D-printed gradient-twisted plywood (GT) framework into a hierarchically anisotropic (HA) hydrogel matrix.
Employing a supra-biomimetic design to regulate macro-microscale interactions.
Utilizing wafer-level integration for protecting electronic devices.

Main Results:

The GT-HA composite demonstrated superior impact resistance, attenuating up to 88% of impact force.
Achieved a compressive strength of 183.57 MPa at a high strain rate (4,000 s^-1).
Maintained long-term stability with <5% decay over 35 days.

Conclusions:

A scalable strategy for designing ultra-impact-resistant materials by managing macro-micro competition was established.
The developed composite shows promise for applications in embodied intelligence, aerospace, and electronics protection.
The fabrication process is compatible with integrated circuit/microelectromechanical system technologies.