Invention Reference Number
This invention introduces a new class of mechanically robust, adaptive hybrid polymeric materials that use dynamic bonding to produce intelligent, reversible visual responses—most notably, strain-induced transparency changes. The design overcomes delamination challenges common in conventional multilayer mechanoresponsive systems by leveraging an upcycled commodity elastomer. The resulting material enables durable, tunable optical behavior suitable for smart windows, sensing, and visual communication technologies.
Description
This technology provides a unique approach to creating resilient mechanoresponsive materials by integrating reversible chemical interactions within an upcycled thermoplastic elastomer matrix. Unlike traditional multilayer or nanocomposite systems that often fail under repeated deformation, this design incorporates a combination of dynamic covalent and non-covalent bonding motifs. These interactions occur both within the material and at engineered interfaces with nanoparticles, enabling controlled mechanical adaptability and enhanced structural integrity.
The reversible nature of the bonding network supports strain-dependent optical transitions—maintaining transparency at rest while becoming opaque under tension—and returns to the original state once the stress is released. This mechanism allows the material to function as an intelligent optical element without relying on fragile interfaces. The adaptable network also contributes to improved malleability, reprocessability, and thermal/chemical stability compared with conventional smart polymers. By leveraging dynamic chemistry at polymer–nanoparticle interfaces and a sustainable upcycling strategy, this invention presents a pathway toward durable, recyclable, and high-performance smart materials for a broad range of optical and sensing applications.
Benefits
- Reversible, strain-dependent optical response
- Enhanced mechanical durability without multilayer delamination
- Improved malleability, reusability, and stability
- Sustainable upcycling of commodity polymers
Applications and Industries
- Smart windows and architectural materials
- Optical and strain-sensing devices
- Visual communication and display technologies
- Consumer electronics, automotive, and building energy systems
Contact
To learn more about this technology, email partnerships@ornl.gov or call 865-574-1051.
