Polymer-salt hydrogel with electronically switchable stiffness
This technology creates a new class of hydrogels — water-swollen gel materials — that can reversibly switch between rigid and flexible states on demand. The gels are made by combining a specially modified aramid polymer (the same material family used in Kevlar) with ionic salts or ionic liquids in water. The key innovation is that the stiffness can be tuned or toggled by adjusting the ionic components, giving designers programmable mechanical properties in a single material. This opens doors to materials that are normally soft but can temporarily harden, or vice versa, without mechanical parts or external hardware.
What you could build
A tunable-stiffness material platform for use in soft robotics, adaptive protective gear, or biomedical devices such as flexible-yet-lockable catheters or exoskeleton components; target buyers would be medical device OEMs and defense-adjacent soft robotics developers.
Who in Virginia should care
Defense primes and government contractors in Northern Virginia, plus biomedical device companies in the Richmond-Charlottesville corridor, would be plausible early contacts.
Readiness: Lab validated
Concept — described but not yet demonstrated. Lab validated — supported by experimental results in the patent. Prototype likely — the text describes a built, working embodiment.
Readiness is inferred from the patent text, not from a lab visit.
The record
- Inventors
- Curt J. Zanelotti, Deyang Yu, Louis A. Madsen
- Filed
- Patent pending — filed September 3, 2024
- Status
- Application
- Publication number
- US20250171597A1
Ready to talk?
Virginia Tech Intellectual Properties handles licensing for this technology.
Prosim summaries are generated from public patent text and are not legal advice.