What question did this study set out to answer?

The aim is to develop a flexible hydrogel that retains thermal insulation and mechanical stability at low temperatures.

January 25, 2026

Preparation of a Low-Temperature, Thermally Insulating, and Flexible Sensing Hydrogel Using Hemp-Derived High-Charge Nanocellulose

WCWei ChenChongqing Technology and Business University ZLZheng LiZhejiang University of Science and Technology FZFangxin ZouBeijing Institute of Technology

Key Points

The aim is to develop a flexible hydrogel that retains thermal insulation and mechanical stability at low temperatures.
Preparation of hydrogel using hemp-derived high-charge nanocellulose
Testing mechanical strength and conductivity at varying temperatures
Evaluation of the hydrogel's thermal insulating properties
The hydrogel showed significantly improved thermal insulation compared to conventional materials.
Enhanced mechanical strength was observed, making it suitable for flexible applications.
Electrical conductivity was optimized, expanding potential uses in low-temperature scenarios.

Abstract

Conventional hydrogel sensors often suffer from poor mechanical strength, susceptibility to freezing at low temperatures, and inadequate electrical conductivity, which severely limit their practical applications in flexible electronics and low‑temperature...

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