A humidity / light-heat dual driving composite film for wearable devices and a preparation method thereof
A single-layer homogeneous composite membrane was prepared by blending polyquaternium-7, chitosan, and reduced graphene oxide, which solved the problems of easy delamination of multilayer structures, complicated preparation process, low response sensitivity, and poor biocompatibility. It achieved rapid response, excellent mechanical properties and high transparency, and is suitable for wearable devices.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- DONGHUA UNIV
- Filing Date
- 2026-05-14
- Publication Date
- 2026-07-17
AI Technical Summary
Existing humidity/photothermal dual-drive composite films suffer from problems such as easy delamination and detachment of multi-layer structures, complicated preparation processes, low response sensitivity, poor biocompatibility, and insufficient optical transparency, making it difficult to meet the actual application needs of wearable devices.
A single-layer homogeneous structure is adopted, and a composite membrane is prepared by blending polyquaternium-7, chitosan and reduced graphene oxide. A stable three-dimensional network structure is formed through intermolecular hydrogen bonds, which simplifies the preparation process and achieves synergistic complementarity of the properties of each component.
It achieves rapid humidity/photothermal response, excellent mechanical properties, high transparency, and good biocompatibility, making it suitable for the mass production and application of wearable devices.
Smart Images
Figure CN122404889A_ABST