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Si-doped carbonized polymer dot as robust hydrophilic coating using for high efficiency antifogging
Kaibo Pan1, Xiaoyu Wei1, Zhicheng Zhu1
1State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, People's Republic of China.
Journal of Colloid and Interface Science
|June 9, 2024
Summary
This study developed a robust hydrophilic anti-fogging coating using Si-doped carbonized polymer dots (Si-CPDs) crosslinked with GPTMS and EO. The coating offers excellent anti-fogging and mechanical properties for various transparency substrates.
Area of Science:
- Materials Science
- Surface Chemistry
- Nanotechnology
Background:
- Hydrophilic coatings prevent surface fogging but often lack mechanical durability.
- Existing anti-fogging solutions face limitations in performance and robustness.
Purpose of the Study:
- To develop a mechanically robust hydrophilic anti-fogging coating.
- To enhance the performance of anti-fogging coatings through novel material design.
Main Methods:
- Synthesized Si-doped carbonized polymer dots (Si-CPDs) using a one-step hydrothermal method from EDTA and APOS.
- Prepared a resin solution by crosslinking Si-CPDs with GPTMS and EO.
- Obtained the composite coating via simple heating curing.
Main Results:
- The coating exhibited excellent anti-fogging performance due to introduced hydroxyl groups from EO.
- The inorganic component provided outstanding mechanical properties.
- The composite coating demonstrated robust hydrophilic and anti-fogging functions.
Conclusions:
- The developed coating overcomes the limitations of traditional hydrophilic coatings.
- This robust anti-fogging coating shows significant potential for applications on optical lenses, mirrors, and other transparent substrates.

