Multifunctional Hierarchical Coatings with Synergistic Anti-graffiti and Ultra-hardness Properties for NIR Shielding Energy-saving Windows

Li-Kai Yang; Qian-Qian Hou; Shu-Di Ying; Cong-Cong Zhai; Xu Yang; Yu-Lin Yin; Qian Liu; Bing Wei; Ming-Wei Shao; Pan-Pan Zhao; Xiu-Xian Zhao; Wen-Ting Li; Jia-Chen Ma; Chuan-Yong Zong; Yong Nie; Xu-Chuan Jiang

doi:10.1007/s10118-025-3544-y

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Multifunctional Hierarchical Coatings with Synergistic Anti-graffiti and Ultra-hardness Properties for NIR Shielding Energy-saving Windows

RESEARCH ARTICLE | Updated：2026-02-13

- Multifunctional Hierarchical Coatings with Synergistic Anti-graffiti and Ultra-hardness Properties for NIR Shielding Energy-saving Windows
- Chinese Journal of Polymer Science Vol. 44, Issue 3, Pages: 833-844(2026)
- Affiliations：
  
  a.Institute for Smart Materials & Engineering, School of Materials Science and Engineering, University of Jinan, Jinan 250022, China
  b.Shandong Institute of Non-Metallic Materials, Jinan 250031, China
  c.Huzhou College, Huzhou 313000, China
  d.School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, China
  e.Shandong Dahu New Materials Co., Ltd., Jinan 250022, China
- Author bio：
  
  ism_majc@ujn.edu.cn (J.C.M.)
  ism_jiangxc@ujn.edu.cn (X.C.J.)
- Funds：
- DOI：10.1007/s10118-025-3544-y
  CLC：
- Received：11 October 2025，
  
  Revised：2025-12-31，
  
  Accepted：05 January 2026，
  
  Online First：06 February 2026，
  
  Published：15 March 2026
- Accepted：
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Yang, L. K.; Hou, Q. Q.; Ying, S. D.; Zhai, C. C.; Yang, X.; Yin, Y. L.; Liu, Q.; Wei, B.; Shao, M. W.; Zhao, P. P.; Zhao, X. X.; Li, W. T.; Ma, J. C.; Zong, C. Y.; Nie, Y.; Jiang, X. C. Multifunctional hierarchical coatings with synergistic anti-graffiti and ultra-hardness properties for NIR shielding energy-saving windows. Chinese J. Polym. Sci. 2026, 44, 833–844

Li-Kai Yang, Qian-Qian Hou, Shu-Di Ying, et al. Multifunctional Hierarchical Coatings with Synergistic Anti-graffiti and Ultra-hardness Properties for NIR Shielding Energy-saving Windows[J]. Chinese Journal of Polymer Science, 2026, 44(3): 833-844.
Yang, L. K.; Hou, Q. Q.; Ying, S. D.; Zhai, C. C.; Yang, X.; Yin, Y. L.; Liu, Q.; Wei, B.; Shao, M. W.; Zhao, P. P.; Zhao, X. X.; Li, W. T.; Ma, J. C.; Zong, C. Y.; Nie, Y.; Jiang, X. C. Multifunctional hierarchical coatings with synergistic anti-graffiti and ultra-hardness properties for NIR shielding energy-saving windows. Chinese J. Polym. Sci. 2026, 44, 833–844 DOI： 10.1007/s10118-025-3544-y.

Li-Kai Yang, Qian-Qian Hou, Shu-Di Ying, et al. Multifunctional Hierarchical Coatings with Synergistic Anti-graffiti and Ultra-hardness Properties for NIR Shielding Energy-saving Windows[J]. Chinese Journal of Polymer Science, 2026, 44(3): 833-844. DOI： 10.1007/s10118-025-3544-y.

摘要

The hierarchical design integrates high hardness

excellent abrasion resistance

anti-graffiti

transparency

and long-term operational durability into a single intelligent thermal insulation window system.

Abstract

The efficient regulation of sunlight to minimize unnecessary energy exchange through windows plays a vital role in advancing building energy efficiency. However

the inferior stability of cerium-doped tungsten trioxide (CWO) as a near-infrared (NIR) shielding material

combined with the poor mechanical properties of its coatings

poses significant challenges for long-term thermal insulation performance. Here

a hierarchical thermal insulation coating with multifunctional integration has been developed. The inner layer’s excellent NIR shielding performance (94.4%) results in a temperature reduction of 13.6 °C

demonstrating outstanding thermal insulation. Meanwhile

the external layer composed of polysilsesquioxane grafted by carboxylated hexafluoropropylene trimer offers exceptional weather resistance due to the low surface energy. The fluorosilicone coating effectively mitigates oxidation of CWO

as evidenced by the retention of NIR shielding performance even after 30 days of exposure to 60 °C and 90% relative humidity. Furthermore

the coating demonstrates superior anti-graffiti properties and achieves an ultra-high mechanical strength of 0.49 GPa through precise fluorine content modulation. This hierarchical design integrates high hardness

excellent abrasion resistance

anti-graffiti functionality

transparency

and long-term operational durability into a single smart window system

offering a promising solution for reducing building energy consumption.

关键词

Keywords

references

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