Fabrication of Functional Biobased Epoxy Coatings <italic style="font-style: italic">via</italic> Cinnamic Acid Grafting: Synergistic Antibacterial, Antifouling, UV-resistant, and Superhydrophobic Properties

Ming-Xuan Chen; Shu Tian; Shuai-Peng Wang; Sakil Mahmud; Guang-Ming Lu; Jin-Yue Dai; Xiao-Qing Liu

doi:10.1007/s10118-025-3426-3

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Fabrication of Functional Biobased Epoxy Coatings via Cinnamic Acid Grafting: Synergistic Antibacterial, Antifouling, UV-resistant, and Superhydrophobic Properties

RESEARCH ARTICLE | Updated：2025-12-03

- Fabrication of Functional Biobased Epoxy Coatings via Cinnamic Acid Grafting: Synergistic Antibacterial, Antifouling, UV-resistant, and Superhydrophobic Properties
- Chinese Journal of Polymer Science Vol. 43, Issue 12, Pages: 2252-2263(2025)
- Affiliations：
  
  a.Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
  b.Key Laboratory of Advanced Marine Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
  c.Ivory V. Nelson Center for the Sciences, Department of Chemistry and Physics, Lincoln University, Oxford, Pennsylvania 19352, USA
- Author bio：
  
  luguangming@nimte.ac.cn(G.M.L.)
  daijinyue@nimte.ac.cn (J.Y.D.)
- Funds：
- DOI：10.1007/s10118-025-3426-3
  CLC：
- Received：18 June 2025，
  
  Accepted：02 August 2025，
  
  Online First：12 November 2025，
  
  Published：15 December 2025
- Accepted：
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Chen, M. X.; Tian, S.; Wang, S. P.; Mahmud, S.; Lu, G. M.; Dai, J. Y.; Liu, X. Q. Fabrication of functional biobased epoxy coatings via cinnamic acid grafting: synergistic antibacterial, antifouling, UV-resistant, and superhydrophobic properties. Chinese J. Polym. Sci. 2025, 43, 2252–2263

Ming-Xuan Chen, Shu Tian, Shuai-Peng Wang, et al. Fabrication of Functional Biobased Epoxy Coatings via Cinnamic Acid Grafting: Synergistic Antibacterial, Antifouling, UV-resistant, and Superhydrophobic Properties[J]. Chinese Journal of Polymer Science, 2025, 43(12): 2252-2263. DOI: 10.1007/s10118-025-3426-3.
Chen, M. X.; Tian, S.; Wang, S. P.; Mahmud, S.; Lu, G. M.; Dai, J. Y.; Liu, X. Q. Fabrication of functional biobased epoxy coatings via cinnamic acid grafting: synergistic antibacterial, antifouling, UV-resistant, and superhydrophobic properties. Chinese J. Polym. Sci. 2025, 43, 2252–2263 DOI： 10.1007/s10118-025-3426-3.

Ming-Xuan Chen, Shu Tian, Shuai-Peng Wang, et al. Fabrication of Functional Biobased Epoxy Coatings via Cinnamic Acid Grafting: Synergistic Antibacterial, Antifouling, UV-resistant, and Superhydrophobic Properties[J]. Chinese Journal of Polymer Science, 2025, 43(12): 2252-2263. DOI: 10.1007/s10118-025-3426-3. DOI：

摘要

In this study

a simple method was adopted to synthesize the epoxy resin precursor based on cinnamic acid. The inorganic component was introduced into the epoxy resin system by chemically bonding the KH560-modified silica aerogel. Finally

the multifunctional epoxy resin coating with UV resistance

anti-fouling and superhydrophobic properties was prepared through curing and crosslinking with IPDA.

Abstract

Effective antifouling coatings are critical for protecting marine infrastructure from biofouling and environmental degradation; however

achieving long-term antifouling performance along with environmental stability remains a major challenge. In this study

a multifunctional bio-based epoxy coating is developed by integrating a dual-action antifouling system. Cinnamic acid (CA)

which is known for its antibacterial and UV-shielding properties

was chemically grafted into ethylene glycol diglycidyl ether (EGDE) to provide intrinsic antifouling and anti-UV functions. Simultaneously

the KH560-modified silica aerogel was incorporated to create a dense hydrophobic surface that repels microorganism adhesion. The resulting coating exhibited a superhydrophobic contact angle of 154.3°

an ultralow surface energy

and exceptional resistance to protein and algal adhesion. Additionally

it achieves 99% bactericidal efficiency against

Escherichia coli

(

E. coli

) and

Staphylococcus aureus

(

S. aureus

) while maintaining high transparency and ease of processing. These results highlight a promising strategy for designing durable and eco-friendly antifouling coatings suitable for demanding marine environments.

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Keywords

references

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Fabrication of Functional Biobased Epoxy Coatings via Cinnamic Acid Grafting: Synergistic Antibacterial, Antifouling, UV-resistant, and Superhydrophobic Properties

DOI：10.1007/s10118-025-3426-3

摘要

Abstract

关键词

Keywords

references