Preparation and Properties of Fire-retardant Epoxy Resin Containing an Environmentally Friendly Bio-based CS@SA@ZIF-67 Core-shell Nano-hybrid

Nan Xu; Guo-Fang Qiu; Li-Ping Jin; Chen-Peng Ji; Cong-Ke Gu; Ling-Xin He; Wen-Wen Guo

doi:10.1007/s10118-025-3326-6

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Preparation and Properties of Fire-retardant Epoxy Resin Containing an Environmentally Friendly Bio-based CS@SA@ZIF-67 Core-shell Nano-hybrid

RESEARCH ARTICLE | Updated：2025-04-29

- Preparation and Properties of Fire-retardant Epoxy Resin Containing an Environmentally Friendly Bio-based CS@SA@ZIF-67 Core-shell Nano-hybrid
- Preparation and Properties of Fire-retardant Epoxy Resin Containing an Environmentally Friendly Bio-based CS@SA@ZIF-67 Core-shell Nano-hybrid
- 高分子科学（英文） 2025年43卷第5期页码：828-836
- Affiliations：
  
  a.Key Laboratory of Eco-textiles, Ministry of Education, College of Textile Science and Engineering, Jiangnan University, Wuxi 214122, China
  b.State Grid Anhui Electric Power Research Institute, Hefei 230601, China
- Author bio：
  
  guoww@jiangnan.edu.cn
- Funds：
  
  This work was financially supported by the National Natural Science Foundation of China (Nos. 22475087 and 22205082), Natural Science Foundation of Jiangsu Province (No. BK20221098), Textile Light Applied Basic Research Project (No. J202107), and Doctor Project of Innovation and Entrepreneurship in Jiangsu Province (No. JSSCBS20210821).
- DOI：10.1007/s10118-025-3326-6
  中图分类号：
- 收稿日期：2024-12-24，
  
  修回日期：2025-02-12，
  
  录用日期：2025-02-26，
  
  网络出版日期：2025-04-15，
  
  纸质出版日期：2025-04-30
- Accepted：
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Xu, N.; Qiu, G. F.; Jin, L. P.; Ji, C. P.; Gu, C. K.; He, L. X.; Guo, W. W. Preparation and properties of fire-retardant epoxy resin containing an environmentally friendly bio-based CS@SA@ZIF-67 core-shell nano-hybrid. Chinese J. Polym. Sci. 2025, 43, 828–836

Nan Xu, Guo-Fang Qiu, Li-Ping Jin, et al. Preparation and Properties of Fire-retardant Epoxy Resin Containing an Environmentally Friendly Bio-based CS@SA@ZIF-67 Core-shell Nano-hybrid[J]. Chinese journal of polymer science, 2025, 43(5): 828-836.
Xu, N.; Qiu, G. F.; Jin, L. P.; Ji, C. P.; Gu, C. K.; He, L. X.; Guo, W. W. Preparation and properties of fire-retardant epoxy resin containing an environmentally friendly bio-based CS@SA@ZIF-67 core-shell nano-hybrid. Chinese J. Polym. Sci. 2025, 43, 828–836 DOI： 10.1007/s10118-025-3326-6.

Nan Xu, Guo-Fang Qiu, Li-Ping Jin, et al. Preparation and Properties of Fire-retardant Epoxy Resin Containing an Environmentally Friendly Bio-based CS@SA@ZIF-67 Core-shell Nano-hybrid[J]. Chinese journal of polymer science, 2025, 43(5): 828-836. DOI： 10.1007/s10118-025-3326-6.

摘要

A novel CS@SA@ZIF-67 core-shell nano-hybrid was synthesized and incorporated into epoxy resin (EP) to prepare flame retardant nanocomposites (EP/CS@SA@ZIF-67). The hybrid and char residue analysis results demonstrated that CS@SA@ZIF-67 hybrid was a promising candidate in the field of multifunctional fabrics with simultaneously improved flame retardancy and smoke suppression behaviors.

Abstract

In this study

a novel CS@SA@ZIF-67 core-shell nano-hybrid was synthesized using zeolitic imidazole framework-67 (ZIF-67) as a template and CS@SA@ZIF-67 as a modifier. Then

flame-retardant nanocomposites (EP/CS@SA@ZIF-67) were obtained by combining the hybrid with epoxy resins. The microstructure and morphology of CS@SA@ZIF-67 and the residual chars were explored using Fourier transform infrared (FTIR)

scanning electron microscopy (SEM)

and X-ray diffraction (XRD)

and the effect of the obtained hybrid materials on the fire performance of the epoxy resins was characterized. Compared with the flame retardant system composed of ZIF-67 and pure EP

the hybrid flame retardant composites exhibited low total heat release and smoke production. The thermogravimetric analysis (TGA) results showed that the maximum thermal decomposition temperature of the EP/CS@SA@ZIF-67 based composite coating was stabilized at the highest value (378.2 and 563.9 °C) so that the introduction of CS@SA@ZIF-67 could improve the thermal properties of the EP/CS@SA@ZIF-67 composites to a certain extent. Meanwhile

the cone test results indicated that the peak heat release rate pHRR of the CS@SA@ZIF-67 filled EP composite was reduced by 18.43% compared to that of pure EP

implying enhanced flame retardancy. The enhanced thermal stability and flame retardancy of the CS@SA@ZIF-67 composites were mainly ascribed to the catalytic effect and carbonization ability of CS@SA@ZIF-67.

关键词

Keywords

references

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