Substituent-engineered Furan-Maleimide Porous Organic Polymers <italic style="font-style: italic">via</italic> Diels-Alder Cycloaddition for Efficient Cr(VI) Adsorption

Jiao Zhou; Ao-Ming Jing; Long-Yu Li; Shi-Jie Ren

doi:10.1007/s10118-026-3615-8

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Substituent-engineered Furan-Maleimide Porous Organic Polymers via Diels-Alder Cycloaddition for Efficient Cr(VI) Adsorption

RESEARCH ARTICLE | Updated：2026-04-01

- Substituent-engineered Furan-Maleimide Porous Organic Polymers via Diels-Alder Cycloaddition for Efficient Cr(VI) Adsorption
- Chinese Journal of Polymer Science Vol. 44, Pages: 1-9(2026)
- Affiliations：
  
  College of Polymer Science and Engineering, State Key Laboratory of Advanced Polymer Materials, Sichuan University, Chengdu 610065, China
- Author bio：
  
  longyu88@scu.edu.cn (L.Y.L.)
  rensj@scu.edu.cn (S.J.R.)
- Funds：
- DOI：10.1007/s10118-026-3615-8
  CLC： [M
- Received：04 February 2026，
  
  Accepted：04 February 2026，
  
  Online First：01 April 2026，
  
  Published：05 May 2026
- Accepted：
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Zhou, J.; Jing, A. M.; Li, L. Y.; Ren, S. J. Substituent-engineered furan-maleimide porous organic polymers via Diels-Alder cycloaddition for efficient Cr(VI) adsorption. Chinese J. Polym. Sci. https://doi.org/10.1007/s10118-026-3615-8

Jiao Zhou, Ao-Ming Jing, Long-Yu Li, et al. Substituent-engineered Furan-Maleimide Porous Organic Polymers via Diels-Alder Cycloaddition for Efficient Cr(VI) Adsorption[J/OL]. Chinese Journal of Polymer Science, 2026, 441-9.
Zhou, J.; Jing, A. M.; Li, L. Y.; Ren, S. J. Substituent-engineered furan-maleimide porous organic polymers via Diels-Alder cycloaddition for efficient Cr(VI) adsorption. Chinese J. Polym. Sci. https://doi.org/10.1007/s10118-026-3615-8 DOI：

Jiao Zhou, Ao-Ming Jing, Long-Yu Li, et al. Substituent-engineered Furan-Maleimide Porous Organic Polymers via Diels-Alder Cycloaddition for Efficient Cr(VI) Adsorption[J/OL]. Chinese Journal of Polymer Science, 2026, 441-9. DOI： 10.1007/s10118-026-3615-8.

摘要

Abstract

With the increasing severity of environmental pollution and the severe threat posed by heavy metal ions

the development of adsorbents with high capacity and selectivity for toxic metal species has attracted increasing attention. Porous organic polymers (POPs) feature large surface areas

diverse building units and linkages

as well as highly tunable structures

making them promising candidates for water purification. In this work

three POPs bearing different substituents were synthesized

via

a furan-maleimide Diels-Alder reaction. Their adsorption performance toward hexavalent chromium [Cr(VI)

]

was systematically evaluated. The results show that all three POPs exhibited the highest Cr(VI) uptake at pH=1. Kinetic studies revealed that the adsorption process followed a pseudo-second-order kinetic model

while the equilibrium data were well described by the Langmuir isotherm

indicating monolayer adsorption on homogeneous sites. Among the three POPs

Por-OMe

which incorporated an electron-donating methoxy group

displayed the highest adsorption capacity for Cr(VI)

reaching 697.4 mg/g. These results demonstrate that furan-maleimide Diels-Alder chemistry provides an effective strategy to construct functiona

l POPs and that electronic modulation of the framework is a viable approach to enhance Cr(VI) adsorption performance.

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Substituent-engineered Furan-Maleimide Porous Organic Polymers via Diels-Alder Cycloaddition for Efficient Cr(VI) Adsorption

DOI：10.1007/s10118-026-3615-8

摘要

Abstract

关键词

Keywords

references