Sequential Covalent Locking of Cellulosic Eutectic Systems Enables Transparent High-strength and Luminescent Engineering Glasses

Ren-Ai Li; Yu-Chen Cao; Xiao-Yue Zheng

doi:10.1007/s10118-026-3832-1

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Sequential Covalent Locking of Cellulosic Eutectic Systems Enables Transparent High-strength and Luminescent Engineering Glasses

RESEARCH ARTICLE | Updated：2026-09-30

- Sequential Covalent Locking of Cellulosic Eutectic Systems Enables Transparent High-strength and Luminescent Engineering Glasses
- Chinese Journal of Polymer Science Vol. 44, Pages: 1-12(2026)
- Affiliations：
  
  College of Light Industry and Food Engineering, Jiangsu Provincial Key Lab of Sustainable Pulp and Paper Technology and Biomass Materials, Nanjing Forestry University, Nanjing 210037, China
- Author bio：
  
  lirenai@njfu.edu.cn
- Funds：
- DOI：10.1007/s10118-026-3832-1
  CLC：
- Received：04 June 2026，
  
  Accepted：04 August 2026，
  
  Online First：30 September 2026，
  
  Published：2026-09
- Accepted：
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Li, R. A.; Cao, Y. C.; Zheng, X. Y. Sequential covalent locking of cellulosic eutectic systems enables transparent high-strength and luminescent engineering glasses. Chinese J. Polym. Sci. https://doi.org/10.1007/s10118-026-3832-1

Ren-Ai Li, Yu-Chen Cao, Xiao-Yue Zheng. Sequential Covalent Locking of Cellulosic Eutectic Systems Enables Transparent High-strength and Luminescent Engineering Glasses[J/OL]. Chinese Journal of Polymer Science, 2026, 441-12.
Li, R. A.; Cao, Y. C.; Zheng, X. Y. Sequential covalent locking of cellulosic eutectic systems enables transparent high-strength and luminescent engineering glasses. Chinese J. Polym. Sci. https://doi.org/10.1007/s10118-026-3832-1 DOI：

Ren-Ai Li, Yu-Chen Cao, Xiao-Yue Zheng. Sequential Covalent Locking of Cellulosic Eutectic Systems Enables Transparent High-strength and Luminescent Engineering Glasses[J/OL]. Chinese Journal of Polymer Science, 2026, 441-12. DOI： 10.1007/s10118-026-3832-1.

摘要

Abstract

The fabrication of functional cellulose engineering solids holds great promise for sustainable optics but is severely hindered by the processing paradox imposed by its recalcitrant hydrogen-bonded architecture. To overcome this bottleneck

an orchestrated sequential covalent molecular locking strategy has been reported to transition dynamic cellulosic eutectic melts into robust luminescent glass. Utilizing a cellulose acetate butyrate/thymol eutectic plasticization platform

primary anchoring was implemented

via

isocyanate chemistry

followed by

in situ

3D crosslinking. This topological reconfiguration induces microscopic network densification and network vitrification

leading to enhanced tensile strength (from about 10.2 MPa to about 55.3 MPa)

90% transparency

and high hydrolytic stability. Mechanistically

the dense network establishes extreme space confinement

triggering the restriction of molecular motion to suppress nonradiative decay and activate efficient solid-state luminescence with programmable multicolor outputs. This deconstruction–locking–activation approach offers a versatile chemical method for developing next-generation high-performance biomass-derived functional materials.

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references

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