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Development and performance of a sodium alginate-based thermosensitive hydrogel for suppressing coal spontaneous combustion

delete2026-07-01
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PRE
AI
Z
Zhengyan Wu *
Z
Zixin Xu
L
Lin Zhu
X
Xing Chen
Z
Zhifan Wang
S
Shuguang Jiang
Y
Yiyun Zhao
W
Weiqing Zhang *
DOI：10.1016/j.tca.2026.180387delete
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Abstract

Abstract

En 中文
• Optimized SA-based thermosensitive hydrogel with 60 °C transition and 90.55% water retention. • Gelation time shortens with rising T and Ea drops from 130.70 to 20.50 kJ/mol. • Excellent moisture retention over 40-80 °C and stable colloid for 15 days. • Dense film coats coal, isolates O₂; modified SA raises decomposition peak to 460 °C. • Temperature-driven sol-gel transition via H-bond breakage and hydrophobic aggregation.

Journal

Thermochimica Acta cover
Thermochimica Acta
IF:
3.5
Papers:
9.5K
Citations:
1.9W

Organization

C
china university of mining and technology
Scholars:
4.8K
Papers: 1.7K
Citations: 0
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