基于芳香羧酸配体的有机凝胶、金属凝胶的制备及流变性能

doi:10.11896/cldb.23090162

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Abstract Four types of aromatic carboxylic acid compounds (CDCn (n=4, 6, 8, 10)) containing cholesterol groups were synthesized in this work, and their gelation properties in different solvents were tested. Moreover, the gelation abilities of the compounds consisted of these four compounds and Tb³⁺/Eu³⁺ were also tested in different solvents. CDCn could form supramolecular gels in DMF/H₂O and DMSO/H₂O mixed solvents. And also, CDCn with Tb³⁺/Eu³⁺could formed metallogels in these two mixed solvents. SEM measurement revealed that the micromorpho-logy of the organogel was completely changed by coordination interaction. FTIR measurements demonstrated that there was the coordination interaction between CDCn and Tb³⁺/Eu³⁺ in metallogels. The rheological measurement indicated that the introduction of metal ions dramatically improved the strength of supramolecular gels and the formed metallogels had the excellent reversible thixotropic property.

Key words： supramolecular gels metallogels aromatic carboxylic ligands coordination self-assembly thixotropic property

Published: 10 February 2025 Online: 2025-02-05

CLC number:

O648

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	Articles by authors
	XUE Min
	LU Zhuoyan
	YU Lulu
	DING Yao
	CHEN Jing

Cite this article:

XUE Min,LU Zhuoyan,YU Lulu, et al. Preparation and Rheological Properties of Organogels and Metallogels Based on Aromatic Carboxylic Ligands[J]. Materials Reports, 2025, 39(3): 23090162-6.

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http://www.mater-rep.com/EN/10.11896/cldb.23090162 OR http://www.mater-rep.com/EN/Y2025/V39/I3/23090162

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