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Scaleable two-component gelator from phthalic acid derivatives and primary alkyl amines: acid–base interaction in the cooperative assembly

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Abstract

A series of phthalic acid derivatives (P) with a carbon-chain tail was designed and synthesized as single-component gelators. A combination of the single-component gelator P and a non-gelling additive n-alkylamine A through acid–base interaction brought about a series of novel phase-selective two-component gelators PA. The gelation capabilities of P and PA, and the structural, morphological, thermo-dynamic and rheological properties of the corresponding gels were investigated. A molecular dynamics simulation showed that the H-bonding network in PA formed between the NH of A and the carbonyl oxygen of P altered the assembly process of gelator P. Crude PA could be synthesized through a one-step process without any purification and could selectively gel the oil phase without a typical heating–cooling process. Moreover, such a crude PA and its gelation process could be amplified to the kilogram scale with high efficiency, which offers a practical economically viable solution to marine oil-spill recovery.

Graphical abstract: Scaleable two-component gelator from phthalic acid derivatives and primary alkyl amines: acid–base interaction in the cooperative assembly

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Publication details

The article was received on 23 Apr 2017, accepted on 11 May 2017 and first published on 12 May 2017


Article type: Paper
DOI: 10.1039/C7SM00797C
Citation: Soft Matter, 2017, Advance Article
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    Scaleable two-component gelator from phthalic acid derivatives and primary alkyl amines: acid–base interaction in the cooperative assembly

    T. Su, K. H. Hong, W. Zhang, F. Li, Q. Li, F. Yu, G. Luo, H. Gao and Y. He, Soft Matter, 2017, Advance Article , DOI: 10.1039/C7SM00797C

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