Microengineering of supramolecular soft materials by design of the crystalline fiber networks

Li, Jing-Liang, Yuan, Bing, Liu, Xiang-Yang and Xu, Hong-Yao 2010, Microengineering of supramolecular soft materials by design of the crystalline fiber networks, Crystal growth & design, vol. 10, no. 6, pp. 2699-2706, doi: 10.1021/cg100188w.

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Title Microengineering of supramolecular soft materials by design of the crystalline fiber networks
Author(s) Li, Jing-LiangORCID iD for Li, Jing-Liang orcid.org/0000-0003-0709-2246
Yuan, Bing
Liu, Xiang-Yang
Xu, Hong-Yao
Journal name Crystal growth & design
Volume number 10
Issue number 6
Start page 2699
End page 2706
Total pages 8
Publisher American Chemical Society
Place of publication Washington, D.C.
Publication date 2010-05-12
ISSN 1528-7483
Summary Crystalline spherulitic fiber networks are commonly observed in polymeric and supramolecular functional materials. The elasticity of materials with this type of network is low if interactions between the individual spherulites are weak (mutually exclusive). Improving the elasticity of these materials is necessary because of their important applications in many fields. In this work, the engineering of the microstructures and rheological properties of this type of material is carried out. A small molecule organogel formed by the gelation of N-lauroyl-L-glutamic acid di-n-butylamide (GP-1) in propylene glycol (PG) is used as an example. The elasticity of this material is improved by controlling the thermodynamic driving force, the supersaturation of the gelator, and by using a selected copolymer additive to manipulate the primary nucleation of GP-1. Because of the weak interactions between the GP-1 spherulites, with the same fiber mass, the elasticity of GP-1/PG gel is less than half of those of the other two gels formed by GP-1 and 2-hydroxystearlic acid in solvent benzyl benzoate (BB), which are supported by interconnecting spherulitic fiber networks. This work develops a robust approach to the engineering of supramolecular functional materials especially those with mutually exclusive spherulite fiber networks.
Language eng
DOI 10.1021/cg100188w
Field of Research 091205 Functional Materials
030603 Colloid and Surface Chemistry
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2010, American Chemical Society
Persistent URL http://hdl.handle.net/10536/DRO/DU:30039290

Document type: Journal Article
Collections: Centre for Material and Fibre Innovation
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