Kinetically controlled homogenization and transformation of crystalline fiber networks in supramolecular materials

Li, Jing-Liang, Yuan, Bing, Liu, Xiang-Yang, Wang, Xun-Gai and Wang, Rong-Yao 2011, Kinetically controlled homogenization and transformation of crystalline fiber networks in supramolecular materials, Crystal growth and design, vol. 11, no. 7, pp. 3227-3234, doi: 10.1021/cg200501h.

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Title Kinetically controlled homogenization and transformation of crystalline fiber networks in supramolecular materials
Author(s) Li, Jing-LiangORCID iD for Li, Jing-Liang
Yuan, Bing
Liu, Xiang-Yang
Wang, Xun-GaiORCID iD for Wang, Xun-Gai
Wang, Rong-Yao
Journal name Crystal growth and design
Volume number 11
Issue number 7
Start page 3227
End page 3234
Total pages 8
Publisher American Chemical Society
Place of publication Washington, D. C.
Publication date 2011-07-06
ISSN 1528-7483
Keyword(s) benzyl benzoate
crystalline fibers
fiber networks
gelling agents
homogeneous network
isostearyl alcohols
multi domains
multidomain networks
rheological data
single fiber
supramolecular materials
thermodynamic driving forces
Summary Supramolecular materials with three-dimensional fiber networks have applications in many fields. For these applications, a homogeneous fiber network is essential in order to get the desired performance of a material. However, such a fiber network is hard to obtain, particularly when the crystallization of fiber takes place nonisothermally. In this work, a copolymer is used to kinetically control the nucleation and fiber network formation of a small molecular gelling agent, N-lauroyl-L-glutamic acid di-nbutylamide (GP-1) in benzyl benzoate. The retarded nucleation and enhanced mismatch nucleation of the gelator by the additive leads to the conversion of a mixed fiber network into a homogeneous network consisting of spherulites only. The enhanced structural mismatch of the GP-1 during crystallization is quantitatively characterized using the rheological data. This effect also leads to the transformation of an interconnecting (single) fiber network of GP-1 into a multidomain fiber network in another solvent, isostearyl alcohol. The approach developed is significant to the production of supramolecular materials with homogeneous fiber networks and is convenient to switch a single fiber network to a multidomain network without adjusting the thermodynamic driving force.
Language eng
DOI 10.1021/cg200501h
Field of Research 091205 Functional Materials
030603 Colloid and Surface Chemistry
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2011, American Chemical Society
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Document type: Journal Article
Collections: Centre for Material and Fibre Innovation
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