Microengineering of soft functional materials by controlling the fiber network formation

Li, Jing-Liang and Liu, Xiang-Yang 2009, Microengineering of soft functional materials by controlling the fiber network formation, The journal of physical chemistry b, vol. 113, no. 47, pp. 15467-15472, doi: 10.1021/jp907963t.

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Title Microengineering of soft functional materials by controlling the fiber network formation
Author(s) Li, Jing-LiangORCID iD for Li, Jing-Liang orcid.org/0000-0003-0709-2246
Liu, Xiang-Yang
Journal name The journal of physical chemistry b
Volume number 113
Issue number 47
Start page 15467
End page 15472
Total pages 6
Publisher American Chemical Society
Place of publication Washington, D.C.
Publication date 2009
ISSN 1520-6106
1520-5207
Summary The engineering of soft functional materials based on the construction of three-dimensional interconnecting self-organized nanofiber networks is reported. The system under investigation is an organogel formed by N-lauroyl-L-glutamic acid di-n-butylamide (GP-1) in propylene glycol. The engineering of soft functional materials is implemented by controlling primary nucleation kinetics of GP-1, which can be achieved by both reducing thermodynamic driving force and/or introducing a tiny amount of specific copolymers (i.e., poly(methyl methacrylate comethacrylic acid)). The primary nucleation rate of GP-1 is correlated to the number density of GP-1 spherulites, which determines the overall rheological properties of soft functional materials. The results show that the presence of a tiny amount of the polymer (0.01-0.06%) can effectively inhibit the nucleation of GP-1 spherulites, which leads to the formation of integrated fiber networks. It follows that with the additive approach, the viscoelasticity of the soft functional material is significantly enhanced (i.e., more than 1.5 times at 40 °C). A combination of the thermal and additive approach led to an improvement of 3.5 times in the viscosity of the gel.
Language eng
DOI 10.1021/jp907963t
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 ©2009, American Chemical Society
Persistent URL http://hdl.handle.net/10536/DRO/DU:30039298

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