Rheological Properties of Gels from Pyrene Based Low Molecular Weight Gelators

Journal Article · Mon Jul 07 00:00:00 EDT 2008 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.2964570· OSTI ID:21149132

Leivo, Kimmo T; Hahma, Arno P ^[1]

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1. University of Jyvaeskylae, Department of Chemistry, Survontie 9, 40500 Jyvaeskylae (Finland)

Gels of pyrene derived low molecular weight organogelators (LMOGs) in primary alcohols have been characterized by rheometry and scanning electron microscopy. Total gelator concentration was 1-2.7 % w/w depending on the solvent and the gelator, including equimolar amounts of the gelator and 2,4,7-trinitrofluorenone (TNF), which is necessary for gelation. Thermoreversible and strongly shear thinning gels were achieved as the two components interact non-covalently to form a gel network. A qualitative correlation between the rheological properties and the nanoscale gel structure were found.

• OSTI ID: 21149132
• Journal Information: AIP Conference Proceedings, Vol. 1027, Issue 1; Conference: 15. international congress on rheology: Society of Rheology 80. annual meeting, Monterey, CA (United States), 3-8 Aug 2008; Other Information: DOI: 10.1063/1.2964570; (c) 2008 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
ALCOHOLS
CORRELATIONS
GELATION
GELS
NANOSTRUCTURES
PYRENE
RHEOLOGY
SCANNING ELECTRON MICROSCOPY
SHEAR
SOLVENTS