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Title: Rheological Properties of Gels from Pyrene Based Low Molecular Weight Gelators

Abstract

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.

Authors:
;  [1]
  1. University of Jyvaeskylae, Department of Chemistry, Survontie 9, 40500 Jyvaeskylae (Finland)
Publication Date:
OSTI Identifier:
21149132
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1027; Journal 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)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; ALCOHOLS; CORRELATIONS; GELATION; GELS; NANOSTRUCTURES; PYRENE; RHEOLOGY; SCANNING ELECTRON MICROSCOPY; SHEAR; SOLVENTS

Citation Formats

Leivo, Kimmo T., and Hahma, Arno P. Rheological Properties of Gels from Pyrene Based Low Molecular Weight Gelators. United States: N. p., 2008. Web. doi:10.1063/1.2964570.
Leivo, Kimmo T., & Hahma, Arno P. Rheological Properties of Gels from Pyrene Based Low Molecular Weight Gelators. United States. doi:10.1063/1.2964570.
Leivo, Kimmo T., and Hahma, Arno P. Mon . "Rheological Properties of Gels from Pyrene Based Low Molecular Weight Gelators". United States. doi:10.1063/1.2964570.
@article{osti_21149132,
title = {Rheological Properties of Gels from Pyrene Based Low Molecular Weight Gelators},
author = {Leivo, Kimmo T. and Hahma, Arno P.},
abstractNote = {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.},
doi = {10.1063/1.2964570},
journal = {AIP Conference Proceedings},
number = 1,
volume = 1027,
place = {United States},
year = {Mon Jul 07 00:00:00 EDT 2008},
month = {Mon Jul 07 00:00:00 EDT 2008}
}