Dielectric relaxation of butyl acrylate—alcohol mixtures using time domain reflectometry
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K. Dharmalingam
,
K. Ramachandran
Abstract
Dielectric relaxation measurements of butyl acrylate—alcohol mixtures at different concentrations and temperatures within the frequency range of 10 MHz to 10 GHz have been carried out using time domain reflectometry. Parameters such as the static permittivity, dielectric relaxation time, the Kirkwood correlation factor, the excess inverse relaxation time, and thermodynamic functions were determined and discussed to yield information on the molecular structure and dynamics of the mixture. The value of the dielectric properties decreases with increasing butyl acrylate concentration in alcohol and systematically varies with the length of alcohol alkyl chain. Negative values of the excess inverse relaxation time found for all concentrations and at all temperatures studied may indicate that the effective dipoles rotate slowly.
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© 2007 Institute of Chemistry, Slovak Academy of Sciences
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- Mobility of important toxic analytes in urban dust and simulated air filters determined by sequential extraction and GFAAS/ICP-OES methods
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Artikel in diesem Heft
- Step by step towards understanding gold glyconanoparticles as elements of the nanoworld
- Structure—activity relationships for in vitro oxime reactivation of chlorpyrifos-inhibited acetylcholinesterase
- Separation and characterization of products from thermal cracking of individual and mixed polyalkenes
- Mobility of important toxic analytes in urban dust and simulated air filters determined by sequential extraction and GFAAS/ICP-OES methods
- Effect of addition of ameliorative materials on the distribution of As, Cd, Pb, and Zn in extractable soil fractions
- Effect of gamma irradiation on trichromatic values of spices
- Homo- and heteronuclear complexes of a new, vicinal dioxime ligand
- Synthesis of new triphenodithiazine- and indolocarbazolediones of biological interest
- Dielectric relaxation of butyl acrylate—alcohol mixtures using time domain reflectometry
- Ab initio study of small coinage metal telluride clusters AunTem (n, m = 1, 2)
- Binding affinities and spectra of complexes formed by dehydrotetrapyrido[20]annulene and small molecules
- Comparison of spectrophotometric and HPLC methods for determination of lipid peroxidation products in rat brain tissues
- Enantioselective extraction of mandelic acid enantiomers by L-dipentyl tartrate and β-cyclodextrin as binary chiral selectors
- Mechanism of thermal decomposition of cobalt acetate tetrahydrate
- Three-component, one-pot synthesis of 3,4-dihydropyrimidin-2-(1H)-ones catalyzed by bromodimethylsulfonium bromide
