Dielectric Relaxation Studies of Alkylacrylates with Ortho-Substituted Benzoic acids in 1, 4 - Dioxane
Journal Title: International Journal of Engineering Sciences & Research Technology - Year 30, Vol 3, Issue 7
Abstract
Dielectric absorption studies of Hydrogen bonded complexes of alkyl acrylates with ortho substituted benzoic acid (2 - Fluro benzoic acid, 2 - Iodo benzoic acid, 2 - Chloro benzoic acid, 2 - Bromo benzoic acid, and 2 - Nitro benzoic acid) were studied at microwave frequency 9.43GHz in dilute solution of 1,4 - Dioxane at room temperature. Different dielectric parameters like dielectric constant () and dielectric loss () at microwave frequency, and static dielectric constant (0) and dielectric constant () at optical frequency were determined. The validity of the single frequency equation proposed by Higasi et.al., for multiple relaxation time (1) was found to be a function of the hydrogen bonding strength in benzoic acid, whereas the group rotation relaxation time (2) was a function of the steric interaction of proton donor. The relaxation time was maximum at 1:1 molar ratios of alky acrylates with ortho substituted benzoic acid.
Authors and Affiliations
F. Liakath Ali Khan*
Keywords
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