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Title: Relaxation phenomena of acrylic esters and phenols in dilute solution of CCl4 under static and high frequency electric field
Authors: Sahoo, S
Middya, T R
Sit, S K
Keywords: Double relaxation times;Dipole moment;Monomer;Dimer;High frequency susceptibility
Issue Date: Nov-2015
Publisher: NISCAIR-CSIR, India
Abstract: Double relaxation times 2 and 1 due to whole molecular rotation and the flexible parts of the binary (jk) polar mixture of p-cresol, p-chlorophenol, 2,4 dichlorophenol and p-bromophenol with methyl methacrylate (MMA) or ethyl methacrylate (EMA) were estimated under 9.37 GHZ electric field dissolved in dilute CCl4 solution at 35°C using high frequency susceptibility data ijk’s for different weight fractions wjk’s. Six systems out of eight exhibit 2, 1; c2, c1 and μ2, μ1, respectively. The estimated 2’s and μ2’s agree well with the measured and reported values indicating the whole rotation of binary polar mixture under high frequency electric field. Solute-solute and solute-solvent molecular formation through H-bonding are ascertained from μavxj curves for 0.5 mole fraction xj of acrylic ester. The associational aspects are taken into consideration in μtheo from the stand point of inductive, mesomeric and electromeric effects within the polar groups of the molecules. Static μ0’s are calculated and compared with the reported values also.
Page(s): 725-735
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.53(11) [November 2015]

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