High-pressure nuclear-magnetic-resonance study of carbon-13 relaxation in 2-ethylhexyl benzoate and 2-ethylhexyl cyclohexanecarboxylate was written by Adamy, S. T.;Grandinetti, P. J.;Masuda, Y.;Campbell, D.;Jonas, J.. And the article was included in Journal of Chemical Physics in 1991.Application of 5444-75-7 The following contents are mentioned in the article:
Natural abundance 13C spin-lattice relaxation times and 13C-Hnuclear Overhauser enhancement (NOE) times of 2-ethylhexyl benzoate (EHB) and 2-ethylhexyl cyclohexanecarboxylate (EHC) were measured along isotherms of -20, 0, 20, 40, and 80° at pressures of 1-5000 bars using high-pressure, high-resolution NMR techniques. The ability to use pressure as an exptl. variable allowed a study of a wide range of mol. motions from extreme narrowing into the slow motional regime. In addition, the high-resolution capability even at high pressure permits the measurement of 13C and NOE for each individual C in the mols. studied. Relaxation in both mols. is successfully analyzed in terms of a model assuming a Cole-Davidson distribution of correlation times. The comparison of parameters used in the model demonstrates the increased flexibility of the EHC ring over the EHB ring and shows how the presence of the flexible ring contributes to the increased over-all mobility of the EHC mol. The anal. of mol. reorientations in terms of activation volumes indicates that EHB motion is highly restricted at low temperature This study involved multiple reactions and reactants, such as 2-Ethylhexyl benzoate (cas: 5444-75-7Application of 5444-75-7).
2-Ethylhexyl benzoate (cas: 5444-75-7) belongs to esters. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Polyesters are important plastics, with monomers linked by ester moieties. Liquid esters of low volatility serve as softening agents for resins and plastics. Esters also include many industrially important polymers. Polymethyl methacrylate is a glass substitute sold under the names Lucite and Plexiglas; polyethylene terephthalate is used as a film (Mylar) and as textile fibres sold as Terylene, Fortrel, and Dacron.Application of 5444-75-7
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