Far Infrared and Terahertz Spectroscopy of Polymers by Valery A. Ryzhov (English

Description: Far Infrared and Terahertz Spectroscopy of Polymers by Valery A. Ryzhov The presented work summarises and systematises an extensive experimental material of the results of studying polymers using spectroscopy in the low-frequency infrared region. Today, spectroscopic studies in the far infrared region are becoming an important tool for characterising the physical properties of polymers, determined by molecular dynamics and the level of molecular interactions. Low-frequency spectroscopy of intermolecular interactions is the original and most informative source and criterion for establishing the presence of a hydrogen bond in biological substances, multiplets and clusters in ionomers, a criterion for crystallinity, etc. Far IR spectroscopy has proven to be productive in deciphering the molecular nature of solid-state (Î, Î², and Î³) relaxation transitions in polymers. This was the result of (1) evaluating the potential barriers and sizes of molecular motion units from the spectra, (2) finding empirical correlations between the spectral parameters and molecular characteristics of polymers, and (3) comparing the results with activation barriers for relaxation transitions. FORMAT Paperback LANGUAGE English CONDITION Brand New Table of Contents Preface; List of Abbreviations; Introduction; Features of Infrared Spectra of Polymers; Skeletal Torsion-Deformation Vibrations in Amorphous Polymers. Theoretical Predictions and Experiment; Absorption by the Poly Mechanism in Low-Frequency IR Spectra of Polymers; Low-Frequency IR Spectra and Molecular Interpretation Relaxation Processes in Amorphous Polymers; Low-Frequency IR Spectra as a Source of Direct Information about Interchain Interactions in Polymers; Conclusions; References; Applications; Index. Long Description The presented work summarizes and systematizes an extensive experimental material of the results of studying polymers using spectroscopy in the low-frequency infrared region. Today, spectroscopic studies in the far infrared region are becoming an important tool for characterizing the physical properties of polymers, determined by molecular dynamics and the level of molecular interactions. Low-frequency spectroscopy of intermolecular interactions is the original and most informative source and criterion for establishing the presence of a hydrogen bond in biological substances, multiplets and clusters in ionomers, a criterion for crystallinity, etc. Far IR spectroscopy has proven to be productive in deciphering the molecular nature of solid-state (δ, β, and γ) relaxation transitions in polymers. This was the result of (1) evaluating the potential barriers and sizes of molecular motion units from the spectra, (2) finding empirical correlations between the spectral parameters and molecular characteristics of polymers, and (3) comparing the results with activation barriers for relaxation transitions. Details ISBN1685076629 Author Valery A. Ryzhov Series Polymer Science and Technology Language English Year 2022 ISBN-10 1685076629 ISBN-13 9781685076627 Format Paperback Pages 168 Publisher Nova Science Publishers Inc Imprint Nova Science Publishers Inc Place of Publication New York Country of Publication United States AU Release Date 2022-06-01 NZ Release Date 2022-06-01 UK Release Date 2022-06-01 DEWEY 620.192042 Audience General Publication Date 2022-03-30 US Release Date 2022-03-30 We've got this At The Nile, if you're looking for it, we've got it. With fast shipping, low prices, friendly service and well over a million items - you're bound to find what you want, at a price you'll love! TheNile_Item_ID:135727137;

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