Radiolysis of aqueous solutions of poly(vinyl alcohol) at 77K
Publication type: Journal Article
Publication date: 2010-08-01
scimago Q2
wos Q1
SJR: 0.543
CiteScore: 5.6
Impact factor: 3.3
ISSN: 0969806X, 18790895
Radiation
Abstract
Abstract Paramagnetic products of low-temperature X-ray radiolysis of aqueous poly(vinyl alcohol) solutions (2.5 and 5% by weight) were studied by ESR spectroscopy. Experimental spectra were ascribed to a superposition of signals from hydroxyl radicals and –CH 2 − • C(OH)–CH 2 − macroradicals (C α -macroradicals), respectively. No ESR signals corresponding to trapped electrons were observed that was attributed to the peculiarities of microheterogenous structure of the frozen aqueous polymer solutions. Annealing at 115 K resulted in partial conversion of OH radicals to C α -macroradicals. It was suggested that main part of hydroxyl radicals was stabilized in phase of polycrystalline ice while macroradicals were formed in “mixed” water–polymer phase. The radiation–chemical yields of paramagnetic species stabilized in the systems under study were determined.
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Zakurdaeva O. A. et al. Radiolysis of aqueous solutions of poly(vinyl alcohol) at 77K // Radiation Physics and Chemistry. 2010. Vol. 79. No. 8. pp. 876-879.
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Zakurdaeva O. A., Nesterov S., Feldman V. I. Radiolysis of aqueous solutions of poly(vinyl alcohol) at 77K // Radiation Physics and Chemistry. 2010. Vol. 79. No. 8. pp. 876-879.
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TY - JOUR
DO - 10.1016/j.radphyschem.2010.03.010
UR - https://linkinghub.elsevier.com/retrieve/pii/S0969806X10001805
TI - Radiolysis of aqueous solutions of poly(vinyl alcohol) at 77K
T2 - Radiation Physics and Chemistry
AU - Zakurdaeva, Olga A
AU - Nesterov, Sergey
AU - Feldman, Vladimir I.
PY - 2010
DA - 2010/08/01
PB - Elsevier
SP - 876-879
IS - 8
VL - 79
SN - 0969-806X
SN - 1879-0895
ER -
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BibTex (up to 50 authors)
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@article{2010_Zakurdaeva,
author = {Olga A Zakurdaeva and Sergey Nesterov and Vladimir I. Feldman},
title = {Radiolysis of aqueous solutions of poly(vinyl alcohol) at 77K},
journal = {Radiation Physics and Chemistry},
year = {2010},
volume = {79},
publisher = {Elsevier},
month = {aug},
url = {https://linkinghub.elsevier.com/retrieve/pii/S0969806X10001805},
number = {8},
pages = {876--879},
doi = {10.1016/j.radphyschem.2010.03.010}
}
Cite this
MLA
Copy
Zakurdaeva, Olga A., et al. “Radiolysis of aqueous solutions of poly(vinyl alcohol) at 77K.” Radiation Physics and Chemistry, vol. 79, no. 8, Aug. 2010, pp. 876-879. https://linkinghub.elsevier.com/retrieve/pii/S0969806X10001805.