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Mechanisms of Elementary Acts of Photochemical Destruction of Cellulose Nanolayer at Room Temperature

Mechanisms of Elementary Acts of Photochemical Destruction of Cellulose Nanolayer at Room... Doklady Chemistry, Vol. 387, Nos. 4–6, 2002, pp. 335–338. Translated from Doklady Akademii Nauk, Vol. 387, No. 5, 2002, pp. 643–646. Original Russian Text Copyright © 2002 by Pristupa, Sharpatyi. CHEMISTRY Mechanisms of Elementary Acts of Photochemical Destruction of Cellulose Nanolayer at Room Temperature A. I. Pristupa* and V. A. Sharpatyi** Presented by Academician L.A. Piruzyan June 26, 2002 Received June 26, 2002 Studying the room-temperature photocatalytic and To measure the time frame for appearance of radi- mechanoactivated destruction of cellulose, a natural cals involved in polymer destruction (types of radicals stereoregular polymer, by nanolayer spectroscopy of and their magnetic resonance parameters are reported reaction-yield-detected magnetic resonance (RYDMR) in [2, 3]), time-resolved RYDMR spectra were [1] resulted in detection of a complete set of free radi- recorded; this technique allowed us to separately cals inherent in polysaccharides [2, 3]. On the basis of observe spectral components that arise from different the results therein, the conclusion about the existence of radicals generated on the polymer surface at room tem- the free-radical channel of their destruction has been perature in the time range from a few nanoseconds. The drawn and possible schemes of radical participation in time parameters are listed in http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Doklady Chemistry Springer Journals

Mechanisms of Elementary Acts of Photochemical Destruction of Cellulose Nanolayer at Room Temperature

Doklady Chemistry , Volume 387 (6) – Oct 10, 2004

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Publisher
Springer Journals
Copyright
Copyright © 2002 by MAIK "Nauka/Interperiodica"
Subject
Chemistry; Chemistry/Food Science, general; Industrial Chemistry/Chemical Engineering
ISSN
0012-5008
eISSN
1608-3113
DOI
10.1023/A:1021727710802
Publisher site
See Article on Publisher Site

Abstract

Doklady Chemistry, Vol. 387, Nos. 4–6, 2002, pp. 335–338. Translated from Doklady Akademii Nauk, Vol. 387, No. 5, 2002, pp. 643–646. Original Russian Text Copyright © 2002 by Pristupa, Sharpatyi. CHEMISTRY Mechanisms of Elementary Acts of Photochemical Destruction of Cellulose Nanolayer at Room Temperature A. I. Pristupa* and V. A. Sharpatyi** Presented by Academician L.A. Piruzyan June 26, 2002 Received June 26, 2002 Studying the room-temperature photocatalytic and To measure the time frame for appearance of radi- mechanoactivated destruction of cellulose, a natural cals involved in polymer destruction (types of radicals stereoregular polymer, by nanolayer spectroscopy of and their magnetic resonance parameters are reported reaction-yield-detected magnetic resonance (RYDMR) in [2, 3]), time-resolved RYDMR spectra were [1] resulted in detection of a complete set of free radi- recorded; this technique allowed us to separately cals inherent in polysaccharides [2, 3]. On the basis of observe spectral components that arise from different the results therein, the conclusion about the existence of radicals generated on the polymer surface at room tem- the free-radical channel of their destruction has been perature in the time range from a few nanoseconds. The drawn and possible schemes of radical participation in time parameters are listed in

Journal

Doklady ChemistrySpringer Journals

Published: Oct 10, 2004

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