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Effect of plasticization on the stability of the physicomechanical properties of polyetherurethane in a humid medium

Effect of plasticization on the stability of the physicomechanical properties of... The moisture uptake by segmented poly(tetramethylene oxide)urethanes with different content of a low-polarity plasticizer, di(2-ethylhexyl) sebacate, and the mechanical behavior of these materials in a humid atmosphere were studied. Plasticization appreciably improves the physicomechanical properties and frost resistance of the microheterogeneous polyurethane. The modification of the polyetherurethane by the low-polarity plasticizer is advantageous for ensuring high strength characteristics of the elastomer in a humid atmosphere. The extent of recovery of the polyurethane properties on drying was estimated. The polyurethane plasticized with di(2-ethylhexyl)sebacate can be used in items operated in highly humid air. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Effect of plasticization on the stability of the physicomechanical properties of polyetherurethane in a humid medium

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References (14)

Publisher
Springer Journals
Copyright
Copyright © 2015 by Pleiades Publishing, Ltd.
Subject
Chemistry; Chemistry/Food Science, general; Industrial Chemistry/Chemical Engineering
ISSN
1070-4272
eISSN
1608-3296
DOI
10.1134/S107042721504014X
Publisher site
See Article on Publisher Site

Abstract

The moisture uptake by segmented poly(tetramethylene oxide)urethanes with different content of a low-polarity plasticizer, di(2-ethylhexyl) sebacate, and the mechanical behavior of these materials in a humid atmosphere were studied. Plasticization appreciably improves the physicomechanical properties and frost resistance of the microheterogeneous polyurethane. The modification of the polyetherurethane by the low-polarity plasticizer is advantageous for ensuring high strength characteristics of the elastomer in a humid atmosphere. The extent of recovery of the polyurethane properties on drying was estimated. The polyurethane plasticized with di(2-ethylhexyl)sebacate can be used in items operated in highly humid air.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Jul 14, 2015

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