Journal
POLYMER
Volume 46, Issue 18, Pages 7317-7322Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.polymer.2005.04.041
Keywords
polyurea; polyurethane; segmented copolymers
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Thermoplastic segmented polyurethane and polyurea copolymers whose monodisperse hard segments are based on only a single diisocyanate molecule are discussed. The solid-state structure-property behavior of these materials demonstrates that a proper selection of the level of symmetry and/or cohesiveness of the hard microdomains may allow elimination of the traditional requirement of chain extension to obtain melt processable segmented urethanes, and more specifically, urea copolymers with useful structural properties. (c) 2005 Elsevier Ltd. All rights reserved.
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