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On the linear correlation between microhardness and mechanical properties in polar polymers and blends

✍ Scribed by E Giménez; JM Lagarón; R Gavara; JJ Saura

Publisher
John Wiley and Sons
Year
2003
Tongue
English
Weight
77 KB
Volume
52
Category
Article
ISSN
0959-8103

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✦ Synopsis

Abstract

The tensile elastic modulus (E), yield stress (σ~Y~) and microhardness (MH) of neat and binary and ternary blends of glassy semicrystalline ethylene–vinyl alcohol copolymer (EVOH), a glassy amorphous polyamide and a semicrystalline nylon‐containing ionomer covering a broad range of properties were examined. The tests were carried out on dry and water‐equilibrated samples to produce stiffer and softer materials, respectively. From the results, more accurate linear correlations were found to describe adequately the microhardness, modulus and yield stress of these strongly self‐associated polymers through hydrogen bonding. Copyright © 2003 Society of Chemical Industry

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