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Free volume and water vapor permeability of dense segmented polyurethane membrane

✍ Scribed by S. Mondal; J.L. Hu; Z. Yong

Book ID
108207961
Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
304 KB
Volume
280
Category
Article
ISSN
0376-7388

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## Abstract A series of segmented polyurethanes (PUs) were prepared, in which five different polyols and hexamethylene diisocyanate were used as soft segments, and 4,4′‐diphenylmethane diisocyanate, hydrophilic segment poly (ethylene glycol) 200 (PEG 200), and chain extender 1,4‐butanediol were use