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Temperature Dependence of Water Vapor Permeability

✍ Scribed by Doty, Paul M.; Aiken, W. H.; Mark, H.


Book ID
121811574
Publisher
American Chemical Society
Year
1946
Weight
473 KB
Volume
38
Category
Article
ISSN
0019-7866

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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