Morphology and water vapor permeability
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X. M. Ding; J. L. Hu; X. M. Tao; C. P. Hu; G. Y. Wang
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Article
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2007
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John Wiley and Sons
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English
โ 494 KB
๐ 2 views
## Abstract A series of segmented polyurethanes (PUs) were prepared, in which five different polyols and hexamethylene diisocyanate were used as soft segments, and 4,4โฒโdiphenylmethane diisocyanate, hydrophilic segment poly (ethylene glycol) 200 (PEG 200), and chain extender 1,4โbutanediol were use