Effect of hydroxyl group content in ethy
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Johan HjΓ€rtstam; Thomas Hjertberg
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Article
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1999
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John Wiley and Sons
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English
β 140 KB
π 2 views
The change in the water permeability, glass transition temperatures, and mechanical properties of ethyl cellulose with different degrees of substitution are presented. Studies of the hydroxyl group content on the polymer chains indicate that the mechanical properties of a free film decrease as the h