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The effect of tensile stress on permeability of free films of ethyl cellulose containing hydroxypropyl methylcellulose

✍ Scribed by Hjärtstam, Johan; Borg, Karin; Lindstedt, Bengt

Book ID
121782306
Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
607 KB
Volume
61
Category
Article
ISSN
0378-5173

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✍ Johan Hjärtstam; Thomas Hjertberg 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 140 KB 👁 3 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