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Effects of the Degree of Crosslinking on Properties of Poly(vinyl alcohol) Membranes

✍ Scribed by Kim, Kwang-Je; Lee, Soo-Bok; Han, Neung Won

Book ID
123612310
Publisher
Nature Publishing Group
Year
1993
Tongue
English
Weight
886 KB
Volume
25
Category
Article
ISSN
0032-3896

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## Abstract A proton‐exchange membrane for a direct methanol fuel cell was prepared by modifying the chemical structure of poly(vinyl alcohol) (PVA) via a sulfonation. The sulfonation was carried out by using sulfophthalic acid (sPTA) as a sulfonating agent. The sulfonated PVA membranes, with a var