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Synthesis of copolymeric acrylamide/potassium acrylate hydrogels blended with poly(vinyl alcohol): Effect of crosslinking and the amount of poly(vinyl alcohol) on swelling behavior

✍ Scribed by Syed Wasim Ali; Syed Arif Raza Zaidi


Publisher
John Wiley and Sons
Year
2005
Tongue
English
Weight
86 KB
Volume
98
Category
Article
ISSN
0021-8995

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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