Selvy Malita Munarsetya Maksum
Submission Date: 2015-07-10 04:52:06
Accepted Date: 2016-01-21 11:59:56


Membran komposit PVA/kitosan untuk aplikasi (DMFC) dari PVA dan kitosan dengan variasi komposisi (1:5; 2:4; 3:3; 4:2; 5:1) yang terikat silang asam sulfat telah disintesis. Komposisi PVA/kitosan terbaik dari uji ketahanan termal dan uji kuat tarik yaitu 3:3. Penambahan kitosan menyebabkan tingginya nilai tensile strength, namun menurunkan nilai break elongation. Penambahan PVA menyebabkan suhu onset meningkat dan persen weight loss menurun. Penambahan variasi GO (0-2%) bertujuan mengetahui pengaruh terhadap water uptake dan methanol uptake. Persentase water uptake meningkat seiring bertambahnya kadar GO dan persentase methanol uptake menurun hingga kadar GO 1,5% dan meningkat pada kadar GO 2%.


Membran; Kitosan; PVA; Grafin Oksida; Asam Sulfat; DMFC.


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