Asadian Puja Enggita
Submission Date: 2015-07-10 04:36:54
Accepted Date: 2016-01-21 11:57:54


Membran komposit PVA/kitosan/grafin oksida yang terikat silang tirisodium sitrat telah disintesis. Membran PVA/Kitosan di buat dengan variasi komposisi (1/5; 2/4; 3/3; 4/2; 5/1) diuji dengan TGA dan uji tarik. Membran komposit PVA/kitosan 5/1 menunjukan hasil termal dan mekanik paling bagus sehingga dipakai sebagai komposisi pencampuran variasi grafin oksida. Grafin oksida yang dicampurkan dalam membran PVA/kitosan di variasi (0%; 0,5%; 1%; 1,5%; 2%) m/m. Membran PVA/kitosan/grafin oksida di uji water uptake, methanol uptake, dan konduktivitas proton pada suhu 200C. Hasil water uptake menunjukan membran komposit PVA/kitosan/grafin oksida (0%; 0,5%; 1%; 1,5%; 2%) sebesar 78,18%, 84,13%, 101,25%, 125,61%, 131,45%. Hasil methanol uptake membran komposit PVA/kitosan/grafin oksida (0; 0,5; 1; 1,5; 2%) sebesar 119,38%, 105,97%, 102,97%, 102,76%, 102,83%.


poli vinil alkohol; kitosan; grafin oksida; trisodium sitrat; membran komposit; direct methanol fuel cell


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