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Advances in Polymer Technology
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Advances in Polymer Technology
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2020
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Article
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Fig 2
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Research Article
3D Network Structural Poly (Aryl Ether Ketone)-Polybenzimidazole Polymer for High-Temperature Proton Exchange Membrane Fuel Cells
Figure 2
1
H NMR spectra of (a) PAEK-COOH and (b) PBI-4NH
2
.
(a)
(b)