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Showing 1 to 2 of 2 for “"polybenzoxazole"”.
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Sustainable P2 design for batch-based specialty chemical manufacture
… waste in the manufacture of polyimide and polybenzoxazole precursors. The evaluation includes the environmental and economic assessment of solvent recovery and substitution strategies. A two-step distillation process proved effective in recovering 95% of the NMP at a purity of 99.97% from …
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High Temperature Polymers for Proton Exchange Membrane Fuel Cells
… performance of the disulfonated polyimide and polybenzoxazole (PBO) copolymers was very promising at 80 C compared to the state-of-the-art PEM (Nafion®); nevertheless these membranes became brittle under operating conditions. Several series of poly(arylene ether)s based on …