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Poly(pyromellitic dianhydride-co-4,4′-oxydianiline), amic acid solution, 15.0-16.0 wt. % in NMP
Poly(pyromellitic dianhydride-co-4,4′-oxydianiline), amic acid solution, 12.0 wt. %±0.5 wt. % (80% NMP/20% xylene)
Poly(pyromellitic dianhydride-co-4,4′-oxydianiline), amic acid solution, 12.8 wt. % (80% NMP/20% aromatic hydrocarbon)
Poly(pyromellitic dianhydride-co-4,4′-oxydianiline), amic acid solution, 15.0 wt. %±5 wt. % in NMP/aromatic hydrocarbons (80%/20% solvent ratio)
Poly(pyromellitic dianhydride-co-4,4′-oxydianiline), amic acid solution, 11 wt. %±5 wt. % in NMP/aromatic hydrocarbons (80%/20% solvent ratio)
