![Poly(pyromellitic dianhydride-co-4,4′-oxydianiline), amic acid solution 11 wt. %±5 wt. % in NMP/aromatic hydrocarbons (80%/20% solvent ratio)](/deepweb/assets/sigmaaldrich/product/structures/172/831/943887b5-f0f9-4ddf-92c9-9f3e437e64fa/640/943887b5-f0f9-4ddf-92c9-9f3e437e64fa.png)
Poly(pyromellitic dianhydride-co-4,4′-oxydianiline), amic acid solution
![Poly(pyromellitic dianhydride-co-4,4′-oxydianiline), amic acid solution 11 wt. %±5 wt. % in NMP/aromatic hydrocarbons (80%/20% solvent ratio)](/deepweb/assets/sigmaaldrich/product/structures/172/831/943887b5-f0f9-4ddf-92c9-9f3e437e64fa/640/943887b5-f0f9-4ddf-92c9-9f3e437e64fa.png)
Synonym(s):
Polyamic acid
Linear Formula:
(C12H12N2O .C10H2O6)x
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