SpectraBase Spectrum ID |
77aqaftIHAs |
Name |
Poly[2,4-tolylene parabanic acid-co-methylene-bis(1,4-phenylene)parabanic acid] |
Source of Sample |
T. L. Patton, Exxon Chemical Company, Baytown, Texas |
Classification |
Polyimides |
Comments |
Method of synthesis: copolyaddition of 2,4-tolylene diisocyanate, methylene-bis(4-phenyl isocyanate) and HCN in N-methylpyrrolidone in the presence of NaCN, hydrolysis of the poly(iminoimidazolidinedi
one) with mineral acid |
Copyright |
Copyright © 1989, 1990-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved. |
Sample Description |
yellow flakes |
Technique |
Film from N-methylpyrrolidone on KBr |