SpectraBase Spectrum ID |
BPZRcY2A1go |
Name |
Poly(urethane allophanate) |
Source of Sample |
U. Osredkar, Chemical Institute ``Boris Kidric'', Ljubljana |
Chemical Description |
From methylenedi(4-aniline) and ethylene glycol, molar ratio 2:1; (non-stoichiometric) |
Classification |
Polyurethane and urethane prepolymers |
Comments |
Method of synthesis: polyaddition of methylene-4,4'-dianiline and ethylene glycol (2:1) at 130C for 2 h (urethane/allophanate 77.3/22.7) |
Copyright |
Copyright © 1989, 1990-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved. |
Sample Description |
yellow, coarse powder |
Technique |
KBr (4/400), H2O subtracted |