| SpectraBase Spectrum ID |
81oILWiH666 |
| Name |
Poly(urethane allophanate) |
| Source of Sample |
U. Osredkar, Chemical Institute ``Boris Kidric'', Ljubljana |
| Chemical Description |
From toluene diisocyanate (2.4/2.6=4:1) and 1,4-butanediol, molar ratio 2:1; (non-stoichiometric) |
| Classification |
Polyurethane and urethane prepolymers |
| Comments |
Method of synthesis: polyaddition of TDI and 1,4-butanediol (2:1) at 130C for 2 h (urethane/allophanate 79:21) |
| Copyright |
Copyright © 1989, 1990-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved. |
| Sample Description |
yellow, coarse hard material |
| Technique |
KBr (4/400), H2O subtracted |
