| SpectraBase Spectrum ID |
LLK2DkmPInn |
| 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 1,2-propylene glycol, molar ratio 2/1; (non-stoichiometric) |
| Classification |
Polyurethane and urethane prepolymers |
| Comments |
Method of synthesis: polyaddition of TDI and 1,2-PG (2:1) at 130C for 2 h (urethane/allophanate 72.5/27.5) |
| Copyright |
Copyright © 1989, 1990-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved. |
| Sample Description |
yellowish, coarse powder |
| Technique |
KBr (3/400), H2O subtracted |
