Urethane — FTIR absorption peaks and assignments
These are the characteristic FTIR wavenumbers where Urethane tends to absorb, compiled from published literature and ranked by supporting evidence. Each assignment is traceable to a source (DOI) and cross-validated against our 130,000+ reference spectra and knowledge graph.
Backed by 8 cited sources
Characteristic FTIR peaks for Urethane
| Nombor gelombang (cm⁻¹) | Fakta sokongan | Sumber dipetik | Keyakinan tertinggi |
|---|---|---|---|
| 1720 | 2 | 2 | 1.0 |
| 1718 | 2 | 2 | 0.9 |
| 1700 | 2 | 2 | 0.9 |
| 1530 | 1 | 1 | 1.0 |
| 1726 | 1 | 1 | 0.95 |
| 1577 | 1 | 1 | 0.9 |
| 1608 | 1 | 1 | 0.9 |
| 1570 | 1 | 1 | 0.9 |
| 1728 | 1 | 1 | 0.9 |
| 1708 | 1 | 1 | 0.9 |
| 3440 | 1 | 1 | 0.9 |
| 1044 | 1 | 1 | 0.9 |
| 1384 | 1 | 1 | 0.9 |
| 1529 | 1 | 1 | 0.9 |
| 1703 | 1 | 1 | 0.9 |
| 1719 | 1 | 1 | 0.9 |
| 1740 | 1 | 1 | 0.9 |
| 1664 | 1 | 1 | 0.9 |
| 3369 | 1 | 1 | 0.9 |
| 1532 | 1 | 1 | 0.9 |
| 1729 | 1 | 1 | 0.9 |
| 1537 | 1 | 1 | 0.9 |
| 1698 | 1 | 1 | 0.9 |
| 1540 | 1 | 1 | 0.7 |
| 1710 | 1 | 1 | 0.5 |
| 3350 | 1 | 0 | 0.8 |
| 1694 | 1 | 0 | 0.7 |
Literatur di sebalik penetapan ini
-
1720 cm⁻¹ keyakinan 1.0
“explicit assignment”
Krol 等 - 2021 - Polyurethane cationomers containing fluorinated so DOI: 10.1007/s00396-021-04819-4 -
1726 cm⁻¹ keyakinan 0.95
“Text: characteristic stretching vibration peak of urethane group at 1726 cm-1.”
Kong 等 - 2017 - Preparation and thermal properties of crosslinked DOI: 10.1039/c7ra04504b -
1698 cm⁻¹ keyakinan 0.9
“Explicitly stated 'urethane bands are located at 1698 cm-1'.”
Hirzin 等 - 2018 - The behavior of semi-rigid polyurethane film based DOI: 10.1007/s10853-018-2578-8 -
1537 cm⁻¹ keyakinan 0.9
“Peak attributed to urethane group.”
Ishida 等 - 2020 - A study of molecular architectural dynamics of cro DOI: 10.1016/j.polymdegradstab.2020.109242 -
1729 cm⁻¹ keyakinan 0.9
“Strong peak at 1729 cm-1 assigned to carbonyl group of urethane linkage.”
Jana 等 - 2009 - Molecular Orientation of Polyurethane Based Liquid DOI: 10.1080/10601320903158719 -
1532 cm⁻¹ keyakinan 0.9
“Explicit assignment: urethane peaks.”
Mudri 等 - 2020 - Comparative Study of Aromatic and Cycloaliphatic I DOI: 10.3390/polym12071494 -
1664 cm⁻¹ keyakinan 0.9
“Explicit assignment: 'bands at ... 1664 corresponding to ... carbamate'”
Pathak 等 - 2015 - Cholesterol anchored arabinogalactan for asialogly DOI: 10.1016/j.carres.2015.03.003 -
1740 cm⁻¹ keyakinan 0.9
“Appearance of urethane band at 1740 cm-1.”
Annunziata 等 - 2014 - alpha,omega-Di(glycerol carbonate) telechelic poly DOI: 10.1039/C3GC41821A
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