Table 2 The main physico-chemical characteristics of LM(EO) n PD and CS(EO) n PD
No. | Product | Nitrogen content (%) | Ethylene oxide content (%) | ||
|---|---|---|---|---|---|
Determined1 | Calculated | Determined1 | Calculated | ||
1. | β-lauryl/myristyl (7/3) oxy-propionamide | 5.21 | 5.26 | - | - |
2. | β-cetyl/stearyl (7/3) oxy-propionamide | 4.32 | 4.36 | - | - |
3. | β-lauryl/myristyl (7/3) polyethyleneoxy (n = 3) propionamide | 3.50 | 3.52 | 32.97 | 33.22 |
4. | β-cetyl/stearyl (7/3) polyethyleneoxy (n = 3) propionamide | 3.03 | 3.09 | 28.57 | 29.11 |
5. | β-lauryl/myristyl (7/3) polyethyleneoxy (n = 6) propionamide | 2.63 | 2.64 | 49.53 | 49.87 |
6. | β-cetyl/stearyl (7/3) polyethyleneoxy (n = 6) propionamide | 2.37 | 2.39 | 44.78 | 45.10 |
7. | β-lauryl/myristyl (7/3) polyethyleneoxy (n = 9) propionamide | 2.10 | 2.12 | 59.48 | 59.87 |
8. | β-cetyl/stearyl (7/3) polyethyleneoxy (n = 9) propionamide | 1.93 | 1.95 | 54.58 | 55.20 |
9. | β-lauryl/myristyl (7/3) polyethyleneoxy (n = 12) propionamide | 1.75 | 1.76 | 65.84 | 66.55 |
10. | β-cetyl/stearyl (7/3) polyethyleneoxy (n = 12) propionamide | 1.64 | 1.65 | 61.70 | 62.16 |
11. | β-lauryl/myristyl (7/3) polyethyleneoxy (n = 16) propionamide | 1.44 | 1.44 | 72.25 | 72.62 |
12. | β-cetyl/stearyl (7/3) polyethyleneoxy (n = 16) propionamide | 1.36 | 1.36 | 68.33 | 68.66 |
13. | β-lauryl/myristyl (7/3) polyethyleneoxy (n = 20) propionamide | 1.21 | 1.22 | 76.20 | 76.83 |
14. | β-cetyl/stearyl (7/3) polyethyleneoxy (n = 20) propionamide | 1.16 | 1.17 | 72.96 | 73.25 |