No. | Average oligomerization degree (n) | Molecular weight (M) | Content of ethylene oxide (%) | Hydroxyl number [mg KOH/g heterogeneous polyoxyethylene (PEO) chain monoderivatized NF] | Purity1) (%) | |||
---|---|---|---|---|---|---|---|---|
Determined | Calculated | Determined | Calculated | Determined | Calculated | |||
1 | 2.99 | 3 | 352 | 37.41 | 37.50 | 158.69 | 159.09 | 99.75 |
2 | 5.99 | 6 | 484 | 54.43 | 54.54 | 115.47 | 115.70 | 99.80 |
3 | 8.96 | 9 | 616 | 64.01 | 64.29 | 90.52 | 90.91 | 99.57 |
4 | 11.96 | 12 | 748 | 70.36 | 70.59 | 74.63 | 74.87 | 99.68 |
5 | 17.95 | 18 | 1012 | 78.05 | 78.26 | 55.19 | 55.34 | 99.73 |