Research Article
Polyols Prepared from Ring-Opening Epoxidized Soybean Oil by a Castor Oil-Based Fatty Diol
Table 3
Polyols prepared from ESBO-COD reaction.
| | Polyols | Reaction
temperature
(°C) | Reaction time
(Hour) | Reaction ratios | Viscosity
(Pa s) | OH number
(mg KOH/g) | Number/weight average molecular weight | PDI |
| | 1 | 50 | 0.25 | 1.5 : 1 | 0.96 | 194.0 | 1655/1730 | 1.05 | | 2 | 50 | 0.5 | 1.5 : 1 | 1.42 | 225.5 | 1713/1801 | 1.05 | | 3 | 50 | 0.75 | 1.5 : 1 | 3.46 | 237.6 | 1835/1946 | 1.06 | | 4 | 50 | 1 | 1.5 : 1 | 4.50 | 244.4 | 1863/1972 | 1.06 | | 5 | 50 | 2 | 1.5 : 1 | 5.23 | 243.5 | 1880/1993 | 1.06 | | 6 | 50 | 2 | 0.5 : 1 | 11.19 | 221.6 | 1872/2008 | 1.07 | | 7 | 50 | 2 | 1 : 1 | 8.32 | 241.5 | 1775/1860 | 1.05 | | 8 | 50 | 2 | 2 : 1 | 2.96 | 259.1 | 1865/1981 | 1.06 | | 9 | 35 | 0.5 | 1.5 : 1 | 0.65 | 210.3 | 1621/1687 | 1.04 | | 10 | 65 | 0.5 | 1.5 : 1 | 4.06 | 246.4 | 1853/1958 | 1.06 |
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