Research Article
Synthesis of Polyformate Esters of Vegetable Oils: Milkweed, Pennycress, and Soy
Table 1
Some physical properties of polyformate esters of vegetable oils
.
| | | SOY | MW | PC |
| Density at 23–25°C (g/mL) | Veg. oil | 0.919 at 25°C | <1 at 23°C (0.913) | 0.896 at 25°C | Epoxide | 1.111 at 24°C | 1.05 at 23°C | 1.023 at 24°C | Formate | 1.041 at 24°C | 1.09 at 24°C | 1.096 at 24°C |
| Surface tension at RT, dyn/cm | Formate | 34.3 ± 0.1 | 34.5 ± 0.2 | 35.4 ± 0.2 |
| kinVisc at 40°C (mm2/s) | Veg. oil | 32.7 | 33.8 | 40.97 | Epoxide | 170.9 | 164.4 | 136 | Formate | 1493.9 | 388.3 | 595.7 |
| kinVisc at 100°C (mm2/s) | Veg. oil | 7.5 | 7.3 | 9.39 | Epoxide | 20.4 | 19.22 | 18.00 | Formate | 112.66 | 44.6 | 55.4 |
| Viscosity Index | Veg. oil | 209 | 190 | 224 | Epoxide | 136 | 133 | 147 | Formate | 170 | 172 | 157 |
|
|
(a) All data from this work unless otherwise noted. (b) at 25°C [16]. (c) [15]. (d) [17]. (e) [18]. (f) Data for crude pennycress from [14].
|