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°C1.05 at 23°C1.023 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 32.733.840.97
Epoxide 170.9164.4136
Formate 1493.9388.3595.7

kinVisc at 100°C (mm2/s)Veg. oil 7.57.39.39
Epoxide 20.419.2218.00
Formate 112.66 44.6 55.4

Viscosity Index Veg. oil 209190 224
Epoxide 136133147
Formate 170 172157

(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].