Synthesis of Polyformate Esters of Vegetable Oils: Milkweed, Pennycress, and Soy

Table 4

Tribological properties of vegetable oils, epoxides, and formate esters.

		SOY	MW	PC
4-ball AW - COF	Veg. oil	0.08		0.07
	Epoxide
	Formate	0.05 ± 0.01	0.06 ± 0.00	0.05 ± 0.00
4-ball AW – WSD (mm)	Veg. oil	0.70		0.70
	Epoxide
	Formate	0.60 ± 0.05	0.38 ± 0.01	0.52 ± 0.00
4-ball EP-WP (kgf)	Formate	160	140	160

(a) All data from this work unless noted.
(b) [19].