Environmental Engineering Reference
In-Depth Information
O
O
O
O
O
OO
O
O
O
Epoxidized soybean oil
O
OH
HO
Castor oil fatty acid
HO
Polyols from ESO and Castor oil fatty acid
O
O
O
O
OH
O
O
O
O
O
O
HO
O
O
O
HO
O
O
O
O
O
O
O
NH
NCO
O
O
HN
O
O
NCO
Isophorone diisocyante
O
O
O
O
OH
O
O
O
O
O
O
O O
O
NH
Polyurethane network
HN
O O
Scheme 5.2
Example of a polyurethane produced from vegetable oil, with a fatty acid polyol
intermediate and cross-linking with isophorone diisocyanate [34].
