| abstract |
A flame-retarded vegetable oil-based waterborne polyurethane wherein the flame-retarded vegetable oil-based waterborne polyurethane is prepared from a vegetable oil polyol, an isocyanate, a catalyst, an organic solvent, an epoxy resin, a flame retardant, a hydrophilic chain extender, a neutraliser, and water, wherein the epoxy resin is a compound of formula I, |