A polyethylene glycol-functionalized triglyceride polyol polymer comprising a glycerol component and three fatty acid components bonded to the glycerol component, wherein at least one of the fatty acid components comprises: a fatty acid chain; a hydroxyl functional group bound to a carbon atom of the fatty acid chain; and a polyethylene glycol-based functional group bound to an adjacent carbon atom of the fatty acid chain; according to Structure I wherein: n is from 10 to 40; and R is selected from the group consisting of H, alkyl, and silyl.