. . . . "ts disclosed herein include: trimethylolpropane (1,1,1-tris(hydroxymethyl)propane), di-trimethylolpropane, glycerol, pentaerythritol, 1,3,4-butanetriol, 1,2,6-hexanetriol, 1,2,9-nonanetriol, trimethanolethane (1,1,1-tris(hydroxymethyl)ethane), sugar alcohols, such as sorbitol and mannitol, other polyhydroxymethyl (C2-C10)alkanes, or mixtures thereof." .