2,4-Tolylenediisocyanate, adipic acid, diethylene glycol, trimethylolpropane, cellulose propionate polymer 68016-21-7 Cellulose, propanoate, polymer with 2,4-diisocyanato-1-methylbenzene, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, hexanedioic acid and 2,2'-oxybis(ethanol)