Synonyms: Adipic acid, phthalic anhydride, trimethylolpropane polyester;hexanedioic acid, polymer with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and 1,;Hexanedioic acid, polymer with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and 1,3-isobenzofurandione;Phthalic anhydride, adipic acid, trimethylolpropane polymer;adipic acid/trimethylolpropane/phthalic anhydride polymer