Hexanedioic acid, polymer with (chloromethyl)oxirane, 2,2-dimethyl-1,3-propanediol, .alpha.-hydro-.omega.-hydroxypoly(oxy-1,2-ethanediyl) ether with 2,2-bis(hydroxymethyl)-1,3-propanediol (4:1), 1,3-isobenzofurandione, 4,4-(1-methylethylidene)bisphenol an