2H-Azepin-2-one, hexahydro-, polymer with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, alpha-hydro-omega-hydroxypoly(oxy(methyl-1,2-ethanediyl))and alpha-hydro-omega-hydroxypoly(oxy(methyl-1,2-ethanediyl)) ether with 2,2-bis(hydroxymethyl)-1,3-propanediol (4:1) 68299-09-2