2-Oxepanone, homopolymer, ester with 1,2-ethanediol (2:1), polymer with 5-amino-1,3,3-trimethylcyclohexanemethanamine, α-hydro-ω-hydroxypoly(oxy-1,4-butanediyl) and 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane, N-butyl-1-butanamine-blocked