Cellulose, acetate butanoate, polymer with 1,3-butanediol, 1,3-diisocyanatomethylbenzene, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and .alpha.-hydro-.omega.-hydroxypolyoxy(methyl-1,2-ethanediyl)
Cellulose, acetate butanoate, polymer with 1,3-butanediol, 1,3-diisocyanatomethylbenzene, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and .alpha.-hydro-.omega.-hydroxypolyoxy(methyl-1,2-ethanediyl)
Cellulose, acetate butanoate, polymer with 1,3-butanediol, 1,3-diisocyanatomethylbenzene, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and .alpha.-hydro-.omega.-hydroxypolyoxy(methyl-1,2-ethanediyl)