Synonyms: PPG-12/SMDI COPOLYMER;PPG-51/SMDI COPOLYMER;Polyoxy(methyl-1,2-ethanediyl), .alpha.-hydro-.omega.-hydroxy-, polymer with 1,1-methylenebis4-isocyanatocyclohexane;Poly[oxy(methyl-1,2-ethanediyl)], 伪-hydro-蠅-hydroxy-, polymer with 1,1’-methylenebis[4-isocyanatocyclohexane];methylene bis(4-cyclohexylisocyanate) polymer, ethoxylated