英文名称:Poly[oxy(methyl-1,2-ethanediyl)], α-hydro-ω-hydroxy-, mixed ethers with 2-(2-butoxyethoxy)ethanol and propylene glycol; Poly(oxy(methyl-1,2-ethanediyl)), alpha-hydro-omega-hydroxy-, mixed ethers with 2-(2-butoxyethoxy)ethanol and propylene glycol