Acetic acid ethenyl ester, polymer with 2-methyloxirane and oxirane Acetic acid ethenyl ester, polymer with methyloxirane and oxirane Ethylene oxide-propylene oxide-vinyl acetate copolymer Oxirane, methyl-, polymer with ethenyl acetate and oxirane Oxirane, polymer with ethenyl acetate and methyloxirane Poly(ethylene oxide)-poly(propylene oxide)-vinyl acetate copolymer