vinyl acetateWiktionary 原文释义（英文）名词 Noun(chemistry) A monomer (CH3COOCH=CH2) prepared by reacting ethylene and acetic acid with oxygen and a palladium catalyst. Abbreviations: VAM (vinyl acetate monomer), VyAc词族派生词（2）ethylene-vinyl acetatevinyl acetate-maleic anhydride copolymer