PROBLEM TO BE SOLVED: To provide a seawater dissolvable molded product exhibiting good water solubility even in seawater.SOLUTION: The seawater dissolvable molded product comprises a polyvinyl alcohol-based polymer having a structural unit represented by general formula (1) wherein R1, R2, and R3 are each independently a hydrogen atom or an organic group X is a single bond or a bonding chain and R4, R5, and R6 are each independently a hydrogen atom or an organic group.COPYRIGHT: (C)2009,JPO&INPIT【課題】海水でも良好な水溶性を示す海水溶解成形物を提供する。【解決手段】海水溶解成形物は、一般式(1)で示される構造単位を有するポリビニルアルコール系重合体を含有する。〔式中、R1、R2及びR3はそれぞれ独立して水素原子または有機基を示し、Xは単結合または結合鎖を示し、R4、R5、及びR6はそれぞれ独立して水素原子または有機基を示す。〕【選択図】なし
