PROBLEM TO BE SOLVED: To extend shelf-life and improve adhesiveness of an adhesive composition for dental therapy containing a (meth)acrylate monomer having an acidic group in the molecule and water as essential components, and improve adhesiveness of an adhesive composition free from water.SOLUTION: There is provided an adhesive composition containing a polymerizable phosphonic acid derivative comprising a compound having a polymerizable group and a carboxylic acid in the molecule or its salt and expressed by general formula [1] [wherein, R is a polymerizable group and W is an organic group containing an aromatic group having an acid group except for a phosphoric acid group as a substituent].COPYRIGHT: (C)2011,JPO&INPIT【課題】歯科治療において、分子内に酸性基を有する(メタ)アクリレート系モノマーおよび水を必須として含む接着性組成物棚寿命および接着性能の向上および水を含まない接着性組成物の接着性の向上。【解決手段】一般式[1]:[式中、Rは重合性基を示し;Wはリン酸基以外の酸基を置換基に有する芳香族の基を含む有機基を示す。で表される、分子内に重合性基とカルボン酸を有する化合物またはその塩である重合性ホスホン酸誘導体を含む接着性組成物の提供。]【選択図】なし
