CONDUCTIVE POLYMER-CONTAINING SOLUTION AND METHOD FOR PRODUCING THE SAME AND CONDUCTIVE LAMINATE AND METHOD FOR PRODUCING THE SAME

To provide a conductive polymer-containing solution which can be stably stored even in storage environments approximately at 40°C and a method for producing the same and to provide a conductive laminate and a method for producing the same.SOLUTION: There is provided a conductive polymer-containing solution which contains a conductive composite body containing a π-conjugated conductive polymer and a polyanion, the polyanion which does not form the conductive composite body, a molecular weight maintaining agent for suppressing the reduction of the molecular weight of the polyanion which does not form the conductive composite body and a dispersion medium, wherein when the initial weight average molecular weight of the polyanion which does not form the conductive composite body is defined as X and the weight average molecular weight of the polyanion which does not form the conductive composite body after the conductive polymer-containing solution is allowed to stand at 40°C for 720 hours is defined as Y, the molecular weight ratio represented by Y/X is 0.94 or more.SELECTED DRAWING: None 【課題】４０℃程度の保管環境下でも安定に保存することが可能な導電性高分子含有液及びその製造方法、並びに導電性積層体及びその製造方法を提供する。【解決手段】π共役系導電性高分子及びポリアニオンを含む導電性複合体と、前記導電性複合体を形成していない前記ポリアニオンと、前記導電性複合体を形成していない前記ポリアニオンの低分子量化を抑制する分子量維持剤と、分散媒とを含有する導電性高分子含有液であり、前記導電性複合体を形成していない前記ポリアニオンの初期重量平均分子量をＸとし、前記導電性高分子含有液を４０℃で７２０時間静置した後の前記導電性複合体を形成していない前記ポリアニオンの重量平均分子量をＹとした時の、Ｙ／Ｘで表される分子量比が０．９４以上である、導電性高分子含有液。【選択図】なし