| abstract |
[Task] For example, when used in applications such as coagulants for waste water, coagulants such as water-improving agents, enzyme fixatives or adhesion promoters (for example, adhesion promoters for extrusion laminates (anchor coating agents)), it can exhibit excellent performance. A ethyleneimine polymer (solution) is provided. [Solutions] As an ethyleneimine polymer solution and an ethyleneimine polymer solution containing water, the weight average molecular weight (Mw) of the ethyleneimine polymer measured by pullulan conversion by gel permeation chromatography (GPC) is 200,000 or more, Moreover, the said subject can be solved by the ethyleneimine polymer solution whose ratio of the component whose weight average molecular weight (Mw) is 30,000 or more is 60 mass% or more with respect to 100 mass% of the whole quantity of the said ethyleneimine polymer. |