| abstract |
A solution of a chitosan derivative suitable for application on a hydrophobic or lipophilic surface of a one-component type, which is stable without crosslinking at normal temperature and can form a chitosan coating excellent in water resistance after drying by heating, and the solution To provide a method for coating a substrate using A hydroxyalkylated chitosan solution comprising a hydroxyalkylated chitosan and an organic acid or a derivative thereof in an aprotic polar solvent. [Selection figure] None |