| 摘要 |
PURPOSE:To provide a coating compsn. which can form a coating film excellent in adhesion to a substrate, strengths, and flexibility with a thickness of 1mum or higher by one coat. CONSTITUTION:This coating compsn. comprises an amorphous zirconium polyhydroxide sol, an inorg. powder, and a hydrophilic org. solvent. The sol is pref. a water sol. one obtd. from an aq. soln. of a zirconium salt and urea, still pref. an org. solvent dispersion obtd. by replacing water in the above water- sol. one with an org. solvent. |
