WATER-BASED COATING COMPOSITION AND PROCESS FOR FORMATION OF COATING FILM

THE PRESENT INVENTION PROVIDES AN AQUEOUS COATING COMPOSITION WHICH IS EXCELLENT IN LOW-TEMPERATURE CURABILITY AND CAPABLE OF FORMING A COATING FILM EXCELLENT IN CORROSION RESISTANCE. THE AQUEOUS COATING COMPOSITION ACCORDING TO AN EMBODIMENT OF THE PRESENT INVENTION INCLUDES: (A) AN AQUEOUS EPOXY-B...

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Bibliographische Detailangaben
Hauptverfasser: HATANAKA, TERUHISA, SHO, KATSUHIKO, UJII, TAKAHIRO, IMAMURA, MUNEO
Format: Patent
Sprache:eng
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Zusammenfassung:THE PRESENT INVENTION PROVIDES AN AQUEOUS COATING COMPOSITION WHICH IS EXCELLENT IN LOW-TEMPERATURE CURABILITY AND CAPABLE OF FORMING A COATING FILM EXCELLENT IN CORROSION RESISTANCE. THE AQUEOUS COATING COMPOSITION ACCORDING TO AN EMBODIMENT OF THE PRESENT INVENTION INCLUDES: (A) AN AQUEOUS EPOXY-BASED POLYAMINE RESIN HAVING ONE OR MORE PRIMARY AMINO GROUPS AND/OR SECONDARY AMINO GROUPS IN A MOLECULE; (B) A COMPOUND HAVING ONE OR MORE (METH)ACRYLOYL GROUPS IN A MOLECULE; AND (C) AN ALKOXYSILANE COMPOUND; WHEREIN: AN EQUIVALENT RATIO OF AN AMINO GROUP OF THE AQUEOUS EPOXY-BASED POLYAMINE RESIN (A) AND A (METH)ACRYLOYL GROUP OF THE COMPOUND (B) ((METH)ACRYLOYL GROUP/AMINO GROUP) IS 0.7 TO 2.5; AND A CONTENT OF THE ALKOXYSILANE COMPOUND (C) IN A SOLID CONTENT OF THE AQUEOUS COATING COMPOSITION IS 0.2 MASS% TO 5 MASS%. NO SUITABLE