PRODUCTION OF COLORED CEMENT-CONCRETE ARTICLE

PURPOSE:To provide a production method capable of promoting coloring without causing e.g. coloring miss and efficiently producing a colored cement-concrete article having excellent color tone stability, weather resistance and durability for a long time and free from peeling, whitening, etc. CONSTITU...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HIRAIZUMI KEIKO, KIMOTO TAKAYUKI, HAYASHI MASAHIKO
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:PURPOSE:To provide a production method capable of promoting coloring without causing e.g. coloring miss and efficiently producing a colored cement-concrete article having excellent color tone stability, weather resistance and durability for a long time and free from peeling, whitening, etc. CONSTITUTION:In the method in which a colored coating is formed on the surface of a cement-concrete article with a metal sulfate salt, the metal sulfate salt is compounded with an oxidizing agent or the surface of the cement- concrete article is treated with an oxidizing agent before or after the formation of the colored coating.