Manufacturing method of cement facing material



【課題】意匠性が重視されるセメント系化粧材を可及的に安価に製造しつつ、そのセメント系化粧材が優れた耐久性や持続性の下で白華防止効果を有するようにする。 【解決手段】70〜95質量部の高炉水砕スラグと、10〜20質量部の無水石膏と、0.2〜3質量部のアルカリ刺激剤と、20質量部未満のポゾラン系混和材と、水とを含む調合物を成形して成形体とする成形工程S10と、成形体を養生してケイ酸カルシウム水和物を生じて硬化したセメント系化粧材を得る硬化工程S20とを有する。 【選択図】 図1
PROBLEM TO BE SOLVED: To manufacture a cement facing material, whose designability is emphasized, at a cost as low as possible, and to impart excellent durability and persistence of efflorescence prevention effect to the cement facing material. SOLUTION: The method comprises a molding step S10 wherein a formulation containing 70-95 pts.mass granulated blast-furnace slag, 10-20 pts.mass anhydrous gypsum, 0.2-3 pts.mass alkaline stimulant, <20 pts.mass pozzolana admixture and water is molded into a molded product and a curing step S20 wherein the molded product is cured to generate calcium silicate hydrate to obtain the cured cement facing material. COPYRIGHT: (C)2005,JPO&NCIPI




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