METHOD FOR ADJUSTING THE SETTING TIME OF A GEOPOLYMER COMPOSITION

PROBLEM TO BE SOLVED: To control, when a geopolymer composition is prepared, the setting time and compressive strength thereof appropriately and simultaneously.SOLUTION: A geopolymer composition with a variable setting time is prepared by blending, with an active filler including at least one type s...

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Bibliographische Detailangaben
Hauptverfasser:	MINAMI KOSUKE, SATO TAKATSUNE, UEHARA MOTOKI, MATSUBAYASHI TAKU, FUNAHASHI MASASHI
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To control, when a geopolymer composition is prepared, the setting time and compressive strength thereof appropriately and simultaneously.SOLUTION: A geopolymer composition with a variable setting time is prepared by blending, with an active filler including at least one type selected from the group consisting of fly ash, blast furnace slag, incinerated sewage sludge, and kaolin, at least one additive selected from the group consisting a first additive consisting of a calcium-based powder provided as an inert filler, a second additive consisting of a hydroxide powder for enhancing alkali stimulation, and a third additive consisting of at least one type selected from the group consisting of chelating agents functioning within saccharides, acids, and alkaline solutions so as to adjust the setting time thereof.