VERWENDUNG VON MITTELN ZUM BESCHLEUNIGEN DIE HÄRTUNGSGESCHWINDIGKEIT VON ZEMENT, MÖRTEL UND BETON, UNTER BEIBEHALTUNG IHRER BEARBEITBARKEIT

VERWENDUNG VON MITTELN ZUM BESCHLEUNIGEN DIE HÄRTUNGSGESCHWINDIGKEIT VON ZEMENT, MÖRTEL UND BETON, UNTER BEIBEHALTUNG IHRER BEARBEITBARKEIT

An agent for increasing the speed of hardening of cements, mortar and concrete whilst maintaining their workability which corresp. to the general formula (I) where R1, R2 and R3 are H, alkyl (opt. substd.), alkene, aryl or aralkyl; -B is a hydrocarbon chain comprising at least one -CH2- gp. having 1...

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Bibliographische Detailangaben
Hauptverfasser: VIDEAU, DIDIER, GOSSET, SERGE
Format: Patent
Sprache:ger
Schlagworte:
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:An agent for increasing the speed of hardening of cements, mortar and concrete whilst maintaining their workability which corresp. to the general formula (I) where R1, R2 and R3 are H, alkyl (opt. substd.), alkene, aryl or aralkyl; -B is a hydrocarbon chain comprising at least one -CH2- gp. having 10 or less C atoms. -A is NR5R6, NH(+)R5R6 X(-) or -NR5R6R7 X is halide, nitrate, nitrite, sulphate, sulphite, thiosulphate, acetate, adipate, citrate, gluconate, para-torylate, formate, propionate phosphate, borate, thiocyanate or sulphonate; (halide is pref.) and R3-R6 and R7 are alkyl (opt. substd.), alkene, aryl or aralkyl. Cement, mortar and concrete compsns. contg. the additives described are also claimed.