Solidifying and hardening accelerator for hydraulic binders

The invention concerns novel liquid solidifying and hardening accelerators obtained by a process in which the following components: component a: basic aluminium salts and/or aluminium hydroxide; component b: aluminium sulphate and/or sulphuric acid; component c: organic carboxylic acids or mixtures...

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Hauptverfasser: LUNKENHEIMER RUDOLF, SEDELIES REINHOLD, BREKER JOHANNES, POTENCSIK ISTVAN, ALTMANN HORST
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SEDELIES REINHOLD
BREKER JOHANNES
POTENCSIK ISTVAN
ALTMANN HORST
description The invention concerns novel liquid solidifying and hardening accelerators obtained by a process in which the following components: component a: basic aluminium salts and/or aluminium hydroxide; component b: aluminium sulphate and/or sulphuric acid; component c: organic carboxylic acids or mixtures of at least two of the organic carboxylic acids; component d: aluminium salts of organic carboxylic acids; component e: organic and/or inorganic sulphates and/or hydrogen sulphates and/or carbonates and/or hydrogen carbonates and/or alkaline earth oxides and/or alkaline earth hydroxides, are reacted in water at temperatures of up to 150 °C such that a solution is obtained, wherein: 1. all the components or a selection of the components react with one another such that the molar ratios of aluminium to sulphate in the end product are between 0.83 and 13.3 and the molar ratios of the aluminium to organic carboxylic acid are between 0.67 and 33.3; or 2. all the components apart from component e or a selection of the components apart from component e react with one another such that the molar ratios of aluminium to sulphate in the end product are between 0.83 and 13.3 and the molar ratios of aluminium to organic carboxylic acid in the end product are between 0.67 and 33.3; or 3. component e is subsequently dissolved in the reaction product according to point 2. The compounds can be used in combination with other compounds. Urýchľovače tuhnutia a tvrdnutia je možné získať tak, že nasledovné zložky: zložka a) zásadité hlinité soli a/alebo hydroxid hlinitý, zložka b) síran hlinitý a/alebo kyselina sírová, zložka c) organické karboxylové kyseliny alebo zmesi aspoň dvoch organických karboxylových kyselín, zložka d) hlinité soli organických karboxylových kyselín, zložka e) organické a/alebo anorganické sírany, a/alebo hydrogensírany, a/alebo uhličitany, a/alebo hydrogenuhličitany, a/alebo oxidy kovov alkalických zemín, a/alebo hydroxidy kovov alkalických zemín sa nechajú reagovať vo vode pri teplotách do 150 °C tak, že sa pritom získa roztok, pričom A. spolu reagujú všetky zložky alebo výber zložiek tak, že mólové pomery hliníka k síranu v konečnom produkte sú 0,83 až 13,3 a mólové pomery hliníka k organickej karboxylovej kyseline sú 0,67 až 33,3 alebo B. spolu reagujú všetky zložky okrem zložky e) alebo výber zložiek okrem zložky e) tak, že mólové pomery hliníka k organickej karboxylovej kyseline v konečnom produkte sú 0,37 až 33,3 alebo C. zložka e) sa dodatočne rozpustí
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The compounds can be used in combination with other compounds. Urýchľovače tuhnutia a tvrdnutia je možné získať tak, že nasledovné zložky: zložka a) zásadité hlinité soli a/alebo hydroxid hlinitý, zložka b) síran hlinitý a/alebo kyselina sírová, zložka c) organické karboxylové kyseliny alebo zmesi aspoň dvoch organických karboxylových kyselín, zložka d) hlinité soli organických karboxylových kyselín, zložka e) organické a/alebo anorganické sírany, a/alebo hydrogensírany, a/alebo uhličitany, a/alebo hydrogenuhličitany, a/alebo oxidy kovov alkalických zemín, a/alebo hydroxidy kovov alkalických zemín sa nechajú reagovať vo vode pri teplotách do 150 °C tak, že sa pritom získa roztok, pričom A. spolu reagujú všetky zložky alebo výber zložiek tak, že mólové pomery hliníka k síranu v konečnom produkte sú 0,83 až 13,3 a mólové pomery hliníka k organickej karboxylovej kyseline sú 0,67 až 33,3 alebo B. spolu reagujú všetky zložky okrem zložky e) alebo výber zložiek okrem zložky e) tak, že mólové pomery hliníka k organickej karboxylovej kyseline v konečnom produkte sú 0,37 až 33,3 alebo C. zložka e) sa dodatočne rozpustí v reakčnom produkte po bode B. 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The compounds can be used in combination with other compounds. Urýchľovače tuhnutia a tvrdnutia je možné získať tak, že nasledovné zložky: zložka a) zásadité hlinité soli a/alebo hydroxid hlinitý, zložka b) síran hlinitý a/alebo kyselina sírová, zložka c) organické karboxylové kyseliny alebo zmesi aspoň dvoch organických karboxylových kyselín, zložka d) hlinité soli organických karboxylových kyselín, zložka e) organické a/alebo anorganické sírany, a/alebo hydrogensírany, a/alebo uhličitany, a/alebo hydrogenuhličitany, a/alebo oxidy kovov alkalických zemín, a/alebo hydroxidy kovov alkalických zemín sa nechajú reagovať vo vode pri teplotách do 150 °C tak, že sa pritom získa roztok, pričom A. spolu reagujú všetky zložky alebo výber zložiek tak, že mólové pomery hliníka k síranu v konečnom produkte sú 0,83 až 13,3 a mólové pomery hliníka k organickej karboxylovej kyseline sú 0,67 až 33,3 alebo B. spolu reagujú všetky zložky okrem zložky e) alebo výber zložiek okrem zložky e) tak, že mólové pomery hliníka k organickej karboxylovej kyseline v konečnom produkte sú 0,37 až 33,3 alebo C. zložka e) sa dodatočne rozpustí v reakčnom produkte po bode B. 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The compounds can be used in combination with other compounds. Urýchľovače tuhnutia a tvrdnutia je možné získať tak, že nasledovné zložky: zložka a) zásadité hlinité soli a/alebo hydroxid hlinitý, zložka b) síran hlinitý a/alebo kyselina sírová, zložka c) organické karboxylové kyseliny alebo zmesi aspoň dvoch organických karboxylových kyselín, zložka d) hlinité soli organických karboxylových kyselín, zložka e) organické a/alebo anorganické sírany, a/alebo hydrogensírany, a/alebo uhličitany, a/alebo hydrogenuhličitany, a/alebo oxidy kovov alkalických zemín, a/alebo hydroxidy kovov alkalických zemín sa nechajú reagovať vo vode pri teplotách do 150 °C tak, že sa pritom získa roztok, pričom A. spolu reagujú všetky zložky alebo výber zložiek tak, že mólové pomery hliníka k síranu v konečnom produkte sú 0,83 až 13,3 a mólové pomery hliníka k organickej karboxylovej kyseline sú 0,67 až 33,3 alebo B. spolu reagujú všetky zložky okrem zložky e) alebo výber zložiek okrem zložky e) tak, že mólové pomery hliníka k organickej karboxylovej kyseline v konečnom produkte sú 0,37 až 33,3 alebo C. zložka e) sa dodatočne rozpustí v reakčnom produkte po bode B. Tieto zlúčeniny sa môžu použiť aj v kombinácii s inými zlúčeninami.ŕ</abstract><edition>7</edition><oa>free_for_read</oa></addata></record>
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subjects ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
title Solidifying and hardening accelerator for hydraulic binders
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