Quick-setting, hydraulic binding agent
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United States of America Patent
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May 29, 2001
Grant Date -
N/A
app pub date -
Jul 15, 1993
filing date -
Jul 17, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention concerns a quick-setting, hydraulic binding agent, containing calcium silicate cement, in particular Portland cement, reactive calcium aluminates, in particular high alumina cement, as well as, if required, known additives and/or admixtures, which is characterized by a content of: a) 0.1 to 2.0% by volume of an organic and/or inorganic accelerator for hydrating the calcium silicates, b) 0.10 to 2.00% by volume of an organic and/or inorganic setting retarder inhibiting the hydration of the calcium silicates, if required, having a liquefying effect, c) 0.01 to 0.05% by volume of an organic and/or inorganic setting accelerator for hydrated calcium aluminate, and d) 0.01 to 0.20% by volume of an inhibitor with respect to formation of the hydrated calcium aluminum sulfates.
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