Binder based on activated ground granulated blast furnace slag useful for forming a concrete type material
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United States of America Patent
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Jan 2, 2018
Grant Date -
Jul 28, 2016
app pub date -
Sep 26, 2014
filing date -
Sep 27, 2013
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Abstract
A binder material useful for forming a concrete type material includes, calculated on a dry, water and carbon dioxide free basis, a base component constituting 50-95 wt % of the binder material, the base component having ground granulated blast furnace slag and an activator component constituting 5-50 wt % of the binder material. The activator component includes aluminum sulfate and a sodium hydroxide generating compound. The final binder material includes, calculated on a dry, water and carbon dioxide free basis, ground granulated blast-furnace slag 35-95 wt %, aluminum sulfate AI2(SO4)3 1-25 wt %, and sodium hydroxide generating compound 4-35 wt %.
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