Geopolymer cement and use therof
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United States of America Patent
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May 21, 2013
Grant Date -
Aug 2, 2012
app pub date -
Aug 20, 2010
filing date -
Aug 21, 2009
priority date (Note) -
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Abstract
The present invention relates to a novel type of noncorrosive geopolymer cement in which said cement comprises a metakaolin or a mixture of metakaolin and non-thermally activated aluminosilicate, in a weight ratio comprised between about 40:60 and about 80:20, and an alkaline silicate solution having a molar ratio M2O:SiO2 comprised between about 0.51 and 0.60, M representing Na or K, and to the use of a superplasticizer comprising a crosslinked acrylic acid polymer in the manufacture of geopolymer cement.
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