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4. Geopolymer cement based on slag/fly ash
Raw materials :
blast furnace slag ;
Class F fly ash (CaO < 6%) ;
alkali silicate (user-friendly ).
Geopolymer matrix structure :
Si:Al = 2; crude formulation (K,Na,Ca)-poly(sialate-siloxo); in fact, solid solution of Si:Al = 1, Ca-poly(disialate) (anorthite-like) + Si:Al = 3-5, (Na,K)-poly(sialate-multisiloxo).
The vast majority of studies published to date concern formulations incorporating all aggregates and alkaline ingredients directly into the mixer, without the addition of blast furnace slag. It's not a question of producing cement but concrete, and this technique is not developed in this article (see article
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Geopolymer cement based on slag/fly ash
Ferrosialate geopolymer cement
Events
GEOPOLYMER CAMP, takes place every year in Saint-Quentin (Aisne), 2nd week of July. http://www.geopolymer.org/camp
Patents
Inorganic polymer, FR2464227
Synthetic inorganic polymer of the silicoaluminate family and process for its preparation EP0026687
Expanded mineral materials based on silico-aluminates of the K-Poly(Sialate) and/or (Na,K)-Poly(Sialate-siloxo) type FR2512805
Process for producing floor or wall coverings by polycondensation of geopolymers FR2528818
...Directory
Manufacturers – Suppliers – Distributors (non-exhaustive list)
Milliken Inc, USA, product GeoSpray http://www.geopolymers.milliken.com
BASF, PCI, Germany, Geofug product http://www.pci-france.fr/services/videos/systemes-carreleurs/...
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