Geopolymer ist ein anorganisches Zweikomponentensystem, das aus einer reaktiven Feststoffkomponente (Siliziumoxid, Aluminiumoxid) und einer alkalischen Aktivierungslösung entsteht. In mehreren Reaktionsschritten bildet sich ein alumosilikatisches Polymer.
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Geopolymers — Geopolymer is a term covering a class of synthetic aluminosilicate materials with potential use in a number of areas, but predominantly as a replacement for Portland cement. The name Geopolymer was first applied to these materials by Joseph… … Wikipedia
Joseph Davidovits — (born 1935) is a French materials scientist who has posited that the blocks of the Great Pyramid are not carved stone, but mostly a form of limestone concrete. He holds the Ordre National du Mérite, is the author and co author of more than 130… … Wikipedia
Fly ash — Photomicrograph made with a Scanning Electron Microscope (SEM): Fly ash particles at 2,000x magnification Fly ash is one of the residues generated in combustion, and comprises the fine particles that rise with the flue gases. Ash which does not… … Wikipedia
Types of concrete — There are many types of concrete, variations of installation, composition, finish and performance characteristics. A highway paved with concrete … Wikipedia
Joseph Davidovits — (* 1935) ist ein französischer Chemiker.[1] 1958 wurde er an der École Nationale Supérieure de Chimie in Rennes Diplom Chemiker. 1960 erwarb er an der Universität Mainz seinen Dr. rer. nat. in Makromolekular Chemie. 1962–72 forschte und… … Deutsch Wikipedia
Stone spheres of Costa Rica — Stone sphere in the courtyard of the National Museum of Costa Rica. The stone spheres (or stone balls) of Costa Rica are an assortment of over three hundred petrospheres in Costa Rica, located on the Diquis Delta and on Isla del Caño. Known… … Wikipedia
Egyptian pyramid construction techniques — There have been many hypotheses about the Egyptian pyramid construction techniques. The construction techniques seem to have developed over time; the earliest pyramids were built in different ways than later ones. Most of the construction… … Wikipedia
2-Komponentensystem — In diesem Artikel oder Abschnitt fehlen folgende wichtige Informationen: Dieser Artikel befasst sich mit der Verwendung des Lemmas in der Zellbiologie. Andere Verwendungen finden hier keine Berücksichtigung, z. B. Anorganische Chemie. (Passend… … Deutsch Wikipedia
Geopolímero — es un término acuñado por Joseph Davidovits en la década de los años 1980 para designar a polímeros sintéticos inorgánicos de aluminosilicatos que proceden de la reacción química conocida como geopolimerización. Sin embargo estos compuestos ya… … Wikipedia Español
Cement — In the most general sense of the word, a cement is a binder, a substance which sets and hardens independently, and can bind other materials together. The name cement goes back to the Romans who used the term opus caementicium to describe masonry… … Wikipedia
