A polymer of calcium aluminate and water glass as cement substitute
Bernd Spangenberg, Jan D Epping · 2026
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Description
Bernd Spangenberg and Jan Epping present, in 2026 work, a stone-free binder grown from lime-alumina cement and water glass. The cement gives four-armed aluminium; the glass gives four-armed silicon. They meet in a heat-out chain that firms into a rock-hard web, steady at high heat.
Six-armed aluminium, as in one oxide, sits out the game at room warmth. Charge counts match one-to-one on both sides, so most glasses need a lye wake. The mix sets from near-freeze to warm, works like plain cement, and casts with no added fire. The pair claim it could swap for plain cement near whole, and slash the trade's carbon share.
Catalog record
| CREATOR | Bernd Spangenberg, Jan D Epping |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 35 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |