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US 11,512,026 B2Granted
Use of zinc salts in combination with alkyl amines in cement-based dry mortar mixtures
AssigneeConstruction Research & Technology GmbH
InventorsYvonne Schaepers, Juergen Bader, Werner Stohr, Stefan Koehler
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Abstract
A binder composition that includes cement, optionally calcium sulfate, at least one zinc salt and at least one alkylamine, and to a dry-mortar mixture that includes said binder composition. The present invention further relates to the use of a composition composed of a zinc salt and an alkylamine for achieving high early strengths in a binder composition.
Claims15
A binder composition comprising
- i) 0.1° A to 99.9% by weight of Portland cement,
- ii) 0.1% to 99.9% by weight of alumina cement,
- iii) optionally 0.1% to 99.0% by weight of calcium sulfate,
- iv) 0.01% to 10.0% by weight of at least one zinc salt, and
- v) 0.01% to 10.0% by weight of at least one alkylamine, based on the total weight of the binder composition.
2 more elements
Dependencies are inferred from the claim text.