Stabilized solidification and setting accelerator for hydraulic binders
AssigneeSika Technology AG
InventorChristian Stenger
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Abstract
A solidification and setting accelerator for hydraulic binders, in particular for shotcrete/gunite or sprayed mortar, comprises sulfate, aluminum and at least two chemically distinct organic acids, each of which contains at least one hydroxy group in addition to at least one acid group, the combined maximum content of the at least two organic acids being 1 wt % in relation to the total weight of the accelerator.
Claims14
A solidification and hardening accelerator for hydraulic binders, comprising sulfate, aluminum, and at least two chemically different organic acids, each having at least one hydroxyl group as well as at least one acid group, the combined maximum fraction of the at least two organic acids being 0.95 wt % based on the total weight of the accelerator,
- wherein at least one of the two organic acids is a hydroxycarboxylic acid.
Dependencies are inferred from the claim text.