Cementitious system comprising accelerator particles coated with crosslinked shellac
AssigneeConstruction Research & Technology GmbH
InventorsWolfgang Seidl, Steffen Wache, Werner Stohr, Siegfried Zürn, Joachim Riedmiller, Volker Schwarz
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Abstract
A proposal is made for a cementitious system which comprises accelerator particles coated with crosslinked shellac, for the use as an additive component which comprises the accelerator particles coated with crosslinked shellac, and for a cement slurry which comprises the cementitious system and water.
Claims20
A cementitious system comprising a cementitious component and accelerator particles coated with crosslinked shellac, characterized in that the coated accelerator particles are present together with the cementitious component in the form of a one-component formulation and the shellac is in a crosslinked form obtained by thermal treatment of 1 hour to 7 days at temperatures of 80° C. to 140° C.
Dependencies are inferred from the claim text.