Back to results
US 9,040,609 B2Granted
Powdered accelerator
AssigneeConstruction Research & Technology GmbH
InventorsJutta Karin Langlotz, Stefan Friedrich, Christoph Hesse
Life of this patent
Estimating the term…
Abstract
The present invention relates to a solid composition containing calcium silicate hydrate and at least one water-swellable polymer which can form a hydrogel, and also to a process for preparing the composition, to the use thereof as a setting accelerator, and as a grinding aid in cement production. It also relates to building material mixtures which comprise the compositions.
Claims20
A solid composition comprising finely divided calcium silicate hydrate having a particle size of less than 500 nm and at least one water-swellable polymer which can form a hydrogel.
Dependencies are inferred from the claim text.