Cement accelerator

摘要

The invention relates to an inorganic cementing agent system containing a) calcium-silicate cement, b) calcium-aluminate cement, c) at least one tri-functional polyalkylene glycol and d) optionally calcium sulphate. The invention also discloses the use of at least one polyalkylene glycol as an accelerator for an inorganic cementing agent system containing a) calcium-silicate cement, b) calcium-aluminate cement and d) optionally calcium sulphate.