| abstract |
The present invention relates to the powdered cement composition based on binding agent, it is characterised in that it at least includes：Inorganic binder；It is R based on molecular formula 1 ‑O‑(CO)‑O‑R 2 The organic carbonate including at least five carbon atom additive, wherein group R 1 And R 2 , it is identical or differ, linear or ring-type is represented, optional side chain, saturation or undersaturated alkyl or alkylene and cyclic hydrocarbon radical or aryl；Pellet, gather materials and/or sand or other inert fillers. |