MONOPHASE HYDRAULIC BINDER, MANUFACTURING METHOD THEREOF AND BUILDING MATERIAL MADE USING THE SAME

摘要

The invention relates to a single-phase hydraulic binder that contains silicon atoms, calcium atoms, oxygen atoms and hydrogen atoms in an arrangement that comprises silicate-structural units having an average degree of cross-linking of at least Q1,5 and silanol groups. None or one part of the calcium atoms are replaced by a metal atom M[6]x+ that is coordinated at least six-times with oxygen and/or none or at one part of the silicon atoms are replaced by a metal atom M[4]y+ tetrahedrally coordinated with oxygen. The molar ratio [CaO + (x/2) (M[6]x+Ox/2)] : [SiO2 + M[4]y+Oy/2] has a value of between 0.75 and 2.75 and the binder has between 3.5% to 20% in weight of water. The invention also relates to a mixture containing said binder. The invention further relates to methods for producing said binder or a mixture containing said binder, by converting calcium and silicate-containing starting material in an initial product that at least partially contains a calcium-hydroxo-silicate, subsequently grinding said calcium-hydroxo-silicate until it forms the single-phase hydraulic binder, and optionally, drying the binder until a water content of between 3.5% and 20% in weight is reached. The invention also relates to a construction material that is produced by binding the binder or a mixture containing said binder with water and subsequently hardening it.