Various functional inorganic binder compound using industrial byproduct

摘要

A multi-functional inorganic binder composition prepared by using industrial byproducts is provided not to require calcination step causing exhaustion of greenhouse gas but to have satisfactory physical properties such as steel making property, acid resistance, fire resistance, etc. by comprising aluminosilicate admixture and alkaline reaction enhancer in liquid state. The composition comprises aluminosilicate based admixture including, in molar ratio of constitutional ingredients: 33.6 to 61 of SiO2; 16.8 to 43.5 of CaO; 13.0 to 29 of Al2O3; 2.0 to 5.9 of MgO; and 0.2 to 0.4 of a composite of Na2O and K2O, as well as 30 to 60wt. parts of an alkaline reaction enhancer in liquid state based on 100wt. parts of the admixture. The composition is produced by hydrating a composite of the admixture and the reaction enhancer into a hydrated product having Ca/Si molar ratio of 0.8 to 1.2. The aluminosilicate based admixture is a mixture of at least one selected from furnace slag, fly ash, meta kaolin, silica fume, and alumina cement. The enhancer is a mixture of MOH and M2SiO3 wherein M is Na or K.