PROCESS FOR PRODUCTION OF PORTLAND-CEMENT WITH MODIFIED TIE STABILITY AND RIGIDITY

• Main Authors: MATRAI,JOZSEF,HU, HORVATH,IMRE,HU, OPOCZKY,LUDMILLA,HU, NAGY,MIHALY,HU, SZEGEDI,LASZLO,HU, SZATURA,LASZLO,HU, GRESKA,ISTVAN,HU
• Format: Patent
• Language: English
• Published: 28.06.1989
• Edition: 4
• Subjects: ARTIFICIAL STONE; CEMENTS; CERAMICS; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; LIME, MAGNESIA; METALLURGY; REFRACTORIES; SLAG; TREATMENT OF NATURAL STONE

The MNC cement (2 days old 45 MPa and 28 days old 70 MPa) is prepd. from a determined mineral mixt. (C3 min. 60%, C3A max. 8%, free CaO max. 0.5%, K2O+Na2O max. 1.5%) which is ground in stages to a specific surface of 550 m2/kg. 1.5-4% LSN additive is mixed in. LSN comprises 10-65% lignosulphonate a...