METHOD OF PREPARING HIGH-STRENGTH GYPSUM BINDER Russian patent published in 2003 - IPC

Abstract RU 2212384 C1

FIELD: manufacture of building materials. SUBSTANCE: method comprises grinding original gypsum material, treating it with organic acids, and subsequent heat treatment with steam under autoclave pressure, said grinding operation being performed to obtain fraction 0- 0.63 mm on fine-grinding chaser mill giving faulted crystalline structure while simultaneously treating raw material with organic acids. EFFECT: increased strength of binding agent and process productivity. 4 dwg, 2 tbl, 2 ex

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RU 2 212 384 C1

Authors

Suchkov V.P.

Veselov A.V.

Dates

2003-09-20—Published

2002-03-06—Filed