DRY CONSTRUCTION MIXTURE FOR INTERIOR FINISHING OF BUILDINGS Russian patent published in 2024 - IPC C04B28/14 

FIELD: industry of construction materials.

SUBSTANCE: invention relates to construction mixtures used for interior finishing of buildings: leveling floors and walls, assembly of separate elements. Construction mixture for interior finishing of buildings, including hemihydrate gypsum, hydrated lime, mineral additive—waste from production of basalt fiber, polycarboxylate superplasticizer, powdered antifoaming agent, tartaric acid, water-soluble cellulose ether as a water-retaining additive and water, in addition, as a waste of basalt production, technogenic basalt powder is used, mineral additive additionally contains aluminosilicate ash microspheres with the following ratio of components, wt.%: hemihydrate gypsum 62.48–66, hydrated lime 6.24–7.47, technogenic basalt powder 6.24–7.5, polycarboxylate superplasticizer 0.008–0.072, powdered antifoaming agent 0.008–0.088, tartaric acid 0.008–0.04, water-soluble cellulose ether 0.04–0.046, aluminosilicate ash microsphere 4.8–5.08, water—the rest.

EFFECT: high compression and bending strength of the building mixture for interior finishing of buildings and low power and labor costs during use thereof.

1 cl, 2 tbl, 3 ex