BINDER Russian patent published in 2004 - IPC

FIELD: manufacture of building materials.

SUBSTANCE: invention relates to composition of liquid glass-based binders and can be used in manufacture of building articles and units. Binder containing aluminosilicate component (54.5-65.8%), in particular fly ash obtained upon combustion of Kansk-Achinsk brown coal on heat-and-power station (Bratsk, Irkutsk region), and alkali component (34.9-44.7), in particular carbon-containing liquid glass made from large-scale microsilica waste from production of crystalline silicon at Bratsk aluminum plant containing up to 6-7% fine carbon admixtures of graphite and carborundum (SiC) with silica modulus 1, is characterized by that above-defined liquid glass has density 1,27-1,48 g/cm³ and by further including 0.3-0.9% of hardening retardant, namely milk whey as waste from production of milk products at Bratsk milk processing factory.

EFFECT: improved quality of binder and prolonged setting period.

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