Raw mix and a method of preparing granulated heat-retention material. RU patent 2246462.

FIELD: manufacture of building materials.

SUBSTANCE: invention concerns porous granulated heat-retention materials serving as especially light-weight filling material for industrial and civil-construction concretes. Raw mix for preparation thereof contains, wt %: microsilica 41.20, sodium hydroxide solution (45.22% Na₂O) 21.38, waterproofness-imparting organosilicon liquid (concentration 26.2%) 0.21-0.62, and water - the balance.

EFFECT: reduced crude granule heat treatment time, lowered temperature of hydrothermal treatment of raw mix, reduced loose density and bulk water absorption, and increased porosity of granulated material.

2 cl, 2 tbl

IPC classes for russian patent Raw mix and a method of preparing granulated heat-retention material. RU patent 2246462. (RU 2246462):

C04B18/14 - from metallurgical processes (treatment of molten slag C04B0005000000)

C04B111/20 - LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS (devitrified glass-ceramics C03C0010000000); REFRACTORIES (alloys based on refractory metals C22C); TREATMENT OF NATURAL STONE

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