MINERAL WOOL MADE FROM RECYCLED MATERIALS Russian patent published in 2016 - IPC C03C13/06 C03B37/06

Abstract RU 2575189 C2

FIELD: chemistry.

SUBSTANCE: invention relates to artificial fibres. The mineral wool has an acidity index $\frac{A l_{2} O_{3} + S i O_{2}}{C a O + M g O},$ equal to 1.0-1.5 by weight. The mineral wool contains the following components, wt %: SiO₂ 36-44, Al₂O₃ 8.0-14, MgO 4-13, CaO 32-44. The diameter of fibres ranges from 4.5 to 5.6 mcm. As the raw components slag, recycled consumer concrete, crushed brick, consisting of recycled crushed brick, recycled industrial crushed brick or combinations thereof, crushed glass, recycled consumer moulding sand and combinations thereof are used . EFFECT: wider raw material base.

7 cl, 21 tbl

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RU 2 575 189 C2

Authors

Brown Martin W.

Dates

2016-02-20—Published

2011-04-07—Filed