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(19)

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2 366 636

(13)

(51)

IPC

C04B35/10(2006-01-01)

C04B35/185(2006-01-01)

(21) (22)

Application

2008116523/03, 2008-04-25

(24)

Start date

2008-04-25

(22)

Actual filing date

2008-04-25

(45)

Published

2009-09-10

(72)

Inventor

Vakalova Tat'Jana ViktorovnaPogrebenkova Valerija Valer'EvnaGorbatenko Viktorija Valer'EvnaPogrebenkova Tamara Vasil'Evna

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Tomskij Politekhnicheskij Universitet

METHOD FOR PREPARATION OF CORUNDUM AND MULLITE-CORUNDUM FIREPROOF HEAT INSULATOR Russian patent published in 2009 - IPC C04B35/10 C04B35/185

Abstract RU 2366636 C1

FIELD: chemistry.

SUBSTANCE: method for preparation of corundum and mullite-corundum fireproof heat insulator includes mixing of starting row materials (kaolin and bifluoride ammonium) at mass ratio 1:1.11-1.35, calcination and baking at temperature 1310-1400°C.

EFFECT: claimed method allows to obtain corundum and mullite-corundum fireproof heat insulator with corundum content not less than 50%.

1 ex, 2 tbl

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RU 2 366 636 C1

Authors

Vakalova Tat'Jana Viktorovna

Pogrebenkova Valerija Valer'Evna

Gorbatenko Viktorija Valer'Evna

Pogrebenkova Tamara Vasil'Evna

Dates

2009-09-10—Published

2008-04-25—Filed