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(19)

(11)

2 318 769

(13)

(51)

IPC

C04B28/14(2006-01-01)

C04B24/02(2006-01-01)

C04B111/20(2006-01-01)

(21) (22)

Application

2006128143/03, 2006-08-02

(24)

Start date

2006-08-02

(22)

Actual filing date

2006-08-02

(45)

Published

2008-03-10

(72)

Inventor

Belov Vladimir VladimirovichPetropavlovskaja Viktorija BorisovnaPunegov Stanislav Vladimirovich

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Tekhnicheskij Universitet"

RAW MIX FOR MANUFACTURE OF GYPSUM ARTICLES Russian patent published in 2008 - IPC C04B28/14 C04B24/02 C04B111/20

Abstract RU 2318769 C1

FIELD: manufacture of building materials; manufacture of wall structural materials.

SUBSTANCE: proposed raw mix contains ground technogenous calcium sulfate dehydrate at specific surface of 3000 cm²/g and 9000 cm²/g; saturated solution of slaked lime and additive - granulated polyvinyl alcohol. Components are contained at the following ratio, mass-%: gypsum at specific surface of 3000 cm²/g, 37.6-41.6; gypsum at specific surface of 9000 cm²/g, 46.4-50.4; polyvinyl alcohol, 0.167-0.5; saturated solution to the following content of components: slaked lime, 0.0135-0.019; the remainder being water.

EFFECT: enhanced strength of finished articles.

3 ex

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RU 2 318 769 C1

Authors

Belov Vladimir Vladimirovich

Petropavlovskaja Viktorija Borisovna

Punegov Stanislav Vladimirovich

Dates

2008-03-10—Published

2006-08-02—Filed