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2 496 729

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(51)

IPC

C04B7/52(2006-01-01)

(21) (22)

Application

2012107720/03, 2012-02-29

(24)

Start date

2012-02-29

(22)

Actual filing date

2012-02-29

(45)

Published

2013-10-27

(72)

Inventor

Erofeev Vladimir TrofimovichRimshin Vladimir IvanovichBazhenov Jurij MikhajlovichMagdeev Usman KhasanovichZhidkin Vladimir FedorovichBurnajkin Nikolaj FedorovichRodin Aleksandr IvanovichBogatov Andrej DmitrievichKaznacheev Sergej Valer'EvichRodina Marina Aleksandrovna

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Universitet Im. N.P. Ogareva"

PORTLAND CEMENT Russian patent published in 2013 - IPC C04B7/52

Abstract RU 2496729 C1

FIELD: chemistry.

SUBSTANCE: invention relates to portland cement composition and can be used to produce novel types of cement used in construction, as well as mortar and concrete based thereon. The portland cement contains alite portland cement clinker, gypsum dihydrate and a mineral additive in form of sodium sulphate and quartz sand with grain size of 160-320 mcm, with the following ratio of components, wt %: alite portland cement clinker 87.34-96.43, gypsum dihydrate 1.93-6.99, sodium sulphate 0.68-3.06, quartz sand with grain size of 160-320 mcm - the balance.

EFFECT: improved strength characteristics of portland cement.

2 tbl

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RU 2 496 729 C1

Authors

Erofeev Vladimir Trofimovich

Rimshin Vladimir Ivanovich

Bazhenov Jurij Mikhajlovich

Magdeev Usman Khasanovich

Zhidkin Vladimir Fedorovich

Burnajkin Nikolaj Fedorovich

Rodin Aleksandr Ivanovich

Bogatov Andrej Dmitrievich

Kaznacheev Sergej Valer'Evich

Rodina Marina Aleksandrovna

Dates

2013-10-27—Published

2012-02-29—Filed