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2 039 719

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C1

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IPC

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Application

5042281/05, 1992-05-15

(22)

Actual filing date

1992-05-15

(45)

Published

1995-07-20

(72)

Inventor

Solomatov V.I.Seljaev V.P.Korotin A.I.Buzulukov V.I.Cherkasov V.D.Kuprijashkina L.I.

(73)

Holder

Mordovskij Gosudarstvennyj Universitet Im.N.P.Ogareva

RAW MIXTURE Russian patent published in 1995 - IPC

Abstract RU 2039719 C1

FIELD: manufacture of building materials. SUBSTANCE: raw mixture includes, mas. cement 76.56-76.835; lignosulfonate successively treated with 33% aqueous solution of hydrogen peroxide in ratio of 19:1 and 14% aqueous solution of nitric acid in ratio of 7:1 0.115-0.46, the balance, water. Additive improves rheological properties of mixture without impairing its strength. Mobility of mixture is up to 14.8 cm and strength after 28 days of hardening under normal conditions is up to 61.05 MPa. EFFECT: higher efficiency. 9 tbl

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RU 2 039 719 C1

Authors

Solomatov V.I.

Seljaev V.P.

Korotin A.I.

Buzulukov V.I.

Cherkasov V.D.

Kuprijashkina L.I.

Dates

1995-07-20—Published

1992-05-15—Filed

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