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2 041 863

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C1

(51)

IPC

(21) (22)

Application

92015292/05, 1992-12-29

(22)

Actual filing date

1992-12-29

(45)

Published

1995-08-20

(72)

Inventor

Rozental' N.K.Izmajlova E.V.Izmajlov O.I.Vovk A.I.

(73)

Holder

Nauchno-Issledovatel'Skij, Proektno-Konstruktorskij I Tekhnologicheskij Institut Betona I Zhelezobetona

COMPLEX ADDITION FOR CONCRETE MIXTURE Russian patent published in 1995 - IPC

Abstract RU 2041863 C1

FIELD: concrete mixtures. SUBSTANCE: complex addition for concrete mixture has, superplasticizer C-3 on the basis of sodium salt of product condensation of β-naphthalenesulfoacid with formaldehyde 85.21-89.74; alkylsulfate 7.26-10.65; neutral lipids waste of production of protein-vitamin concentrates 3.0-4.14. Concrete strength limit at 28 days with addition is: at compression up to 70.5 MPa, at bending up to 9.8 MPa. Water-proofing quality up to 12. EFFECT: enhanced quality of addition. 2 tbl

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RU 2 041 863 C1

Authors

Rozental' N.K.

Izmajlova E.V.

Izmajlov O.I.

Vovk A.I.

Dates

1995-08-20—Published

1992-12-29—Filed

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