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2 078 744

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C1

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IPC

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Application

94036213/04, 1994-09-29

(22)

Actual filing date

1994-09-29

(45)

Published

1997-05-10

(72)

Inventor

Kozlovskij A.I.Rakhmanov V.A.Kozlovskij R.A.Medvedeva Ch.B.

(73)

Holder

Vserossijskij Federal'Nyj Nauchno-Issledovatel'Skij I Proektno-Konstruktorskij Tekhnologicheskij Institut Stroitel'Noj Industrii

COMPOUNDED ADDITIVE FOR CONCRETE MORTAR Russian patent published in 1997 - IPC

Abstract RU 2078744 C1

FIELD: manufacture of building materials. SUBSTANCE: additive contains (in wt %): sodium salt of sulfated product of condensation of (i) waste from phenol production based on cumylphenol and α-methylstyrene dimmers with (ii) formaldehyde, 30-74.5; sodium sulfate, 5-15; mixture of di- and triethanolamine salts of aforementioned condensation product with (i) to (ii) weight ratio 1: (0.3-1), 15-37; mixture of di- and trisulfoethanolamines in weight ratio 1: (0.3-1), 5-15; and organic foam suppressor, 0.5-3. As the latter, polyoxypropylene ether of n- buthyl alcohol or polymethylsiloxane liquid or their 1: 1 (weight) mixture can be used. Consistency of concrete mix with 1.5% of such additive keeps on initial level for 10 h. EFFECT: prolonged mortar consistency. 2 cl, 2 tbl

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RU 2 078 744 C1

Authors

Kozlovskij A.I.

Rakhmanov V.A.

Kozlovskij R.A.

Medvedeva Ch.B.

Dates

1997-05-10—Published

1994-09-29—Filed

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