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2 090 534

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C1

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IPC

(21) (22)

Application

93018074/04, 1993-04-07

(22)

Actual filing date

1993-04-07

(45)

Published

1997-09-20

(72)

Inventor

Kozlovskij A.I.Rakhmanov V.A.Kozlovskij R.A.

(73)

Holder

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

RAW MIX Russian patent published in 1997 - IPC

Abstract RU 2090534 C1

FIELD: construction, more particularly manufacture of gypsum based raw mix. SUBSTANCE: raw mix comprises, wt.-%: semiaqueous gypsum, 40.2-64.5; wood filler, 11-25; 0.008-0.12 setting regulator which is mixture of sodium formula and organic polydendant chelatin-forming ligand in (0.43-2.33):1, 0.008-0.12; and water, the balance. Beginning and end of raw mix time is within 0 h, 55 min., 1 h 32 min. and 1 h 41 min., 2 h 17 min., respectively. Strength of the resulting material is not greater than 14.2 MPa. EFFECT: improved properties. 1 tbl

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RU 2 090 534 C1

Authors

Kozlovskij A.I.

Rakhmanov V.A.

Kozlovskij R.A.

Dates

1997-09-20—Published

1993-04-07—Filed

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