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2 024 476

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C1

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IPC

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Application

5058049/04, 1992-08-10

(22)

Actual filing date

1992-08-10

(45)

Published

1994-12-15

(72)

Inventor

Imjanitov N.S.Pritsker A.A.Shapiro A.L.Kolosnitsyn V.D.Grishanov G.P.Obukhov V.G.Mamedov U.A.Jaskin V.P.

(73)

Holder

Sankt-Peterburgskij Filial Sovmestnogo Predprijatija

METHOD OF HEXYLENE GLYCOL SYNTHESIS Russian patent published in 1994 - IPC

Abstract RU 2024476 C1

FIELD: chemical technology. SUBSTANCE: product: hexylene glycol, empirical formula C6H14O2, conversion is 70-96%, selectivity is 90-99.7%. Reagent 1: diacetone alcohol. Reaction conditions: hydrogenation under hydrogen pressure 3-30 MPa in the presence of Raney nickel catalyst modified with titanium prepared from the alloy of the following composition, wt.-%: Al 34.9-52.6; Ni 44.6-65.0; Ti 0.01-2.8, and impurities - the rest. Process is carried out preferably at 100-120 C, time contact of reaction mixture is 1.5-4 h. Product is used as component of aqueous-emulsion dyes. EFFECT: improved method of synthesis. 3 cl, 4 tbl

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RU 2 024 476 C1

Authors

Imjanitov N.S.

Pritsker A.A.

Shapiro A.L.

Kolosnitsyn V.D.

Grishanov G.P.

Obukhov V.G.

Mamedov U.A.

Jaskin V.P.

Dates

1994-12-15—Published

1992-08-10—Filed

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