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2 048 477

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Application

5061128/05, 1992-06-24

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Actual filing date

1992-06-24

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Published

1995-11-20

(72)

Inventor

Moiseev V.V.Kovshov Ju.S.Zornikov I.P.Zharkikh T.P.

(73)

Holder

Gosudarstvennoe Predprijatie Voronezhskij Filial Nauchno-Issledovatel'Skogo Instituta Sinteticheskogo Kauchuka Im.Akad.S.V.Lebedeva

METHOD OF UNSATURATED ELASTOMER HYDROGENATION Russian patent published in 1995 - IPC

Abstract RU 2048477 C1

FIELD: chemical technology. SUBSTANCE: treatment of hydrocarbon polymer solution with hydrogen is carried out in the presence of catalyst prepared on the basis of trialkylaluminium and maleic acid monoester nickel salt of the general formula (R-OCO-CH=CH-CO-O)2Ni where R C8-14-alkyl at the molar ratio Ni:Al 1:(2-8) at nickel dosage 0.01-0.50 wt.-% per polymer. Method is used for preparing hydrogenated unsaturated elastomers with high degree of purification from catalyst residue. EFFECT: improved method of hydrogenation. 5 tbl

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RU 2 048 477 C1

Authors

Moiseev V.V.

Kovshov Ju.S.

Zornikov I.P.

Zharkikh T.P.

Dates

1995-11-20—Published

1992-06-24—Filed

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