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2 015 789

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C1

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IPC

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Application

4942011/02, 1991-06-04

(22)

Actual filing date

1991-06-04

(45)

Published

1994-07-15

(72)

Inventor

Evstifeev E.N.Kogan S.B.Evstifeeva A.G.Gumantsov V.I.Smirnov V.N.Ton P.G.Podkletnova N.M.Georgievskij V.Ju.

(73)

Holder

Nauchno-Proizvodstvennoe Aktsionernoe Obshchestvo

BINDER FOR MAKING OF MOLDS AND HEAT HARDENING RODS Russian patent published in 1994 - IPC

Abstract RU 2015789 C1

FIELD: metallurgy. SUBSTANCE: binder consists of technical lignosulfonates and modifying agent, which represents the waste of 2-methylimidazole production, at the following ratio, wt.-%: technical lignosulfonates 80-90, and nitrogen-containing waste of 2-methylimidazole production 10-20. Binder is used for making of ingots made of cast iron and steel. EFFECT: enhanced quality of rods and molds owing to increased strength at the cold state and decreased hygroscopicity. 2 cl, 2 tbl

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RU 2 015 789 C1

Authors

Evstifeev E.N.

Kogan S.B.

Evstifeeva A.G.

Gumantsov V.I.

Smirnov V.N.

Ton P.G.

Podkletnova N.M.

Georgievskij V.Ju.

Dates

1994-07-15—Published

1991-06-04—Filed

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