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1 334 489

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Application

3980956/02, 1985-11-27

(22)

Actual filing date

1985-11-27

(45)

Published

1995-06-27

(72)

Inventor

Evstifeev E.N.Popova V.L.Epifanova L.G.Zajtseva L.F.Parshikov G.D.Sajfutdinov N.I.Vakulenko I.I.

BINDER FOR MAKING CASTING MOLDS AND CORES OF HEAT SOLIDIFICATION Russian patent published in 1995 - IPC

Abstract SU 1334489 A1

FIELD: casting production. SUBSTANCE: binder includes (%): technical lignosulfonates, modified by bottoms of polyvinylpirrolidon, 96-98; asphalt from distillation of fat acids of hydrogenated fat for stearin, 2-4. The invention provides lowered stickiness of casting molds and cores to an aluminium fitting, allowing to increase a number of core removal the same fitting by 3-10 times and to decrease hygroscopicity of casting sand by 1.5 times. EFFECT: enhanced quality of binder due to lowered stickiness of molds and cores to the fitting and their decreased hygroscopicity. 1 cl, 3 tbl

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SU 1 334 489 A1

Authors

Evstifeev E.N.

Popova V.L.

Epifanova L.G.

Zajtseva L.F.

Parshikov G.D.

Sajfutdinov N.I.

Vakulenko I.I.

Dates

1995-06-27—Published

1985-11-27—Filed

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