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2 142 971

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IPC

(21) (22)

Application

97117382/04, 1997-10-09

(24)

Start date

1997-10-09

(22)

Actual filing date

1997-10-09

(45)

Published

1999-12-20

(72)

Inventor

Gorshkov V.K.Rogov V.Ja.Kochergina L.I.Belkina L.N.Ershova T.V.Vnukov F.A.Rumjantseva V.E.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Institut Radiostroenija"

PROTECTIVE VARNISH COMPOSITION FOR ALUMINIUM ALLOYS AND METHOD OF APPLYING VARNISH COMPOSITION ONTO APPLIANCES OF COMPLEX SHAPE MADE FROM ALUMINIUM ALLOYS Russian patent published in 1999 - IPC

Abstract RU 2142971 C1

FIELD: chemical industry. SUBSTANCE: described is protective varnish composition for aluminium alloys comprising 68+-2% solution of maleinized polybutadiene modified by phenol resin and diacetone or isopropyl alcohol. Composition comprises xylene, 25% aqueous ammonia and mixture of isopropyl alcohol and water, ratios of components being as follows: varnish, 270-300 g/l; xylene, 4-5 g/l; aqueous ammonia, 12-15 ml/l; mixture of isopropyl alcohol and water (1:1, 6:4) not more than 1 l, pH of composition is 7.0-7.2. EFFECT: new composition having high adhesion over entire surface. 2 cl, 3 ex

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RU 2 142 971 C1

Authors

Gorshkov V.K.

Rogov V.Ja.

Kochergina L.I.

Belkina L.N.

Ershova T.V.

Vnukov F.A.

Rumjantseva V.E.

Dates

1999-12-20—Published

1997-10-09—Filed