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2 039 848

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Application

4940400/26, 1991-05-30

(22)

Actual filing date

1991-05-30

(45)

Published

1995-07-20

(72)

Inventor

Pavljukhina L.A.Baev S.G.Chuprikova T.A.Bessmel'Tsev V.P.Lomovskij O.I.Shil'Nikov G.V.Zuev Ju.L.

(73)

Holder

Novosibirskij Gosudarstvennyj UniversitetInstitut Khimii Tverdogo Tela I Pererabotki Mineral'Nogo Syr'Ja So Ran

METHOD OF CHEMICAL ETCHING BACKING MADE OF TRIACETYLCELLULOSE BEFORE CHEMICAL METALLIZATION Russian patent published in 1995 - IPC

Abstract RU 2039848 C1

FIELD: chemical technology. SUBSTANCE: backing etching made of triacetylcellulose before chemical metallization is carried out in 90 ± 1% sulfuric acid solution with addition of formaldehyde at the ratio to acid 1:(20-10), at the room temperature for 1-4 min. EFFECT: improved method of etching. 1 tbl

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RU 2 039 848 C1

Authors

Pavljukhina L.A.

Baev S.G.

Chuprikova T.A.

Bessmel'Tsev V.P.

Lomovskij O.I.

Shil'Nikov G.V.

Zuev Ju.L.

Dates

1995-07-20—Published

1991-05-30—Filed

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