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2 015 887

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Application

93009525/15, 1993-02-25

(22)

Actual filing date

1993-02-25

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Published

1994-07-15

(72)

Inventor

Tsvetkov V.E.Sukhanova E.M.Fedorova A.A.Nikitin A.A.Semochkin Ju.A.Tsvetkov S.V.

(73)

Holder

Tsvetkov Vjacheslav Efimovich

METHOD FOR PRODUCTION OF WALLBOARDS WITH FINISHED SURFACE Russian patent published in 1994 - IPC

Abstract RU 2015887 C1

FIELD: wood-working. SUBSTANCE: method includes preparation of aminoformaldehyde impregnating resin with reduced content of melamine in presence of modifying additions. Resin is prepared in medium with variable acidity. Board are molded at temperature reduced by 20-30 C. Used as modifying additives are monobasic and/or polyatomic alcohols (e.g., butanol-1, ethyleneglycol). EFFECT: higher efficiency. 4 cl, 1 tbl

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RU 2 015 887 C1

Authors

Tsvetkov V.E.

Sukhanova E.M.

Fedorova A.A.

Nikitin A.A.

Semochkin Ju.A.

Tsvetkov S.V.

Dates

1994-07-15—Published

1993-02-25—Filed

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