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2 042 005

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C1

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IPC

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Application

5054396/12, 1992-07-10

(22)

Actual filing date

1992-07-10

(45)

Published

1995-08-20

(72)

Inventor

Rodin V.A.Samojlova L.N.Orljanskij V.V.Il'In V.V.El'Kin V.P.Lisachenko I.G.Gusev E.A.Vlasov V.P.Rodin V.V.Sakharov N.A.

(73)

Holder

Tovarishchestvo S Ogranichennoj Otvetstvennost'Ju Nauchno-Vnedrencheskaja Firma

PULP Russian patent published in 1995 - IPC

Abstract RU 2042005 C1

FIELD: paper industry. SUBSTANCE: pulp has fibrous material, glueing substance, alumina and precipitating agent. Precipitating agent: a mixture of poly-1,2-dimethyl-5-vinylpyridinium methylsulfate with polyacrylamide, or product of copolymerization of 1,2-dimethyl-5-vinylpyridinium methylsulfate with acrylamide, or product of polymerization of 1,2-dimethyl-5-vinylpyridinium methylsulfate obtained in the presence of β-hydroxypropyl-tert.-butylperoxide or in the presence of latter and a-amino-g-methylbutyric acid in the form of mixture of D,L-isomers at concentration 0.01-0.07 wt.-% Paper mass can contain additionally filler. Pulp is used for paper and cardboard production. EFFECT: improved method of pulp production. 2 cl, 1 tbl

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RU 2 042 005 C1

Authors

Rodin V.A.

Samojlova L.N.

Orljanskij V.V.

Il'In V.V.

El'Kin V.P.

Lisachenko I.G.

Gusev E.A.

Vlasov V.P.

Rodin V.V.

Sakharov N.A.

Dates

1995-08-20—Published

1992-07-10—Filed

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