METHOD OF PREPARING PAPER STOCK Russian patent published in 1997 - IPC

Abstract RU 2084576 C1

FIELD: pulp-and-paper industry. SUBSTANCE: production of sized paper and pasteboard includes successively introducing into suspension of fibrous stock, containing 6-18 mg/l of water-soluble tannin, sizing substance, coagulant, and polyethylene oxide aqueous solution with concentration 0.5-1.0 g/l maintaining polyethylene oxide intake in the range 0.01-0.04% based on weight of solid fibrous stock. EFFECT: improved procedure. 3 cl, 1 tbl

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RU 2 084 576 C1

Authors

Teslenko V.V.

Teslenko O.V.

Druzhinin S.N.

Olejnik A.T.

Zajats Ju.N.

Pozdnjakov A.A.

Dates

1997-07-20—Published

1996-02-14—Filed