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2 079 593

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IPC

(21) (22)

Application

94017517/12, 1994-05-12

(22)

Actual filing date

1994-05-12

(45)

Published

1997-05-20

(72)

Inventor

Kanarskij A.V.Patrusheva V.S.Leonovich A.A.Sharnin G.P.Zhiljaev G.G.Zaripov I.N.Maslov V.A.

(73)

Holder

Aktsionernoe Obshchestvo Nauchno-Issledovatel'Skij Institut Tselljulozno-Bumazhnoj Promyshlennosti"

METHOD OF FILTER SORBING PAPER MAKING Russian patent published in 1997 - IPC

Abstract RU 2079593 C1

FIELD: chemical technology. SUBSTANCE: method involves mixing sulfate nonbleached cellulose with filling agent. Filling agent - activated carbon at ratio carbon to cellulose = 1:1. Obtained mass is glued, gluing agent is precipitated on fiber with aluminium sulfate and prepared fabric is impregnated with antipyrene aqueous solution. Used antipyrene - nitrilotrimethylphosphonic acid tetraammonium salt. Impregnation is carried out up to weight addition of solution in fabric 6-9% of its mass. EFFECT: improved method of sorbing paper making. 1 tbl

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RU 2 079 593 C1

Authors

Kanarskij A.V.

Patrusheva V.S.

Leonovich A.A.

Sharnin G.P.

Zhiljaev G.G.

Zaripov I.N.

Maslov V.A.

Dates

1997-05-20—Published

1994-05-12—Filed