METHOD OF MANUFACTURING SORBING FILTER PAPER Russian patent published in 2000 - IPC

Abstract RU 2150541 C1

FIELD: paper-and-pulp industry. SUBSTANCE: invention, in particular, relates to filter paper used as sorbing layer when manufacturing protective material against corrosive air media. Paper sheet made from a mixture of sulfate cellulose with activated carbon and sizing agent precipitated on fibers is impregnated with solution of silica sol until the latter increases weight of sheet by 10-12%. EFFECT: increased sorption capacity and strength both in dry and wet state. 1 tbl

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RU 2 150 541 C1

Authors

Ivanova V.S.

Irtegova L.F.

Kanarskij A.V.

Zaripov I.N.

Zhiljaev G.G.

Dates

2000-06-10—Published

1998-03-16—Filed