FIBROUS MASS FOR CRIMPED PAPER PRODUCING Russian patent published in 1996 - IPC

Abstract RU 2057227 C1

FIELD: paper manufacture. SUBSTANCE: fibrous mass has magnesium-bisulfite and semicellulose from deciduous wood strains and indicated semicellulose at the yield 69-72% obtained at pH 5.3-5.8 at total SO2 content 3.0-3.4%. Fibrous semifinished product from coniferous wood strains - bisulfite cellulose at the yield 60-62% at the following ratio of components, wt.-%: magnesium-bisulfite cellulose from deciduous wood strains 85-90; magnesium-bisulfite cellulose from coniferous wood strains 10-15. Crimped paper obtained from proposed fibrous mass shows high resistance to planar compression at increased utilization of parental deciduous wood. EFFECT: enhanced quality of fibrous mass. 1 tbl

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RU 2 057 227 C1

Authors

Kharchenko G.S.

Novozhilov V.A.

Filatov M.M.

Afanas'Ev B.S.

Gajtanov V.V.

Mutovina M.G.

Bondareva T.A.

Grankin Ju.V.

Samsonov N.E.

Fadeev B.A.

Dates

1996-03-27Published

1994-05-26Filed