FIELD: textile, paper.
SUBSTANCE: multilayered web stuff of paper comprises treated cellulosic fibers selectively located in one or more layers. Treated fibers have a substitution degree of 0.02 - 0.07 and constitute 5-50% of the total weight of the multilayer web stuff. Thus, the product based on the paper has a basis weight of 10-60 gsm, a sheet bulk is more than 8 cc/g, and the rigidity index is less than 15.
EFFECT: improved bulk and softness of the product based on paper without reducing the tensile strength.
18 cl, 4 tbl
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RU2573482C2 |
Authors
Dates
2017-05-29—Published
2013-12-20—Filed