High-strength fluting from NSSC pulp
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United States of America Patent
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Dec 1, 2020
Grant Date -
Nov 16, 2017
app pub date -
Nov 20, 2015
filing date -
Nov 26, 2014
priority date (Note) -
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Abstract
There is provided a method of producing a containerboard, comprising the step of pressing a web formed from a pulp comprising NSSC pulp in an extended nip press, such as a shoe press, wherein the line load in the extended nip press is above 1200 kN/m. Further, there is provided a corrugated board comprising a liner and a fluting, wherein the fluting is formed from a pulp comprising NSSC pulp, the density of the fluting is above 725 kg/m3 and the geometric SCT index (ISO 9895) of the fluting is above 37 Nm/g.
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