Product of Paperboard Having Improved Printing Properties
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United States of America Patent
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Issued Date -
Aug 22, 2024
app pub date -
Jun 9, 2022
filing date -
Jun 18, 2021
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Abstract
There is provided a method of forming a multi-layered paperboard comprising a bottom layer, a top layer and a middle layer arranged between the top layer and the bottom layer, wherein the middle layer is formed from a middle layer furnish comprising at least 30% by dry weight of a HT-CTMP from a mixture of hardwood and softwood, which middle layer furnish is fed to a wire from a middle layer head box in which the consistency is above 0.30%, such as above 0.40%, such as at least 0.43%.
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