PRODUCT OF PAPERBOARD HAVING IMPROVED PRINTING PROPERTIES

PRODUCT OF PAPERBOARD HAVING IMPROVED PRINTING PROPERTIES

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 mix...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: ERICSSON, Stefan, LINDSTEDT, Thomas
Format: Patent
Sprache:eng ; fin
Schlagworte:
IMPREGNATING OR COATING OF PAPER
PAPER NOT OTHERWISE PROVIDED FOR
PAPER-MAKING
PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D
PRODUCTION OF CELLULOSE
PULP COMPOSITIONS
TEXTILES
TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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Beschreibung
Zusammenfassung: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%.