Method of producing a paper having a three-dimensional pattern and paper produced by the method

Method of producing a paper having a three-dimensional pattern and paper produced by the method

Method of producing a paper having a three-dimensional pattern of alternating raised and recessed portions which is given the paper in connection with impulse drying. The paper web has a varying material composition as seen in its thickness direction, so that it at least in an outer layer contains a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BENGT JAERREHULT, HOLGER HOLLMARK, MATS SOEDERBERG, KAVEH TONDKAR, LENNART REINER, THOMAS BILLGREN
Format: Patent
Sprache:eng
Schlagworte:
IMPREGNATING OR COATING OF PAPER
METHODS OF PRODUCING PAPER THEREON
PAPER NOT OTHERWISE PROVIDED FOR
PAPER-MAKING
PAPER-MAKING MACHINES
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:Method of producing a paper having a three-dimensional pattern of alternating raised and recessed portions which is given the paper in connection with impulse drying. The paper web has a varying material composition as seen in its thickness direction, so that it at least in an outer layer contains an amount of a material that softens, melts or hardens in the temperature interval 100-400° C. or in some other way contributes in stabilizing the pattern structure that has been given the paper. It is further referred to an impulse dried paper produced according to the method.