METHOD OF MODIFYING PAPER AND CARDBOARD

A fibrous product, the absorption and desorption properties of which have been improved and which comprises a fibrous substrate which has, on at leas t one of it surfaces, a small quantity of a modified starch, and a method of producing it. According to the present invention, onto at least one surfa...

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Bibliographische Detailangaben
Hauptverfasser:	LAMPINEN, HENNA, QVINTUS-LEINO, PIA, MOILANEN, PERTTI, HYVARINEN, SARI, SAARI, TERHI, PAUKKU, JUHANI, PELTONEN, SOILI, KATAJA, KIRSI
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	COLOUR PRINTING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS IMPREGNATING OR COATING OF PAPER LINING MACHINES PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PERFORMING OPERATIONS PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES PRODUCTION OF CELLULOSE PULP COMPOSITIONS STAMPS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TEXTILES TRANSPORTING TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G TYPEWRITERS
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Beschreibung
Zusammenfassung:	A fibrous product, the absorption and desorption properties of which have been improved and which comprises a fibrous substrate which has, on at leas t one of it surfaces, a small quantity of a modified starch, and a method of producing it. According to the present invention, onto at least one surface of the fibrous product is applied 0.01-1.0 g/m of starch ether ester, anion ic starch ester, or starch ether or ester, from a diluted aqueous solution o r aqueous dispersion. By means of the present invention it is possible effic iently to reduce the absorption of printing ink into a surface to be printed . Consequently, the desired density is achieved with a smaller printing ink quantity and, at the same time, harmful print-through of imprints is reduced .