PAPPERSPRODUKT INNEHALLANDE CELLULOSAFIBRER OCH ETT BINDEMEDELSSYSTEM SOM OMFATTAR KOLLOIDAL KISELSYRA OCH KATJONISK STERKELSE SAMT FORFARANDE FOR FRAMSTELLNING AV PAPPERSPRODUKTEN

In making paper from an aqueous papermaking stock a binder comprising colloidal silicic acid and cationic starch is added to the stock for improving the paper or the retention of the stock components, or is added to the white water for reducing the pollution problems or recovering values from the wh...

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Bibliographische Detailangaben
Hauptverfasser:	5)P J SVENDING, 3)H M LARSSON, 2)H E JOHANSSON, 4)O SUNDEN, 1)P G BATELSON
Format:	Patent
Sprache:	swe
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:	In making paper from an aqueous papermaking stock a binder comprising colloidal silicic acid and cationic starch is added to the stock for improving the paper or the retention of the stock components, or is added to the white water for reducing the pollution problems or recovering values from the white water. The cationic starch of the binder has a degree of substitution of not less than 0.01, and the weight ratio of cationic starch to SiO2 is between 1:1 and 25:1.