STOCK SIZE FOR PAPER OR BOARD MANUFACTURE, METHOD FOR PREPARATION OF SIZE, USE OF SIZE

A stock size intended to be added as a solution to the pulp stock in connection with the manufacture of paper or board in order to improve the characteristics of the paper or board, e.g. to reduce the absorption of liquids, to increase the dry strength and wet strength. The stock size contains a pol...

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Bibliographische Detailangaben
Hauptverfasser:	NURMINEN, MARKKU, NIINIKOSKI, MARI
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADHESIVES CHEMISTRY DYES IMPREGNATING OR COATING OF PAPER METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING POLISHES PREPARATION OF CARBON BLACK 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 TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES
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Beschreibung
Zusammenfassung:	A stock size intended to be added as a solution to the pulp stock in connection with the manufacture of paper or board in order to improve the characteristics of the paper or board, e.g. to reduce the absorption of liquids, to increase the dry strength and wet strength. The stock size contains a polymer, which is based on styrene maleic acid and stabilised with a polysaccharide, such as cationic starch. The stock size is advantageousl prepared in a steam jet cooker. The stock size is suitably used as a stock size in the manufacturing of liquid packaging board. L'invention concerne un produit de collage en masse destiné à être ajouté à la pâte, sous forme de solution, dans la fabrication de papier ou de carton, afin d'améliorer les caractéristiques du papier ou du carton, telles que réduction d'absorption de liquides, et augmentation de la résistance à sec et à l'état humide. Le produit de collage en masse contient un polymère, à base de styrène et d'acide maléique, stabilisé avec un polysaccharide, tel que de l'amidon cationique. Le produit de collage en masse est avantageusement préparé dans un cuiseur à injection de vapeur. Le produit de collage en masse est utilisé avec avantage dans la fabrication de carton pour emballages de liquides.