Process for reducing the water-vapour permeability of paper, paper board or the like, and paper with increased impermeability to water

Process for reducing the water-vapour permeability of paper, paper board or the like, in which the paper is coated with an application medium. A low water-vapour permeability is achieved by the application medium being formed of a free-rosin dispersion which contains additives to improve the film-fo...

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Bibliographische Detailangaben
Hauptverfasser:	BACHLER JOSEF, RUEF WALTER DR
Format:	Patent
Sprache:	eng ; ger
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:	Process for reducing the water-vapour permeability of paper, paper board or the like, in which the paper is coated with an application medium. A low water-vapour permeability is achieved by the application medium being formed of a free-rosin dispersion which contains additives to improve the film-forming properties.