Method for making cellulose substrates impermeable to grease

Method for making cellulose substrates impermeable to grease comprises application of aqueous coating medium, containing at least a (co)polymer derived from a synthetic latex and a water soluble film-forming polymer; and subsequent drying to obtain a film. An Independent claim is also included for a...

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Bibliographische Detailangaben
Hauptverfasser:	HOSSENLOPP CELINE, DOBLER FRANCIS
Format:	Patent
Sprache:	eng ; fre
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:	Method for making cellulose substrates impermeable to grease comprises application of aqueous coating medium, containing at least a (co)polymer derived from a synthetic latex and a water soluble film-forming polymer; and subsequent drying to obtain a film. An Independent claim is also included for a cellulose substrate such as paper or cardboard. Cette invention concerne un procédé pour imperméabiliser aux graisses des substrats cellulosiques de type papier ou carton, caractérisé en ce qu'il comprend l'application sur la surface du substrat à imperméabiliser d'un milieu d'enduction aqueux comprenant au moins un polymère ou copolymère dérivant d'un latex synthétique et un polymère filmogène hydrosoluble, et son séchage pour en obtenir un film.Elle a également pour objet les substrats cellulosiques ainsi obtenus.