HEAT SEALABLE BARRIER MATERIAL

The invention relates to a method for manufacturing a heat sealable barrier material (2), the method comprising: supplying a paper (10, 11) having a first side and a second side, applying a barrier coating dispersion on the first side of the paper by using a blade coater or a rod coater, the barrier...

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Bibliographische Detailangaben
Hauptverfasser:	SAUKKONEN, Esa, TOIVANEN, Timo, LITTUNEN, Kuisma, KUNNAS, Leena
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL IMPREGNATING OR COATING OF PAPER LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PACKAGES PACKAGING ELEMENTS PACKING PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PERFORMING OPERATIONS PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS STORING TEXTILES TRANSPORTING TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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Beschreibung
Zusammenfassung:	The invention relates to a method for manufacturing a heat sealable barrier material (2), the method comprising: supplying a paper (10, 11) having a first side and a second side, applying a barrier coating dispersion on the first side of the paper by using a blade coater or a rod coater, the barrier coating dispersion being an aqueous dispersion having solids content in a range between 40 and 60 wt.% and comprising from 20 wt.% to 60 wt.% mineral pigment(s), and from 20 wt.% to 80 wt.% functional polymer(s) which are selected from a group consisting of: polyolefin dispersion(s), acrylate dispersion(s), styrene-acrylate dispersion(s), vinyl acetate-acrylate dispersion(s), and styrene-butadiene latex dispersion(s), and drying the barrier coating dispersion in order to form a barrier coating layer (20). The invention relates to a use of the heat sealable barrier material. The invention further relates to a package. L'invention concerne un procédé de fabrication d'un matériau barrière thermoscellable (2), le procédé comprenant : la fourniture d'un papier (10, 11) ayant une première face et une seconde face, l'application d'une dispersion de couchage fonctionnel sur la première face du papier à l'aide d'une coucheuse à lame ou d'une coucheuse à barre rotative, la dispersion de couchage fonctionnel étant une dispersion aqueuse ayant une teneur en solides comprise entre 40 et 60 % en poids et comprenant de 20 % à 60 % en poids de pigments minéraux, et de 20 % à 80 % en poids de polymères fonctionnels qui sont choisis parmi les groupes suivants : dispersion(s) de polyoléfine, dispersion(s) d'acrylate, dispersion(s) de styrène-acrylate, dispersion(s) d'acétate de vinyle-acrylate et dispersion(s) de latex de styrène-butadiène ; et le séchage de la dispersion de couchage fonctionnel afin de former une couche de couchage fonctionnel (20). L'invention concerne également l'utilisation du matériau barrière thermoscellable. L'invention concerne en outre un emballage.