COATING COMPOSITION FOR PAPERS PROVIDING EXCELLENT WATER VAPOR BARRIER PROPERTIES

Composition for surface treatment of paper, paperboard or the like, which composition on a solids weight basis comprises: 20 to 55% of a binder with glass transition temperature lower than 30° C.; 45 to 80% of a talcum with an average particle size between 500 and 2000 nm, preferably 33 to 40% of a...

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Bibliographische Detailangaben
1. Verfasser:	VAN DEN ABBEELE HENK JAN FRANS
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS IMPREGNATING OR COATING OF PAPER INKS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL PRODUCTION OF CELLULOSE PULP COMPOSITIONS SPRAYING OR ATOMISING IN GENERAL TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	Composition for surface treatment of paper, paperboard or the like, which composition on a solids weight basis comprises: 20 to 55% of a binder with glass transition temperature lower than 30° C.; 45 to 80% of a talcum with an average particle size between 500 and 2000 nm, preferably 33 to 40% of a binder with glass transition temperature lower than 30° C.; 60 to 67% of a talcum with an average size between 500 and 2000 nm. The binder is a styrene butadiene latex, and the talcum has an aspect ratio of higher than 30, preferably of higher than 50, and the specific surface area of the talcum particles is between 10 and 20 m2/gr, preferably between 14 and 18 m2/gr.