HYDROPHOBIC PAPER OR CARDBOARD WITH SELF-ASSEMBLED NANOPARTICLES AND METHOD FOR THE PRODUCTION THEREOF

HYDROPHOBIC PAPER OR CARDBOARD WITH SELF-ASSEMBLED NANOPARTICLES AND METHOD FOR THE PRODUCTION THEREOF

A hydrophobic paper or cardboard that has self-assembled silicon-oxide nanoparticles with functional silane groups and fluorocarbonated compounds linked directly to the cellulose fibres of at least one of the surfaces thereof, with a Cobb value of 8 to 25 g/m2 and water contact angles of 100 to 140...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: JULIO GOMEZ CORDON, JOEL GUTIERREZ ANTONIO, ORLANDO SEVERIANO PEREZ, GREGORIO JOSE DE HAENE ROSIQUE, NESTOR LUNA MARROQUIN, RODRIGO PAMANES BRINGAS
Format: Patent
Sprache:eng ; spa
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:A hydrophobic paper or cardboard that has self-assembled silicon-oxide nanoparticles with functional silane groups and fluorocarbonated compounds linked directly to the cellulose fibres of at least one of the surfaces thereof, with a Cobb value of 8 to 25 g/m2 and water contact angles of 100 to 140 degrees, which can be used for packing foodstuffs. The hydrophobic paper or cardboard may be printed, is recyclable and exhibits improved adhesion in areas requiring adhesive bonding of paper or cardboard. Un papel o cartón hidrofóbico que tiene nanopartículas de óxido de silicio autoensambladas con grupos funcionales de silanos y compuestos fluorocarbonados enlazadas directamente a las fibras de celulosa de al menos una de sus superficies, con un valor Cobb de 8 a 25 g/m2 y ángulos de contacto de agua de 100 a 140 grados, útil como empaque para alimentos. El papel o cartón hidrofóbico puede ser impreso, es reciclable y cuenta con mejora a la adhesión en áreas que requieran pegado del papel o cartón.