Sized paper, process for producing same and use thereof

Details Sized paper, process for producing same and use thereof Sized paper, process for producing same and use thereof

D - Textiles, Paper

21

H

D21H 17/68 (2006.01) D21H 21/16 (2006.01) D21H 23/18 (2006.01) D21H 23/76 (2006.01)

Patent

CA 2081082

The present invention relates to a sized paper containing a hydrophobic zeolite. Suitably, the sized paper is fine paper, kraft liner or paperboard. In paperboard intended for solid or liquid foodstuffs, tobacco or medici- nes, use is also made of the capacity of the zeolite to reduce, by adsorption, the problem of transfer from the package to its content of substances causing undesirable taste or hazardous substances. The present invention also relates to a method for production of the sized paper by forming and dewatering a suspension of lignocellulose- containing fibres, where the dewatering is carried out in the presence of a hydrophobic zeolite. Due to the inert nature of the zeolite, it can be used in papermaking within a very broad pH range. The present invention also relates to the use of a hydrophobic zeolite for the production of sized paper as well as use of the thus-sized paper in packaging material.

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