Paper articles exhibiting long term storageability

Details Paper articles exhibiting long term storageability Paper articles exhibiting long term storageability

D - Textiles, Paper

21

H

D21H 19/24 (2006.01) B05D 1/36 (2006.01) B05D 3/02 (2006.01) B05D 5/04 (2006.01) B41M 5/52 (2006.01) D21H 19/80 (2006.01) D21H 21/36 (2006.01) D21H 27/14 (2006.01) D21H 19/20 (2006.01)

Patent

CA 2443998

A method for increasing the long term storageability of a cellulosic paper or paperboard product. The method includes providing a paper or paperboard product (10) made from cellulosic fibers having a basis weight ranging from about 80 to about 300 pounds per 3000 square feet. A holdout material (12) is applied to at least one surface of the paper or paperboard product. The web is then coated with an ink receptive layer (14) selected from the group consisting of an aqueous acrylic polymer coating material, and aqueous biocidal agent and a combination of aqueous acrylic polymer coating material and aqueous biocidal agent and dried to provide a paper or paperboard product having enhanced long term storageability.

L'invention concerne un procédé permettant d'augmenter le stockage à long terme d'un papier cellulosique ou d'un carton. Ce procédé consiste à préparer un papier ou un carton (10), constitué de fibres cellulosiques, possédant un grammage compris entre 80 environ et 300 livres par 3000 mètres carrés environ. Un matériau de permanence (12) est appliqué sur au moins une surface du papier ou du carton. La bande est alors revêtue d'une couche à encre (14), choisie parmi le groupe comprenant un matériau de revêtement à base de polymère acrylique aqueux, et un agent biocide aqueux et une combinaison d'un matériau de revêtement à base de polymère acrylique aqueux et d'un agent biocide aqueux, et séchée afin d'obtenir un papier ou un carton dont la durée de stockage à long terme est augmentée.

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