Erasable paper product

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 21/04 (2006.01)

Patent

CA 2557548

A paper product comprising a base sheet and a marking-erasable coating is disclosed. The base sheet can comprise a base-sheet core and a base-sheet coating. The marking-erasable coating is water soluble or water dispersible and can include, for example, various natural or modified starches applied at a coating weight sufficient to make the surface of the paper product erasable. The paper product can be substantially recyclable or substantially repulpable. Also described is a method for making the paper product.

Cette invention concerne un produit en papier comprenant une feuille de base et un revêtement permettant d'effacer le marquage. La feuille de base peut comprendre un support de feuille de base et un revêtement de feuille de base. Le revêtement permettant d'effacer le marquage est hydrosoluble ou dispersible dans l'eau et peut notamment comprendre divers amidons naturels ou modifiés appliqués selon un poids de revêtement suffisant pour que la surface du produit en papier puisse être effacée. Le produit en papier peut être substantiellement recyclé ou substantiellement repulpé. Cette invention concerne également un procédé de fabrication de ce produit en papier.

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