Security paper highly resistant to double folding and method...

Details Security paper highly resistant to double folding and method... Security paper highly resistant to double folding and method...

D - Textiles, Paper

21

H

D21H 27/32 (2006.01)

Patent

CA 2550574

The invention concerns a security paper comprising at least two plies of paper, wherein at least one intermediate layer arranged between the two plies of paper comprises at least one element providing the paper with high double folding resistance, such as defined by the NF ISO 5626 standard, the two plies and said intermediate layer being closely assembled. The invention also concerns a method for making said paper whereby the intermediate layer is deposited by spraying.

L'invention concerne un papier de sécurité comprenant au moins deux jets de papier, dans lequel au moins une couche intermédiaire disposée entre les deux. jets de papier comporte au moins un élément conférant au papier une résistance au double-pli élevée, telle que définie dans la norme NF ISO 5626, les deux jets et ladite couche intermédiaire étant intimement assemblés. L'invention concerne également un procédé de fabrication dudit papier de sécurité selon lequel ladite couche intermédiaire est déposée par projection.

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