Burnish resistant printing sheets

B - Operations – Transporting – 41 – M

Patent

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B41M 5/00 (2006.01) B41M 5/52 (2006.01) D21H 19/42 (2006.01)

Patent

CA 2478326

A coated printing sheet is provided that is suitable for conventional offset printing grades, exhibiting desirable surface and optical properties and providing a surface that is image receptive and resistant to coating failure. The coated printing sheet includes an image receptive coating containing a hard polymer pigment having a shear modulus of at least 5.0 x 109 dynes/cm2 and a film forming binder. The coated printing sheets resist burnishing and exhibit desirable properties, e.g., gloss, bulk, stiffness and smoothness, with minimal or no calendering.

L'invention concerne une feuille d'impression enduite convenant aux degrés d'impression offset classiques. Cette feuille a une surface et des propriétés optiques souhaitables et offre une surface réceptive à l'image et résistante aux échecs d'enduction. La feuille d'impression enduite comprend un revêtement réceptif à l'image contenant une pigment polymère solide ayant un module de cisaillement d'au moins 5.0 x 10?9¿ dynes/cm2 et un liant feuillogène. Les feuilles d'impression enduites résistent au brunissement et ont des propriétés souhaitées, par exemple, brillant, épaisseur moyenne d'une feuille en liasse, rigidité et lissé, avec peu ou pas de calandrage.

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