D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 19/84 (2006.01) D21H 11/14 (2006.01) D21H 21/52 (2006.01)
Patent
CA 2187182
A web printing paper, including a coating base paper which contains mineral filler and at least one of wood pulp and cellulose as fiber components. The coating base paper has a grammage of 30 to < 58 g/m2, and a filler content, relative to its grammage, equal to 15 to 35% by weight. The coating base paper selectively contains, in addition to the at least one of wood pulp and cellulose, up to < 50% by weight recycled fibers, all weight parts adding up to 100% by weight. The printing paper further includes a coating applied to both sides of the base paper by a film press so as to absorb printing ink. The coating contains pigment and binder. The coating on each side of the base paper has a grammage of 2 to 12 g/m2, and the pigment of the coating has a grain size, 40 to 60% by weight, of < 2 µm.
L'invention concerne un papier d'impression continu, couché sur les deux faces, composé d'un support de couche, contenant, outre de la pâte de bois et/ou de la cellulose, une proportion de fibres recyclées pouvant éventuellement être inférieure à 50 % en poids. La teneur en charge du support de couche est comprise entre 15 et 35 % en poids, par rapport au grammage allant de 30 à moins de 58 g/m<2>. Une couche de 2 à 12 g/m<2> est appliquée sur chaque face du support de couche au moyen d'une presse coucheuse. Cette couche contient des pigments dont la distribution granulométrique pour 40 à 60 % en poids est inférieure à 2 mu m. La couche sèche est ensuite lissée par calandrage.
Dahling Paul-Heinz
Gurtler Adam
Horand Dieter
Pelech Bernd
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Stora Feldmuhle Ag
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