D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 23/12 (2006.01) D21H 17/67 (2006.01) D21H 21/22 (2006.01) D21H 27/00 (2006.01) D21H 17/71 (1995.01)
Patent
CA 2333113
The invention relates to a process for regulating the porosity and printing properties of paper, in particular uncoated wood-containing paper such as SC-paper, wherein a sufficient quantity of colloidal PCC having a BET surface area of 10-100 m2/g is used as a filler in the paper to achieve a desired porosity of the paper, as well as paper containing colloidal PCC as filler, and a pigment mixture suitable for paper manufacture and containing colloidal PCC.
L'invention concerne un procédé servant à réguler la porosité et les propriétés d'impression d'un papier, en particulier, un papier non couché contenant du bois, tel qu'un papier super-calandré, ce qui consiste à utiliser une quantité suffisante de carbonate de calcium précipité (PCC) colloïdal dont la surface déterminée par BET est de 10-100 m<2>/g, en tant que charge dans le papier, de manière à obtenir une porosité désirée pour ce papier. Elle concerne également du papier contenant du carbonate de calcium précipité colloïdal en tant que charge, ainsi qu'un mélange pigmenté adéquat pour la fabrication du papier et contenant du carbonate de calcium précipité colloïdal.
Attrup Ib
Lunden Klaus Akilles
Madsen Jens Toftelund
J.m. Huber Denmark Aps
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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