D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 27/20 (2006.01) C08F 255/00 (2006.01) C08F 279/02 (2006.01) C08F 287/00 (2006.01) C08F 291/02 (2006.01) C08K 5/092 (2006.01) C08K 5/098 (2006.01) C08K 5/11 (2006.01) C08K 5/14 (2006.01) C08L 51/04 (2006.01) A63B 37/00 (2006.01)
Patent
CA 2324559
A paper-based sheet for wallcoverings that is made in a single pass on a standard paper making machine is described. The sheet has a print side and a barrier side and is made from softwood pulp in an amount of about 15% to about 40% by dry weight; hardwood pulp in an amount of about 30% to about 55% by dry weight; and, mineral filler in an amount of about 15% to about 30% by dry weight. A first coating is applied to the print side of the sheet in an amount of about 5 to about 20 gm/m2 dry weight. A second coating is applied to the barrier side of the sheet in an amount of about 2.5 to about 10 gm/m2 dry weight. The advantage is a strong, durable, alkaline wallcovering that is less expensive to produce, and provides a smooth print surface.
Domtar Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
LandOfFree
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