Wood-free pulp and white paper product

Details Wood-free pulp and white paper product Wood-free pulp and white paper product

D - Textiles, Paper

21

H

D21H 11/14 (2006.01) D21C 5/02 (2006.01)

Patent

CA 2133406

2133406 9322499 PCTABS00027 A wood-free white paper product has a pulp component which comprises 10 to 100 %, by weight, of bleached cellulosic fibers consisting essentially of recycled fibers of old corrugated containers; typically the bleached fibers have a viscosity of at least 10 cps, a brightness of 80 to 89 ISO and a tensile breaking strength of about 5 to 7 km; it was completely surprising that a pulp of recycled old corrugated containers would have characteristics and quality such that it might be employed as the sole pulp in the manufacture of wood-free white paper products; the white paper products include fine papers used for printing and writing, tissue papers and white paper layers employed as liners in food grade board in packaging for foods.

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