Use of thinnings and other low specific gravity wood for...

D - Textiles – Paper – 21 – H

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D21H 11/00 (2006.01) D01F 2/00 (2006.01) D21C 3/02 (2006.01)

Patent

CA 2452944

Low specific gravity wood can be used to make lyocell fibers. Low specific gravity wood has a specific gravity less than 0.41. The low specific gravity wood is either thinnings or juvenile wood. The low specific gravity wood can be used to make a pulp, wherein the pulp has a viscosity less than 32 cP, a copper number less than 2, a weighted average fiber length less than 2.7 mm, and a coarseness less than 23 mg/100m. The pulp is used to produce a lyocell product.

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