Use of thinnings and other low specific gravity wood for lyocell pulps

  • US 20030186054A1
  • Filed: 01/02/2003
  • Published: 10/02/2003
  • Est. Priority Date: 02/24/1999
  • Status: Active Grant
First Claim
Patent Images

1. A pulp, comprising:

  • at least 7% by weight hemicellulose;

    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/100 m.

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