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    Sawdust alkaline pulp having low average degree of polymerization values and method of producing the same
    2.
    发明授权
    Sawdust alkaline pulp having low average degree of polymerization values and method of producing the same 有权
    低平均聚合度值的锯屑碱性纸浆及其制造方法

    公开(公告)号：US06605350B1

    公开(公告)日：2003-08-12

    申请号：US09842274

    申请日：2001-04-24

    申请人： James E. Sealey, II ,  W. Harvey Persinger, Jr. ,  Mengkui Luo ,  Brian Wester

    发明人： James E. Sealey, II ,  W. Harvey Persinger, Jr. ,  Mengkui Luo ,  Brian Wester

    IPC分类号： B32B2300

    CPC分类号： D01D5/098 ,  C08B1/00 ,  D01D5/18 ,  D01F2/00 ,  D21C3/02 ,  D21C9/004 ,  D21C9/10 ,  Y10T428/29 ,  Y10T428/2913 ,  Y10T428/2933 ,  Y10T428/2965

    摘要： The present invention provides compositions, useful for making lyocell fibers, having a high hemicellulose content, a low copper number and including cellulose that has a low average degree of polymerization (D.P.), wherein greater than 4% of pulp fibers have a length-weighted fiber length of less than 2.0 mm. Further, the present invention provides processes for making compositions, useful for making lyocell fibers, having a high hemicellulose content, a low copper number and including cellulose that has a low average degree of polymerization and short fibers. The present invention also provides lyocell fibers and molded bodies made from the compositions. An advantage of the compositions are their quick dissolving nature.

    摘要翻译： 本发明提供了可用于制备具有高半纤维素含量，低铜值并且包括具有低平均聚合度（DP）的纤维素的莱赛尔纤维的组合物，其中大于4％的纸浆纤维具有长度加权 纤维长度小于2.0毫米。 此外，本发明提供了制备可用于制备具有高半纤维素含量，低铜值并且包括具有低平均聚合度和短纤维的纤维素的莱赛尔纤维的组合物的方法。 本发明还提供了由这些组合物制成的莱赛尔纤维和成型体。 组合物的优点是它们的快速溶解性质。

    Use of thinnings and other low specific gravity wood for lyocell products method
    7.
    发明授权
    Use of thinnings and other low specific gravity wood for lyocell products method 有权
    使用稀释剂和其他低比重木材作为lyocell产品的方法

    公开(公告)号：US06685856B2

    公开(公告)日：2004-02-03

    申请号：US10336320

    申请日：2003-01-02

    申请人： James E. Sealey, II ,  W. Harvey Persinger, Jr. ,  Kent Robarge ,  Mengkui Luo

    发明人： James E. Sealey, II ,  W. Harvey Persinger, Jr. ,  Kent Robarge ,  Mengkui Luo

    IPC分类号： B29B900

    CPC分类号： C08B1/00 ,  D01D5/098 ,  D01D5/18 ,  D01F2/00 ,  D21C3/02 ,  D21C9/004 ,  D21C9/10 ,  Y10T428/2933

    摘要： The use of low specific gravity wood from thinning operations, for example, will produce a lower brownstock viscosity for a given kappa number target. A differential of 200-cP falling ball pulp viscosity has been detected from Kraft cooks of low and high specific gravity wood. Using low specific gravity wood can reduce the bleach stage temperature and the chemical dose needed in the bleach plant to produce lyocell pulp specifications. Low specific gravity wood also increases the ability to reduce pulp viscosity to very low levels without increasing the copper number of the pulp or the concentration of carbonyl in the pulp above acceptable levels.

    摘要翻译： 例如，对于给定的卡贝数目标，使用来自变薄操作的低比重木材将产生较低的棕色粘度。 从低比重木材和高比重木材的牛皮纸煮熟中检测到200-cP落球纸粘度的差异。 使用低比重木材可以减少漂白阶段的温度和漂白工厂所需的化学剂量来生产莱赛克纸浆规格。 低比重木材还增加了将纸浆粘度降低至非常低水平而不增加纸浆的铜数或纸浆中羰基浓度高于可接受水平的能力。

    Use of thinnings and other low specific gravity wood for lyocell pulps method
    10.
    发明授权
    Use of thinnings and other low specific gravity wood for lyocell pulps method 有权
    使用薄膜和其他低比重木材做lyocell纸浆法

    公开(公告)号：US06797113B2

    公开(公告)日：2004-09-28

    申请号：US10336365

    申请日：2003-01-02

    申请人： James E. Sealey, II ,  W. Harvey Persinger, Jr. ,  Kent Robarge ,  Mengkui Luo

    发明人： James E. Sealey, II ,  W. Harvey Persinger, Jr. ,  Kent Robarge ,  Mengkui Luo

    IPC分类号： D21C302

    CPC分类号： C08B1/00 ,  D01D5/098 ,  D01D5/18 ,  D01F2/00 ,  D21C3/02 ,  D21C9/004 ,  D21C9/10 ,  Y10T428/2904 ,  Y10T428/2965

    摘要： The use of low specific gravity wood from thinning operations, for example, will produce a lower brownstock viscosity for a given kappa number target. A differential of 200-cP falling ball pulp viscosity has been detected from Kraft cooks of low and high specific gravity wood. Using low specific gravity wood can reduce the bleach stage temperature and the chemical dose needed in the bleach plant to produce lyocell pulp specifications. Low specific gravity wood also increases the ability to reduce pulp viscosity to very low levels without increasing the copper number of the pulp or the concentration of carbonyl in the pulp above acceptable levels.

    摘要翻译： 例如，对于给定的卡贝数目标，使用来自变薄操作的低比重木材将产生较低的棕色粘度。 从低比重木材和高比重木材的牛皮纸煮熟中检测到200-cP落球纸粘度的差异。 使用低比重木材可以减少漂白阶段的温度和漂白工厂所需的化学剂量来生产莱赛克纸浆规格。 低比重木材还增加了将纸浆粘度降低至非常低水平而不增加纸浆的铜数或纸浆中羰基浓度高于可接受水平的能力。