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    Chemical Activation and Refining of Southern Pine Kraft Fibers
    4.
    发明申请
    Chemical Activation and Refining of Southern Pine Kraft Fibers 审中-公开
    南方松散硫酸盐纤维的化学活化和精制

    公开(公告)号：US20140000825A1

    公开(公告)日：2014-01-02

    申请号：US14017954

    申请日：2013-09-04

    Applicant: INTERNATIONAL PAPER COMPANY

    Inventor： ZHENG TAN ,  XUAN T. NGUYEN ,  KAREN MAURER

    IPC: D21C9/00

    CPC classification number: D21C9/007 ,  D21B1/16 ,  D21C3/006 ,  D21C3/02 ,  D21C9/002 ,  D21C9/004 ,  D21C9/1036 ,  D21C9/163 ,  Y10T428/298

    Abstract: A method for alteration of the morphology of cellulose fibers, particularly softwood fibers, by (a) subjecting the fibers to a metal ion-activated peroxide treatment carried out at a pH of between about 1 and about 9, preferably between 3 and 7, and (b) subjecting the treated fibers to a refining treatment thereby converts SW fibers toHW-like fibers in many respects. The metal ion-activated peroxide treatment has been noted to act on pulp cellulose and hemi-cellulose, causing oxidation and oxidative degradation of cellulose fibers. The chemical treatment of the pulp, taken alone, is not sufficient to attain the desired modification of the morphology of the fibers, however, subsequent refining or like mechanical treatment of the chemically-treated fibers to achieve a given degree of refinement of the fibers requires dramatically less refining energy to achieve a desired end point of refinement and to impart other desirable properties to the pulp. A pulp of modified SW fibers and a mixture of HW fibers and modified HW fibers are disclosed.

    Abstract translation: 通过（a）使纤维进行在约1至约9，优选3至7之间的pH下进行的金属离子活化的过氧化物处理，改变纤维素纤维，特别是软木纤维的形态的方法，以及 （b）经处理的纤维进行精制处理，从而在许多方面将SW纤维转化成HW样纤维。 已经注意到金属离子活化的过氧化物处理作用于纸浆纤维素和半纤维素，引起纤维素纤维的氧化和氧化降解。 单独使用纸浆的化学处理不足以达到对纤维形态的所需改性，然而，随后的精炼或类似机械处理化学处理的纤维以达到纤维的一定程度的细化需要 显着减少精炼能量以实现期望的精制终点并赋予纸浆其它所需特性。 公开了改性SW纤维的纸浆和HW纤维和改性的HW纤维的混合物。

    CHEMICAL ACTIVATION AND REFINING OF SOUTHERN PINE KRAFT FIBERS
    6.
    发明申请
    CHEMICAL ACTIVATION AND REFINING OF SOUTHERN PINE KRAFT FIBERS 审中-公开
    化学活化和精制南方松饼纤维

    公开(公告)号：US20160024713A1

    公开(公告)日：2016-01-28

    申请号：US14874797

    申请日：2015-10-05

    Applicant: INTERNATIONAL PAPER COMPANY

    Inventor： ZHENG TAN ,  XUAN T. NGUYEN ,  KAREN MAURER

    IPC: D21C9/00 ,  D21C3/02

    CPC classification number: D21C9/007 ,  D21B1/16 ,  D21C3/006 ,  D21C3/02 ,  D21C9/002 ,  D21C9/004 ,  D21C9/1036 ,  D21C9/163 ,  Y10T428/298

    Abstract: A method for alteration of the morphology of cellulose fibers, particularly softwood fibers, by (a) subjecting the fibers to a metal ion-activated peroxide treatment carried out at a pH of between about 1 and about 9, preferably between 3 and 7, and (b) subjecting Use treated fibers to a refining treatment thereby converts SW fibers to HW-like fibers in many respects. The metal ion-activated peroxide treatment has been noted to act on pulp cellulose and hemi-cellulose, causing oxidation and oxidative degradation of cellulose fibers. The chemical treatment of the pulp, taken alone, is not sufficient to attain the desired modification of the morphology of the fibers however, subsequent refining or like mechanical treatment of the chemically-treated fibers to achieve a given degree of refinement of the fibers requires dramatically less refining energy to achieve a desired end point of refinement and to impart other desirable properties to the pulp. A pulp of modified SW fibers and a mixture of HW fibers and modified HW fibers are disclosed.

    Abstract translation: 通过（a）使纤维进行在约1至约9，优选3至7之间的pH下进行的金属离子活化的过氧化物处理，改变纤维素纤维，特别是软木纤维的形态的方法，以及 （b）使用经处理的纤维进行精制处理，从而在许多方面将SW纤维转化成类似HW的纤维。 已经注意到金属离子活化的过氧化物处理作用于纸浆纤维素和半纤维素，引起纤维素纤维的氧化和氧化降解。 单独使用纸浆的化学处理不足以达到对纤维形态的所需改性，然而随后的精炼或类似的机械处理化学处理的纤维以达到纤维的一定程度的细化需要显着地 较少的精炼能量以实现期望的精制终点并赋予纸浆其它所需的性能。 公开了改性SW纤维的纸浆和HW纤维和改性的HW纤维的混合物。

    Modified Kraft Fibers
    9.
    发明申请
    Modified Kraft Fibers 审中-公开
    改性牛皮纸纤维

    公开(公告)号：US20130102984A1

    公开(公告)日：2013-04-25

    申请号：US13710511

    申请日：2012-12-11

    Applicant: International Paper Company

    Inventor： ZHENG TAN ,  GOPAL GOYAL ,  ALEXANDER A. KOUKOULAS

    IPC: D21C3/02 ,  A61F13/531

    CPC classification number: D21H21/32 ,  A61F13/531 ,  A61L15/28 ,  D21C1/00 ,  D21C1/06 ,  D21C3/00 ,  D21C3/02 ,  D21C9/10 ,  D21C11/0007 ,  D21H11/04 ,  D21H11/20 ,  D21H17/64 ,  D21H21/22

    Abstract: A method of producing a modified pulp for use in paper or paper web products, the method comprising treating wood chips in an extraction process to remove hemicellose to form treated wood chips; and subjecting said treated wood chips to chemical or semichemical pulping to form a modified Kraft pulp wherein the amount of hemicellulose contained in the modified Kraft pulp is from about 5 to about 10% by dry weight of the modified pulp.

    Abstract translation: 一种生产用于纸或纸幅产品的改性纸浆的方法，所述方法包括在萃取过程中处理木屑以除去半纤维素以形成经处理的木屑; 并对所述经处理的木屑进行化学或半化学制浆以形成改性牛皮纸浆，其中改性牛皮纸浆中所含的半纤维素的量为改性纸浆的约5至约10重量％。

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