公开(公告)号：US20060144535A1

公开(公告)日：2006-07-06

申请号：US11339833

申请日：2006-01-25

Applicant: Xuan Nguyen ,  Zheng Tan

Inventor： Xuan Nguyen ,  Zheng Tan

IPC: B32B5/20 ,  A61K9/24 ,  D21H23/00

CPC classification number: D21C9/004 ,  D21B1/16 ,  D21H11/18 ,  D21H19/34 ,  D21H23/48 ,  D21H23/50

Abstract: The present invention relates to the production of texturized microcrystalline cellulose from raw pulp material. This texturized microcrystalline cellulose can then be used for surface treatment of paper or paper board. Additionally, the texturized microcrystalline cellulose may be used as a starting material for production of paper or paper board.

公开(公告)号：US20050011622A1

公开(公告)日：2005-01-20

申请号：US10485916

申请日：2003-07-16

Applicant: Marc Sabourin

Inventor： Marc Sabourin

IPC: D21B1/02 ,  D21B1/04 ,  D21B1/12 ,  D21B1/14 ,  D21B1/16 ,  D21D1/30

CPC classification number: D21B1/02 ,  D21B1/021 ,  D21B1/14 ,  D21B1/16 ,  D21D1/30

Abstract: A chip pretreatment process which comprises conveying the feed material through a compression screw device having an atmosphere of saturated steam at a pressure above about 5 psig, decompressing and discharging the compressed material from the screw device into a decompression region, feeding the decompressed material from the decompression region into a fiberizing device, such as a low intensity disc refiner, where at least about 30 percent of the fiber bundles and fibers are axially separated, without substantial fibrillation of the fibers. In a more specific form the invention is directed to a process for producing mechanical pulp, including the steps of fiberizing wood chip feed material in a low intensity disc refiner until at least about 30 percent of the fibers are axially separated with less than about 5 percent fibrillation, and subsequently refining the fiberized material in a high intensity disc refiner until at least about 90 percent of the fibers are fibrillated. In another form the invention combines chip fiberizing with chemical treatments, for improving the pulp property versus energy relationships.

Abstract translation: 一种芯片预处理方法，包括：通过具有高于约5psig压力的饱和蒸汽气氛的压缩螺旋装置输送进料，将压缩的材料从螺杆装置减压并排出到减压区域，将减压材料从 减压区域变成纤维化装置，例如低强度圆盘磨浆机，其中至少约30％的纤维束和纤维被轴向分离，而纤维没有明显的纤维化。 在更具体的形式中，本发明涉及一种用于生产机械纸浆的方法，包括以下步骤：在低强度圆盘磨浆机中将木屑进料材料纤维化，直到至少约30％的纤维以小于约5％轴向分离 纤维化，随后在高强度的圆盘磨浆机中精炼纤维化材料，直到至少约90％的纤维被原纤化。 在另一种形式中，本发明将芯片纤维化与化学处理相结合，用于改善纸浆性能与能量关系。

公开(公告)号：US20040200586A1

公开(公告)日：2004-10-14

申请号：US10483648

申请日：2004-01-13

Inventor： Martin Herkel

IPC: D21B001/16 ,  D21C009/16

CPC classification number: D21B1/16 ,  D21C9/163

Abstract: A process for applying chemicals, such as an alkaline peroxide pretreatment (1) to lignocellulosic material before chemical refining and at the primary refiner (3). The preferred embodiment comprises (i) preconditioning at temperatures below 95null C., especially below 80null C., (ii) limiting the time and/or temperature in the refiner, (iii) reaction quench to maintain temperatures below 80null C., and (iv) subsequent high consistency bleaching (4).

Abstract translation: 在化学精炼之前和在初级精炼机（3）的情况下，将化学品（例如碱性过氧化物预处理（1））施用于木质纤维素材料的方法。 优选的实施方案包括（i）在低于95℃，特别是低于80℃的温度下进行预处理，（ii）限制精炼机中的时间和/或温度，（iii）将温度维持在低于80℃的反应淬火。 ，（iv）随后的高浓度漂白（4）。

公开(公告)号：US20030116289A1

公开(公告)日：2003-06-26

申请号：US10303256

申请日：2002-11-25

Applicant: Regents of the University of Minnesota

Inventor： Brock Lundberg ,  Lin Gu ,  Rongsheng Roger Ruan ,  Ling Chen ,  Paul Bradley Addis ,  Jack Edgar Johnson

IPC: D21B001/16 ,  D21C001/06 ,  D21C009/02 ,  D21C003/02 ,  D21C009/16

CPC classification number: B01D39/1692 ,  C08L1/02 ,  D21B1/16 ,  D21C9/001 ,  Y10T428/1324

Abstract: The present invention comprises an improved method for refining cellulose that produces a highly refined cellulosic material. The method comprises soaking raw material in a mild NaOH using reduced temperatures and pressures, and refining the material with a plate refiner so that a waste water stream is reduced in volume and has a pH within a range of 8 to 9. The present invention also comprises a HRC gel having a lignin concentration of at least about one (1)% by weight, and a water retention capacity of about 25 to at least about 56 g H2O/g dry HRC.

Abstract translation: 本发明包括用于精制纤维素的改进方法，其生产高度精制的纤维素材料。 该方法包括使用降低的温度和压力将原料浸泡在温和的NaOH中，并用平板磨浆机精炼该材料，使得废水流体积减小并且pH在8至9的范围内。本发明还 包括具有至少约1重量％的木质素浓度和约25至至少约56g H 2 O / g干燥HRC的保水能力的HRC凝胶。

公开(公告)号：US06506435B1

公开(公告)日：2003-01-14

申请号：US09432945

申请日：1999-11-03

Applicant: Brock Lundberg ,  Lin Gu ,  Rongsheng Roger Ruan ,  Ling Chen ,  Paul Bradley Addis ,  Jack Edgar Johnson

Inventor： Brock Lundberg ,  Lin Gu ,  Rongsheng Roger Ruan ,  Ling Chen ,  Paul Bradley Addis ,  Jack Edgar Johnson

IPC: A23L105

CPC classification number: B01D39/1692 ,  C08L1/02 ,  D21B1/16 ,  D21C9/001 ,  Y10T428/1324

Abstract: An improved method for refining cellulose that produces a highly refined cellulosic material comprising soaking raw material in a mild NaOH using reduced temperatures and pressures, and refining the material with a plate refiner so that a waste water stream is reduced in volume and has a pH within a range of 8 to 9. Also, a HRC gel having a lignin concentration of at least about one (1)% by weight, and a water retention capacity of about 25 to at least about 56 g H2O/g dry HRC is provided.

Abstract translation: 本发明包括用于精制纤维素的改进方法，其生产高度精制的纤维素材料。该方法包括使用降低的温度和压力将原料浸入温和的NaOH中，并用平板磨浆机精炼该材料，使废水流为 体积减小，pH值在8〜9的范围内。 本发明还包括具有至少约1重量％的木质素浓度和约25至至少约56g H 2 O / g的干燥HRC的保水能力的HRC凝胶。

公开(公告)号：US5203966A

公开(公告)日：1993-04-20

申请号：US834860

申请日：1992-02-13

Applicant: Willard E. Carlson ,  Ivar H. Steckel

Inventor： Willard E. Carlson ,  Ivar H. Steckel

IPC: D21B1/02 ,  D21B1/16 ,  D21B1/32

CPC classification number: D21B1/021 ,  D21B1/16 ,  D21B1/32 ,  Y02W30/646 ,  Y10S162/10

Abstract: The invention provides an improvement in the quality and quantity of cellulosic fibers recovered in recycling wastepaper contained in waste material packaged in compressed bale form by sufficiently wetting the baled waste material with a liquid that wastepaper cellulosic fibers will soften and swell prior to the waste material being subjected to the recycling pulping operation. A cellulosic fiber softening and swell-inducing liquid is injected at high velocities into the interior of each unbroken bale by bringing a jet establishing nozzle assembly connected to a high pressure source of the liquid into close adjacency with one or more exterior surfaces of the bale and discharging liquid from the nozzle assembly into the baled waste material for a predetermined time sufficient to wet the waste material, after which time the material in the wetted bale is allowed to sorb the fluid for a period as will result in cellulosic fibers in the waste material softening and swelling a substantial degree before the waste material is introduced into the recycling pulper. For some types of waste material bales superior results are produced by varying the injection velocities during intervals of the predetermined time of liquid injection.

Abstract translation: 本发明通过用废液对废物进行充分润湿，使废纸纤维素纤维在软化和膨胀之前被软化和膨胀，从而提高了包装在压缩捆包形式的废料中所包含的回收废纸中回收的纤维素纤维的质量和数量。 进行再循环制浆操作。 通过将连接到液体的高压源的射流建立喷嘴组件与包装的一个或多个外表面紧密邻接，将高纤维素纤维软化和溶胀诱导液体以高速注入到每个未断裂的包的内部，以及 将喷嘴组件的液体从喷嘴组件中排出到预定的时间以足以润湿废料的时间，此后允许润湿的捆包中的材料吸收流体一段时间，这将导致废料中的纤维素纤维 在将废物引入回收碎浆机之前软化和膨胀显着程度。 对于某些类型的废物料包，通过在预定液体注入时间间隔内改变喷射速度来产生优异的结果。

公开(公告)号：US5129987A

公开(公告)日：1992-07-14

申请号：US506576

申请日：1990-04-09

Applicant: Thomas Joachimides ,  Stephen H. Levis ,  Bert A. Edstrom ,  Hans B. S. Moldenius

Inventor： Thomas Joachimides ,  Stephen H. Levis ,  Bert A. Edstrom ,  Hans B. S. Moldenius

IPC: D21B1/16 ,  D21C9/10

CPC classification number: D21C9/1084 ,  D21B1/16

Abstract: A paper pulp refining and bleaching process wherein the pulp is treated in one or more refiners with a sodium hydrosulfite bleach liquor in the presence of a strong alkali such as NaOH, whereby the bleaching solution has an alkaline pH, preferably 10 to 12, and the pulp is discharged from the refiner at a pH of from about 5 to 6. The bleaching produces a brightness gain of at least 8 to 13 ISO points in the refiners. The process is preferably carried out by passing the pulp successively through a primary refiner at elevated pressure, a secondary refiner at atmospheric pressure and a bleaching tower, an alkaline hydrosulfite solution being fed to each.

公开(公告)号：US5002635A

公开(公告)日：1991-03-26

申请号：US367907

申请日：1989-06-19

Applicant: Victor M. Gentile, Jr. ,  Harry D. Wilder

Inventor： Victor M. Gentile, Jr. ,  Harry D. Wilder

IPC: D21B1/02 ,  D21B1/16

CPC classification number: D21B1/16 ,  D21B1/021

Abstract: A method for producing a novel pulp, primarily wood pulp, from chips using pre-treatment with stabilizers and alkaline peroxide prior to mechanical fiberization (refining) to increase the brightness of the resulting fibers and the papermaking strength achievable with the fibers. The novel aspect of the pretreatment prior to refining is that it reuslts in the "in situ" formation within the chips of a stabilizing flock or sol.

Abstract translation: 在机械纤维化（精制）之前，用稳定剂和碱性过氧化物预处理从芯片生产新型纸浆，主要是木浆的方法，以增加所得纤维的亮度和可用纤维实现的造纸强度。 在精炼之前的预处理的新颖方面是它在稳定的羊群或溶胶的碎片内的“原位”形成中重新产生。

公开(公告)号：US4900399A

公开(公告)日：1990-02-13

申请号：US196796

申请日：1988-05-16

Applicant: Goran Bengtsson ,  Rune Simonson ,  Roland Agnemo

Inventor： Goran Bengtsson ,  Rune Simonson ,  Roland Agnemo

IPC: D21B1/02 ,  D21B1/14 ,  D21B1/16 ,  D21C3/22

CPC classification number: D21B1/021 ,  D21B1/14 ,  D21B1/16

Abstract: Chemimechanical pulp is produced from lignocellulosic material in a process in which the material is impregnated in two stages. The material is treated in the first stage with alkaline and, subsequent to passing an intermediate draining and reaction step, in the second stage with a solution that contains peroxide. The quantities of alkali and peroxide charged are fully optional and are independent of one another. The material is then optionally subjected to a further drainage and reaction step, and thereafter pre-heated at a temperature of between 50.degree. C. and 100.degree. C., whereafter the material is refined in one or two stages.The optimal brightness of the processed pulp for a given peroxide consumption is achieved by a balanced division of the peroxide charge between chip impregnation and bleaching.

Abstract translation: 在木材纤维素材料的两个阶段浸渍材料的过程中生产化学机械纸浆。 该材料在第一阶段用碱性处理，并且在通过中间排水和反应步骤的第二阶段中用含有过氧化物的溶液处理。 加入的碱和过氧化物的量是完全可选的，彼此独立。 然后将材料任选地进行进一步的排水和反应步骤，然后在50℃至100℃的温度下预热，之后将材料在一个或两个阶段中精制。 对于给定的过氧化物消耗，加工纸浆的最佳亮度通过在芯片浸渍和漂白之间的过氧化物电荷的平衡分配来实现。

公开(公告)号：US4789429A

公开(公告)日：1988-12-06

申请号：US78180

申请日：1987-05-28

Applicant: Michael Jackson ,  Knut O. Danielsson ,  Bo G. S. Falk

Inventor： Michael Jackson ,  Knut O. Danielsson ,  Bo G. S. Falk

IPC: D21B1/16 ,  D21C3/22 ,  D21D1/30

CPC classification number: D21B1/16

Abstract: A method for producing mechanical pulps which are useful for producing coated light weight paper, magazine paper and the like, is disclosed, which includes preheating lignocellulose-containing material in the presence of impregnation chemicals, refining the preheated lignocellulose-containing material utiilizing a pair of counter-rotating refining discs under pressure, bleaching the thus produced partially refined lignocellulose-containing material, and refining the bleached material in a second refining step utilizing a pair of refining discs, one of which is stationary and the other which is rotating under pressure.

Abstract translation: PCT No.PCT / SE86 / 00454 Sec。 371日期：1987年5月28日 102（e）日期1987年5月28日PCT提交1986年10月7日PCT公布。 出版物WO87 / 0302200 日本1987年5月21日公开了一种生产机械纸浆的方法，其用于生产涂布的轻质纸，杂志纸等，其包括在浸渍化学品存在下预热含木素纤维素的材料，将预热的木质纤维素 - 在压力下使一对反向旋转精炼圆盘的材料漂白，漂白由此制得的部分精制的含木素纤维素的材料，并在第二精炼步骤中利用一对精炼圆盘精炼漂白材料，其中一个精炼圆盘是静止的，另一个是固定的 它在压力下旋转。