公开(公告)号：US06479061B2

公开(公告)日：2002-11-12

申请号：US10008860

申请日：2001-10-26

申请人： Monica C. Fontenot ,  Terry Pearce Ford ,  James Jay Tanner ,  Jonathan Robert Owen ,  John Joseph Lassig ,  Barbara Jean Burns ,  Alan Grady Shuman ,  Victor Michael Gentile

发明人： Monica C. Fontenot ,  Terry Pearce Ford ,  James Jay Tanner ,  Jonathan Robert Owen ,  John Joseph Lassig ,  Barbara Jean Burns ,  Alan Grady Shuman ,  Victor Michael Gentile

IPC分类号： A01N2534

CPC分类号： B32B5/26 ,  B32B5/08 ,  B32B2262/0253 ,  B32B2262/0276 ,  B32B2262/067 ,  B32B2439/70 ,  B32B2555/00 ,  D04H1/44 ,  Y10T428/249921 ,  Y10T428/24994

摘要： The present invention pertains to an airlaid composite which is made of pulp fibers, at least about 2% by weight bicomponent fiber, and moisture. This airlaid composite is unique in that a uniformly even composite is made which upon calendering, becomes a thin structure which maintains significant absorbency when saturated. The bicomponent fibers of the present invention include a first polymer component and a second polymer component, and the first polymer component melts at a temperature lower than the melting temperature of the second polymer component. Mixing of the pulp fibers with the bicomponent fibers is done in such a way that the fibers are evenly dispersed in the airlaid composite. This airlaid composite is then heated such that at least a portion of the first polymer component of the bicomponent fiber is melted, which bond the bicomponent fibers to many of the pulp and bicomponent fibers when cooled. Moisture is added on to the composite to further facilitate bonding when the composite is subsequently subjected to calendering. Optionally, a sheet layer may be attached to the airlaid composite to form a multi-layered absorbent structure. Such composites and absorbent structures are characterized by a drape stiffness of at least about 5 cm, an absorbency of at least about 12 g/g, and a dry tensile strength of at least about 1300.

公开(公告)号：US06368609B1

公开(公告)日：2002-04-09

申请号：US09290713

申请日：1999-04-12

申请人： Monica C. Fontenot ,  Terry Pearce Ford ,  James Jay Tanner ,  Jonathan Robert Owen ,  John Joseph Lassig ,  Barbara Jean Burns ,  Alan Grady Shuman ,  Victor Michael Gentile

发明人： Monica C. Fontenot ,  Terry Pearce Ford ,  James Jay Tanner ,  Jonathan Robert Owen ,  John Joseph Lassig ,  Barbara Jean Burns ,  Alan Grady Shuman ,  Victor Michael Gentile

IPC分类号： A01N2534

CPC分类号： D04H1/44 ,  B32B5/08 ,  Y10T428/249921 ,  Y10T428/24994

摘要： The present invention pertains to an airlaid composite which is made of pulp fibers, at least about 2% by weight bicomponent fiber, and moisture. This airlaid composite is unique in that a uniformly even composite is made which upon calendering, becomes a thin structure which maintains significant absorbency when saturated. The bicomponent fibers of the present invention include a first polymer component and a second polymer component, and the first polymer component melts at a temperature lower than the melting temperature of the second polymer component. Mixing of the pulp fibers with the bicomponent fibers is done in such a way that the fibers are evenly dispersed in the airlaid composite. This airlaid composite is then heated such that at least a portion of the first polymer component of the bicomponent fiber is melted, which bond the bicomponent fibers to many of the pulp and bicomponent fibers when cooled. Moisture is added on to the composite to further facilitate bonding when the composite is subsequently subjected to calendering. Optionally, a sheet layer may be attached to the airlaid composite to form a multi-layered absorbent structure. Such composites and absorbent structures are characterized by a drape stiffness of at least about 5 cm, an absorbency of at least about 12 g/g, and a dry tensile strength of at least about 1300.

公开(公告)号：US06379498B1

公开(公告)日：2002-04-30

申请号：US09514740

申请日：2000-02-28

申请人： Barbara Jean Burns ,  Louise Cynthia Ellis Coe ,  Mike Thomas Goulet ,  Michael John Rekoske

发明人： Barbara Jean Burns ,  Louise Cynthia Ellis Coe ,  Mike Thomas Goulet ,  Michael John Rekoske

IPC分类号： D21H2300

CPC分类号： D21H17/70

摘要： Pulp fibers can be treated with adsorbable chemicals with a minimal amount of unadsorbed chemical additives present later in the papermaking process water. A method for adding an adsorbable chemical to pulp includes mixing pulp fibers that have never been dried with water to form a fiber slurry. An adsorbable chemical additive is added to the fiber slurry. The fiber slurry having the adsorbable chemical additive is transported to a web-forming apparatus where a wet fibrous web is formed. The wet fibrous web may be dried to a predetermined consistency thereby forming a dried fibrous web having from between about 10 to about 100 percent retention of the adsorbable chemical additive. The dried fibrous web is transported to a paper machine where the dried fibrous web is mixed with water to form a wet slurry. In other embodiments, the fiber slurry can be processed to provide crumb fibers or wet lap fibers. The wet slurry containing the fibers having the adsorbable chemical additive adhered thereto is transported through the paper machine to form a finished paper or tissue product having enhanced quality due to the retention of the adsorbable chemical additive on the pulp fibers.

摘要翻译： 纸浆纤维可以用可吸附的化学品处理，在造纸工艺水中稍后使用少量未吸附的化学添加剂。 将可吸附化学品添加到纸浆中的方法包括将从未被干燥的纸浆纤维与水混合以形成纤维浆料。 向纤维浆料中加入可吸附的化学添加剂。 具有可吸附化学添加剂的纤维浆料被输送到形成湿纤维网的幅材成形设备。 可以将湿纤维网干燥至预定的稠度，从而形成具有约10至约100％可吸附化学添加剂保留率的干燥纤维网。 将干燥的纤维网输送到造纸机，其中干燥的纤维网与水混合以形成湿浆料。 在其它实施方案中，纤维浆料可以被加工以提供碎屑纤维或湿的沥青纤维。 含有粘附有可吸附化学添加剂的纤维的湿浆料通过造纸机输送，由于可吸附化学添加剂在纸浆纤维上的保留而形成质量提高的成品纸或纸制品。

公开(公告)号：US06627789B1

公开(公告)日：2003-09-30

申请号：US09654442

申请日：2000-09-01

申请人： Thomas William VanDenBogart ,  Amy Michele Achter ,  Bruce Wilfuhr Achter ,  Barbara Jean Burns ,  Michael Allen Daley ,  Peter Robert Elliker ,  David Martin Jackson ,  Nancy Donaldson Kollin ,  Gregory Marc Lefkowitz ,  Sylvia Bandy Little ,  Tamara Lee Mace ,  David Michael Matela ,  Cynthia Marie Phillips ,  David Charles Potts ,  Lawrence Howell Sawyer ,  Michael William Veith ,  Kevin Wilson Wood ,  Dmitry Yavich

发明人： Thomas William VanDenBogart ,  Amy Michele Achter ,  Bruce Wilfuhr Achter ,  Barbara Jean Burns ,  Michael Allen Daley ,  Peter Robert Elliker ,  David Martin Jackson ,  Nancy Donaldson Kollin ,  Gregory Marc Lefkowitz ,  Sylvia Bandy Little ,  Tamara Lee Mace ,  David Michael Matela ,  Cynthia Marie Phillips ,  David Charles Potts ,  Lawrence Howell Sawyer ,  Michael William Veith ,  Kevin Wilson Wood ,  Dmitry Yavich

IPC分类号： A61F1315

CPC分类号： A61F13/5323 ,  A61F13/15203 ,  A61F13/53713 ,  A61F13/53717 ,  A61F2013/530481

摘要： There is provided an intake/retention/transfer material for personal care products like feminine hygiene products, which is a heterogeneous composite containing between 5 and 25 weight percent of a superabsorbent or gelling material and having a density less than 0.17 g/cc. A more particular embodiment contains less than 20 weight percent and a still more particular embodiment contains 15 weight percent or less of a superabsorbent or gelling material. Also provided are absorbent articles which contain the class of intake/transfer materials mentioned above along with additional absorbent layers such that the absorption of a menses simulant provides fluid partitioning of less than 72% of fluid in the intake/transfer/retention composite. Additionally said composite should have retention capacity values greater than 2.7 g/g.

摘要翻译： 提供了用于诸如女性卫生产品的个人护理产品的吸入/保留/转移材料，其是含有5至25重量％的超吸收剂或胶凝材料并且密度小于0.17g / cc的非均相复合材料。 更具体的实施方案包含小于20重量％，更特定的实施方案包含15重量％或更少的超吸收剂或胶凝材料。 还提供了吸收制品，其含有上述进料/转移材料类别以及额外的吸收层，使得月经模拟物的吸收提供在进/转/保留复合材料中少于72％的流体的流体分配。 此外，所述复合材料应具有大于2.7g / g的保留容量值。