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    STRETCHABLE ABSORBENT COMPOSITES HAVING HIGH PERMEABILITY
    4.
    发明公开
    STRETCHABLE ABSORBENT COMPOSITES HAVING HIGH PERMEABILITY 有权
    拉长的吸收复合材料具有高渗透性

    公开(公告)号：EP1694265A1

    公开(公告)日：2006-08-30

    申请号：EP04821124.7

    申请日：2004-04-16

    申请人： KIMBERLY-CLARK WORLDWIDE, INC.

    发明人： ZHANG, Xiaomin ,  QIN, Jian ,  JACKSON, David, Martin ,  JACOBSEN, Lisa, Marie

    IPC分类号： A61F13/53

    CPC分类号： A61F13/531 ,  A61F13/15203 ,  A61F2013/530481 ,  A61F2013/530708 ,  A61F2013/530788 ,  A61F2013/53791

    摘要： A stretchable absorbent composite having a Composite Permeability of about 10 Darcy or more, or about 15 Darcy or more, and Composite Stretchability of about 30% or more, or about 50% or more, or about 100% or more, and a method of making such a stretchable absorbent composite. The stretchable absorbent composite includes a superabsorbent material, an elastomeric material, and, optionally, pulp fibers. More particularly, the stretchable absorbent composite may include between about 30% and about 85% by weight superabsorbent material, between about 5% and about 25% by weight elastomeric material, and between about 10% and about 70% by weight pulp fibers. The stretchability and liquid handling abilities of the stretchable absorbent composite renders the stretchable absorbent composite suitable for incorporation into a variety of absorbent articles, including personal care products, health/medical absorbent articles, and household/industrial absorbent articles, for example.

    LAYERED ABSORBENT STRUCTURE WITH A ZONED BASIS WEIGHT AND A HETEROGENEOUS LAYER REGION
    7.
    发明公开
    LAYERED ABSORBENT STRUCTURE WITH A ZONED BASIS WEIGHT AND A HETEROGENEOUS LAYER REGION 审中-公开
    具有重量和不均匀层UNTERSCHIEDLIDCHEM表面积区的吸收多层结构

    公开(公告)号：EP1018981A2

    公开(公告)日：2000-07-19

    申请号：EP98957318.3

    申请日：1998-10-08

    申请人： KIMBERLY-CLARK WORLDWIDE, INC.

    发明人： EVERETT, Rob, David ,  BOLWERK, Thomas, Gerald ,  DODGE, Richard, Norris, II ,  GRUBE, Violet, May ,  LI, Yong ,  MELIUS, Shannon, Kathleen ,  RANGANATHAN, Sridhar ,  ZENKER, David, Louis ,  ZHANG, Xiaomin ,  GRYSKIEWICZ, Stanley, Michael ,  LITTLE, Sylvia, Bandy ,  MATTHEWS, Billie, Jean ,  MCDOWALL, Debra, Jean ,  SAWYER, Lawrence, Howell

    IPC分类号： A61F2/00

    CPC分类号： A61F13/15 ,  A61F13/49015 ,  A61F13/49466 ,  A61F13/535 ,  A61F13/5376 ,  A61F2013/530722

    摘要： A distinctive absorbent article includes an absorbent core having multiple absorbent layers, wherein the absorbent layers interact in such a manner which preferentially locates absorbed liquid in an appointed, high saturation wicking layer. The localization of the liquid within this wicking layer increases the potential of this layer to move liquid through capillary action due to the higher saturation level and increased amount of liquid available. The intake capability of the absorbent system is maintained or improved over current systems by keeping a second layer of the absorbent system at low saturation levels through as many insults of the product as possible, while providing optimum intake performance through appropriate control of the composite properties. The low saturation in this layer provides void volume for the incoming insult as well, as a high permeability, thus increasing the intake rate of the absorbent system as a whole, but the structure of the low saturation layer is also balanced to provide an appropriately high level of capillary tension to provide enough control of the liquid to stop leakage from occurring. This low saturation layer is used in addition to a surge material and provides intake functionality in addition to that provided by the surge material. In particular aspects of the invention, the body side layer of the absorbent core does not extend over the entire surface of the overall absorbent core, therefore is not used as the high saturation, wicking layer, but as the intake layer. This arrangement also allows the intake layer to be in direct contact with the incoming liquid, therefore allowing for more immediate access and improved intake function. In additional aspects, at least one primary layer region can have a non-uniform, selectively zoned basis weight distribution. Particular configurations of the at least one primary layer region can be constructed with a target area of such primary layer region having a basis weight which is less than a basis weight of another non-target portion of the primary layer region. Moreover, at least one primary layer region can have a heterogeneous structure. In particular constructions, the at least one primary layer region can include a plurality of two or more sublayers.

    STRETCHABLE ABSORBENT COMPOSITES HAVING HIGH PERMEABILITY
    8.
    发明授权
    STRETCHABLE ABSORBENT COMPOSITES HAVING HIGH PERMEABILITY 有权
    拉长的吸收复合材料具有高渗透性

    公开(公告)号：EP1694265B1

    公开(公告)日：2010-01-20

    申请号：EP04821124.7

    申请日：2004-04-16

    申请人： KIMBERLY-CLARK WORLDWIDE, INC.

    发明人： ZHANG, Xiaomin ,  QIN, Jian ,  JACKSON, David, Martin ,  JACOBSEN, Lisa, Marie

    IPC分类号： A61F13/53

    CPC分类号： A61F13/531 ,  A61F13/15203 ,  A61F2013/530481 ,  A61F2013/530708 ,  A61F2013/530788 ,  A61F2013/53791

    摘要： A stretchable absorbent composite having a Composite Permeability of about 10 Darcy or more, or about 15 Darcy or more, and Composite Stretchability of about 30% or more, or about 50% or more, or about 100% or more, and a method of making such a stretchable absorbent composite. The stretchable absorbent composite includes a superabsorbent material, an elastomeric material, and, optionally, pulp fibers. More particularly, the stretchable absorbent composite may include between about 30% and about 85% by weight superabsorbent material, between about 5% and about 25% by weight elastomeric material, and between about 10% and about 70% by weight pulp fibers. The stretchability and liquid handling abilities of the stretchable absorbent composite renders the stretchable absorbent composite suitable for incorporation into a variety of absorbent articles, including personal care products, health/medical absorbent articles, and household/industrial absorbent articles, for example.

    ABSORBENT MATERIALS AND ARTICLES
    10.
    发明公开
    ABSORBENT MATERIALS AND ARTICLES 有权
    吸收材料和物品

    公开(公告)号：EP1654014A1

    公开(公告)日：2006-05-10

    申请号：EP04801842.8

    申请日：2004-04-02

    申请人： KIMBERLY-CLARK WORLDWIDE, INC.

    发明人： QIN, Jian ,  ZHANG, Xiaomin ,  MILLER, Debra, Ann

    IPC分类号： A61L15/60

    CPC分类号： A61L15/60 ,  Y10S522/909

    摘要： An absorbent material formed at least in part of a cross-linked polymer. The absorbent material has a centrifuge retention capacity as determined by a Centrifuge Retention Capacity Test of at least about 20 g/g and a gel bed permeability under load as determined by a Gel Bed Permeability Under Load Test of at least about 200x10-9 cm2 or a free swell gel bed permeability as determined by a Free Swell Gel Bed Permeability Test of at least about 2,500x10-9 cm2. The cross-linked polymer may comprise either at least about 75 weight percent anionic polymer or at least about 75 weight percent cationic polymer. In one embodiment, the cross-linked polymer is surface treated with a water soluble non-cross-linked polymer having a potential for becoming charged opposite that of the cross-linked polymer.