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    ABSORBENT STRUCTURE WITH FLUID-IMPERMEABLE PATCH
    1.
    发明申请
    ABSORBENT STRUCTURE WITH FLUID-IMPERMEABLE PATCH 审中-公开
    吸收结构与流体不可控制

    公开(公告)号：WO9612459B1

    公开(公告)日：2001-04-12

    申请号：PCT/US9513565

    申请日：1995-10-11

    Applicant: DOW CHEMICAL CO

    Inventor： KAR KISHORE K ,  THOMAS ROBERT J ,  STAPLES THOMAS L

    IPC: A61F13/15 ,  G01R33/44

    CPC classification number: A61F13/51305 ,  A61F13/53704 ,  A61F13/53717 ,  A61F13/5376 ,  A61F2013/15365

    Abstract: This invention relates to an absorbent structure, preferably containing superabsorbent polymer in an absorbent layer, and in particular, to a structure with a centrally located fluid-impermeable patch which redirects an insulting fluid around it in a manner to increase the overall containment efficiency of the structure. The absorbent structure of this invention is suitable for use in various absorbent articles and absorbent devices, such as, for example, disposable diapers, sanitary napkins, incontinent devices and garments, and training garments. The invention also relates to methods to determine the location of moisture within an absorbent structure and to study fluid flow and absorption of aqueous fluid by absorbent structures in real time.

    Abstract translation: 本发明涉及一种吸收结构，优选在吸收层中含有超吸收性聚合物，特别涉及一种具有中心定位的不透液体贴片的结构，该贴片将污染流体以其附近的方式重新定位，以提高整个容纳效率 结构体。 本发明的吸收结构适用于各种吸收制品和吸收装置，例如一次性尿布，卫生巾，失禁装置和服装，以及训练服装。 本发明还涉及确定吸收结构内的水分位置并实时研究吸收结构的流体流动和吸收水性流体的方法。

    ABSORBENT STRUCTURE WITH FLUID-IMPERMEABLE PATCH ABSORBENT STRUCTURE WITH FLUID-IMPERMEABLE PATCH
    2.
    发明申请
    ABSORBENT STRUCTURE WITH FLUID-IMPERMEABLE PATCH ABSORBENT STRUCTURE WITH FLUID-IMPERMEABLE PATCH 审中-公开
    具有流体不可调节的吸附结构的吸收结构

    公开(公告)号：WO9612459A3

    公开(公告)日：1996-08-15

    申请号：PCT/US9513565

    申请日：1995-10-11

    Applicant: DOW CHEMICAL CO

    Inventor： KAR KISHORE K ,  THOMAS ROBERT J ,  STAPLES THOMAS L

    IPC: A61F13/15 ,  G01R33/44

    CPC classification number: A61F13/51305 ,  A61F13/53704 ,  A61F13/53717 ,  A61F13/5376 ,  A61F2013/15365

    Abstract: This invention relates to an absorbent structure, preferably containing superabsorbent polymer in an absorbent layer, and in particular, to a structure with a centrally located fluid-impermeable patch which redirects an insulting fluid around it in a manner to increase the overall containment efficiency of the structure. The absorbent structure of this invention is suitable for use in various absorbent articles and absorbent devices, such as, for example, disposable diapers, sanitary napkins, incontinent devices and garments, and training garments. The invention also relates to methods to determine the location of moisture within an absorbent structure and to study fluid flow and absorption of aqueous fluid by absorbent structures in real time.

    ABSORBENT, EXTRUDED THERMOPLASTIC FOAMS
    3.
    发明专利
    ABSORBENT, EXTRUDED THERMOPLASTIC FOAMS 未知

    公开(公告)号：CA2289841A1

    公开(公告)日：1998-12-17

    申请号：CA2289841

    申请日：1998-06-11

    Applicant: DOW CHEMICAL CO

    Inventor： MCCANN GORDON D ,  STAPLES THOMAS L ,  MORK STEVEN W ,  STOBBY WILLIAM G ,  ROSE GENE D ,  BLAND DAVID G

    IPC: A61F13/53 ,  A61F13/49 ,  A61L15/42 ,  B29C44/56 ,  B29C47/78 ,  B65D81/26 ,  B65D85/50 ,  C08J9/36 ,  A61L15/00

    Abstract: Disclosed is an absorbent, extruded, open cell thermoplastic foam. The foam has an open cell content of about 50 percent or more and an average cell size of up to about 1.5 millimeters. The foam is capable of absorbing a liquid at about 50 percent or more of its theoretical volume capacity when absorbing a liquid. The foam preferably has an average equivalent pore size of about 5 micrometers or more. The foam preferably has a structure substantially of cell walls and cell struts. Further disclosed is a method for absorbing a liquid employing the foam by elongation of the extrudate of the extrusion die. Further disclosed is a method of enhancing absorbency of an open cell foam by applying a surfactant to an exposed surface of the foam such that it remains at the surface and does not infiltrate a substantial distance into the foam. Further disclosed is a meat tray and a diaper containing the foam.

    4.
    发明专利
    未知

    公开(公告)号：ID17901A

    公开(公告)日：1998-02-05

    申请号：ID970460

    申请日：1997-02-17

    Applicant: DOW CHEMICAL CO

    Inventor： STAPLES THOMAS L ,  DEVRIEZE JERRY D

    IPC: C08J3/12 ,  C08L101/14

    Abstract: The subject invention provides water-swellable polymer compositions having reduced dusting tendencies, i.e., reduced amounts of unassociated dust having a maximum diameter less than or equal to 10 microns and/or the tendency to generate reduced amounts of unassociated dust having a maximum diameter less than or equal to 10 microns upon attrition and a process for preparing such compositions. Hydrophobic dedusting agents are used to achieve the above while substantially maintaining or increasing the surface tension of an aqueous fluid in equilibrium with the polymer and air.

    ABSORBENT, EXTRUDED THERMOPLASTIC FOAMS
    7.
    发明专利
    ABSORBENT, EXTRUDED THERMOPLASTIC FOAMS 未知

    公开(公告)号：CA2289841C

    公开(公告)日：2006-08-08

    申请号：CA2289841

    申请日：1998-06-11

    Applicant: DOW CHEMICAL CO

    Inventor： MORK STEVEN W ,  ROSE GENE D ,  STAPLES THOMAS L ,  STOBBY WILLIAM G ,  BLAND DAVID G ,  MCCANN GORDON D

    IPC: A61F13/53 ,  A61L15/00 ,  A61F13/49 ,  A61L15/42 ,  B29C44/56 ,  B29C47/78 ,  B65D81/26 ,  B65D85/50 ,  C08J9/36

    Abstract: Disclosed is an absorbent, extruded, open cell thermoplastic foam. The foam has an open cell content of about 50 percent or more and an average cell size of up to about 1.5 millimeters. The foam is capable of absorbing a liquid at about 50 percent or more of its theoretical volume capacity when absorbing a liquid. The foam preferably has an average equivalent pore size of about 5 micrometers or more. The foam preferably has a structure substantially of cell walls and cell struts. Further disclosed is a method for absorbing a liquid employing the foam by elongation of the extrudate of the extrusion die. Further disclosed is a method of enhancing absorbency of an open cell foam by applying a surfactant to an exposed surface of the foam such that it remains at the surface and does not infiltrate a substantial distance into the foam. Further disclosed is a meat tray and a diaper containing the foam.

    MATERIAL FOR ABSORBING AQUEOUS FLUIDS
    9.
    发明专利
    MATERIAL FOR ABSORBING AQUEOUS FLUIDS 未知

    公开(公告)号：CA1251925A

    公开(公告)日：1989-04-04

    申请号：CA487957

    申请日：1985-08-01

    Applicant: DOW CHEMICAL CO

    Inventor： EVANI SYAMALARAO ,  OSWALD JAMES H ,  STAPLES THOMAS L ,  POLAK BRENT T

    IPC: C08L31/02

    Abstract: Water absorbent compositions comprise a water swellable polymer which contains polymerized water -soluble monomers, water-insoluble monomers having a pendant hydrophobic moiety, and optionally, a crosslinking monomer. The polymer can be blended with a colloidal support such as colloidal silica. The compositions exhibit good water absorbency rates and high gel strengths. 32,634-F

    10.
    发明专利
    未知

    公开(公告)号：BR9707511A

    公开(公告)日：2000-01-04

    申请号：BR9707511

    申请日：1997-02-13

    Applicant: DOW CHEMICAL CO

    Inventor： STAPLES THOMAS L ,  DEVRIEZE JERRY D

    IPC: C08J3/12

    Abstract: The subject invention provides water-swellable polymer compositions having reduced dusting tendencies, i.e., reduced amounts of unassociated dust having a maximum diameter less than or equal to 10 microns and/or the tendency to generate reduced amounts of unassociated dust having a maximum diameter less than or equal to 10 microns upon attrition and a process for preparing such compositions. Hydrophobic dedusting agents are used to achieve the above while substantially maintaining or increasing the surface tension of an aqueous fluid in equilibrium with the polymer and air.

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