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    Water-absorbing agent composition and method for production thereof, absorptive article and absorbing material
    1.
    发明授权
    Water-absorbing agent composition and method for production thereof, absorptive article and absorbing material 有权
    吸水剂组合物及其制造方法，吸收性物品和吸收材料

    公开(公告)号：US07595428B2

    公开(公告)日：2009-09-29

    申请号：US10148436

    申请日：2001-11-21

    申请人： Hiroko Ueda ,  Katsuyuki Wada ,  Yoshio Irie

    发明人： Hiroko Ueda ,  Katsuyuki Wada ,  Yoshio Irie

    IPC分类号： A61F13/15

    CPC分类号： A61L15/40 ,  A61L15/46 ,  A61L15/60 ,  A61L2300/30

    摘要： The present invention has an object to provide a particulate water-absorbing composition, a production process therefor, and an absorbent article comprising this particulate water-absorbing composition, wherein the particulate water-absorbing composition causes little coloring of other materials and further is of high safety, and can provide excellent deodorizability and excellent absorption properties to absorbent articles such as diapers in the case where combined into the absorbent articles. As a means of achieving this object, a particulate water-absorbing composition according to the present invention is characterized by comprising a plant powder and a water-absorbent resin, wherein a surface portion and/or its vicinity of the water-absorbent resin is surface-treated with a crosslinking agent, and wherein the particulate water-absorbing composition exhibits an offensive-odor removal index of not less than 180 wherein the offensive-odor removal index is represented by the following equation: offensive-odor removal index=1.1×hydrogen sulfide removal ratio+2.0×methylmercaptan removal ratio+0.3×ammonia removal ratio.

    摘要翻译： 本发明的目的是提供一种颗粒状吸水性组合物及其制造方法以及包含该颗粒状吸水性组合物的吸收性物品，其中，所述颗粒状吸水性组合物几乎不引起其他材料的着色，并且还高 并且在组合成吸收性物品的情况下，可以对尿布等吸收性物品提供优异的除臭性和优异的吸收性。 作为实现该目的的手段，本发明的颗粒状吸水性组合物的特征在于，含有植物粉末和吸水性树脂，其中吸水性树脂的表面部分和/或其附近为表面 用交联剂处理，其中颗粒状吸水组合物表现出不低于180的恶臭除臭指数，其中恶臭除臭指数由下列等式表示：恶臭除臭指数= 1.1硫化氢 去除率+ 2.0×甲硫醇去除率+0.3×去除率。

    Water-absorbent composition, process for production thereof, absorbent and absorbing product
    2.
    发明授权
    Water-absorbent composition, process for production thereof, absorbent and absorbing product 有权
    吸水剂组合物，其制造方法，吸收和吸收产品

    公开(公告)号：US07825169B2

    公开(公告)日：2010-11-02

    申请号：US10448456

    申请日：2003-05-30

    申请人： Katsuyuki Wada ,  Hiroko Ueda ,  Kunihiko Ishizaki ,  Yoshio Irie ,  Yasuhisa Nakashima

    发明人： Katsuyuki Wada ,  Hiroko Ueda ,  Kunihiko Ishizaki ,  Yoshio Irie ,  Yasuhisa Nakashima

    IPC分类号： A61L9/013

    CPC分类号： A61L15/60 ,  A61F13/8405 ,  A61L9/01 ,  A61L15/40 ,  B01J20/267 ,  B01J2220/4875

    摘要： A water-absorbent composition includes: a specific plant extract; a water-absorbent resin whose surface portion and/or periphery thereof is treated; and/or a water-absorbent resin having a specific property. Specifically, it is preferable to use a water-absorbent resin having three characteristics: (1) a specific neutralization rate, (2) a specific particle diameter, and (3) a specific plant extract. The water-absorbent composition has a superior deodorant performance and an absorbent characteristic when the water-absorbent composition is used (provided) in an absorbing product such as a paper diaper, thereby providing a superior deodorant performance and a superior absorbent characteristic to the foregoing absorbing product.

    摘要翻译： 吸水组合物包括：特定植物提取物; 其表面部分和/或其周边被处理的吸水性树脂; 和/或具有特定性质的吸水性树脂。 具体而言，优选使用具有三个特征的吸水性树脂：（1）特定中和率，（2）特定粒径，和（3）特定植物提取物。 吸水性组合物在纸尿布等吸收体中使用（设置）吸水性组合物时具有优异的除臭性能和吸收特性，从而为上述吸收性物质提供优异的除臭性能和优异的吸收特性 产品。

    Particulate Water-Absorbing Agent Containing Water-Absorbent Resin as a Main Component
    4.
    发明申请
    Particulate Water-Absorbing Agent Containing Water-Absorbent Resin as a Main Component 有权
    含有吸水性树脂作为主要成分的颗粒吸水剂

    公开(公告)号：US20080075937A1

    公开(公告)日：2008-03-27

    申请号：US11662590

    申请日：2005-09-22

    申请人： Katsuyuki Wada ,  Hiroko Ueda ,  Kazuki Kimura ,  Kunihiko Ishizaki

    发明人： Katsuyuki Wada ,  Hiroko Ueda ,  Kazuki Kimura ,  Kunihiko Ishizaki

    IPC分类号： B32B7/02 ,  B32B5/16 ,  C08K9/00

    CPC分类号： C08J3/24 ,  A61L15/46 ,  A61L15/60 ,  A61L2300/30 ,  A61L2300/404 ,  A61L2300/802 ,  C08J2300/14 ,  Y10T428/24893 ,  Y10T428/24942 ,  Y10T428/2982 ,  Y10T442/653

    摘要： In at least one embodiment, a particulate water-absorbing agent is provided which not only ensures the many conventional physical properties (absorption rate, centrifuge retention capacity, absorbency against pressure, particle size distribution etc.) but also prevents odor which is generated after the resin is swollen by absorption. The water absorbent agent of an embodiment of the present invention therefore does not cause odor in actual use. As a result of intensive study of the foregoing problem, an embodiment of the present invention offers a way of controlling a specific odor component, which is generated from impurities and/or by-product derived from the raw material, after the high temperature process. In this way, an embodiment of the present invention successfully provides a water absorbent agent not causing odor after the resin is swollen by absorption.

    摘要翻译： 在至少一个实施方案中，提供了一种颗粒状吸水剂，其不仅确保了许多常规物理性能（吸收速率，离心保留能力，耐压吸收性，粒度分布等），而且还防止了在 树脂通过吸收而膨胀。 因此，本发明的实施方式的吸水剂在实际使用中不会引起气味。 作为对上述问题的深入研究的结果，本发明的实施方式提供了在高温处理之后控制由原料衍生的杂质和/或副产物产生的特定气味成分的方法。 以这种方式，本发明的一个实施方案成功地提供了在树脂通过吸收溶胀而不产生气味的吸水剂。

    Particulate water-absorbing agent with water-absorbing resin as main component, method for production of the same, and absorbing article
    7.
    发明申请
    Particulate water-absorbing agent with water-absorbing resin as main component, method for production of the same, and absorbing article 审中-公开
    具有吸水性树脂作为主要成分的颗粒状吸水剂，其制造方法和吸收性物品

    公开(公告)号：US20090036855A1

    公开(公告)日：2009-02-05

    申请号：US11658879

    申请日：2005-08-05

    申请人： Katsuyuki Wada ,  Hiroko Ueda ,  Teruyuki Kanto ,  Kunihiko Ishizaki ,  Motohiro Imura

    发明人： Katsuyuki Wada ,  Hiroko Ueda ,  Teruyuki Kanto ,  Kunihiko Ishizaki ,  Motohiro Imura

    IPC分类号： A61F13/53 ,  B01J20/28

    CPC分类号： B01J20/261 ,  A61F13/531 ,  A61F2013/530569 ,  A61F2013/5307 ,  A61F2013/530751 ,  A61L15/60 ,  B01J20/26 ,  B01J20/2803 ,  B01J2220/68 ,  C08F6/18 ,  C08F220/06

    摘要： Reversed phase suspension polymerization is allowed while controlling content of minor components in monomer, particularly controlling a content of acetic acid and propionic acid being not higher than 500 ppm, controlling a content of acrylic acid dimer being not higher than 1000 ppm, in acrylic acid. Cross-linked polymer obtained by the polymerization is subjected to a surface crosslinking treatment without substantially using an organic solvent, and under heating at high temperature (150° C. or higher and 250° C. or lower). Thereafter, agglomeration is carried out without substantially using an organic solvent. Accordingly, a particulate water-absorbing agent including a water-absorbing resin having superior property, and being suited for practical applications at high concentrations in absorbing cores such as a diaper and the like without generation of any odor of the organic solvent can be obtained because no volatile organic compound is included.

    摘要翻译： 在丙烯酸​​中控制丙烯酸二聚体的含量控制丙烯酸二聚体的含量不高于500ppm，特别是控制乙酸和丙酸的含量不高于500ppm，同时控制单体中少量成分的含量，进行反相悬浮聚合。 通过聚合得到的交联聚合物基本上不使用有机溶剂进行表面交联处理，并在高温（150℃以上且250℃以下）下加热。 此后，基本上不使用有机溶剂进行附聚。 因此，可以获得包含具有优异性能的吸水性树脂的颗粒状吸水剂，并且可以获得不产生有机溶剂的任何气味的高吸收性芯材如尿布等的实际应用的颗粒状吸水剂，因为 不含挥发性有机化合物。

    Particulate water absorbing agent with irregularly pulverized shape
    8.
    发明申请
    Particulate water absorbing agent with irregularly pulverized shape 有权
    颗粒状吸水剂不规则粉碎形状

    公开(公告)号：US20070141338A1

    公开(公告)日：2007-06-21

    申请号：US10588530

    申请日：2005-03-29

    申请人： Kunihiko Ishizaki ,  Takahiro Kitano ,  Yoshifumi Adachi ,  Hiroko Ueda ,  Katsuyuki Wada

    发明人： Kunihiko Ishizaki ,  Takahiro Kitano ,  Yoshifumi Adachi ,  Hiroko Ueda ,  Katsuyuki Wada

    IPC分类号： B32B1/00 ,  B01J20/00 ,  B01J20/22 ,  B01J20/26 ,  B32B5/16

    CPC分类号： C08J3/12 ,  C08J3/245 ,  C08J2300/14 ,  Y10T428/249924 ,  Y10T428/254 ,  Y10T428/2982 ,  Y10T428/2991 ,  Y10T428/2998 ,  Y10T442/2344

    摘要： The present invention provides a particulate water absorbing agent for a thin type absorbing substrate suitable for actual use. A particulate water absorbing agent having irregularly pulverized shape, characterized by comprising, a surface crosslinked water-absorbing resin obtained by crosslinking polymerization of an unsaturated monomer with an acid group and/or salts thereof, which absorbing agent contains agglomerated particles therein and further satisfies (i) centrifuge retention capacity (CRC) in a physiological saline solution of not lower than 32 g/g, (ii) mass median particle size (D50) of 200 to 400 μm, and (iii) particles smaller than 600 μm and not smaller than 150 μm of 95 to 100% by weight. By using the particulate water absorbing agent, such absorbing articles can be obtained as have few rugged surface after water absorption, excellent liquid permeation property.

    摘要翻译： 本发明提供一种适用于实际使用的薄型吸收性基材用颗粒状吸水剂。 具有不规则粉碎形状的颗粒状吸水剂，其特征在于，包含通过使不饱和单体与酸基和/或其盐交联聚合得到的表面交联吸水性树脂，所述吸收剂含有附聚颗粒，并进一步满足（ i）在不低于32g / g的生理盐水溶液中离心保留容量（CRC），（ii）质量中值粒径（D50）为200-400μm，和（iii）小于600μm的颗粒而不是更小的颗粒 95％至100％重量的150mg。 通过使用颗粒状吸水剂，可以获得这样的吸收制品，其吸水后的表面几乎不渗透，液体渗透性优异。