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    Absorbent article and production process therefor
    5.
    发明授权
    Absorbent article and production process therefor 失效
    吸收制品及其生产工艺

    公开(公告)号：US06150582A

    公开(公告)日：2000-11-21

    申请号：US82923

    申请日：1998-05-21

    申请人： Katsuyuki Wada ,  Naoko Takahashi ,  Hiroko Ueda ,  Kinya Nagasuna

    发明人： Katsuyuki Wada ,  Naoko Takahashi ,  Hiroko Ueda ,  Kinya Nagasuna

    IPC分类号： A61F13/53 ,  A61F5/44 ,  A61F13/15 ,  A61F13/49 ,  A61L15/16 ,  A61L15/60 ,  B01J20/26 ,  B01J20/28 ,  B32B27/00 ,  C08K7/02 ,  C08L101/14 ,  A61F13/20

    CPC分类号： A61F13/531 ,  A61F13/15203 ,  A61L15/60 ,  A61F2013/15463

    摘要： The invention clarifies absorption properties of a water-absorbent resin as needed in the case where the ratio by weight of the water-absorbent resin to the total of the water-absorbent resin and the fibrous material is ".alpha.," and further the invention provides an absorbent article using a water-absorbent resin which is optimal to the ratio by weight ".alpha." of the water-absorbent resin. A water-absorbent resin, having a concentration absorption index of 35 or more as shown by the following equation (1):A(1-.alpha.)+B.alpha. (1)wherein A (g/g) is an absorption capacity of the resin under no load, andB (g/g) is an absorption capacity of the resin under a load, is used as the water-absorbent resin as used for the absorbent article of at least 0.4 in the ratio by weight ".alpha." of the water-absorbent resin to the total of the water-absorbent resin and the fibrous material.

    摘要翻译： 本发明根据吸水性树脂与吸水性树脂和纤维材料的总量的重量比为“α”的情况，根据需要明确了吸水性树脂的吸收特性，进一步本发明提供 使用吸水性树脂的吸收性物品，该吸水性树脂对于吸水性树脂的重量比“α”是最佳的。 浓度吸收指数为35以上的吸水性树脂，如下式（1）所示：A（1-α）+Bα（1）其中A（g / g）为 树脂在负载下的B（g / g）是树脂在负荷下的吸收能力，作为用于吸收性物品的吸水性树脂，以重量比“α”为至少0.4 吸水性树脂与吸水性树脂和纤维材料的总量相同。

    Particulate Water-Absorbing Agent Containing Water-Absorbent Resin as a Main Component
    7.
    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。

    Water-absorbing agent composition and method for production thereof, absorptive article and absorbing material
    9.
    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。

    Particulate water-absorbing agent with water-absorbing resin as main component, method for production of the same, and absorbing article
    10.
    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。