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公开(公告)号：US07183456B2
公开(公告)日：2007-02-27
申请号：US10764535
申请日：2004-01-27
申请人： Takumi Hatsuda , Yoshio Irie , Masatoshi Nakamura , Katsuyuki Wada , Shinichi Fujino , Kazuki Kimura , Kunihiko Ishizaki
发明人： Takumi Hatsuda , Yoshio Irie , Masatoshi Nakamura , Katsuyuki Wada , Shinichi Fujino , Kazuki Kimura , Kunihiko Ishizaki
CPC分类号： C08J3/122 , A61L15/60 , C08J3/245 , C08J2300/14 , Y10S524/916 , Y10T428/2982
摘要： In a production process for a water-absorbent resin, comprising the steps of: blending a liquid material and a water-absorbent resin; and heating the resultant mixture in order to produce a modified water-absorbent resin, the present invention is to provide: a method for uniformly and efficiently treating a water-absorbent resin favorably in view of industry, and as a result, a good-balanced water-absorbent resin having various excellent properties, such absorption capacity without a load, absorption capacity under a load, and single-layer absorption capacity under a load in contact with an aqueous liquid. The production process comprises the step of spray-blending a water-absorbent resin (A) and a liquid material (B) with a blending apparatus equipped with a spray nozzle (C), wherein the liquid material (B) is sprayed from the spray nozzle (C) and its spray pattern is a circular and hollow cone shape or a double-convex-lens and elliptic cone shape. In addition, the production process comprises the step of heat-treating a water-absorbent resin under an atmosphere having a dew point of not higher than 60° C. and a temperature of not lower than 90° C., wherein the water-absorbent resin is obtained after a drying step following a pulverization step.
摘要翻译： 在吸水性树脂的制造方法中，包括以下步骤：将液体材料和吸水性树脂混合; 并加热得到的混合物以制备改性吸水性树脂，本发明提供一种从工业上有利地均匀有效地处理吸水性树脂的方法，结果是良好平衡 具有各种优异性能的吸水性树脂，这种无负载的吸收能力，负载下的吸收能力以及在与水性液体接触的负荷下的单层吸收能力。 制备方法包括用配有喷嘴（C）的混合装置将吸水性树脂（A）和液体材料（B）喷雾共混的步骤，其中液体材料（B）从喷雾 喷嘴（C）及其喷射图案是圆形和中空圆锥形或双凸透镜和椭圆锥形。 此外，制造方法包括在露点不高于60℃，温度不低于90℃的气氛下对吸水性树脂进行热处理的步骤，其中吸水剂 在粉碎步骤之后的干燥步骤之后获得树脂。
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公开(公告)号：US06720389B2
公开(公告)日：2004-04-13
申请号：US09945812
申请日：2001-09-05
申请人： Takumi Hatsuda , Yoshio Irie , Masatoshi Nakamura , Katsuyuki Wada , Shinichi Fujino , Kazuki Kimura , Kunihiko Ishizaki
发明人： Takumi Hatsuda , Yoshio Irie , Masatoshi Nakamura , Katsuyuki Wada , Shinichi Fujino , Kazuki Kimura , Kunihiko Ishizaki
IPC分类号： C08J324
CPC分类号： C08J3/122 , A61L15/60 , C08J3/245 , C08J2300/14 , Y10S524/916 , Y10T428/2982
摘要： In a production process for a water-absorbent resin, comprising the steps of: blending a liquid material and a water-absorbent resin; and heating the resultant mixture in order to produce a modified water-absorbent resin, the present invention is to provide: a method for uniformly and efficiently treating a water-absorbent resin favorably in view of industry, and as a result, a good-balanced water-absorbent resin having various excellent properties, such absorption capacity without a load, absorption capacity under a load, and single-layer absorption capacity under a load in contact with an aqueous liquid. The production process comprises the step of spray-blending a water-absorbent resin (A) and a liquid material (B) with a blending apparatus equipped with a spray nozzle (C), wherein the liquid material (B) is sprayed from the spray nozzle (C) and its spray pattern is a circular and hollow cone shape or a double-convex-lens and elliptic cone shape. In addition, the production process comprises the step of heat-treating a water-absorbent resin under an atmosphere having a dew point of not higher than 60° C. and a temperature of not lower than 90° C., wherein the water-absorbent resin is obtained after a drying step following a pulverization step.
摘要翻译： 在吸水性树脂的制造方法中，包括以下步骤：将液体材料和吸水性树脂混合; 并加热得到的混合物以制备改性吸水性树脂，本发明提供一种从工业上有利地均匀有效地处理吸水性树脂的方法，结果是良好平衡 具有各种优异性能的吸水性树脂，这种无负载的吸收能力，负载下的吸收能力以及在与水性液体接触的负荷下的单层吸收能力。 制备方法包括用配有喷嘴（C）的混合装置将吸水性树脂（A）和液体材料（B）喷雾共混的步骤，其中液体材料（B）从喷雾 喷嘴（C）及其喷射图案是圆形和中空圆锥形或双凸透镜和椭圆锥形。 此外，制造方法包括在露点不高于60℃，温度不低于90℃的气氛下对吸水性树脂进行热处理的步骤，其中吸水剂 在粉碎步骤之后的干燥步骤之后获得树脂。
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公开(公告)号：US08519212B2
公开(公告)日：2013-08-27
申请号：US12777373
申请日：2010-05-11
申请人： Yorimichi Dairoku , Yoshio Irie , Shinichi Fujino , Yasuhiro Fujita , Takashi Azumi , Kunihiko Ishizaki
发明人： Yorimichi Dairoku , Yoshio Irie , Shinichi Fujino , Yasuhiro Fujita , Takashi Azumi , Kunihiko Ishizaki
CPC分类号： C08F220/06 , A61L15/24 , C08F2/001 , C08F2/01 , C08F2/10 , C08F20/06 , C08F222/1006 , C08L33/02
摘要： The present invention provides a production process by which a water-absorbent resin of excellent quality can be obtained at a low cost by reasonable steps in aqueous solution polymerization. The process for producing a water-absorbent resin comprises the step of polymerizing an aqueous solution of water-absorbent resin-forming monomers including acrylic acid and/or its sodium salt as major components, wherein: (1) the aqueous solution has a monomer component concentration of not less than 45 weight %; (2) the polymerization is carried out while water is evaporated so that the ratio (concentration ratio) between a solid component concentration in a hydropolymer as formed by the polymerization and a solid component concentration in the aqueous monomer solution will not be less than 1.10; and (3) the solid component concentration in the hydropolymer as formed by the polymerization is not more than 80 weight %.
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公开(公告)号：US20050054788A1
公开(公告)日：2005-03-10
申请号：US10942851
申请日：2004-09-17
申请人： Yorimichi Dairoku , Yoshio Irie , Shinichi Fujino , Yasuhiro Fujita , Takashi Azumi , Kunihiko Ishizaki
发明人： Yorimichi Dairoku , Yoshio Irie , Shinichi Fujino , Yasuhiro Fujita , Takashi Azumi , Kunihiko Ishizaki
CPC分类号： C08F220/06 , A61L15/24 , C08F2/001 , C08F2/01 , C08F2/10 , C08F20/06 , C08F222/1006 , C08L33/02
摘要： The present invention provides a production process by which a water-absorbent resin of excellent quality can be obtained at a low cost by reasonable steps in aqueous solution polymerization. The process for producing a water-absorbent resin comprises the step of polymerizing an aqueous solution of water-absorbent resin-forming monomers including acrylic acid and/or its sodium salt as major components, wherein: (1) the aqueous solution has a monomer component concentration of not less than 45 weight %; (2) the polymerization is carried out while water is evaporated so that the ratio (concentration ratio) between a solid component concentration in a hydropolymer as formed by the polymerization and a solid component concentration in the aqueous monomer solution will not be less than 1.10; and (3) the solid component concentration in the hydropolymer as formed by the polymerization is not more than 80 weight %.
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公开(公告)号：US06297319B1
公开(公告)日：2001-10-02
申请号：US09432018
申请日：1999-11-02
IPC分类号： C08F800
CPC分类号： C08L101/00 , A61L15/60 , C08F8/30 , C08L101/14 , C08L2666/20 , C08L2666/14
摘要： The present invention provides: a process for producing a water-absorbing agent by using a crosslinking agent of high safety, wherein the water-absorbing agent is excellent in the absorption capacities under no load and under a load and further in the blocking ratio under a load, and can display excellent absorption properties even if the weight percentage of the water-absorbent resin (resin concentration) is high when the water-absorbent resin is used for materials such as sanitary materials; and such a water-absorbing agent. The water-absorbent resin is mixed and treated with an oxazoline compound, wherein the oxazoline compound has at least three structural units of general formula (1) below: wherein R1˜R4 separately denote a hydrogen atom, an alkyl group, an aromatic group, a halogen group, a substituted alkyl group, or a substituted aromatic group.
摘要翻译： 本发明提供一种通过使用高安全性的交联剂制造吸水剂的方法，其中吸水剂在空载和负载下的吸收容量优异， 即使吸水性树脂用于卫生材料等材料，即使吸水性树脂（树脂浓度）的重量百分比高，也能显示优异的吸收性能; 和这种吸水剂。 吸水性树脂混合并用恶唑啉化合物处理，其中恶唑啉化合物具有至少三个下列通式（1）的结构单元：其中R1〜R4分别表示氢原子，烷基，芳基， 卤素基，取代的烷基或取代的芳基。
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公开(公告)号：US10099254B2
公开(公告)日：2018-10-16
申请号：US12532909
申请日：2008-03-24
摘要： A particulate water absorbent resin is obtained by polymerizing an unsaturated monomer so as to form a cross-linked polymer hydrogel and drying and pulverizing the cross-linked polymer hydrogel, and plural classification steps different from each other are carried out so as to remove fine powder. In this manner, the present invention provides the method for classification of particulate water absorbent resin which method allows particulate water absorbent resin having a desired particle diameter range to be efficiently obtained at low cost while securing the high productivity even in case where a larger production equipment is used.
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27.发明授权公开(公告)号：US09074030B2
公开(公告)日：2015-07-07
申请号：US13807530
申请日：2011-06-29
申请人： Toshihiro Takaai , Hidenori Wada , Shinichi Fujino
发明人： Toshihiro Takaai , Hidenori Wada , Shinichi Fujino
CPC分类号： C08J9/122 , A61L15/24 , A61L15/60 , C08F2/01 , C08F20/00 , C08F220/06 , C08J3/245 , C08J9/20 , C08J9/36 , C08J2203/06 , C08J2205/05 , C08J2333/02 , C08J2335/02 , Y10T428/2982 , C08L33/02 , C08F2222/1013
摘要： Provided is a method for producing a water absorbent resin, which promotes the formation of interconnected voids (continuous gas bubbles) in a foamed polymer (foam-like water absorbent resin) by a more convenient method, and produces with high efficiency a water absorbent resin which exhibits a high water absorption rate even when stepped into a sheet form or a powder form in hygiene articles and the like. Disclosed is a a method for producing a polyacrylic acid-type water absorbent resin, comprising (A) a step of obtaining an aqueous solution of acrylic acid-type monomers containing gas bubbles dispersed therein; (B) a step of polymerizing the aqueous monomer solution and thereby obtaining a foamed polymer; and (C) a step of heating and drying the foamed polymer, wherein gas bubbles are incorporated such that the volumetric expansion factor defined by the following formula (1); [Formula 1] Volumetric expansion factor=(Volume of aqueous monomer solution after gas bubble dispersion)/(volume of aqueous mononer solution before gas bubble dispersion) Formula (1); exceeds 1.1 times, and the aqueous monomer solution having a monomer concentration defined by the following formula (2); [Formula 2] Monomer concentration [wt %]=(Weight of a monomer)/{(weight of a monomer)+(weight of solvent)}×100 Formula (2); of 40% by weight or greater is boiling polymerized at a temperature of 100° C. or higher.
摘要翻译： 提供一种通过更方便的方法促进发泡聚合物（泡沫状吸水性树脂）中形成互连空隙（连续气泡）的吸水性树脂的制造方法，高效率地制造吸水性树脂 即使在卫生用品等中成为片状或粉末状时，也显示出高的吸水率。 本发明提供一种聚丙烯酸型吸水性树脂的制造方法，其特征在于，包括：（A）获得含有分散在其中的气泡的丙烯酸型单体的水溶液的工序; （B）使单体水溶液聚合，得到发泡聚合物的工序; 和（C）加热和干燥发泡聚合物的步骤，其中加入气泡，使得由下式（1）定义的体积膨胀系数; [式1]体积膨胀系数=（气泡分散后的单体水溶液的体积）/（气泡分散前的单体溶液的体积）式（1） 超过1.1倍，单体浓度由下式（2）定义的单体水溶液; [式2]单体浓度[wt％] =（单体重量）/ {（单体重量）+（溶剂重量）}×100式（2） 为40重量％以上时，在100℃以上的温度下进行沸腾聚合。
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公开(公告)号：US08188163B2
公开(公告)日：2012-05-29
申请号：US12675364
申请日：2008-08-27
申请人： Makoto Matsumoto , Toshihiro Takaai , Yorimichi Dairoku , Shinichi Fujino , Satoshi Matsumoto , Seiji Kato
发明人： Makoto Matsumoto , Toshihiro Takaai , Yorimichi Dairoku , Shinichi Fujino , Satoshi Matsumoto , Seiji Kato
IPC分类号： C09B67/00
摘要： A water absorbent resin is dried in a continuous fluidized bed having a heat transfer tube and at least two drying rooms. Pulverization is performed between a first drying room at not less than 80° C. to not more than 200° C. and a second or subsequent room at not less than 100° C. to not more than 220° C. A method for producing a water absorbent resin includes: (1) polymerizing a monomer aqueous solution; (2) drying a hydrogel polymer of step (1); (3) performing particle size control of the dry polymer of the step (2); (5) surface crosslinking the water absorbent resin powder of step (3), and step (4) of performing a second heat drying on the water absorbent resin powder of step (3), preceding step (5). The water absorbent resin has a moisture content of 0 wt % to 3 wt % before the step (5).
摘要翻译： 在具有传热管和至少两个干燥室的连续流化床中干燥吸水性树脂。 在不低于80℃至不超过200℃的第一干燥室和不低于100℃至不超过220℃的第二或后续室之间进行粉碎。一种生产方法 吸水性树脂包括：（1）聚合单体水溶液; （2）干燥步骤（1）的水凝胶聚合物; （3）对步骤（2）的干燥聚合物进行粒度控制; （5）在步骤（5）之前，将步骤（3）的吸水性树脂粉末与步骤（3）的吸水性树脂粉末进行第二次加热干燥的步骤（4）进行表面交联。 在步骤（5）之前，吸水性树脂的水分含量为0重量％〜3重量％。
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公开(公告)号：US20120016084A1
公开(公告)日：2012-01-19
申请号：US13258645
申请日：2010-03-31
CPC分类号： C08J3/12 , B01J20/267 , B01J2220/68 , C08F20/06 , C08F220/06 , C08J3/245 , C08J2333/02
摘要： A production of a water-absorbent resin by which a particle diameter of the water-absorbent resin can be controlled simply and conveniently, and a content of fine powder can be decreased, without necessity of change of raw materials or expensive facility investment is to be provided. The method is a continuous production method of a polyacrylic acid (salt)-based water-absorbent resin, comprising a polymerization step of an aqueous solution containing acrylic acid (salt), a drying step of the resultant hydrogel-like polymer, a pulverization step of the dried substance, a classification step of the pulverized substance, and optionally a surface cross-linking step of the classified substance, wherein (a) the drying step and the pulverization step are connected via a storage step and a transportation step; and (b) a time of holding the dried substance from a time of completing the drying step to a time of starting the pulverization step is set at 3 minutes or longer.
摘要翻译： 可以简单方便地制造吸水性树脂的粒径，并且可以减少细粉的含量，而不需要改变原料或昂贵的设备投资。 提供。 该方法是以聚丙烯酸（盐）为基础的吸水性树脂的连续制备方法，其包括含有丙烯酸（盐）的水溶液的聚合步骤，所得水凝胶状聚合物的干燥步骤，粉碎步骤 干燥物质的分级步骤，以及任选的分级物质的表面交联步骤，其中（a）干燥步骤和粉碎步骤通过储存步骤和运输步骤连接; 和（b）从完成干燥步骤的时间到开始粉碎步骤的时间将干燥物质的时间设定为3分钟以上。
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公开(公告)号：US20110155485A1
公开(公告)日：2011-06-30
申请号：US12892594
申请日：2010-09-28
申请人： Yoshihisa TSURUMI , Shinichi Fujino , Sadashi Seto
发明人： Yoshihisa TSURUMI , Shinichi Fujino , Sadashi Seto
CPC分类号： H01M2/0262 , H01M2/0237 , H01M10/425 , H01M10/48
摘要： An electrical storage device includes: a conductive battery house casing electrically connected to a chassis; a plurality of battery cells held in the battery house casing; and a control unit that comprises a circuit that manages the plurality of battery cells and is mounted on the battery house casing so that a negative terminal of the circuit and the battery house casing are electrically conducting.
摘要翻译： 电气存储装置包括：电连接到底盘的导电电池壳体壳体; 保持在电池壳体中的多个电池单元; 以及控制单元，其包括管理所述多个电池单元并且被安装在所述电池壳体上的电路，使得所述电路的负极端子和所述电池壳体是导电的。
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