公开(公告)号：US09453091B2

公开(公告)日：2016-09-27

申请号：US13635045

申请日：2011-03-17

申请人： Sumio Okuda ,  Syuji Kanzaki ,  Kunihiko Ishizaki ,  Shinichi Fujino ,  Kozo Nogi

发明人： Sumio Okuda ,  Syuji Kanzaki ,  Kunihiko Ishizaki ,  Shinichi Fujino ,  Kozo Nogi

IPC分类号： A61L15/24 ,  C08F120/06 ,  C08F220/06 ,  C08J3/24 ,  B07B1/56 ,  C08F6/00 ,  B07B13/16 ,  G01N15/02 ,  B07B1/28

CPC分类号： C08F120/06 ,  B07B1/28 ,  B07B1/54 ,  B07B1/56 ,  B07B13/16 ,  C08F6/008 ,  C08F220/06 ,  C08J3/24 ,  C08J3/245 ,  C08J2300/14 ,  G01N15/0272 ,  G01N2015/0277 ,  G01N2015/0288

摘要： A method for producing a water absorbent resin, the method including a polymerization step, a drying step, a classification step, and a surface crosslinking step. The classification step carried out before or after the surface crosslinking step requires use of a metal sieve mesh having stretch tension from 35 to 100 N/cm, in which an air jet cleaner or an air jet brush cleaner and plural tapping balls or tapping blocks are installed below the metal sieve mesh, a classification aid particle having specific gravity different from that of the water absorbent resin powder is added, and a fine powder of the water absorbent resin and the classification aid particle are removed.

摘要翻译： 一种吸水性树脂的制造方法，其包括聚合工序，干燥工序，分级工序以及表面交联工序。 在表面交联步骤之前或之后进行的分级步骤需要使用具有35至100N / cm的拉伸张力的金属筛网，其中空气喷射清洁器或空气喷射刷清洁器和多个敲击球或攻丝块是 在金属筛网的下方，添加比重与吸水性树脂粉末不同的分级助剂粒子，除去吸水性树脂和分级助剂粒子的细粉末。

公开(公告)号：US09051067B2

公开(公告)日：2015-06-09

申请号：US12921877

申请日：2009-03-13

申请人： Kozo Nogi ,  Sumio Okuda ,  Keiji Inoue ,  Kazumasa Konishi ,  Toru Nishioka ,  Yusuke Watanabe

发明人： Kozo Nogi ,  Sumio Okuda ,  Keiji Inoue ,  Kazumasa Konishi ,  Toru Nishioka ,  Yusuke Watanabe

IPC分类号： C08J3/24 ,  C08F20/06 ,  B65B1/08 ,  B01J20/26 ,  B65B37/04 ,  B65B1/06 ,  B65B1/22 ,  B01J20/30

CPC分类号： B65B1/08 ,  B01J20/26 ,  B01J20/267 ,  B01J20/30 ,  B01J2220/68 ,  B65B1/06 ,  B65B1/22 ,  B65B37/04 ,  C08F20/06 ,  C08J3/245

摘要： Provided is a production method for the particulate water-absorbing agent, which can collecting the fine powders generated during the producing process efficiently without worsening working environment, and also the particulate water-absorbing agent produced by the production method thereof. This production method includes (1) a polymerization step for obtaining a polymer gel, (2) a drying step for drying said polymer gel to obtain a particulate water-absorbing resin, (3) a classification step for sieving said particulate water-absorbing resin, (4) a surface cross-linking step for cross-linking the neighborhood of the surface of said particulate water-absorbing resin (5) a packaging step for filling a packaging material container with said particulate water-absorbing agent for packaging and (6) a transportation step for transporting the products produced in each of the steps to the other steps. In this production method, the fine powders contained in gas composed principally of air, in any of the steps, can be collected by use of a trapping material.

摘要翻译： 本发明提供一种颗粒状吸水剂的制造方法，其能够有效地收集生产过程中产生的微细粉末而不会使工作环境恶化，也可以通过其制造方法生产的颗粒状吸水剂。 该制造方法包括（1）获得聚合物凝胶的聚合步骤，（2）干燥所述聚合物凝胶以获得颗粒状吸水性树脂的干燥步骤，（3）筛分所述颗粒状吸水性树脂 （4）用于将所述颗粒状吸水树脂（5）的表面附近交联的表面交联步骤，用于将包装材料容器与所述颗粒状吸水剂填充的包装步骤（6 ）用于将在每个步骤中生产的产品运送到其他步骤的运输步骤。 在该制造方法中，可以通过使用捕集材料来收集在任何步骤中主要由空气组成的气体中所含的细粉末。

公开(公告)号：US08907021B2

公开(公告)日：2014-12-09

申请号：US13392639

申请日：2010-08-27

申请人： Takahiro Kitano ,  Kozo Nogi ,  Kunihiko Ishizaki

发明人： Takahiro Kitano ,  Kozo Nogi ,  Kunihiko Ishizaki

IPC分类号： C08F2/01

CPC分类号： A61L15/24 ,  A61L15/60 ,  C08F120/06 ,  C08F220/06 ,  C08J3/24 ,  C08J3/245 ,  C08J2300/14 ,  C08J2333/02 ,  C08L33/08 ,  C08F2222/1013

摘要： Disclosed is a method for producing a water absorbent resin, by which a surface-crosslinked water absorbent resin having excellent physical properties can be efficiently obtained at low cost, while assuring high productivity. When the production scale is increased to a continuous production at 1 t/hr or more, the physical properties are improved and stabilized (for example, standard deviation of the physical properties is reduced) by a surface-crosslinking treatment, and the absorption against pressure (AAP) and liquid permeability (SFC) are further improved. Specifically disclosed is a method for producing a water absorbent resin, which is characterized in that the stirring shaft of the continuous mixing apparatus for the surface-crosslinking agent is heated during the mixing step of the surface-crosslinking agent or that the continuous mixing apparatus for the surface-crosslinking agent is operated at a pressure that is reduced relative to the ambient pressure and a gas flow is passed through the mixing apparatus during the mixing of the surface-crosslinking agent so that the gas flow in the mixing apparatus is 40° C. or more (when defined with respect to the gas temperature at the exit).

摘要翻译： 公开了一种生产吸水性树脂的方法，通过该方法可以以低成本有效地获得具有优异物理性能的表面交联吸水性树脂，同时确保高生产率。 当生产规模增加到1t / hr以上的连续生产时，通过表面交联处理改善和稳定物理性能（例如物理性能的标准偏差），并且抗压力 （AAP）和液体渗透性（SFC）进一步提高。 具体公开了一种吸水性树脂的制造方法，其特征在于，表面交联剂的连续混合装置的搅拌轴在表面交联剂的混合工序中被加热， 表面交联剂在相对于环境压力降低的压力下操作，并且在混合表面交联剂期间气流通过混合装置，使得混合装置中的气流为40℃ 或更多（当相对于出口处的气体温度定义时）。

公开(公告)号：US08809475B2

公开(公告)日：2014-08-19

申请号：US13392909

申请日：2010-08-30

申请人： Koji Matsumoto ,  Kozo Nogi ,  Shinichi Fujino ,  Yorimichi Dairoku ,  Kunihiko Ishizaki

发明人： Koji Matsumoto ,  Kozo Nogi ,  Shinichi Fujino ,  Yorimichi Dairoku ,  Kunihiko Ishizaki

IPC分类号： C08F2/00 ,  C08F20/06

CPC分类号： C08J3/12 ,  C08J3/245 ,  C08J2300/14 ,  C08J2333/02

摘要： A production method for a water-absorbent resin, comprising a polymerization step for obtaining hydrogel by subjecting a monomer aqueous solution to a polymerization reaction, and a drying step for drying the hydrogel, wherein drying in the drying step is performed using a continuous through-flow belt-type drying machine, the solid content of the hydrogel supplied to the drying step is 35% by weight or more, and thickness variation rate (1) represented by the following EXPRESSION 1 of the hydrogel loaded onto through-flow belt in the continuous through-flow belt, is 1.05 to 5: [MATH. 1] Thickness variation rate (1)=(Maximum thickness of hydrogel in a width direction of the through-flow belt)/(Average thickness of hydrogel in a width direction of the through-flow belt).  [EXPRESSION 1]

摘要翻译： 一种吸水性树脂的制造方法，其特征在于，包括通过使单体水溶液进行聚合反应而得到水凝胶的聚合工序和干燥水凝胶的干燥工序，干燥工序中的干燥是使用连续通孔 流动带式干燥机中，提供给干燥步骤的水凝胶的固体含量为35重量％以上，并且由下述表达式1表示的厚度变化率（1）表示为加载到通气带中的水凝胶 连续通流带，为1.05〜5：[MATH。 1]厚度变化率（1）=（贯穿流动带的宽度方向的水凝胶的最大厚度）/（贯通带的宽度方向的水凝胶的平均厚度）。 [表达1]

公开(公告)号：US20140114035A1

公开(公告)日：2014-04-24

申请号：US14112774

申请日：2012-04-20

申请人： Kozo Nogi ,  Syuji Kanzaki ,  Kunihiko Ishizaki ,  Shinichi Fujino ,  Satoshi Matsumoto

发明人： Kozo Nogi ,  Syuji Kanzaki ,  Kunihiko Ishizaki ,  Shinichi Fujino ,  Satoshi Matsumoto

IPC分类号： C08F2/18

CPC分类号： C08F2/18 ,  C08F220/06 ,  C08J3/12 ,  C08J2333/02

摘要： The purpose of the present invention is to provide a method for producing a water absorbent resin in which a water absorbent resin having excellent properties can be obtained effectively. The present invention relates to a method for producing a polyacrylic acid (salt)-based water absorbent resin, which includes a polymerization step of polymerizing an aqueous monomer solution containing a polymerization inhibitor, acrylic acid (salt) and an internal cross-linking agent to produce a water-containing gel-like cross-linked polymer, a gel-crushing step of performing the gel-crushing of the water-containing gel-like cross-linked polymer simultaneously with or subsequent to the polymerization to produce a particulate water-containing gel-like cross-linked polymer, and a drying step of supplying the particulate water-containing gel-like cross-linked polymer to a continuous through-flow belt-type dryer by a traverse conveyor to dry the particulate water-containing gel-like cross-linked polymer, in which the belt temperature of the traverse conveyor is 40 to 120° C. and/or the water soluble component in the particulate water-containing gel-like cross-linked polymer on the traverse conveyor is 10% by weight or less and the water soluble component is increased after the drying step.

摘要翻译： 本发明的目的是提供一种可以有效获得具有优异性能的吸水性树脂的吸水性树脂的制造方法。 本发明涉及一种聚丙烯酸（盐）系吸水性树脂的制造方法，其包括将含有聚合抑制剂，丙烯酸（盐）和内部交联剂的单体水溶液聚合的聚合工序， 产生含水凝胶状交联聚合物，在聚合反应或聚合后同时进行凝胶状破碎的凝胶状破碎工序，制成含水凝胶状交联聚合物 凝胶状交联聚合物，以及通过横动输送机将含粒状含水凝胶状交联聚合物供给到连续流通带式干燥机的干燥工序，干燥含水凝胶状的颗粒状凝胶状 横向传送带的带温度为40〜120℃的交联聚合物和/或该混合物中的颗粒状含水凝胶状交联聚合物中的水溶性成分 惰性输送机为10重量％以下，干燥后水溶性成分增加。

公开(公告)号：US20100119312A1

公开(公告)日：2010-05-13

申请号：US12593443

申请日：2008-03-28

申请人： Teruhisa Nagashima ,  Masatoshi Nakamura ,  Yusuke Watanabe ,  Kozo Nogi ,  Kunihiko Ishizaki

发明人： Teruhisa Nagashima ,  Masatoshi Nakamura ,  Yusuke Watanabe ,  Kozo Nogi ,  Kunihiko Ishizaki

IPC分类号： B65G53/00 ,  A61K8/72

CPC分类号： C08J3/12 ,  A61L15/60 ,  B01J20/267 ,  B01J2220/68 ,  C08J2301/00 ,  C08J2303/00

摘要： A method includes the steps of: adding an organic surface cross-linking agent to a water absorbent resin having a cross-linked structure; adding a liquid permeability improving agent to the water absorbent resin concurrently with or after the addition of the organic surface cross-linking agent; and then adding a lubrication improving agent to the water absorbent resin. This provides a particulate water absorbing agent and a method for producing it, the particulate water absorbing agent being suitable for pneumatic transportation, suffering no decrease in the effect of the liquid permeability improving agent, and excelling in properties such as fluidity and damage resistance after the pneumatic transportation.

摘要翻译： 一种方法包括以下步骤：向具有交联结构的吸水性树脂中加入有机表面交联剂; 在添加有机表面交联剂的同时或之后向吸水性树脂中加入透液性改进剂; 然后向吸水性树脂中添加润滑改善剂。 这提供了一种颗粒状吸水剂及其制造方法，该颗粒状吸水剂适用于气动输送，不会降低透液性改善剂的作用，并且在其后的流动性和耐损伤性等性能方面优异 气动运输。

公开(公告)号：US07347330B2

公开(公告)日：2008-03-25

申请号：US10855251

申请日：2004-05-27

申请人： Yorimichi Dairoku ,  Kozo Nogi ,  Koji Miyake

发明人： Yorimichi Dairoku ,  Kozo Nogi ,  Koji Miyake

IPC分类号： B01J20/26 ,  B02C19/00 ,  B07B13/02 ,  C08F6/04 ,  C08F20/06

CPC分类号： C08J7/12 ,  C08J3/12 ,  C08J2300/14

摘要： A method for sizing a surface cross-linked water-absorbent resin removed coarse particles and fine powder is provided. Sized resin particles are obtained by classifying water-absorbent resin particles to remove an aggregates and fine powder in the particles, disintegrating the obtained aggregates and classifying the products of the disintegration to remove coarse particles and fine powder contained in the products.

摘要翻译： 提供了去除粗颗粒和细粉末的表面交联吸水性树脂的定径方法。 通过对吸水性树脂颗粒进行分级以除去颗粒中的聚集体和细粉末，分解得到的聚集体并分解产物以分解产物中所含的粗颗粒和细粉末，从而获得大小的树脂颗粒。

公开(公告)号：US20060247351A1

公开(公告)日：2006-11-02

申请号：US11373215

申请日：2006-03-13

申请人： Kazushi Torii ,  Kenji Kadonaga ,  Hirofumi Shibata ,  Taku Iwamura ,  Kazuki Kimura ,  Koji Miyake ,  Kozo Nogi

发明人： Kazushi Torii ,  Kenji Kadonaga ,  Hirofumi Shibata ,  Taku Iwamura ,  Kazuki Kimura ,  Koji Miyake ,  Kozo Nogi

IPC分类号： C09D5/08 ,  C08K3/22 ,  C04B26/06

CPC分类号： C08L101/14 ,  C08J3/245 ,  Y10T428/2998

摘要： A water-absorbing agent according to the present invention includes water-absorbent resin particles having an internal cross-linked structure,.wherein a vicinity of a surface of the water-absorbent resin particle is cross-linked with a surface cross-linking agent, and the water-absorbent resin particle has therein a sea-island structure having (i) part containing a first water-soluble multivalent metal salt such as aluminum sulfate and (ii) part not containing the first water-soluble multivalent metal salt. With this arrangement, it is possible to provide a water-absorbing agent having less water-soluble component content, more excellent liquid permeability, and more excellent water retention under pressure than the conventional water-absorbing agent.

摘要翻译： 根据本发明的吸水剂包括具有内部交联结构的吸水性树脂颗粒，其中吸水性树脂颗粒的表面附近与表面交联剂交联， 并且吸水性树脂颗粒具有海岛结构，其具有（i）部分含有第一水溶性多价金属盐如硫酸铝和（ii）不含第一水溶性多价金属盐的部分。 通过这种布置，可以提供比常规吸水剂更低的水溶性组分含量，更好的液体渗透性和更优异的保压性的吸水剂。

公开(公告)号：US20060073969A1

公开(公告)日：2006-04-06

申请号：US10544348

申请日：2004-02-06

申请人： Kazushi Torii ,  Yoshiro Mitsukami ,  Motohiro Imura ,  Taku Iwamura ,  Toshimasa Kitayama ,  Kenji Kadonaga ,  Hiroki Inoue ,  Koji Miyake ,  Kozo Nogi ,  Masatoshi Nakamura ,  Shigeru Sakamoto

发明人： Kazushi Torii ,  Yoshiro Mitsukami ,  Motohiro Imura ,  Taku Iwamura ,  Toshimasa Kitayama ,  Kenji Kadonaga ,  Hiroki Inoue ,  Koji Miyake ,  Kozo Nogi ,  Masatoshi Nakamura ,  Shigeru Sakamoto

IPC分类号： B01J20/00

CPC分类号： A61L15/60

摘要： There are disclosed a water-absorbent resin composition and its production process, wherein the water-absorbent resin composition causes little gel-blocking and is excellent in the liquid permeability and liquid diffusibility and is high also in the absorption performances and further is strong also against the physical damage; and there are further disclosed a water-absorbent resin composition and its production process, wherein the water-absorbent resin composition has the following further advantages, in addition to the above, of involving little segregation of the metal compound and further having a dust prevention effect. One of water-absorbent resin compositions according to the present invention is a water-absorbent resin composition comprising water-absorbent resin particles obtained by polymerizing a monomer including acrylic acid and/or its salt, with the composition having a mass-average particle diameter of 100 to 600 μm and comprising water-soluble polyvalent metal salt particles and the water-absorbent resin particles that have been surface-crosslinked.

摘要翻译： 公开了吸水性树脂组合物及其制造方法，其中吸水性树脂组合物几乎没有凝胶阻塞，并且液体渗透性和液体扩散性优异，并且吸收性能也高，并且还强 物理伤害; 并且还公开了一种吸水性树脂组合物及其制造方法，其中除了上述之外，吸水性树脂组合物具有以下进一步的优点，即涉及金属化合物几乎不偏析并且还具有防尘效果 。 根据本发明的吸水性树脂组合物之一是吸收性树脂组合物，其包含通过使包含丙烯酸和/或其盐的单体聚合而获得的吸水性树脂颗粒，其组成物的质量平均粒径为 100〜600μm，含有水溶性多价金属盐粒子和表面交联的吸水性树脂粒子。

公开(公告)号：US06362243B1

公开(公告)日：2002-03-26

申请号：US09658171

申请日：2000-09-08

申请人： Masazumi Sasabe ,  Katsuhiko Sakamoto ,  Hiroshi Yamazaki ,  Koichi Yonemura ,  Kenji Kadonaga ,  Akiko Mitsuhashi ,  Kazutomo Takahashi ,  Kozo Nogi ,  Kenji Minami

发明人： Masazumi Sasabe ,  Katsuhiko Sakamoto ,  Hiroshi Yamazaki ,  Koichi Yonemura ,  Kenji Kadonaga ,  Akiko Mitsuhashi ,  Kazutomo Takahashi ,  Kozo Nogi ,  Kenji Minami

IPC分类号： C08J928

CPC分类号： C08J9/28 ,  C08F2/32 ,  C08J2201/028 ,  C08J2333/06 ,  Y10S521/918

摘要： This invention has for an object thereof the provision of a method for the production of a porous cross-linked polymer which can freely control the upper and lower surface behavior of the porous cross-linked polymer, the width and the thickness of the polymer and can perform continuously a process ranting from a step of supplying the emulsion through a step of polymerizing it. The object of this invention, in the production of a porous cross-linked polymer by polymerizing a water-in-oil type high internal phase emulsion, is accomplished by a method for the production of a porous cross-linked polymer characterized by performing continuously a process ranting from a step of supplying the emulsion through a step of polymerizing it while having the outer surface part of the emulsion retain an atmosphere or a state having a lower oxygen content than the ambient air.

摘要翻译： 本发明的目的在于提供一种生产多孔交联聚合物的方法，其可以自由地控制多孔交联聚合物的上下表面行为，聚合物的宽度和厚度以及可以 不断进行从乳液供给步骤到通过聚合步骤的工序。本发明的目的是通过聚合油包水型高内相乳液来生产多孔交联聚合物是 通过生产多孔交联聚合物的方法实现，其特征在于连续进行从供给乳液的步骤的过程，该步骤通过使乳液的外表面部分保持气氛或具有 比环境空气低的氧含量。