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1. 发明申请

US20120298915A1 PROCESS FOR PRODUCING WATER-ABSORBING RESIN POWDER 有权
标题翻译：生产吸水树脂粉的方法
公开(公告)号：US20120298915A1
公开(公告)日：2012-11-29
申请号：US13578118
申请日：2011-02-10
申请人： Sumio Okuda , Kunihiko Ishizaki , Katsuyuki Wada
发明人： Sumio Okuda , Kunihiko Ishizaki , Katsuyuki Wada
IPC分类号： C08L33/02
CPC分类号： C08J3/12 , B01J20/267 , B01J2220/68 , C08J3/245 , C08J2300/14
摘要： Provided is a process for producing a water-absorbing resin powder which contains a given amount of water added thereto, has a low dust content, and has high material properties. When a water-absorbing resin powder which has undergone surface crosslinking is produced on an industrial scale, various problems concerning production are eliminated and a long-term stable operation is possible without causing a deterioration in the material properties of the resin. Even when the process is continued over a long period, the material properties are stabilized (decrease in standard deviation) or improved (improvement in AAP). The process for producing a water-absorbing resin comprises, in the following order, a first classification step for classifying a water-absorbing resin, a surface crosslinking step after the classification, a water addition step for adding water to the water-absorbing resin powder after or during the surface crosslinking, a second classification step, and a conveying step.
摘要翻译：提供了含有给定量的水的吸水性树脂粉末的制造方法，其具有低的粉尘含量，并且具有高的材料性能。当以工业规模生产经历表面交联的吸水树脂粉末时，消除了生产中的各种问题，并且可以长期稳定地操作，而不会导致树脂的材料性能的劣化。即使长时间持续该过程，材料性能也稳定（标准偏差降低）或改善（AAP改善）。吸水性树脂的制造方法按照以下顺序包括分级吸水性树脂的第一分级工序，分级后的表面交联工序，向吸水性树脂粉末中添加水的添加水添加工序在表面交联之后或期间，第二分级步骤和输送步骤。

2. 发明授权

US09976001B2 Process for producing water-absorbing resin powder 有权
公开(公告)号：US09976001B2
公开(公告)日：2018-05-22
申请号：US13578118
申请日：2011-02-10
申请人： Sumio Okuda , Kunihiko Ishizaki , Katsuyuki Wada
发明人： Sumio Okuda , Kunihiko Ishizaki , Katsuyuki Wada
IPC分类号： C08J3/00 , C08L33/02 , C08J3/12 , C08J3/24 , B01J20/26
CPC分类号： C08J3/12 , B01J20/267 , B01J2220/68 , C08J3/245 , C08J2300/14
摘要： Provided is a process for producing a water-absorbing resin powder which contains a given amount of water added thereto, has a low dust content, and has high material properties. When a water-absorbing resin powder which has undergone surface crosslinking is produced on an industrial scale, various problems concerning production are eliminated and a long-term stable operation is possible without causing a deterioration in the material properties of the resin. Even when the process is continued over a long period, the material properties are stabilized (decrease in standard deviation) or improved (improvement in AAP). The process for producing a water-absorbing resin comprises, in the following order, a first classification step for classifying a water-absorbing resin, a surface crosslinking step after the classification, a water addition step for adding water to the water-absorbing resin powder after or during the surface crosslinking, a second classification step, and a conveying step.

3. 发明授权

US09272068B2 Process for producing water-absorbing resin 有权
标题翻译：吸水树脂的制造方法
公开(公告)号：US09272068B2
公开(公告)日：2016-03-01
申请号：US13634167
申请日：2011-03-14
申请人： Syuji Kanzaki , Sumio Okuda , Kunihiko Ishizaki , Satoshi Matsumoto
发明人： Syuji Kanzaki , Sumio Okuda , Kunihiko Ishizaki , Satoshi Matsumoto
IPC分类号： C08J3/12 , A61L15/56 , A61L15/60 , C08F6/00 , B01J20/26 , C08J3/24
CPC分类号： A61L15/56 , A61L15/60 , B01J20/261 , B01J20/267 , B01J2220/68 , C08F6/008 , C08J3/12 , C08J3/122 , C08J3/245 , C08J2300/14 , C08J2333/02
摘要： The disclosed process for producing a water-absorbing resin comprising: a polymerization step of polymerizing an aqueous unsaturated monomer; and a drying step of drying a particulated water-containing gel-liked crosslinked polymer, obtained in a finely crushing step during the polymerization or after the polymerization. In the process, the drying step is interrupted with a dryer kept in a heated state and thereafter the drying step is restarted.
摘要翻译：所公开的生产吸水性树脂的方法，包括：使含水不饱和单体聚合的聚合步骤; 以及干燥步骤，在聚合过程中或聚合后，在细碎的步骤中得到颗粒状的含水凝胶状交联聚合物。在该过程中，干燥步骤被保持在加热状态的干燥器中断，然后重新开始干燥步骤。

4. 发明申请

US20130123435A1 METHOD OF PRODUCING ABSORBENT RESIN 有权
标题翻译：生产吸收树脂的方法
公开(公告)号：US20130123435A1
公开(公告)日：2013-05-16
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： C08J3/24
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： Provided is a method which does not require alteration of the raw materials or high capital investment, and improves and stabilizes the physical property (for example, liquid permeability) of a water absorbent resin by means of a simple technique. A method for producing a water absorbent resin is disclosed, which method includes a polymerization step of polymerizing an aqueous solution of acrylic acid (salt) to obtain a water-containing gel-like crosslinked polymer; a drying step of drying the water-containing gel-like crosslinked polymer to obtain a water absorbent resin powder; a classification step of classifying the water absorbent resin powder; and a surface crosslinking step of surface crosslinking the water absorbent resin powder, wherein in the classification steps that are carried before the surface crosslinking step and/or after the surface crosslinking step, the stretch tension (tension) of the metal sieve mesh used in the classification step is from 35 [N/cm] to 100 [N/cm].
摘要翻译：提供了不需要改变原材料或高资本投资的方法，并且通过简单的技术提高和稳定吸水性树脂的物理性能（例如，透液性）。公开了一种吸水性树脂的制造方法，该方法包括聚合丙烯酸（盐）水溶液以获得含水凝胶状交联聚合物的聚合步骤; 干燥步骤，干燥含水凝胶状交联聚合物以获得吸水性树脂粉末; 吸水性树脂粉末的分类步骤; 和表面交联吸水性树脂粉末的表面交联步骤，其中在表面交联步骤之前和/或表面交联步骤之后承载的分级步骤中，所用的金属筛网的拉伸张力（张力）分级步骤为35 [N / cm]至100 [N / cm]。

5. 发明申请

US20130005926A1 PROCESS FOR PRODUCING WATER-ABSORBING RESIN 有权
标题翻译：生产吸水树脂的方法
公开(公告)号：US20130005926A1
公开(公告)日：2013-01-03
申请号：US13634167
申请日：2011-03-14
申请人： Syuji Kanzaki , Sumio Okuda , Kunihiko Ishizaki , Satoshi Matsumoto
发明人： Syuji Kanzaki , Sumio Okuda , Kunihiko Ishizaki , Satoshi Matsumoto
IPC分类号： C08F120/06
CPC分类号： A61L15/56 , A61L15/60 , B01J20/261 , B01J20/267 , B01J2220/68 , C08F6/008 , C08J3/12 , C08J3/122 , C08J3/245 , C08J2300/14 , C08J2333/02
摘要： The disclosed process for producing a water-absorbing resin comprising: a polymerization step of polymerizing an aqueous unsaturated monomer; and a drying step of drying a particulated water-containing gel-liked crosslinked polymer, obtained in a finely crushing step during the polymerization or after the polymerization. In the process, the drying step is interrupted with a dryer kept in a heated state and thereafter the drying step is restarted.
摘要翻译：所公开的生产吸水性树脂的方法，包括：使含水不饱和单体聚合的聚合步骤; 以及干燥步骤，在聚合过程中或聚合后，在细碎的步骤中得到颗粒状的含水凝胶状交联聚合物。在该过程中，干燥步骤被保持在加热状态的干燥器中断，然后重新开始干燥步骤。

6. 发明申请

US20130005904A1 PROCESS FOR PRODUCING WATER-ABSORBING RESIN 有权
标题翻译：生产吸水树脂的方法
公开(公告)号：US20130005904A1
公开(公告)日：2013-01-03
申请号：US13634151
申请日：2011-03-14
申请人： Syuji Kanzaki , Sumio Okuda , Kunihiko Ishizaki , Satoshi Matsumoto
发明人： Syuji Kanzaki , Sumio Okuda , Kunihiko Ishizaki , Satoshi Matsumoto
IPC分类号： C08F20/06
CPC分类号： A61L15/56 , A61L15/60 , B01J20/261 , B01J20/267 , B01J2220/68 , C08F6/008 , C08J3/12 , C08J3/122 , C08J3/245 , C08J2300/14 , C08J2333/02
摘要： The disclosed process for producing a water-absorbing resin comprising: a polymerization step of polymerizing an aqueous unsaturated monomer; a drying step of drying a particulated water-containing gel-liked crosslinked polymer, obtained in a finely crushing step during the polymerization or after the polymerization; a pulverizing step after the drying, a classification step after the drying, and a surface treatment step after the classification. In the process is, the surface-treatment step is interrupted with a heating treatment apparatus kept in a heated state and thereafter the surface treatment step is restarted.
摘要翻译：所公开的生产吸水性树脂的方法，包括：使含水不饱和单体聚合的聚合步骤; 干燥步骤，在聚合过程中或在聚合后，在细粉碎步骤中得到颗粒状含水凝胶状交联聚合物; 干燥后的粉碎工序，干燥后的分级工序，分级后的表面处理工序。在该过程中，表面处理步骤被保持在加热状态的加热处理装置中断，然后重新开始表面处理步骤。

7. 发明授权

US10307506B2 Process for producing water-absorbing resin 有权
公开(公告)号：US10307506B2
公开(公告)日：2019-06-04
申请号：US13634128
申请日：2011-03-14
申请人： Syuji Kanzaki , Sumio Okuda , Kunihiko Ishizaki , Satoshi Matsumoto
发明人： Syuji Kanzaki , Sumio Okuda , Kunihiko Ishizaki , Satoshi Matsumoto
IPC分类号： C08F6/00 , C08J3/12 , C08J3/24 , A61L15/56 , A61L15/60 , B01J20/26
摘要： The disclosed process for continuously producing a water-absorbing resin comprising a plurality of joined continuous steps; a polymerization step of polymerizing an aqueous unsaturated monomer solution, a drying step of drying a particulated water-containing gel-like crosslinked polymer obtained in a finely crushing step during the polymerization or after the polymerization, a pulverizing step after the drying, a classification step after the drying, and a surface treatment step for the water-absorbing resin powder after the classification step. In the process, with some of the above steps kept running, the other steps are interrupted, and subsequently all the steps are restarted.

8. 发明授权

US09453091B2 Method of producing water absorbent resin 有权
标题翻译：生产吸水性树脂的方法
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。

9. 发明授权

US09233186B2 Process for producing water-absorbing resin 有权
标题翻译：吸水树脂的制造方法
公开(公告)号：US09233186B2
公开(公告)日：2016-01-12
申请号：US13634151
申请日：2011-03-14
申请人： Syuji Kanzaki , Sumio Okuda , Kunihiko Ishizaki , Satoshi Matsumoto
发明人： Syuji Kanzaki , Sumio Okuda , Kunihiko Ishizaki , Satoshi Matsumoto
IPC分类号： A61L15/56 , A61L15/60 , C08J3/12 , C08F6/00 , B01J20/26 , C08J3/24
CPC分类号： A61L15/56 , A61L15/60 , B01J20/261 , B01J20/267 , B01J2220/68 , C08F6/008 , C08J3/12 , C08J3/122 , C08J3/245 , C08J2300/14 , C08J2333/02
摘要： The disclosed process for producing a water-absorbing resin comprising: a polymerization step of polymerizing an aqueous unsaturated monomer; a drying step of drying a particulated water-containing gel-liked crosslinked polymer, obtained in a finely crushing step during the polymerization or after the polymerization; a pulverizing step after the drying, a classification step after the drying, and a surface treatment step after the classification. In the process is, the surface-treatment step is interrupted with a heating treatment apparatus kept in a heated state and thereafter the surface treatment step is restarted.
摘要翻译：所公开的生产吸水性树脂的方法，包括：使含水不饱和单体聚合的聚合步骤; 干燥步骤，在聚合过程中或在聚合后，在细粉碎步骤中得到颗粒状含水凝胶状交联聚合物; 干燥后的粉碎工序，干燥后的分级工序，分级后的表面处理工序。在该过程中，表面处理步骤被保持在加热状态的加热处理装置中断，然后重新开始表面处理步骤。

10. 发明授权

US08138292B2 Method for producing particulate water—absorbing agent composed principally of water absorbing resin 有权
标题翻译：主要由吸水树脂组成的颗粒状吸水剂的制造方法
公开(公告)号：US08138292B2
公开(公告)日：2012-03-20
申请号：US12922011
申请日：2009-03-13
申请人： Koji Matsumoto , Sumio Okuda , Kunihiko Ishizaki
发明人： Koji Matsumoto , Sumio Okuda , Kunihiko Ishizaki
IPC分类号： C08F20/06
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 contribute to property enhancement, and further improvement of productivity or the like, as well. One example of the production method for the particulate water-absorbing agent relevant to the present invention includes the polymerization step for obtaining a polymer gel; the drying step for drying the polymer gel to obtain a dried substance; the pulverization step for pulverizing the dried substance or the polymer gel to obtain the particulate water-absorbing resin; the classification step for sieving the particulate water-absorbing resin; the granule sizing step for granule sizing the particulate water-absorbing agent obtained from the particulate water-absorbing resin; and the transporting step for transporting the products produced in each of the steps to other steps. Preferably, one or more steps selected from the pulverization step, the classification step, the granule sizing step and the transporting step after the pulverization step are set under reduced pressure state.
摘要翻译：本发明提供一种颗粒状吸水剂的制造方法，能够有助于提高性能，进一步提高生产率等。与本发明有关的颗粒状吸水剂的制造方法的一个例子包括获得聚合物凝胶的聚合工序; 用于干燥聚合物凝胶以获得干燥物质的干燥步骤; 用于粉碎干燥物质或聚合物凝胶的粉碎步骤以获得颗粒状吸水树脂; 用于筛分颗粒状吸水树脂的分级步骤; 从颗粒状吸水树脂获得的颗粒状吸水剂的颗粒尺寸的颗粒施胶步骤; 以及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。优选在减压状态下设置从粉碎工序，分级工序，颗粒施胶步骤和粉碎步骤后的输送步骤中选出的一个或多个步骤。

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