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1. 发明申请

US20130102750A1 METHOD FOR PRODUCING POLYACRYLIC ACID (SALT)-BASED WATER ABSORBENT RESIN POWDER 有权
标题翻译：生产聚丙烯酸（盐） - 水吸收树脂粉末的方法
公开(公告)号：US20130102750A1
公开(公告)日：2013-04-25
申请号：US13643682
申请日：2011-04-27
申请人： Yusuke Watanabe , Kazushi Torii , Kozo Nogi , Kunihiko Ishizaki , Reiko Nakatsuru , Shigeru Sakamoto
发明人： Yusuke Watanabe , Kazushi Torii , Kozo Nogi , Kunihiko Ishizaki , Reiko Nakatsuru , Shigeru Sakamoto
IPC分类号： C08J3/12 , C08F122/10
CPC分类号： C08J3/12 , C08F6/008 , C08F122/105 , C08F220/06 , C08J3/122 , C08J3/245 , C08J2333/02 , C08L33/02
摘要： A water absorbent resin having less fine powder or powdery dust and a controlled particle size is provided, and the water absorption rate of the water absorbent resin is increased by a simple method at low cost, while maintaining or improving other physical properties such as liquid permeability. Disclosed is a method for producing a polyacrylic acid (salt)-type water absorbent resin powder, which includes, in sequence, a step of polymerizing an aqueous solution of acrylic acid (salt)-type monomer; a step of gel-crushing a gel of a water-containing gel-like crosslinked polymer during polymerization or after polymerization; a step of drying the water-containing gel-like crosslinked polymer; and a step of pulverizing and classifying the dried polymer, wherein water absorbent resin fine particles having a particle size of less than 150 μm or a hydrated-particles thereof is added to a step prior to the drying step, and in the drying step, hot air drying is carried out with a hot air having an average flow velocity of 1.0 to 3.0 [m/s], a dew point of 30° C. to 100° C., and a hot air temperature of 140° C. to 235° C.
摘要翻译：提供具有较少粉末或粉末粉尘和受控粒度的吸水性树脂，并且通过简单的方法以低成本提高吸水性树脂的吸水率，同时保持或改善其它物理性质如液体渗透性。公开了一种聚丙烯酸（盐）型吸水性树脂粉末的制造方法，其中，依次包括使丙烯酸（盐）型单体的水溶液聚合的工序; 在聚合过程中或聚合后凝胶化凝胶状凝胶状交联聚合物凝胶的步骤; 干燥含水凝胶状交联聚合物的工序; 以及将干燥聚合物粉碎分级的步骤，其中将粒径小于150μm的吸水性树脂细颗粒或其水合物颗粒加入到干燥步骤之前的步骤中，并且在干燥步骤中，热使用平均流速为1.0〜3.0 [m / s]，露点为30℃〜100℃，热风温度为140℃〜235℃的热风进行空气干燥 C。

2. 发明授权

US08765906B2 Method for producing polyacrylic acid (salt) type water absorbent resin powder 有权
标题翻译：聚丙烯酸（盐）型吸水性树脂粉末的制造方法
公开(公告)号：US08765906B2
公开(公告)日：2014-07-01
申请号：US13643682
申请日：2011-04-27
申请人： Yusuke Watanabe , Kazushi Torii , Kozo Nogi , Kunihiko Ishizaki , Reiko Nakatsuru , Shigeru Sakamoto
发明人： Yusuke Watanabe , Kazushi Torii , Kozo Nogi , Kunihiko Ishizaki , Reiko Nakatsuru , Shigeru Sakamoto
IPC分类号： C08G63/02 , C08G63/00
CPC分类号： C08J3/12 , C08F6/008 , C08F122/105 , C08F220/06 , C08J3/122 , C08J3/245 , C08J2333/02 , C08L33/02
摘要： A water absorbent resin having less fine powder or powdery dust and a controlled particle size is provided, and the water absorption rate of the water absorbent resin is increased by a simple method at low cost, while maintaining or improving other physical properties such as liquid permeability. Disclosed is a method for producing a polyacrylic acid (salt)-type water absorbent resin powder, which includes, in sequence, a step of polymerizing an aqueous solution of acrylic acid (salt)-type monomer; a step of gel-crushing a gel of a water-containing gel-like crosslinked polymer during polymerization or after polymerization; a step of drying the water-containing gel-like crosslinked polymer; and a step of pulverizing and classifying the dried polymer, wherein water absorbent resin fine particles having a particle size of less than 150 μm or a hydrated-particles thereof is added to a step prior to the drying step, and in the drying step, hot air drying is carried out with a hot air having an average flow velocity of 1.0 to 3.0 [m/s], a dew point of 30° C. to 100° C., and a hot air temperature of 140° C. to 235° C.
摘要翻译：提供具有较少粉末或粉末粉尘和受控粒度的吸水性树脂，并且通过简单的方法以低成本提高吸水性树脂的吸水率，同时保持或改善其它物理性质如液体渗透性。公开了一种聚丙烯酸（盐）型吸水性树脂粉末的制造方法，其中，依次包括使丙烯酸（盐）型单体的水溶液聚合的工序; 在聚合过程中或聚合后凝胶化凝胶状凝胶状交联聚合物凝胶的步骤; 干燥含水凝胶状交联聚合物的工序; 将干燥聚合物粉碎并分级的步骤，其中在干燥步骤之前的步骤中加入粒径小于150μm的吸水性树脂微粒或其水合颗粒，并且在干燥步骤中，热使用平均流速为1.0〜3.0 [m / s]，露点为30℃〜100℃，热风温度为140℃〜235℃的热风进行空气干燥 C。

3. 发明授权

US09567414B2 Method for producing polyacrylic acid (salt)-based water absorbent resin powder 有权
标题翻译：制备聚丙烯酸（盐）基吸水树脂粉末的方法
公开(公告)号：US09567414B2
公开(公告)日：2017-02-14
申请号：US13982166
申请日：2012-01-30
申请人： Kozo Nogi , Masatoshi Nakamura , Hirofumi Shibata , Koji Honda , Yusuke Watanabe , Satoshi Matsumoto , Reiko Nakatsuru , Kunihiko Ishizaki , Kazuki Kimura , Sayaka Machida
发明人： Kozo Nogi , Masatoshi Nakamura , Hirofumi Shibata , Koji Honda , Yusuke Watanabe , Satoshi Matsumoto , Reiko Nakatsuru , Kunihiko Ishizaki , Kazuki Kimura , Sayaka Machida
IPC分类号： C08F20/06 , C08F220/06 , C08J3/12 , C09D133/04 , C08J3/24
CPC分类号： C08F20/06 , C08F220/06 , C08J3/12 , C08J3/24 , C08J3/245 , C08J2333/02 , C09D133/04 , C08F2222/1013
摘要： From a view point of reduction in an out of spec product after surface crosslinking, particularly, when an alkylene carbonate compound is used as a surface crosslinking agent, influence by an air temperature is great, and it is necessary to reduce ethylene glycol which is produced as a byproduct, and there is provided a process for producing a polyacrylic acid (salt)-based water absorbent resin powder, comprising a step of polymerizing an aqueous acrylic acid (salt)-based monomer solution, a step of drying the resulting polymer, an optional grinding•classifying step, and a surface crosslinking step, wherein in the surface crosslinking step, (1) a surface crosslinking agent containing an alkylene carbonate compound and a polyhydric alcohol compound is mixed into a water absorbent resin powder, the mixture is heat-reacted and, further, simultaneously with, or separately from the mixing, an ion reactive surface crosslinking agent is mixed, and/or (2) mixing treatment of mixing a surface crosslinking agent solution into a water absorbent resin powder containing at least one or more kinds of ion reactive surface crosslinking agents is performed two or more times.
摘要翻译：从表面交联后的特定产品的减少的观点来看，特别是使用碳酸亚烷基酯化合物作为表面交联剂时，由于空气温度的影响大，所以需要还原所生成的乙二醇作为副产物，并且提供了一种制备基于聚丙烯酸（盐）的吸水性树脂粉末的方法，包括使基于丙烯酸（盐）的单体水溶液聚合的步骤，干燥所得聚合物的步骤，任选的研磨分级步骤和表面交联步骤，其中在表面交联步骤中，（1）将含有碳酸亚烃酯化合物和多元醇化合物的表面交联剂混合到吸水性树脂粉末中，将混合物加热和/或（2）混合表面的混合处理，和/或（2）混合表面的混合处理交联剂溶液进入含有至少一种或多种离子反应性表面交联剂的吸水性树脂粉末中进行两次或更多次。

4. 发明申请

US20140042364A1 METHOD FOR PRODUCING POLYACRYLIC ACID (SALT)-BASED WATER ABSORBENT RESIN POWDER 审中-公开
标题翻译：生产聚丙烯酸（盐） - 水吸收树脂粉末的方法
公开(公告)号：US20140042364A1
公开(公告)日：2014-02-13
申请号：US13982147
申请日：2012-01-30
申请人： Kozo Nogi , Masatoshi Nakamura , Hirofumi Shibata , Koji Honda , Yusuke Watanabe , Satoshi Matsumoto , Reiko Nakatsuru , Kunihiko Ishizaki
发明人： Kozo Nogi , Masatoshi Nakamura , Hirofumi Shibata , Koji Honda , Yusuke Watanabe , Satoshi Matsumoto , Reiko Nakatsuru , Kunihiko Ishizaki
IPC分类号： B01J20/30
摘要： From a view pint of decreasing an out of spec product after surface crosslinking, particularly, when an alkylene carbonate compound is used as a surface crosslinking agent, influence due to an air temperature is great, and it is necessary to reduce ethylene glycol which is produced as a byproduct.There is provided a process for producing a polyacrylic acid (salt)-based water absorbent resin powder, comprising storing a non-polymerized organic compound being a raw material (modified raw material) of a water absorbent resin powder in a heated state, thereafter, mixing the non-polymerized organic compound with other compound at a predetermined ratio and, further, mixing the mixture into a water absorbent resin powder.
摘要翻译：特别是在使用碳酸亚烷基酯化合物作为表面交联剂时，从表面交联后的规格产物减少的观点出发，由于空气温度的影响大，需要还原生产的乙二醇作为副产品。提供了一种制备基于聚丙烯酸（盐）的吸水性树脂粉末的方法，其包括将加热状态下的吸水性树脂粉末的原料（改性原料）的未聚合有机化合物，以预定的比例将未聚合的有机化合物与其它化合物混合，再将混合物混合到吸水性树脂粉末中。

5. 发明申请

US20140031473A1 METHOD FOR PRODUCING POLYACRYLIC ACID (SALT)-BASED WATER ABSORBENT RESIN POWDER 有权
标题翻译：生产聚丙烯酸（盐） - 水吸收树脂粉末的方法
公开(公告)号：US20140031473A1
公开(公告)日：2014-01-30
申请号：US13982166
申请日：2012-01-30
申请人： Kozo Nogi , Masatoshi Nakamura , Hirofumi Shibata , Koji Honda , Yusuke Watanabe , Satoshi Matsumoto , Reiko Nakatsuru , Kunihiko Ishizaki , Kazuki Kimura , Sayaka Machida
发明人： Kozo Nogi , Masatoshi Nakamura , Hirofumi Shibata , Koji Honda , Yusuke Watanabe , Satoshi Matsumoto , Reiko Nakatsuru , Kunihiko Ishizaki , Kazuki Kimura , Sayaka Machida
IPC分类号： C08F20/06
CPC分类号： C08F20/06 , C08F220/06 , C08J3/12 , C08J3/24 , C08J3/245 , C08J2333/02 , C09D133/04 , C08F2222/1013
摘要： From a viewpoint of reduction in an out of spec product after surface crosslinking, particularly, when an alkylene carbonate compound is used as a surface crosslinking agent, influence by an air temperature is great, and it is necessary to reduce ethylene glycol which is produced as a byproduct, and there is provided a process for producing a polyacrylic acid (salt)-based water absorbent resin powder, comprising a step of polymerizing an aqueous acrylic acid (salt)-based monomer solution, a step of drying the resulting polymer, an optional grinding•classifying step, and a surface crosslinking step, wherein in the surface crosslinking step, (1) a surface crosslinking agent containing an alkylene carbonate compound and a polyhydric alcohol compound is mixed into a water absorbent resin powder, the mixture is heat-reacted and, further, simultaneously with, or separately from the mixing, an ion reactive surface crosslinking agent is mixed, and/or (2) mixing treatment of mixing a surface crosslinking agent solution into a water absorbent resin powder containing at least one or more kinds of ion reactive surface crosslinking agents is performed two or more times.
摘要翻译：从表面交联后的特定产品的减少的观点出发，特别是使用碳酸亚烷基酯化合物作为表面交联剂时，空气温度的影响大，需要将生成的乙二醇副产物，并且提供了一种生产聚丙烯酸（盐）基吸水性树脂粉末的方法，包括使基于丙烯酸（盐）的单体水溶液聚合的步骤，干燥所得聚合物的步骤，任选的研磨分级步骤和表面交联步骤，其中在表面交联步骤中，（1）将含有碳酸亚烃酯化合物和多元醇化合物的表面交联剂混合到吸水性树脂粉末中，与混合反应，进一步，同时或分开地混合，离子反应性表面交联剂混合，和/或（2）混合处理混合表面cr 将含有至少一种以上离子反应性表面交联剂的吸水性树脂粉末中的脱硫剂溶液进行两次以上。

6. 发明申请

US20060073969A1 Vater-absorbent resin composition and its production process 有权
标题翻译：吸水树脂组合物及其制备方法
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。

7. 发明授权

US08247491B2 Water-absorbent resin composition and its production process 有权
标题翻译：吸水树脂组合物及其制备方法
公开(公告)号：US08247491B2
公开(公告)日：2012-08-21
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 , Sayaka Machida
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 , Sayaka Machida
IPC分类号： C08L33/02 , C08L31/00 , C08L29/04 , C08F20/06 , C08K3/22
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，并且包含水溶性多价金属盐颗粒和表面交联的吸水性树脂颗粒。

8. 发明授权

US08791210B2 Polyacrylic water-absorbent resin powder and method for producing the same 有权
标题翻译：聚丙烯酸吸水性树脂粉末及其制造方法
公开(公告)号：US08791210B2
公开(公告)日：2014-07-29
申请号：US13201701
申请日：2010-02-17
申请人： Shigeru Sakamoto , Yoshio Irie , Kozo Nogi , Kunihiko Ishizaki
发明人： Shigeru Sakamoto , Yoshio Irie , Kozo Nogi , Kunihiko Ishizaki
IPC分类号： C08C19/00 , C08F20/10 , C08F222/20 , C08F2/34 , C08F8/00
CPC分类号： C08C19/00 , C08F2/10 , C08F2/16 , C08F2/34 , C08F8/00 , C08F20/10 , C08F220/06 , C08F222/20
摘要： A method for producing a polyacrylic water-absorbent resin powder includes the steps of: producing an acrylic monomer solution in which gas is dissolved and/or dispersed; polymerizing the monomer solution in the absence of a surface active agent or in the presence of not more than 300 ppm of a surface active agent; during or after polymerizing, fragmenting the resulting hydrated gel crosslinked polymer; and drying the fragmented hydrated gel crosslinked polymer, the gas being dissolved and/or dispersed in the monomer solution by (a) applying pressure to the acrylic monomer solution and the gas; (b) creating swirling flows of the acrylic monomer solution and the gas; or (c) introducing the gas with the acrylic monomer solution via fine holes. The production method efficiently produces a water-absorbent resin having an excellent water-absorption rate without deteriorating a liquid-absorbent property of a sanitary product or the like.
摘要翻译：聚丙烯酸吸水性树脂粉末的制造方法包括以下工序：制造溶解和/或分散有气体的丙烯酸类单体溶液; 在不存在表面活性剂的情况下或在不超过300ppm表面活性剂的存在下聚合单体溶液; 在聚合期间或之后，将所得水合凝胶交联聚合物破碎; 并且通过（a）向丙烯酸单体溶液和气体施加压力，干燥碎裂的水合凝胶交联聚合物，气体溶解和/或分散在单体溶液中; （b）产生丙烯酸单体溶液和气体的旋流; 或（c）通过细孔将丙烯酸单体溶液引入气体。制造方法有效地制造吸水率优异的吸水性树脂，而不会降低卫生用品等的吸液性。

9. 发明授权

US07378453B2 Surface crosslinking treatment method of water-absorbing resin powder 有权
标题翻译：吸水树脂粉末的表面交联处理方法
公开(公告)号：US07378453B2
公开(公告)日：2008-05-27
申请号：US10798346
申请日：2004-03-12
申请人： Kozo Nogi , Shigeru Sakamoto , Noriaki Mizutani , Yorimichi Dairoku , Kunihiko Ishizaki
发明人： Kozo Nogi , Shigeru Sakamoto , Noriaki Mizutani , Yorimichi Dairoku , Kunihiko Ishizaki
IPC分类号： C08J3/00 , C08J3/12
CPC分类号： C08J3/124 , C08J2300/14
摘要： A surface crosslinking treatment method of a water-absorbing resin powder is disclosed that can overcome various problems in production encountered in the production of surface crosslinked water-absorbing resin powders on an industrial scale and can produce a water-absorbing resin powder having excellent physical properties without causing deterioration in physical properties of resin. The surface crosslinking treatment method of a water-absorbing resin powder includes adding a surface crosslinking agent to a water-absorbing resin powder and heat treating the mixture, wherein (1) the water-absorbing resin powder after the heat treatment is stirred and cooled under an air flow; (2) the water-absorbing resin powder after the heat treatment is cooled under an air flow, and at the same time, at least a part of fine particles of the water-absorbing resin powder and/or the residual crosslinking agent is removed by the air flow; or (3) the water-absorbing resin powder after the heat treatment is cooled and simultaneously granulated, and preferably an aqueous solution is added to the water-absorbing resin powder at a temperature of 40-100° C. during the cooling treatment.
摘要翻译：公开了一种吸水性树脂粉末的表面交联处理方法，其可以克服在工业规模生产表面交联吸水性树脂粉末时遇到的生产中的各种问题，并且可以制备具有优异物理性能的吸水性树脂粉末而不会导致树脂的物理性能的劣化。吸水性树脂粉末的表面交联处理方法包括向吸水性树脂粉末中添加表面交联剂，对该混合物进行热处理，其中（1）将热处理后的吸水性树脂粉末在气流; （2）热处理后的吸水性树脂粉末在空气流下冷却，同时，吸水性树脂粉末和/或残留交联剂的至少一部分微粒被除去气流; 或者（3）将热处理后的吸水性树脂粉末冷却并同时造粒，优选在冷却处理期间在40〜100℃的温度下向吸水性树脂粉末中添加水溶液。

10. 发明申请

US20100119312A1 PARTICULATE WATER ABSORBING AGENT AND METHOD FOR PRODUCING THE SAME 有权
标题翻译：颗粒吸水剂及其制备方法
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。

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