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。

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。

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。

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：US08596931B2

公开(公告)日：2013-12-03

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

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：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。

公开(公告)号：US08487048B2

公开(公告)日：2013-07-16

申请号：US10555707

申请日：2004-05-07

申请人： Katsuyuki Wada ,  Masatoshi Nakamura ,  Kazuki Kimura ,  Kunihiko Ishizaki

发明人： Katsuyuki Wada ,  Masatoshi Nakamura ,  Kazuki Kimura ,  Kunihiko Ishizaki

IPC分类号： C08F8/00 ,  C08F8/14 ,  C08F8/32 ,  A61F13/53

CPC分类号： C08J3/243 ,  A61L15/60 ,  C08F8/00 ,  C08F2800/20 ,  C08F2810/20 ,  C08J3/245 ,  C08J2300/14 ,  Y10T428/254 ,  C08L33/02 ,  C08F220/04

摘要： Objects of the present invention are: to provide a water-absorbent resin which exhibits excellent balances between water absorption performances; and further to provide a process by which a water-absorbent resin having excellent absorption properties can be produced even if no hydrophilic organic solvent is used, or even if its amount is extremely reduced, when carrying out the surface-crosslinking treatment; and further to provide a water-absorbent resin optimum to absorbent articles such as diapers. As a means of achieving these objects, the process according to the present invention for production of the water-absorbent resin comprises: a step (1) of polymerizing a monomer component including an acid-group-containing unsaturated monomer as an essential component to thereby obtain a hydrogel polymer; a step (2) of drying and pulverizing the hydrogel polymer to thereby obtain a water-absorbent resin powder; a step (3) of adding a surface-crosslink-treating agent to the water-absorbent resin powder, wherein the surface-crosslink-treating agent includes a surface-crosslinking agent and water as essential components and has a hydrophilic organic solvent content of 0 to 10 mass % relative to the surface-crosslink-treating agent; and a step (4) of heating the resultant mixture to thereby carry out surface-crosslinking treatment; wherein a time of from the end of the step (3) till the beginning of the step (4) is within 5 minutes.

摘要翻译： 本发明的目的是提供吸水性能优异的平衡性的吸水性树脂; 进一步提供一种在进行表面交联处理时即使不使用亲水性有机溶剂也可以产生吸水性优异的吸水性树脂，或者即使其量极少地减少的方法; 并且进一步提供对吸收制品如尿布最佳的吸水性树脂。 作为实现这些目的的手段，本发明的制造吸水性树脂的方法包括：使包含含酸基的不饱和单体作为必要成分的单体成分聚合的工序（1） 获得水凝胶聚合物; 干燥粉碎水凝胶聚合物从而获得吸水性树脂粉末的步骤（2）; 将表面交联处理剂添加到吸水性树脂粉末中的步骤（3），其中表面交联处理剂包括表面交联剂和水作为必要组分，并且亲水性有机溶剂含量为0 相对于表面交联处理剂为10质量％ 和加热所得混合物从而进行表面交联处理的步骤（4）; 其中从步骤（3）的结束到步骤（4）的开始的时间在5分钟内。

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

IPC分类号： A61F13/15 ,  B32B5/16 ,  C08F8/00

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。

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。

公开(公告)号：US20060276598A1

公开(公告)日：2006-12-07

申请号：US10555707

申请日：2004-05-07

申请人： Katsuyuki Wada ,  Masatoshi Nakamura ,  Kazuki Kimura ,  Kunihiko Ishizaki

发明人： Katsuyuki Wada ,  Masatoshi Nakamura ,  Kazuki Kimura ,  Kunihiko Ishizaki

IPC分类号： C08F120/10 ,  C08F8/00

CPC分类号： C08J3/243 ,  A61L15/60 ,  C08F8/00 ,  C08F2800/20 ,  C08F2810/20 ,  C08J3/245 ,  C08J2300/14 ,  Y10T428/254 ,  C08L33/02 ,  C08F220/04

摘要： Objects of the present invention are: to provide a water-absorbent resin which exhibits excellent balances between water absorption performances; and further to provide a process by which a water-absorbent resin having excellent absorption properties can be produced even if no hydrophilic organic solvent is used, or even if its amount is extremely reduced, when carrying out the surface-crosslinking treatment; and further to provide a water-absorbent resin optimum to absorbent articles such as diapers. As a means of achieving these objects, the process according to the present invention for production of the water-absorbent resin comprises: a step (1) of polymerizing a monomer component including an acid-group-containing unsaturated monomer as an essential component to thereby obtain a hydrogel polymer; a step (2) of drying and pulverizing the hydrogel polymer to thereby obtain a water-absorbent resin powder; a step (3) of adding a surface-crosslink-treating agent to the water-absorbent resin powder, wherein the surface-crosslink-treating agent includes a surface-crosslinking agent and water as essential components and has a hydrophilic organic solvent content of 0 to 10 mass % relative to the surface-crosslink-treating agent; and a step (4) of heating the resultant mixture to thereby carry out surface-crosslinking treatment; wherein a time of from the end of the step (3) till the beginning of the step (4) is within 5 minutes.