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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。
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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
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。
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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
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。
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公开(公告)号：US07750085B2
公开(公告)日：2010-07-06
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： C08F20/02
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，和 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。
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公开(公告)号：US20120184670A1
公开(公告)日：2012-07-19
申请号：US13498780
申请日：2010-09-29
申请人： Taishi Kobayashi , Motohiro Imura , Taku Iwamura , Katsuyuki Wada , Kozo Nogi , Yoshiro Mitsukami , Masato Abe , Hiroko Ueda , Koji Honda
发明人： Taishi Kobayashi , Motohiro Imura , Taku Iwamura , Katsuyuki Wada , Kozo Nogi , Yoshiro Mitsukami , Masato Abe , Hiroko Ueda , Koji Honda
IPC分类号： C08L33/02
CPC分类号： A61L15/60 , A61L15/22 , B01J20/223 , B01J20/267 , B01J20/30 , B01J2220/44 , C08F220/06 , C08J3/245 , C08J2300/14 , C08J2333/02 , C08K5/098 , C08L33/02
摘要： A particulate water absorbing agent of the present invention is a water absorbing agent containing a water absorbing resin as a main component, the particulate water absorbing agent containing a polyvalent metal cation and satisfying: (1) the polyvalent metal cation is contained in an amount between 0.001 wt % and 5 wt % relative to the amount of the water absorbing agent; (2) an absorbency without pressure (CRC) is not less than 28 (g/g) and an absorbency against pressure (AAP 4.83 kPa) is not less than 10 (g/g); (3) the absorbency against pressure and the absorbency without pressure satisfy 77≦AAP (4.83 kPa)+1.8×CRC≦100; and (4) a moisture content of the water absorbing agent is between 5 wt % and 20 wt %. This provides a water absorbing agent which has blocking resistance after moisture absorption, is excellent in stability to shock and suppresses Re-Wet when used in a diaper.
摘要翻译： 本发明的颗粒状吸水剂是含有吸水性树脂作为主要成分的吸水剂，含有多价金属阳离子的颗粒状吸水剂，满足：（1）多价金属阳离子的含量为 0.001重量％和5重量％; （2）无压吸收率（CRC）不小于28（g / g），抗压吸收性（AAP 4.83kPa）不小于10（g / g）; （3）抗压吸收性和无压吸收性满足77＆nlE; AAP（4.83kPa）+ 1.8×CRC＆nlE; 100; 和（4）吸水剂的水分含量在5重量％至20重量％之间。 这提供了一种在吸湿后具有抗粘连性的吸水剂，对休克的稳定性优异，并且当在尿布中使用时抑制Re-Wet。
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公开(公告)号：US08952116B2
公开(公告)日：2015-02-10
申请号：US13498780
申请日：2010-09-29
申请人： Taishi Kobayashi , Motohiro Imura , Taku Iwamura , Katsuyuki Wada , Kozo Nogi , Yoshiro Mitsukami , Masato Abe , Hiroko Ueda , Koji Honda
发明人： Taishi Kobayashi , Motohiro Imura , Taku Iwamura , Katsuyuki Wada , Kozo Nogi , Yoshiro Mitsukami , Masato Abe , Hiroko Ueda , Koji Honda
IPC分类号： C08F220/06 , C08K5/098 , C08L33/02 , B01J20/22 , B01J20/26 , B01J20/30 , A61L15/60 , C08J3/24
CPC分类号： A61L15/60 , A61L15/22 , B01J20/223 , B01J20/267 , B01J20/30 , B01J2220/44 , C08F220/06 , C08J3/245 , C08J2300/14 , C08J2333/02 , C08K5/098 , C08L33/02
摘要： A particulate water absorbing agent of the present invention is a water absorbing agent containing a water absorbing resin as a main component, the particulate water absorbing agent containing a polyvalent metal cation and satisfying: (1) the polyvalent metal cation is contained in an amount between 0.001 wt % and 5 wt % relative to the amount of the water absorbing agent; (2) an absorbency without pressure (CRC) is not less than 28 (g/g) and an absorbency against pressure (AAP 4.83 kPa) is not less than 10 (g/g); (3) the absorbency against pressure and the absorbency without pressure satisfy 77≦AAP (4.83 kPa)+1.8×CRC≦100; and (4) a moisture content of the water absorbing agent is between 5 wt % and 20 wt %. This provides a water absorbing agent which has blocking resistance after moisture absorption, is excellent in stability to shock and suppresses Re-Wet when used in a diaper.
摘要翻译： 本发明的颗粒状吸水剂是含有吸水性树脂作为主要成分的吸水剂，含有多价金属阳离子的颗粒状吸水剂，满足：（1）多价金属阳离子的含量为 0.001重量％和5重量％; （2）无压吸收率（CRC）不小于28（g / g），抗压吸收性（AAP 4.83kPa）不小于10（g / g）; （3）抗压吸收性和无压吸收性满足77＆nlE; AAP（4.83kPa）+ 1.8×CRC＆nlE; 100; 和（4）吸水剂的水分含量在5重量％至20重量％之间。 这提供了一种在吸湿后具有抗粘连性的吸水剂，对休克的稳定性优异，并且当在尿布中使用时抑制Re-Wet。
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公开(公告)号：US20060204755A1
公开(公告)日：2006-09-14
申请号：US10544337
申请日：2004-02-02
申请人： Kazushi Torii , Yoshiro Mitsukami , Motohiro Imura , Taku Iwamura
发明人： Kazushi Torii , Yoshiro Mitsukami , Motohiro Imura , Taku Iwamura
IPC分类号： B32B5/16
CPC分类号： C08J3/245 , A61L15/60 , Y10T428/2982
摘要： There is disclosed a water-absorbing agent which combines both performances of the capillary suction force and the liquid permeability. This water-absorbing agent is a particulate water-absorbing agent comprising water-absorbent resin particles (α) and a liquid-permeability-enhancing agent (β), wherein the water-absorbent resin particles (α) are surface-crosslink-treated particles of a crosslinked polymer of a monomer including acrylic acid and/or its salt; with the water-absorbing agent being characterized in that the particulate water-absorbing agent has: a mass-average particle diameter (D50) in the range of 234 to 394 gm, a logarithmic standard deviation (σξY) of a particle diameter distribution in the range of 0.25 to 0.45, an absorption capacity without load (CRC) of not less than 15 g/g, and a water-extractable component content of not higher than 15 mass %; and further a liquid-permeability-enhancing agent (β) content in the range of 0.01 to 5 mass parts per 100 mass parts of the water-absorbent resin particles (α).
摘要翻译： 公开了吸水剂，其结合了毛细吸力和液体渗透性的两种性能。 该吸水剂是含有吸水性树脂颗粒（α）和透液性增强剂（β）的颗粒状吸水剂，其中吸水性树脂颗粒（α）是表面交联处理颗粒 的包含丙烯酸和/或其盐的单体的交联聚合物; 吸水剂的特征在于，颗粒状吸水剂的质量平均粒径（D50）在234〜394gm的范围内，粒径分布的对数标准偏差（sigmaxiY）在 范围为0.25〜0.45，无负载吸收容量（CRC）为15g / g以上，水可提取成分含量为15质量％以下; 并且每100质量份吸水性树脂颗粒（α）还含有0.01至5质量份范围内的透液性增强剂（β）含量。
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公开(公告)号：US07638570B2
公开(公告)日：2009-12-29
申请号：US10544337
申请日：2004-02-02
申请人： Kazushi Torii , Yoshiro Mitsukami , Motohiro Imura , Taku Iwamura
发明人： Kazushi Torii , Yoshiro Mitsukami , Motohiro Imura , Taku Iwamura
CPC分类号： C08J3/245 , A61L15/60 , Y10T428/2982
摘要： There is disclosed a water-absorbing agent which combines both performances of the capillary suction force and the liquid permeability. This water-absorbing agent is a particulate water-absorbing agent comprising water-absorbent resin particles (α) and a liquid-permeability-enhancing agent (β), wherein the water-absorbent resin particles (α) are surface-crosslink-treated particles of a crosslinked polymer of a monomer including acrylic acid and/or its salt; with the water-absorbing agent being characterized in that the particulate water-absorbing agent has: a mass-average particle diameter (D50) in the range of 234 to 394 gm, a logarithmic standard deviation (σζ) of a particle diameter distribution in the range of 0.25 to 0.45, an absorption capacity without load (CRC) of not less than 15 g/g, and a water-extractable component content of not higher than 15 mass %; and further a liquid-permeability-enhancing agent (β) content in the range of 0.01 to 5 mass parts per 100 mass parts of the water-absorbent resin particles (α).
摘要翻译： 公开了吸水剂，其结合了毛细吸力和液体渗透性的两种性能。 该吸水剂是含有吸水性树脂颗粒（α）和透液性增强剂（β）的颗粒状吸水剂，其中吸水性树脂颗粒（α）是表面交联处理颗粒 的包含丙烯酸和/或其盐的单体的交联聚合物; 吸水剂的特征在于，颗粒状吸水剂的质量平均粒径（D50）在234〜394gm的范围内，粒径分布的对数标准偏差（sigmazeta）在 范围为0.25〜0.45，无负载吸收容量（CRC）为15g / g以上，水可提取成分含量为15质量％以下; 并且每100质量份吸水性树脂颗粒（α）还含有0.01至5质量份范围内的透液性增强剂（β）含量。
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公开(公告)号：US20090298963A1
公开(公告)日：2009-12-03
申请号：US11721285
申请日：2005-12-09
申请人： Makoto Matsumoto , Yoshiro Mitsukami , Hiroyuki Ikeuchi , Kazushi Torii , Taku Iwamura , Andreas Flohr , Torsten Lindner
发明人： Makoto Matsumoto , Yoshiro Mitsukami , Hiroyuki Ikeuchi , Kazushi Torii , Taku Iwamura , Andreas Flohr , Torsten Lindner
CPC分类号： C08L33/02 , C08F8/44 , C08J3/28 , C08J2300/14 , C08J2333/02 , C08F20/06 , C08L2666/04
摘要： This invention is to provide a method for producing a modified water absorbent resin excelling in water absorbing properties. This invention relates to a method for producing a modified water absorbent resin, which comprises a) mixing a water absorbent resin and a water-soluble radical polymerization initiator or a heat-degradable radical polymerization initiator without addition of an ethylenically unsaturated monomer and b) irradiating the resultant mixture with active energy rays. The method is particularly capable of exalting the absorbency against pressure and the saline flow conductivity.
摘要翻译： 本发明提供一种制造吸水性优异的改性吸水性树脂的方法。 本发明涉及一种改性吸水性树脂的制造方法，该方法包括：a）在不加入烯属不饱和单体的情况下，将吸水性树脂与水溶性自由基聚合引发剂或热降解自由基聚合引发剂混合，b）照射 所得的具有活性能量射线的混合物。 该方法特别能够提高抗压力和盐水流动导电性的吸收性。
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10.发明申请Absorbent members comprising modified water absorbent resin for use in diapers 审中-公开吸收剂构件包括用于尿布的改性吸水性树脂公开(公告)号：US20060128827A1
公开(公告)日：2006-06-15
申请号：US11297965
申请日：2005-12-08
申请人： Makoto Matsumoto , Yoshiro Mitsukami , Hiroyuki Ikeuchi , Kazushi Torii , Taku Iwamura , Andreas Flohr , Torsten Lindner
发明人： Makoto Matsumoto , Yoshiro Mitsukami , Hiroyuki Ikeuchi , Kazushi Torii , Taku Iwamura , Andreas Flohr , Torsten Lindner
IPC分类号： C08J3/28
CPC分类号： C08J3/28 , A61L15/60 , C08J2333/02
摘要： An absorbent member for use in disposable diapers, wherein the absorbent member comprises a modified water absorbent resin. The modified water absorbent resin is made according to the method which comprises a) mixing a water absorbent resin and a water-soluble radical polymerization initiator or a heat-degradable radical polymerization initiator without addition of an ethylenically unsaturated monomer and b) irradiating the resultant mixture with active energy rays. The method is particularly capable of exalting the absorbency against pressure and the saline flow conductivity.
摘要翻译： 一种用于一次性尿布的吸收件，其中吸收件包括改性吸水树脂。 改性吸水性树脂根据以下方法制备：a）将混合吸水性树脂和水溶性自由基聚合引发剂或热降解自由基聚合引发剂混合，不加入烯属不饱和单体，b）照射所得混合物 具有活跃的能量射线。 该方法特别能够提高抗压力和盐水流动导电性的吸收性。
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