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：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：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。

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。

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

IPC分类号： C08L31/02 ,  A61L15/60

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。

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。

公开(公告)号：US07879923B2

公开(公告)日：2011-02-01

申请号：US11721293

申请日：2005-12-09

申请人： Makoto Matsumoto ,  Yoshiro Mitsukami ,  Hiroyuki Ikeuchi ,  Kazushi Torii ,  Taku Iwamura

发明人： Makoto Matsumoto ,  Yoshiro Mitsukami ,  Hiroyuki Ikeuchi ,  Kazushi Torii ,  Taku Iwamura

IPC分类号： C08J7/16 ,  C08J7/18 ,  A61L15/60 ,  C08L33/02

CPC分类号： C08F265/00 ,  C08F265/02 ,  C08J3/28 ,  C08J7/18 ,  C08J2300/14 ,  C08J2333/02 ,  C08L51/003 ,  C08L2666/02

摘要： This invention is to provide a method for surface-treatment of a water absorbent resin excelling in water absorption properties. This invention relates to a method for the surface-treatment of a water absorbent resin, which comprises: a) mixing 100 parts by weight of a water absorbent resin, 0.01-20 parts by weight of at least one radical polymerization initiator selected from the group consisting of persulfates, hydrogen peroxide, and azo compounds, and a radically polymerizing compound and b) irradiating the resultant mixture with active energy rays. The treatment particularly exalts the absorption ratio against pressure and the saline flow conductivity.

摘要翻译： 本发明提供一种吸水性树脂表面处理方法，其吸水性优异。 本发明涉及一种表面处理吸水性树脂的方法，其包括：a）将100重量份的吸水性树脂，0.01-20重量份的至少一种选自下组的自由基聚合引发剂 由过硫酸盐，过氧化氢和偶氮化合物组成，和自由基聚合化合物，和b）用活性能量射线照射所得混合物。 该处理特别提高了对压力和盐水流动传导率的吸收比。

公开(公告)号：US07803880B2

公开(公告)日：2010-09-28

申请号：US10572565

申请日：2004-09-17

申请人： Kazushi Torii ,  Hirofumi Shibata ,  Taku Iwamura ,  Yoshio Irie ,  Yorimichi Dairoku ,  Yoshiro Mitsukami ,  Sayaka Machida

发明人： Kazushi Torii ,  Hirofumi Shibata ,  Taku Iwamura ,  Yoshio Irie ,  Yorimichi Dairoku ,  Yoshiro Mitsukami ,  Sayaka Machida

IPC分类号： C08F20/02

CPC分类号： C08J3/245 ,  A61L15/60 ,  B01J20/261 ,  B01J2220/68 ,  C08F20/06 ,  C08J2333/00

摘要： An object of the present invention is to provide a water absorbent having excellent gel properties and showing excellent properties when used in a water-absorbing material of a sanitary/hygienic material such as paper diaper. Moreover, another object of the present invention is to provide a water absorbent which is safe and excellent in liquid permeability, and in which an amount of liquid permeability improver for improving the liquid permeability is reduced. The water absorbent is made from a water-absorbing resin prepared by a specific polymerization method and having a high degree of cross-linking, a high liquid holding property and a high gel strength (its swelling pressure of gel layer of is 35 kdyne/cm2 or more). This water absorbent is further processed to have a particular particle size distribution (95 wt % or more of its particles are less than 850ƒÊm but not less than 106ƒÊm, and logarithmic standard deviation (ƒĐƒÄ) is in a range of 0.25 to 0.45) and then surface cross-linked. After that, a liquid permeability improver is added therein.

摘要翻译： 本发明的目的是提供一种具有优异凝胶性能的吸水剂，并且当用于诸如纸尿布的卫生/卫生材料的吸水材料时显示出优异的性能。 此外，本发明的另一个目的是提供一种安全且透液性优异的吸水剂，其中用于提高液体渗透性的液体渗透性改进剂的量减少。 吸水剂由具有高交联度，高液体保持性和高凝胶强度（凝胶层的溶胀压力为35kDyne / cm2）的特定聚合方法制成的吸水性树脂 或者更多）。 该吸水剂被进一步处理以具有特定的粒度分布（其颗粒的95重量％或更多小于850度，但不小于106度，对数标准偏差（ƒðƒÄ）在0.25至0.45的范围内），然后 表面交联。 之后，加入液体渗透性改进剂。

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

IPC分类号： C08J3/28 ,  C08F20/06

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。

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。