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公开(公告)号：US20070207924A1
公开(公告)日：2007-09-06
申请号：US10593706
申请日：2005-03-11
IPC分类号： B01J20/26
CPC分类号： C08J3/245
摘要： An object of the present invention is to provide an aqueous-liquid-absorbing agent which comprises water-absorbent resin particles as essential components and is suitable for uses in sanitary materials. As a means of achieving this object, an aqueous-liquid-absorbing agent according to the present invention is an aqueous-liquid-absorbing agent comprising water-absorbent resin particles as essential components, wherein the water-absorbent resin particles are obtained by a process including the step of polymerizing a water-soluble ethylenically unsaturated monomer and have a crosslinked structure in their inside; with the aqueous-liquid-absorbing agent exhibiting an absorption rate (FSR) of not less than 0.2 g/g/s, a water absorption capacity (CRC) of 5 to 25 g/g, a saline flow conductivity (SFC) of not less than 400×10−7 cm3·s/g, and a wet porosity of not less than 20%. A process according to the present invention for obtaining such an aqueous-liquid-absorbing agent is characterized by comprising the steps of: obtaining a hydrogel from an aqueous monomer solution including a water-soluble ethylenically unsaturated monomer and an internal-crosslinking agent of not less than 0.2 mol % in ratio to the monomer; and then extruding this hydrogel from a perforated structure having perforation diameters in the range of 0.3 to 6.4 mm to thereby pulverize the hydrogel.
摘要翻译： 本发明的目的是提供一种含水吸收剂，其包含作为必需成分的吸水性树脂粒子，适用于卫生材料。 作为实现该目的的手段，本发明的水性液体吸收剂是以吸水性树脂粒子为必须成分的水性液体吸收剂，其中吸水性树脂粒子是通过 包括聚合水溶性烯键式不饱和单体并在其内部具有交联结构的步骤; 吸水率（FSR）为0.2g / g / s以上，吸水容量（CRC）为5〜25g / g，盐水流动电导率（SFC）不为 小于400×10 -3 cm 3 / g，湿气孔率不小于20％。 根据本发明的用于获得这种水性液体吸收剂的方法的特征在于包括以下步骤：从包含水溶性烯键式不饱和单体和不少于少量的内部交联剂的单体水溶液获得水凝胶 与单体的比例为0.2摩尔％以上; 然后从穿孔直径在0.3至6.4mm范围内的穿孔结构体挤出该水凝胶，从而粉碎水凝胶。
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公开(公告)号：US08735646B2
公开(公告)日：2014-05-27
申请号：US11091255
申请日：2005-03-28
申请人： Holger Beruda , Yasue Nakagawa , Mattias Schmidt , Hiroyuki Ikeuchi , Kazushi Torii , Shigeru Sakamoto , Taku Iwamura , Sayaka Machida
发明人： Holger Beruda , Yasue Nakagawa , Mattias Schmidt , Hiroyuki Ikeuchi , Kazushi Torii , Shigeru Sakamoto , Taku Iwamura , Sayaka Machida
CPC分类号： A61F13/15634 , A61F13/5376 , A61F2013/15422 , A61F2013/53051 , A61F2013/5307
摘要： An absorbent article that has a thin, conformable absorbent core where the core has at least two layers, both of which are substantially free of cellulosic fibers is described. The first layer is intended to provide storage for the majority of acquired fluids and has an AAP of at least about 20 g/g and the second layer, which provides temporary capacity for the bulk of the acquired fluid and permanent storage for at least a portion thereof, comprises a second absorbent polymer material which has a Wet Permeability of at least about 400×10−7 (cm3 seconds)/g a ratio of Wet Permeability to SFC of at least about 1.5:1 with respect to the first absorbent polymer material.
摘要翻译： 描述了一种吸收制品，其具有薄的适形吸收芯，其中芯具有至少两层，两者都基本上不含纤维素纤维。 第一层旨在为大多数获得的流体提供储存，并具有至少约20g / g的AAP和第二层，其为大部分所获得的流体提供临时容量，并为至少一部分提供永久性储存 其具有相对于第一吸收性聚合物材料具有至少约400×10 -7（cm 3·秒）/湿度渗透性与SFC的至少约1.5:1的湿渗透率/湿比的第二吸收性聚合物材料。
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公开(公告)号：US07981833B2
公开(公告)日：2011-07-19
申请号：US10593706
申请日：2005-03-11
IPC分类号： B01J20/26
CPC分类号： C08J3/245
摘要： An object of the present invention is to provide an aqueous-liquid-absorbing agent which comprises water-absorbent resin particles as essential components and is suitable for uses in sanitary materials. As a means of achieving this object, an aqueous-liquid-absorbing agent according to the present invention is an aqueous-liquid-absorbing agent comprising water-absorbent resin particles as essential components, wherein the water-absorbent resin particles are obtained by a process including the step of polymerizing a water-soluble ethylenically unsaturated monomer and have a crosslinked structure in their inside; with the aqueous-liquid-absorbing agent exhibiting an absorption rate (FSR) of not less than 0.2 g/g/s, a water absorption capacity (CRC) of 5 to 25 g/g, a saline flow conductivity (SFC) of not less than 400×10−7 cm3·s/g, and a wet porosity of not less than 20%.
摘要翻译： 本发明的目的是提供一种含水吸收剂，其包含作为必需成分的吸水性树脂粒子，适用于卫生材料。 作为实现该目的的手段，本发明的水性液体吸收剂是以吸水性树脂粒子为必须成分的水性液体吸收剂，其中吸水性树脂粒子是通过 包括聚合水溶性烯键式不饱和单体并在其内部具有交联结构的步骤; 吸水率（FSR）为0.2g / g / s以上，吸水容量（CRC）为5〜25g / g，盐水流动电导率（SFC）不为 小于400×10-7 cm3·s / g，湿气孔率不小于20％。
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公开(公告)号：US20050222547A1
公开(公告)日：2005-10-06
申请号：US11091255
申请日：2005-03-28
申请人： Holger Beruda , Yasue Nakagawa , Mattias Schmidt , Hiroyuki Ikeuchi , Kazushi Torii , Shigeru Sakamoto , Taku Iwamura , Sayaka Machida
发明人： Holger Beruda , Yasue Nakagawa , Mattias Schmidt , Hiroyuki Ikeuchi , Kazushi Torii , Shigeru Sakamoto , Taku Iwamura , Sayaka Machida
CPC分类号： A61F13/15634 , A61F13/5376 , A61F2013/15422 , A61F2013/53051 , A61F2013/5307
摘要： An absorbent article that has a thin, conformable absorbent core where the core has at least two layers, both of which are substantially free of cellulosic fibers is described. The first layer is intended to provide storage for the majority of acquired fluids and has an AAP of at least about 20 g/g and the second layer, which provides temporary capacity for the bulk of the acquired fluid and permanent storage for at least a portion thereof, comprises a second absorbent polymer material which has a Wet Permeability of at least about 400×10−7 (cm3 seconds)/g a ratio of Wet Permeability to SFC of at least about 1.5:1 with respect to the first absorbent polymer material.
摘要翻译： 描述了一种吸收制品，其具有薄的适形吸收芯，其中芯具有至少两层，两者都基本上不含纤维素纤维。 第一层旨在为大多数获得的流体提供储存，并具有至少约20g / g的AAP和第二层，其为大部分所获得的流体提供临时容量，并为至少一部分提供永久性储存 其具有第二吸收性聚合物材料，该第二吸收性聚合物材料至少具有至少约400×10 -7（cm 3 /秒）/湿渗透性与SFC之间的渗透率 相对于第一吸收性聚合物材料为约1.5:1。
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公开(公告)号：US20080139693A1
公开(公告)日：2008-06-12
申请号：US10577355
申请日：2004-11-05
申请人： Hiroyuki Ikeuchi , Kazushi Torii , Taku Iwamura , Sayaka Machida , Hiroko Okochi
发明人： Hiroyuki Ikeuchi , Kazushi Torii , Taku Iwamura , Sayaka Machida , Hiroko Okochi
IPC分类号： C08K5/053
摘要： An object of the present invention is to provide a particulate water-absorbent resin composition and its production process, wherein the particulate water-absorbent resin composition is an enhanced one in both of the “liquid permeability” and “liquid-sucking-up property” (which have hitherto been antithetical physical properties) of the water-absorbent resin. As a means of achieving this object, a first particulate water-absorbent resin composition according to the present invention is a particulate water-absorbent resin composition comprising a water-absorbent resin (A) of a crosslinked structure obtained by polymerizing an acid-group-containing unsaturated monomer, with the composition being characterized by: having a particle size such that particles in the range of 850 to 150 μm (but not including 850 μm) account for not less than 90 weight % of the entirety; and containing a tetra- or more functional polyol (B) at least on surfaces.
摘要翻译： 本发明的目的在于提供一种颗粒状吸水性树脂组合物及其制造方法，其特征在于，所述颗粒状吸水性树脂组合物是“液体渗透性”和“吸液性” （其迄今为止为对称物理性质）的吸水性树脂。 作为实现该目的的手段，本发明的第一粒状吸水性树脂组合物是含有吸水性树脂（A）的颗粒状吸水性树脂组合物，所述吸水性树脂（A）是将酸 - 所述组合物的特征在于：具有使得在850〜150μm（但不包括850μmum）的范围内的颗粒占整个体积不小于90wt％的粒径; 并且至少在表面上含有四官能以上的多元醇（B）。
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6.发明授权Water-absorbent resin having treated surface and process for producing the same 有权具有处理表面的吸水性树脂及其制造方法公开(公告)号：US07402643B2
公开(公告)日：2008-07-22
申请号：US10941873
申请日：2004-09-16
申请人： Kazushi Torii , Taku Iwamura , Hiroyuki Ikeuchi , Sayaka Machida
发明人： Kazushi Torii , Taku Iwamura , Hiroyuki Ikeuchi , Sayaka Machida
IPC分类号： C08F20/06 , C08F120/06
CPC分类号： A61L15/60 , C08F8/42 , C08F2810/20 , C08J3/245 , C08J2300/14 , C08F220/06
摘要： An object of the present invention is to provide: a water-absorbent resin which can sufficiently overcome the problem of the gel blocking, can manifest sufficient absorption capacity without load and sufficient absorption capacity under load and, at the same time, can also exert excellent liquid permeability under load; and a process for producing the same. As a means of achieving this object, a first production process among the processes according to the present invention for producing a water-absorbent resin having a treated surface is a process comprising: a step of mixing a water-absorbent resin having an internal crosslinked structure obtained by polymerizing a monomer containing acrylic acid and/or a salt thereof as a main component, a complex containing a polyvalent metal atom as a central atom and an organic secondary crosslinking agent in the presence of an aqueous liquid; and a step of crosslinking a surface of the water-absorbent resin with the organic secondary crosslinking agent. And a second production process is a process comprising a step of mixing a water-absorbent resin having an internal crosslinked structure and a crosslinked surface obtained by polymerizing a monomer containing acrylic acid and/or a salt thereof as a main component, and a complex containing a polyvalent metal atom as a central atom in the presence of an aqueous liquid.
摘要翻译： 本发明的目的是提供：能够充分克服凝胶堵塞问题的吸水性树脂，能够显示足够的负载吸收能力和负载下的充分吸收能力，同时也能发挥优异的吸收性 负载下液体渗透性; 及其制造方法。 作为实现该目的的手段，根据本发明的用于制备具有处理表面的吸水性树脂的方法中的第一制备方法是包括以下步骤：将具有内部交联结构的吸水性树脂 通过使含有丙烯酸和/或其盐的单体作为主要成分，含有多价金属原子作为中心原子的配合物和有机二次交联剂在含水液体的存在下聚合而获得的; 以及用有机二次交联剂使吸水性树脂的表面交联的工序。 第二制造方法是将具有内部交联结构的吸水性树脂与通过聚合含有丙烯酸和/或其盐的单体作为主要成分而得到的交联表面混合的工序，以及含有 在含水液体存在下作为中心原子的多价金属原子。
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7.发明申请Water-absorbent resin having treated surface and process for producing the same 有权具有处理表面的吸水性树脂及其制造方法公开(公告)号：US20050070671A1
公开(公告)日：2005-03-31
申请号：US10941873
申请日：2004-09-16
申请人： Kazushi Torii , Taku Iwamura , Hiroyuki Ikeuchi , Sayaka Machida
发明人： Kazushi Torii , Taku Iwamura , Hiroyuki Ikeuchi , Sayaka Machida
IPC分类号： A61L15/60 , C08F2/10 , C08F8/00 , C08F226/02
CPC分类号： A61L15/60 , C08F8/42 , C08F2810/20 , C08J3/245 , C08J2300/14 , C08F220/06
摘要： An object of the present invention is to provide: a water-absorbent resin which can sufficiently overcome the problem of the gel blocking, can manifest sufficient absorption capacity without load and sufficient absorption capacity under load and, at the same time, can also exert excellent liquid permeability under load; and a process for producing the same. As a means of achieving this object, a first production process among the processes according to the present invention for producing a water-absorbent resin having a treated surface is a process comprising: a step of mixing a water-absorbent resin having an internal crosslinked structure obtained by polymerizing a monomer containing acrylic acid and/or a salt thereof as a main component, a complex containing a polyvalent metal atom as a central atom and an organic secondary crosslinking agent in the presence of an aqueous liquid; and a step of crosslinking a surface of the water-absorbent resin with the organic secondary crosslinking agent. And a second production process is a process comprising a step of mixing a water-absorbent resin having an internal crosslinked structure and a crosslinked surface obtained by polymerizing a monomer containing acrylic acid and/or a salt thereof as a main component, and a complex containing a polyvalent metal atom as a central atom in the presence of an aqueous liquid.
摘要翻译： 本发明的目的是提供：能够充分克服凝胶堵塞问题的吸水性树脂，能够显示足够的负载吸收能力和负载下的充分吸收能力，同时也能发挥优异的吸收性 负载下液体渗透性; 及其制造方法。 作为实现该目的的手段，根据本发明的用于制备具有处理表面的吸水性树脂的方法中的第一制备方法是包括以下步骤：将具有内部交联结构的吸水性树脂 通过使含有丙烯酸和/或其盐的单体作为主要成分，含有多价金属原子作为中心原子的配合物和有机二次交联剂在含水液体的存在下聚合而获得的; 以及用有机二次交联剂使吸水性树脂的表面交联的工序。 第二制造方法是将具有内部交联结构的吸水性树脂与通过聚合含有丙烯酸和/或其盐的单体作为主要成分而得到的交联面的工序，以及含有 在含水液体存在下作为中心原子的多价金属原子。
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8.发明授权公开(公告)号：US07872076B2
公开(公告)日：2011-01-18
申请号：US10577355
申请日：2004-11-05
申请人： Hiroyuki Ikeuchi , Kazushi Torii , Taku Iwamura , Sayaka Machida , Hiroko Okochi
发明人： Hiroyuki Ikeuchi , Kazushi Torii , Taku Iwamura , Sayaka Machida , Hiroko Okochi
IPC分类号： C08F120/06 , C08K5/053
摘要： An object of the present invention is to provide a particulate water-absorbent resin composition and its production process, wherein the particulate water-absorbent resin composition is an enhanced one in both of the “liquid permeability” and “liquid-sucking-up property” (which have hitherto been antithetical physical properties) of the water-absorbent resin. As a means of achieving this object, a first particulate water-absorbent resin composition according to the present invention is a particulate water-absorbent resin composition comprising a water-absorbent resin (A) of a crosslinked structure obtained by polymerizing an acid-group-containing unsaturated monomer, with the composition being characterized by: having a particle size such that particles in the range of 850 to 150 μm (but not including 850 μm) account for not less than 90 weight % of the entirety; and containing a tetra- or more functional polyol (B) at least on surfaces.
摘要翻译： 本发明的目的在于提供一种颗粒状吸水性树脂组合物及其制造方法，其特征在于，所述颗粒状吸水性树脂组合物是“液体渗透性”和“吸液性” （其迄今为止为对称物理性质）的吸水性树脂。 作为实现该目的的手段，本发明的第一粒状吸水性树脂组合物是含有吸水性树脂（A）的颗粒状吸水性树脂组合物，所述吸水性树脂（A）是将酸 - 所述组合物的特征在于：具有使得在850〜150μm（但不包括850μm）范围内的颗粒占整个体积不小于90重量％的粒径; 并且至少在表面上含有四官能以上的多元醇（B）。
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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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10.发明授权Method for producing water absorbent polyacrylic acid (salt) resin powder, and water absorbent polyacrylic acid (salt) resin powder 有权吸水性聚丙烯酸（盐）树脂粉末和吸水性聚丙烯酸（盐）树脂粉末的制造方法公开(公告)号：US09447203B2
公开(公告)日：2016-09-20
申请号：US13639082
申请日：2011-04-07
申请人： Sayaka Machida , Kazushi Torii , Yoko Shirai , Hiroyuki Ikeuchi , Shigeru Sakamoto , Koji Tachi , Reiko Nakatsuru
发明人： Sayaka Machida , Kazushi Torii , Yoko Shirai , Hiroyuki Ikeuchi , Shigeru Sakamoto , Koji Tachi , Reiko Nakatsuru
IPC分类号： B01J20/26 , C08F6/00 , C08F220/06 , C08J3/24 , B29B9/06 , B29C47/00 , B29C47/38 , C08F222/10 , B29C47/30 , B29C47/66 , B29C47/92 , B29B9/16
CPC分类号： B01J20/267 , B01J20/28004 , B01J20/28016 , B01J20/3007 , B01J20/3021 , B01J20/3078 , B01J20/3085 , B29B9/06 , B29B2009/161 , B29C47/0011 , B29C47/30 , B29C47/385 , B29C47/667 , B29C47/92 , B29C2947/9259 , B29C2947/92704 , C08F6/008 , C08F220/06 , C08F220/20 , C08F222/1006 , C08J3/245 , C08J2333/02 , Y10T428/2982 , C08L33/02
摘要： An object of the present invention is to provide a method for producing water absorbent resin powder in which permeability potential (SFC) is improved while a water absorbing rate (FSR) is being kept. The method is a method for producing water absorbent polyacrylic acid (salt) resin powder including the steps of: (i) polymerizing an acrylic acid (salt) monomer aqueous solution; (ii) during or after the step of (i), performing gel grinding of a hydrogel crosslinked polymer obtained by the polymerization, wherein the hydrogel crosslinked polymer has resin solid content of 10 wt % to 80 wt %, and the gel grinding is carried out with gel grinding energy (GGE) of 18 [J/g] to 60 [J/g]; (iii) drying a particulate hydrogel crosslinked polymer obtained by the gel grinding, wherein the drying is performed at 150° C. to 250° C.; and (iv) carrying out a surface treatment to the particulate hydrogel crosslinked polymer thus dried.
摘要翻译： 本发明的目的是提供一种吸水性树脂粉末的制造方法，其中在保持吸水率（FSR）的同时提高渗透率（SFC）。 该方法是生产吸水性聚丙烯酸（盐）树脂粉末的方法，包括以下步骤：（i）使丙烯酸（盐）单体水溶液聚合; （ii）在（i）的步骤期间或之后，进行通过聚合获得的水凝胶交联聚合物的凝胶研磨，其中所述水凝胶交联聚合物的树脂固含量为10重量％至80重量％，并且进行凝胶研磨 （GGE）为18 [J / g]至60 [J / g]; （iii）干燥通过凝胶研磨获得的颗粒状水凝胶交联聚合物，其中干燥在150℃至250℃下进行; 和（iv）对由此干燥的颗粒状水凝胶交联聚合物进行表面处理。
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