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

CPC分类号： C08J3/245 ,  A61L15/24 ,  A61L15/60 ,  C08J2333/02 ,  C08K5/053 ,  C08L33/02

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）。

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

CPC分类号： C08J3/245 ,  A61L15/24 ,  A61L15/60 ,  C08J2333/02 ,  C08K5/053 ,  C08L33/02

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）。

公开(公告)号：US20070207924A1

公开(公告)日：2007-09-06

申请号：US10593706

申请日：2005-03-11

申请人： Hiroyuki Ikeuchi ,  Kazushi Torii ,  Shigeru Sakamoto ,  Taku Iwamura ,  Sayaka Machida

发明人： Hiroyuki Ikeuchi ,  Kazushi Torii ,  Shigeru Sakamoto ,  Taku Iwamura ,  Sayaka Machida

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。

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

IPC分类号： A61F13/15 ,  A61F13/20

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。

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。

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。

公开(公告)号：US07981833B2

公开(公告)日：2011-07-19

申请号：US10593706

申请日：2005-03-11

申请人： Hiroyuki Ikeuchi ,  Kazushi Torii ,  Shigeru Sakamoto ,  Taku Iwamura ,  Sayaka Machida

发明人： Hiroyuki Ikeuchi ,  Kazushi Torii ,  Shigeru Sakamoto ,  Taku Iwamura ,  Sayaka Machida

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％。

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

IPC分类号： A61F13/53 ,  A61F13/15 ,  A61F13/49 ,  B01J20/26

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。

公开(公告)号：US08497226B2

公开(公告)日：2013-07-30

申请号：US12805685

申请日：2010-08-13

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： B01J20/26 ,  C08F20/06

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％以上小于850微米但不小于106微米，对数标准偏差（fDfÄ）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：US20100308263A1

公开(公告)日：2010-12-09

申请号：US12805685

申请日：2010-08-13

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： B01J20/26 ,  C08F120/06

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。