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公开(公告)号：US20090131255A1
公开(公告)日：2009-05-21
申请号：US12088354
申请日：2006-09-25
IPC分类号： B01J20/26
CPC分类号： C08F220/06 , C08F222/1006
摘要： The present invention provides an aqueous-liquid-absorbing agent which comprises water-absorbent resin particles as essential components and is suitable for uses in sanitary materials. The 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 having a carboxyl group, and have a crosslinked structure in their inside, the aqueous-liquid-absorbing agent exhibiting a water absorption capacity (CRC) of 5 to 25 g/g and a saline flow conductivity (SFC) of not less than 1216 cm3·s·10−7/g.
摘要翻译： 本发明提供一种吸水性树脂颗粒作为必需成分的水性液体吸收剂，适用于卫生材料。 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含水液体吸收剂，其中，吸水性树脂粒子是通过以下工序得到的： 具有羧基的可溶性烯键式不饱和单体，其内部具有交联结构，表现出吸水容量（CRC）为5〜25g / g，盐水流动电导率（SFC）为5〜25g / g的水性液体吸收剂 小于1216厘米3.s.10-7 /克。
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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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23.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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公开(公告)号：US20070225422A1
公开(公告)日：2007-09-27
申请号：US11723822
申请日：2007-03-22
IPC分类号： C08F2/16
CPC分类号： C08F2/44 , C08F220/06 , C08F222/1006
摘要： The present invention provides a highly productive method for manufacturing a water-absorbing resin, the amounts of fine powder and dust of which are small, the amount of residual monomer of which is small, and whose absorption rate is high. That is, the method for manufacturing the water-absorbing resin of the present invention is a method for crosslinking and polymerizing an aqueous solution of an acid-group containing unsaturated monomer, and is characterized in that stationary polymerization is carried out in such a manner that a solid matter is added to the monomer aqueous solution, and an initiation temperature of the polymerization is adjusted to 40° C. or more or a maximum temperature of the polymerization is adjusted to 100° C. or more.
摘要翻译： 本发明提供了一种制造吸水性树脂的高效生产方法，其粉末和粉尘的量少，残留单体的量少，吸收率高。 也就是说，本发明的吸水性树脂的制造方法是使含酸基的不饱和单体的水溶液进行交联和聚合的方法，其特征在于，以下述方式进行固定聚合： 将固体物质加入到单体水溶液中，并将聚合的起始温度调节至40℃以上或将聚合的最高温度调节至100℃以上。
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公开(公告)号：US20070106013A1
公开(公告)日：2007-05-10
申请号：US10562140
申请日：2004-06-23
申请人： Yoshifumi Adachi , Takahiro Kitano , Shinichi Fujino , Katsuyuki Wada , Kazushi Torii , Taku Iwamura , Sayaka Machida
发明人： Yoshifumi Adachi , Takahiro Kitano , Shinichi Fujino , Katsuyuki Wada , Kazushi Torii , Taku Iwamura , Sayaka Machida
IPC分类号： C09D5/02
CPC分类号： A61L15/60 , A61F2013/530686 , A61F2013/530744
摘要： The production method of a water absorbent resin composition including a particulate water absorbent resin, wherein: 95 wt % or more of particles whose particle diameter is less than 850 μm and not less, than 106 μm are contained, and a weight average particle diameter of the particles is less than 500 μm and not less than 300 μm and a logarithmic standard deviation (σξ) of a particle size distribution is 0.45 or less, and a water-soluble component of the water absorbent composition is 35 wt % or less, and a multivalent metal component is contained, and an extraction rate of the multivalent metal component is 5.0 wt % or more and less than 100 wt %, thereby providing the water absorbent resin composition, free from any coagulation of particles in high humidity, which has superior absorbent property in terms of an absorbency and a diffusing absorbency under pressure.
摘要翻译： 含有颗粒状吸水性树脂的吸水性树脂组合物的制造方法，其中含有95重量％以上的粒径小于850μm，不小于106μm的颗粒，重量平均粒径为 粒子小于500μm且不小于300μm，粒度分布的对数标准偏差（sigmaxi）为0.45以下，吸水性组合物的水溶性成分为35重量％以下， 含有多价金属成分，多价金属成分的提取率为5.0重量％以上且小于100重量％，因此提供了在高湿度下没有任何凝结的高吸湿性树脂组合物，其具有优异的 就吸收性而言，在压力下的扩散吸收性。
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26.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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公开(公告)号：US09115235B2
公开(公告)日：2015-08-25
申请号：US12295495
申请日：2007-08-31
IPC分类号： C08F36/14 , C08F220/00 , A61L15/60 , B01J20/26
CPC分类号： C08F220/00 , A61L15/60 , B01J20/267 , C08F2/14
摘要： A water absorbing agent includes water absorbent resin particles which are obtained by polymerizing a water-soluble ethylenic unsaturated monomer and which internally include a cross-linked structure, wherein a pressurized void average radius index is 140 or more. As a result, it is possible to provide a water absorbing agent which essentially includes water absorbent resin particles and is suitable for use in a sanitary material. Specifically, it is possible to improve not only a performance for absorbing and retaining aqueous liquid without pressure or under pressure but also (i) a performance for quickly absorbing aqueous liquid with a great help of a performance of a fibrous material, (ii) a performance for dispersing the aqueous liquid after absorbing the aqueous liquid, and (iii) a performance for retaining the aqueous liquid after absorbing the aqueous liquid.
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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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29.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：US20100240823A1
公开(公告)日：2010-09-23
申请号：US12680740
申请日：2008-11-26
CPC分类号： A61L15/60 , C08G65/3322 , C08J3/12 , C08J2300/14 , C08L33/02 , C08L71/02 , C08L101/14 , C08L2205/05 , C08L2666/04
摘要： The present invention provides a water-absorbing agent that includes water-absorbent resin particles as essential components and is suitable for a sanitary material.A water-absorbing agent of the present invention includes water-absorbent resin particles obtained by polymerizing an unsaturated monomer having an acid group. The water-absorbing agent has centrifuge retention capacity (CRC) of 5 to 20 g/g and includes: a compound with a structure unit derived from polyalkyleneglycol other than the unsaturated monomer; and a multivalent metal salt, and accordingly the water-absorbing agent has high saline flow conductivity (SFC) in a range of the above centrifuge retention capacity (CRC).
摘要翻译： 本发明提供一种吸水剂，其包含作为必要成分的吸水性树脂粒子，适用于卫生材料。 本发明的吸水剂包括通过聚合具有酸基的不饱和单体获得的吸水性树脂颗粒。 吸水剂具有5至20g / g的离心保留容量（CRC），并且包括：具有衍生自不饱和单体以外的聚亚烷基二醇的结构单元的化合物; 和多价金属盐，因此吸水剂在上述离心保留容量（CRC）的范围内具有高的盐水流动电导率（SFC）。
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