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1. 发明授权

US08975339B2 Surface treatment method for water-absorbent resin 有权
标题翻译：吸水树脂的表面处理方法
公开(公告)号：US08975339B2
公开(公告)日：2015-03-10
申请号：US12678856
申请日：2008-10-08
申请人： Yoshiro Mitsukami , Taku Iwamura , Makoto Matsumoto
发明人： Yoshiro Mitsukami , Taku Iwamura , Makoto Matsumoto
IPC分类号： C08J3/24 , C08F20/06 , C08F265/02
CPC分类号： C08J3/245 , C08J2300/14
摘要： Provided is a surface treatment method for a water-absorbent resin having excellent production efficiency, absorption capacity against pressure, fluid permeability or the like. Provided is a method for the surface treatment of a water-absorbent resin which comprises a) a step for mixing 0.1 to 20 parts by weight of an acid group-containing radically polymerizable compound and 5 to 20 parts by weight of water, relative to 100 parts by weight of a water-absorbent resin; and b) a step for polymerizing the acid group-containing radically polymerizable compound, wherein neutralization ratio of the acid group-containing radically polymerizable compound is 0 to 60% by mol, and is lower than neutralization ratio of the water-absorbent resin.
摘要翻译：提供了具有优异的生产效率，对压力的吸收能力，流体渗透性等的吸水性树脂的表面处理方法。本发明提供一种吸水性树脂的表面处理方法，该方法包括：a）将0.1〜20重量份含酸基的自由基聚合性化合物和5〜20重量份的水相对于100 吸水树脂重量份; 和b）使含酸基的自由基聚合性化合物的中和率为0〜60摩尔％，并且低于吸水性树脂的中和率的含有酸基的自由基聚合性化合物的工序。

2. 发明申请

US20100261850A1 SURFACE TREATMENT METHOD FOR WATER-ABSORBENT RESIN 有权
标题翻译：吸水树脂的表面处理方法
公开(公告)号：US20100261850A1
公开(公告)日：2010-10-14
申请号：US12678856
申请日：2008-10-08
申请人： Yoshiro Mitsukami , Taku Iwamura , Makoto Matsumoto
发明人： Yoshiro Mitsukami , Taku Iwamura , Makoto Matsumoto
IPC分类号： C08F120/06 , C08F2/46
CPC分类号： C08J3/245 , C08J2300/14
摘要： Provided is a surface treatment method for a water-absorbent resin having excellent production efficiency, absorption capacity against pressure, fluid permeability or the like. Provided is a method for the surface treatment of a water-absorbent resin which comprises a) a step for mixing 0.1 to 20 parts by weight of an acid group-containing radically polymerizable compound and 5 to 20 parts by weight of water, relative to 100 parts by weight of a water-absorbent resin; and b) a step for polymerizing the acid group-containing radically polymerizable compound, wherein neutralization ratio of the acid group-containing radically polymerizable compound is 0 to 60% by mol, and is lower than neutralization ratio of the water-absorbent resin.
摘要翻译：提供了具有优异的生产效率，对压力的吸收能力，流体渗透性等的吸水性树脂的表面处理方法。本发明提供一种吸水性树脂的表面处理方法，该方法包括：a）将0.1〜20重量份含酸基的自由基聚合性化合物和5〜20重量份的水相对于100 吸水树脂重量份; 和b）使含酸基的自由基聚合性化合物的中和率为0〜60摩尔％，并且低于吸水性树脂的中和率的含有酸基的自由基聚合性化合物的工序。

3. 发明授权

US07786182B2 Method for production of water absorbing agent 有权
标题翻译：吸水剂生产方法
公开(公告)号：US07786182B2
公开(公告)日：2010-08-31
申请号：US12065922
申请日：2006-09-15
申请人： Taku Iwamura , Yoshiro Mitsukami
发明人： Taku Iwamura , Yoshiro Mitsukami
IPC分类号： B29C71/04 , C08F290/14 , C08G18/62
CPC分类号： C08J3/28 , B01J20/26 , B01J20/264 , B01J20/30 , B01J20/3217 , B01J20/3272 , B01J20/3278 , B01J2220/68 , C08J2300/14 , C08J2333/02
摘要： The present invention provides a method for producing a water absorbing agent which excels in water absorption properties. In detail, the present invention provides a method for the production of a water absorbing agent, comprising a) a step of mixing a water absorbing resin, water, and a mixing aid without adding a water-soluble radical polymerization initiator and an ethylenically unsaturated monomer and b) a step of irradiating the resultant mixture with ultraviolet rays while keeping the mixture with flowed state.
摘要翻译：本发明提供一种吸水性优异的吸水剂的制造方法。详细地说，本发明提供一种吸水剂的制造方法，其特征在于，包括：a）在不添加水溶性自由基聚合引发剂和烯属不饱和单体的情况下，混合吸水性树脂，水和混合助剂的工序以及b）在保持混合物具有流动状态的同时用紫外线照射所得混合物的步骤。

4. 发明申请

US20090298963A1 METHOD FOR PRODUCTION OF MODIFIED WATER ABSORBENT RESIN 审中-公开
标题翻译：生产改性吸水树脂的方法
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。

5. 发明申请

US20090234314A1 Water-Absorbent Resin Composition, Method of Manufacturing the Same, and Absorbent Article 有权
标题翻译：吸水性树脂组合物，其制造方法和吸收性物品
公开(公告)号：US20090234314A1
公开(公告)日：2009-09-17
申请号：US12083238
申请日：2006-12-19
申请人： Masatoshi Nakamura , Koji Miyake , Taku Iwamura , Yusuke Watanabe
发明人： Masatoshi Nakamura , Koji Miyake , Taku Iwamura , Yusuke Watanabe
IPC分类号： A61F13/15 , C08L67/00
CPC分类号： C08L101/14 , C08L33/02 , C08L2312/00
摘要： In one embodiment of the present invention, a water-absorbent resin composition is provided which shows only small reduction in liquid permeability and limited coloring over time or in relation to another factor. The water-absorbent resin composition (particulate absorbent agent) of the present invention contains: a polycarboxylate-based water-absorbent resin as a primary component, the resin having a crosslinked structure formed by polymerization of an acid group-containing unsaturated monomer; and multivalent metal cations (preferably, on surfaces of particles (i.e., the water-absorbent resin composition)) wherein: the multivalent metal cations other than Fe cations account for 0.001 to 1 mass % of the water-absorbent resin; and the ratio of the Fe cations to the multivalent metal cations other than the Fe cations is less than or equal to 5.00 mass %.
摘要翻译：在本发明的一个实施方案中，提供一种吸水性树脂组合物，其显示出随着时间或与另一个因素相关的液体渗透性和有限着色的微小的降低。本发明的吸水性树脂组合物（颗粒状吸收剂）含有：作为主要成分的聚羧酸酯系吸水性树脂，具有通过含酸基的不饱和单体的聚合形成的交联结构的树脂; 和多价金属阳离子（优选在颗粒表面（即吸水性树脂组合物）），其中：Fe阳离子以外的多价金属阳离子占吸水性树脂的0.001〜1质量％ Fe阳离子与Fe阳离子以外的多价金属阳离子的比例小于或等于5.00质量％。

6. 发明申请

US20080139693A1 Particulate Water-Absorbent Resin Composition and its Production Process 有权
标题翻译：颗粒吸水树脂组合物及其制备方法
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）。

7. 发明申请

US20060128827A1 Absorbent members comprising modified water absorbent resin for use in diapers 审中-公开
标题翻译：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。

8. 发明申请

US20120184670A1 PARTICULATE WATER ABSORBENT AND PROCESS FOR PRODUCTION THEREOF 有权
标题翻译：颗粒吸水剂及其生产方法
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。

9. 发明授权

US07981833B2 Aqueous-liquid-absorbing agent and its production process 有权
标题翻译：含水液体吸收剂及其制备方法
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％。

10. 发明授权

US07960469B2 Water absorbent resin composition and production method thereof 有权
标题翻译：吸水性树脂组合物及其制造方法
公开(公告)号：US07960469B2
公开(公告)日：2011-06-14
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： C08L33/00 , C08F220/04 , C08K3/10 , C08K3/08 , C08L29/04
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且不小于106μm的颗粒，重均粒径为颗粒小于500μm且不小于300μm，并且颗粒尺寸分布的对数标准偏差（＆amp; mgr）为0.45或更小，并且吸水组合物的水溶性组分为35重量％或并且含有多价金属成分，多价金属成分的提取率为5.0重量％以上且小于100重量％，从而提供在高湿度下没有任何凝结的吸水性树脂组合物，其在压力下的吸收性和扩散吸收性方面具有优异的吸收性。

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