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公开(公告)号：US06333109B1
公开(公告)日：2001-12-25
申请号：US09371956
申请日：1999-08-11
IPC分类号： B32B1502
CPC分类号： B01J20/26 , A61L15/60 , C08L101/14 , Y10T428/2982 , Y10T428/31855 , C08L79/00 , C08L33/02 , C08L2666/02
摘要： The present invention has an object to provide a novel water-swellable crosslinked polymer composition which exhibits excellent saltwater absorption speed and capacity under a load. This object can be achieved in the case where, in a water-swellable crosslinked polymer composition comprising a blend of water-swellable crosslinked polymer particles of basicity in water and water-swellable crosslinked polymer particles of acidity in water, the water-swellable crosslinked polymer particles of basicity in water are unified with the water-swellable crosslinked polymer particles of acidity in water through ionic bondings in a state where water is present between the particles, wherein the ionic bondings are formed in a state where water is present between the particles by neutralization of at least part of acid groups of the water-swellable crosslinked polymer particles of acidity in water with the water-swellable crosslinked polymer particles of basicity in water.
摘要翻译： 本发明的目的是提供一种在负荷下表现出优异的盐水吸收速度和容量的新的水溶胀性交联聚合物组合物。 该水溶胀性交联聚合物组合物包含在水中具有碱性的水溶胀性交联聚合物粒子和水中的酸溶性水溶胀性交联聚合物粒子的共混物的水溶胀性交联聚合物组合物的情况下，可以实现该目的， 在水中存在水的状态下，通过离子键合，在水中呈酸性的水溶胀性交联聚合物颗粒与水中的碱度一致，其中在颗粒之间存在水的状态下形成离子键， 在水中具有碱性的水溶胀性交联聚合物颗粒在水中中和酸溶性的水溶胀性交联聚合物颗粒的至少一部分酸基团。
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2.发明授权Water-swellable crosslinked polymer, its composition, and their production processes and uses 有权水溶胀性交联聚合物，其组成及其制备方法和用途公开(公告)号：US06342652B1
公开(公告)日：2002-01-29
申请号：US09643651
申请日：2000-08-21
IPC分类号： A61F1315
CPC分类号： C08J3/12 , C08J3/24 , C08J2300/10 , C08J2300/14 , C08J2379/02 , C08L101/14 , Y10T428/249958 , Y10T428/269 , Y10T428/31855
摘要： The present invention provides a water-swellable crosslinked polymer composition which comprises an anionic crosslinked polymer and a cationic crosslinked polymer, and is excellent in the desalting property and further in the absorption properties under load, and is therefore highly practicable. In a water-swellable crosslinked polymer composition which is particulate and comprises a cationic crosslinked polymer and an anionic crosslinked polymer, the improvement satisfies the following requirements (1) and/or (2): (1) At least either one of the cationic crosslinked polymer and the anionic crosslinked polymer has a bulk density of not more than 0.5 g/ml. (2) The water-swellable crosslinked polymer composition has a bulk density of not more than 0.5 g/ml.
摘要翻译： 本发明提供一种水溶胀性交联聚合物组合物，其包含阴离子交联聚合物和阳离子交联聚合物，并且在脱盐性能方面优异，并且在负载下还具有优异的吸收性能，因此是非常可行的。 在水溶胀性交联聚合物组合物中，其为颗粒并包含阳离子交联聚合物和阴离子交联聚合物，其改进满足以下要求（1）和/或（2）：（1）阳离子交联 聚合物和阴离子交联聚合物的体积密度不大于0.5g / ml。（2）水溶胀性交联聚合物组合物的堆积密度不大于0.5g / ml。
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3.发明授权Production processes for basic water-absorbent resin and water-absorbing agent, and use thereof 有权碱性吸水性树脂和吸水剂的制造方法及其用途公开(公告)号：US06881792B2
公开(公告)日：2005-04-19
申请号：US10689075
申请日：2003-10-21
申请人： Nobuyuki Harada , Shigeru Sakamoto , Yoshifumi Adachi , Kazuhisa Hitomi , Kazushi Torii , Toshimasa Kitayama
发明人： Nobuyuki Harada , Shigeru Sakamoto , Yoshifumi Adachi , Kazuhisa Hitomi , Kazushi Torii , Toshimasa Kitayama
CPC分类号： C08J3/245 , C08J3/12 , C08J3/122 , C08J2300/14 , Y10T428/2982
摘要： The present invention provides: a production process for a basic water-absorbent resin to be a main component of a water-absorbing agent which exhibits an excellent water absorption capacity under a load with high productivity; a production process for a water-absorbing agent; and use thereof. The production process for an irregular shape basic water-absorbent resin comprises the step of reacting a basic resin and a crosslinking agent in order to obtain the basic water-absorbent resin, with the process forwarding a crosslinking reaction and pulverizing the resultant product at the same time. The first production process for a water-absorbing agent comprises the step of blending an acidic water-absorbent resin with the basic water-absorbent resin obtained by the above-mentioned process. The second production process for a water-absorbing agent comprises the step of obtaining a mixture of an acidic water-absorbent resin and the basic water-absorbent resin by coexisting with the acidic water-absorbent resin when carrying out the crosslinking reaction and the pulverization in the above-mentioned process.
摘要翻译： 本发明提供：作为吸水剂的主要成分的碱性吸水性树脂的制造方法，其在高生产率的负载下表现出优异的吸水能力; 吸水剂的生产方法; 及其用途。 不规则形状的基本吸水性树脂的制造方法包括使碱性树脂和交联剂反应以获得碱性吸水性树脂的步骤，其中进行交联反应并将所得产物在相同的条件下粉碎 时间。 吸水剂的第一种制备方法包括将酸性吸水性树脂与通过上述方法获得的碱性吸水性树脂混合的步骤。 吸水剂的第二制造方法包括以下步骤：当进行交联反应和粉碎时，通过与酸性吸水性树脂共存获得酸性吸水性树脂和碱性吸水性树脂的混合物 上述过程。
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公开(公告)号：US07285615B2
公开(公告)日：2007-10-23
申请号：US10926992
申请日：2004-08-27
IPC分类号： C08F2/00 , C08F120/02 , C08F20/06 , A61F13/00
CPC分类号： A61L15/60 , Y10T428/2982
摘要： An object of the present invention is to provide a particulate water-absorbent resin composition which is so excellent that: the absorption ability in an initial short time is secured in some degree, and further, the absorption capacity lastingly increases over a long period, and also the liquid permeability and the liquid diffusibility can be secured. As a means of achieving this object, a particulate water-absorbent resin composition according to the present invention is a particulate water-absorbent resin composition comprising a carboxyl-group-containing water-absorbent resin in an amount of not smaller than 80 mass %, with the composition being characterized by being: not less than 20 g/g in specific-particle-diameter absorption capacity under load (0.29 psi (2.00 kPa), 1 hour); and not less than 3 g/g in specific-particle-diameter absorption index increment in 20 hours.
摘要翻译： 本发明的目的是提供一种如此优异的颗粒状吸水性树脂组合物，其在初期短时间内的吸收能力在一定程度上得到保证，而且吸收能力在长时间内持续增加， 还可以确保液体渗透性和液体扩散性。 作为实现该目的的手段，本发明的颗粒状吸水性树脂组合物是含有不小于80质量％的含羧基的吸水性树脂的颗粒状吸水性树脂组合物， 该组合物的特征在于：在负载（0.29psi（2.00kPa）下1小时）的特定粒径吸收容量不小于20g / g; 并且在20小时内的特定粒径吸收指数增量不小于3g / g。
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公开(公告)号：US20080221229A1
公开(公告)日：2008-09-11
申请号：US12041609
申请日：2008-03-03
申请人： Kazushi Torii , Yoshifumi Adachi , Taishi Kobayashi , Yusuke Watanabe , Hiroyuki Ikeuchi , Toshimasa Kitayama
发明人： Kazushi Torii , Yoshifumi Adachi , Taishi Kobayashi , Yusuke Watanabe , Hiroyuki Ikeuchi , Toshimasa Kitayama
IPC分类号： C08J9/16
CPC分类号： A61L15/60 , A61F13/53 , A61F2013/530481 , B01J20/267 , C08J3/245 , C08J2300/14 , C08L101/14
摘要： To provide a water absorbing agent which is excellent in balance between absorbency and liquid permeability against pressure and is excellent in flowability at the time of moisture absorption. The water absorbing agent comprises water absorbent resin particles and an organic surface additive, wherein: the organic surface additive having (i) a reactive group for a functional group of a surface of each water absorbent resin particle and (ii) a hydrophobic group exists on the surface of the water absorbent resin particle, and the hydrophobic group has a hydrocarbon group whose carbon number is 8 or more, and a ratio of an oxyalkylene group in a molecular mass of the organic surface additive is 0 or more and 25 mass % or less.
摘要翻译： 提供一种吸水剂，其在吸收性和液体渗透性与压力之间的平衡方面优异，并且在吸湿时流动性优异。 吸水剂包括吸水性树脂颗粒和有机表面添加剂，其中：（i）每个吸水性树脂颗粒的表面的官能团的反应性基团和（ii）疏水基团的有机表面添加剂存在于 吸水性树脂颗粒的表面和疏水基团具有碳数为8以上的烃基，有机表面添加剂的分子量中的氧化烯基的比例为0以上且25质量％以下，或 减。
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公开(公告)号：US08257610B2
公开(公告)日：2012-09-04
申请号：US12674780
申请日：2008-09-26
CPC分类号： A61L15/60 , B01J20/26 , B01J20/267 , C08K5/09
摘要： The present invention provides a water absorbing agent, and a method for producing the water absorbing agent. The water absorbing agent includes water absorbent resin particles, an organic acid and/or salt thereof having carbon number of 10 or more and not more than 30 in its molecule, and a water-soluble polyvalent cation. The method includes the step (i) of mixing the water absorbent resin particles, the organic acid and/or salt thereof having carbon number of 10 or more and not more than 30 in its molecule, and the water-soluble polyvalent cation with one another.
摘要翻译： 本发明提供一种吸水剂及其制造方法。 吸水剂包括分子中碳数为10以上且30以下的吸水性树脂粒子，有机酸和/或其盐和水溶性多价阳离子。 该方法包括在其分子中混合吸水性树脂颗粒，碳数为10以上至30以下的有机酸和/或其盐和水溶性多价阳离子之间的步骤（i） 。
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公开(公告)号：US20050049379A1
公开(公告)日：2005-03-03
申请号：US10926992
申请日：2004-08-27
CPC分类号： A61L15/60 , Y10T428/2982
摘要： An object of the present invention is to provide a particulate water-absorbent resin composition which is so excellent that: the absorption ability in an initial short time is secured in some degree, and further, the absorption capacity lastingly increases over a long period, and also the liquid permeability and the liquid diffusibility can be secured. As a means of achieving this object, a particulate water-absorbent resin composition according to the present invention is a particulate water-absorbent resin composition comprising a carboxyl-group-containing water-absorbent resin in an amount of not smaller than 80 mass %, with the composition being characterized by being: not less than 20 g/g in specific-particle-diameter absorption capacity under load (0.29 psi (2.00 kPa), 1 hour); and not less than 3 g/g in specific-particle-diameter absorption index increment in 20 hours.
摘要翻译： 本发明的目的是提供一种如此优异的颗粒状吸水性树脂组合物，其在初期短时间内的吸收能力在一定程度上得到保证，而且吸收能力在长时间内持续增加， 还可以确保液体渗透性和液体扩散性。 作为实现该目的的手段，本发明的颗粒状吸水性树脂组合物是含有不小于80质量％的含羧基的吸水性树脂的颗粒状吸水性树脂组合物， 该组合物的特征在于：在负载（0.29psi（2.00kPa）下1小时）的特定粒径吸收容量不小于20g / g; 并且在20小时内的特定粒径吸收指数增量不小于3g / g。
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公开(公告)号：US08845924B2
公开(公告)日：2014-09-30
申请号：US12678006
申请日：2008-09-26
申请人： Yoshifumi Adachi , Kazushi Torii , Yusuke Watanabe , Taishi Kobayashi , Toshimasa Kitayama , Seiichi Suzuki , Atsuro Yoneda
发明人： Yoshifumi Adachi , Kazushi Torii , Yusuke Watanabe , Taishi Kobayashi , Toshimasa Kitayama , Seiichi Suzuki , Atsuro Yoneda
IPC分类号： C09K3/00 , C08F120/06 , C08G73/02 , C08L33/02 , C08F8/32 , C08L79/02 , C08F220/06 , C08K5/09 , C08F222/10
CPC分类号： C08F8/32 , B01J20/262 , B01J20/267 , C08F220/06 , C08F222/1006 , C08G73/02 , C08K5/09 , C08L33/02 , C08L79/02
摘要： The present invention provides a water absorbing agent, including: water absorbent resin particles; and a modified cationic polymer compound containing a primary amino group and/or a secondary amino group, the modified cationic polymer compound being obtained by reacting, with a modifying agent, a cationic polymer compound containing the primary amino group and/or the secondary amino group, and the modifying agent containing two or more carbon atoms continuously linked, and one reactive group which reacts with the primary amino group and/or the secondary amino group. The present invention further provides a method for producing a water absorbing agent including water absorbent resin particles, the method including the step (i) of mixing the water absorbent resin particles with a modified cationic polymer compound.
摘要翻译： 本发明提供一种吸水剂，包括：吸水性树脂颗粒; 和含有伯氨基和/或仲氨基的改性阳离子聚合物化合物，所述改性阳离子聚合物化合物通过使改性剂与含有伯氨基和/或仲氨基的阳离子聚合物化合物 和包含连续连接的两个或更多个碳原子的改性剂，以及与伯氨基和/或仲氨基反应的一个反应性基团。 本发明还提供一种吸水性树脂粒子的吸水剂的制造方法，其特征在于，包括将吸水性树脂粒子与改性阳离子性高分子化合物混合的工序（i）。
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公开(公告)号：US20110114881A1
公开(公告)日：2011-05-19
申请号：US12674780
申请日：2008-09-26
IPC分类号： B01J20/26
CPC分类号： A61L15/60 , B01J20/26 , B01J20/267 , C08K5/09
摘要： The present invention provides a water absorbing agent, and a method for producing the water absorbing agent. The water absorbing agent includes water absorbent resin particles, an organic acid and/or salt thereof having carbon number of 10 or more and not more than 30 in its molecule, and a water-soluble polyvalent cation. The method includes the step (i) of mixing the water absorbent resin particles, the organic acid and/or salt thereof having carbon number of 10 or more and not more than 30 in its molecule, and the water-soluble polyvalent cation with one another.
摘要翻译： 本发明提供一种吸水剂及其制造方法。 吸水剂包括分子中碳数为10以上且30以下的吸水性树脂粒子，有机酸和/或其盐和水溶性多价阳离子。 该方法包括在其分子中混合吸水性树脂颗粒，碳数为10以上至30以下的有机酸和/或其盐和水溶性多价阳离子之间的步骤（i） 。
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公开(公告)号：US08252715B2
公开(公告)日：2012-08-28
申请号：US12041609
申请日：2008-03-03
申请人： Kazushi Torii , Yoshifumi Adachi , Taishi Kobayashi , Yusuke Watanabe , Hiroyuki Ikeuchi , Toshimasa Kitayama
发明人： Kazushi Torii , Yoshifumi Adachi , Taishi Kobayashi , Yusuke Watanabe , Hiroyuki Ikeuchi , Toshimasa Kitayama
IPC分类号： B01J20/285 , C08F20/02 , C08F16/28 , C08F32/00 , C08F120/00
CPC分类号： A61L15/60 , A61F13/53 , A61F2013/530481 , B01J20/267 , C08J3/245 , C08J2300/14 , C08L101/14
摘要： To provide a water absorbing agent which is excellent in balance between absorbency and liquid permeability against pressure and is excellent in flowability at the time of moisture absorption. The water absorbing agent comprises water absorbent resin particles and an organic surface additive, wherein: the organic surface additive having (i) a reactive group for a functional group of a surface of each water absorbent resin particle and (ii) a hydrophobic group exists on the surface of the water absorbent resin particle, and the hydrophobic group has a hydrocarbon group whose carbon number is 8 or more, and a ratio of an oxyalkylene group in a molecular mass of the organic surface additive is 0 or more and 25 mass % or less.
摘要翻译： 提供一种吸水剂，其在吸收性和液体渗透性与压力之间的平衡方面优异，并且在吸湿时流动性优异。 吸水剂包括吸水性树脂颗粒和有机表面添加剂，其中：（i）每个吸水性树脂颗粒的表面的官能团的反应性基团和（ii）疏水基团的有机表面添加剂存在于 吸水性树脂颗粒的表面和疏水基团具有碳数为8以上的烃基，有机表面添加剂的分子量中的氧化烯基的比例为0以上且25质量％以下，或 减。
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