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公开(公告)号：US09102804B2
公开(公告)日：2015-08-11
申请号：US13395912
申请日：2010-09-16
IPC分类号： C08J3/12 , C08J3/28 , C08J3/24 , C08F220/06 , C08F222/10
CPC分类号： C08J3/28 , C08F220/06 , C08F222/1006 , C08J3/122 , C08J3/245 , C08J2300/00
摘要： A method for producing a water-absorbing resin comprises circulation of the water-absorbing resin in a predetermined amount in a pulverization step before a surface cross-linking step. At least a part of a classified polymer is supplied again to the same or a different pulverization step before the surface cross-linking step, wherein the circulation pulverization ratio in the pulverization step, represented by the following equation, is 1.10 to 1.50: (Circulation pulverization ratio)=(total supply amount of the water-absorbing resin to the pulverization step)/(total discharge amount of the water-absorbing resin at the drying step) wherein (total supply amount of the water-absorbing resin to the pulverization step)=(total discharge amount of the water-absorbing resin at the drying step)+(amount of the classified polymer supplied again to the same or a different pulverization step).
摘要翻译： 吸水性树脂的制造方法包括在表面交联工序之前的粉碎工序中使规定量的吸水性树脂循环。 将分级聚合物的至少一部分再次供给到在表面交联步骤之前的相同或不同的粉碎步骤中，其中由下式表示的粉碎步骤中的循环粉碎比为1.10至1.50：（循环 粉碎比）=（粉碎步骤中的吸水性树脂的总供给量）/（干燥工序中的吸水性树脂的总排出量）（其中，对粉碎工序的吸水性树脂的总供给量 ）=（干燥步骤中的吸水性树脂的总排出量）+（再次供给到相同或不同的粉碎工序的分类聚合物的量）。
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公开(公告)号：US20100270501A1
公开(公告)日：2010-10-28
申请号：US12808066
申请日：2009-03-06
IPC分类号： B01J20/26
CPC分类号： C08L79/02 , C08L33/02 , C08L101/14 , C08L2666/20 , C08L2666/04
摘要： The present invention provides a water absorbing agent that is excellent in a balance between a centrifugal retention capacity (CRC) and a saline flow conductivity (SFC), and a method for producing the water absorbing agent.The method for producing the water absorbing agent, the method comprising mixing (i) a water absorbing resin (A) and (ii) a polymer (B) being a polyamine polymer having a hydroxyl group on a main chain provides a water absorbing agent containing (i) the water absorbing resin (A) and (ii) the polymer (B) being a polyamine polymer having a hydroxyl group on a main chain.
摘要翻译： 本发明提供了在离心保留容量（CRC）和盐水导流率（SFC）之间的平衡优异的吸水剂，以及吸水剂的制造方法。 制造吸水剂的方法包括将（i）吸水性树脂（A）和（ii）作为主链上具有羟基的聚胺聚合物的聚合物（B）混合的方法提供含有 （i）吸水树脂（A）和（ii）聚合物（B）是在主链上具有羟基的聚胺聚合物。
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公开(公告)号：US20120220745A1
公开(公告)日：2012-08-30
申请号：US13496440
申请日：2010-09-16
IPC分类号： C08F20/06
CPC分类号： C08J3/28 , C08F220/06 , C08F222/1006 , C08J3/122 , C08J3/245 , C08J2300/00
摘要： [PROBLEM]It is an object of the present invention to enhance and stabilize properties of a water-absorbing resin, for example, damage resistance or water-absorbing speed, by a simple and convenient method without requiring change of raw materials or expensive facility investment, in a large scale production method for the water-absorbing resin.[MEANS FOR SOLVING THE PROBLEM]It is solved by circulation of the water-absorbing resin in a predetermined amount or more in the pulverization step before the surface cross-linking step. That is, at least a part of the classified polymer is supplied again to the same or different pulverization step, before the surface cross-linking step, wherein circulation pulverization ratio in the pulverization step, represented by the following equation is larger than 1.50: (Circulation pulverization ratio)=(total supply amount of the water-absorbing resin to the pulverization step)/(total discharge amount of the water-absorbing resin at the drying step) (wherein total supply amount of the water-absorbing resin to the pulverization step)=(total discharge amount of the water-absorbing resin at the drying step)+(amount of the classified polymer supplied again to the same or different pulverization step)).
摘要翻译： 本发明的目的是通过简单方便的方法来增强和稳定吸水树脂的性能，例如耐损伤性或吸水速度，而不需要改变原料或昂贵的设备投资 在大量的吸水树脂的制造方法中。 解决问题的手段通过在表面交联工序之前的粉碎工序中使吸水性树脂循环一定量以上来解决。 也就是说，在表面交联步骤之前，将分类的聚合物的至少一部分再次供给到相同或不同的粉碎步骤，其中由下式表示的粉碎步骤中的循环粉碎比大于1.50：（ 循环粉碎比）=（粉碎步骤中的吸水性树脂的总供给量）/（干燥工序中的吸水性树脂的总排出量）（其中，吸水性树脂与粉碎的总供给量 步骤）=（干燥步骤中的吸水性树脂的总排出量）+（再次供给相同或不同的粉碎步骤的分类聚合物的量））。
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公开(公告)号：US08513378B2
公开(公告)日：2013-08-20
申请号：US13496440
申请日：2010-09-16
CPC分类号： C08J3/28 , C08F220/06 , C08F222/1006 , C08J3/122 , C08J3/245 , C08J2300/00
摘要： The present invention provides a method for producing a water-absorbing resin powder. The method includes a polymerization step, a drying step, a pulverization step, a classification step, and a surface cross-linking step. It further includes an additional step, performed before the surface cross-linking step, in which at least part of the classified polymer is supplied again to the same or a different pulverization step. The circulation pulverization ratio in the pulverization step is higher than 1.50.
摘要翻译： 本发明提供一种吸水性树脂粉末的制造方法。 该方法包括聚合步骤，干燥步骤，粉碎步骤，分级步骤和表面交联步骤。 其还包括在表面交联步骤之前进行的另外的步骤，其中将至少部分分类的聚合物再次供应到相同或不同的粉碎步骤。 粉碎步骤中的循环粉碎比高于1.50。
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公开(公告)号：US08647528B2
公开(公告)日：2014-02-11
申请号：US12808066
申请日：2009-03-06
IPC分类号： C09K3/00 , C08F120/06
CPC分类号： C08L79/02 , C08L33/02 , C08L101/14 , C08L2666/20 , C08L2666/04
摘要： The present invention provides a water absorbing agent that is excellent in a balance between a centrifugal retention capacity (CRC) and a saline flow conductivity (SFC), and a method for producing the water absorbing agent.The method for producing the water absorbing agent, the method comprising mixing (i) a water absorbing resin (A) and (ii) a polymer (B) being a polyamine polymer having a hydroxyl group on a main chain provides a water absorbing agent containing (i) the water absorbing resin (A) and (ii) the polymer (B) being a polyamine polymer having a hydroxyl group on a main chain.
摘要翻译： 本发明提供了在离心保留容量（CRC）和盐水导流率（SFC）之间的平衡优异的吸水剂，以及吸水剂的制造方法。 制造吸水剂的方法包括将（i）吸水性树脂（A）和（ii）作为主链上具有羟基的聚胺聚合物的聚合物（B）混合的方法提供含有 （i）吸水树脂（A）和（ii）聚合物（B）是在主链上具有羟基的聚胺聚合物。
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公开(公告)号：US20120220733A1
公开(公告)日：2012-08-30
申请号：US13395912
申请日：2010-09-16
IPC分类号： C08F120/06 , C08F2/10 , C08F6/12
CPC分类号： C08J3/28 , C08F220/06 , C08F222/1006 , C08J3/122 , C08J3/245 , C08J2300/00
摘要： [PROBLEM]It is an object of the present invention to enhance and stabilize properties of a water-absorbing resin, for example, damage resistance or water-absorbing speed, by a simple and convenient method without requiring change of raw materials or expensive facility investment, in a large scale production method for the water-absorbing resin.[MEANS FOR SOLVING THE PROBLEM]It is solved by circulation of the water-absorbing resin in a predetermined amount or more in the pulverization step before the surface cross-linking step. That is, at least a part of the classified polymer is supplied again to the same or different pulverization step, before the surface cross-linking step, wherein circulation pulverization ratio in the pulverization step, represented by the following equation is 1.10 to 1.50: (Circulation pulverization ratio)=(total supply amount of the water-absorbing resin to the pulverization step)/(total discharge amount of the water-absorbing resin at the drying step) (wherein total supply amount of the water-absorbing resin to the pulverization step)=(total discharge amount of the water-absorbing resin at the drying step)+(amount of the classified polymer supplied again to the same or different pulverization step)).
摘要翻译： 本发明的目的是通过简单方便的方法来增强和稳定吸水树脂的性能，例如耐损伤性或吸水速度，而不需要改变原料或昂贵的设备投资 在大量的吸水树脂的制造方法中。 解决问题的手段通过在表面交联工序之前的粉碎工序中使吸水性树脂循环一定量以上来解决。 也就是说，在表面交联步骤之前，将分类的聚合物的至少一部分再次供给到相同或不同的粉碎步骤，其中由下式表示的粉碎步骤中的循环粉碎比为1.10至1.50：（ 循环粉碎比）=（粉碎步骤中的吸水性树脂的总供给量）/（干燥工序中的吸水性树脂的总排出量）（其中，吸水性树脂与粉碎的总供给量 步骤）=（干燥步骤中的吸水性树脂的总排出量）+（再次供给相同或不同的粉碎步骤的分类聚合物的量））。
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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
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。
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18.发明申请Absorbent members comprising modified water absorbent resin for use in diapers 审中-公开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。
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公开(公告)号：US07879923B2
公开(公告)日：2011-02-01
申请号：US11721293
申请日：2005-12-09
CPC分类号： C08F265/00 , C08F265/02 , C08J3/28 , C08J7/18 , C08J2300/14 , C08J2333/02 , C08L51/003 , C08L2666/02
摘要： This invention is to provide a method for surface-treatment of a water absorbent resin excelling in water absorption properties. This invention relates to a method for the surface-treatment of a water absorbent resin, which comprises: a) mixing 100 parts by weight of a water absorbent resin, 0.01-20 parts by weight of at least one radical polymerization initiator selected from the group consisting of persulfates, hydrogen peroxide, and azo compounds, and a radically polymerizing compound and b) irradiating the resultant mixture with active energy rays. The treatment particularly exalts the absorption ratio against pressure and the saline flow conductivity.
摘要翻译： 本发明提供一种吸水性树脂表面处理方法，其吸水性优异。 本发明涉及一种表面处理吸水性树脂的方法，其包括：a）将100重量份的吸水性树脂，0.01-20重量份的至少一种选自下组的自由基聚合引发剂 由过硫酸盐，过氧化氢和偶氮化合物组成，和自由基聚合化合物，和b）用活性能量射线照射所得混合物。 该处理特别提高了对压力和盐水流动传导率的吸收比。
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公开(公告)号：US20090239966A1
公开(公告)日：2009-09-24
申请号：US11721293
申请日：2005-12-09
IPC分类号： C08F2/50
CPC分类号： C08F265/00 , C08F265/02 , C08J3/28 , C08J7/18 , C08J2300/14 , C08J2333/02 , C08L51/003 , C08L2666/02
摘要： This invention is to provide a method for surface-treatment of a water absorbent resin excelling in water absorption properties. This invention relates to a method for the surface-treatment of a water absorbent resin, which comprises: a) mixing 100 parts by weight of a water absorbent resin, 0.01-20 parts by weight of at least one radical polymerization initiator selected from the group-consisting of persulfates, hydrogen peroxide, and azo compounds, and a radically polymerizing compound and b) irradiating the resultant mixture with active energy rays. The treatment particularly exalts the absorption ratio against pressure and the saline flow conductivity.
摘要翻译： 本发明提供一种吸水性树脂表面处理方法，其吸水性优异。 本发明涉及一种表面处理吸水性树脂的方法，其包括：a）将100重量份的吸水性树脂，0.01-20重量份的至少一种选自下组的自由基聚合引发剂 - 过硫酸盐，过氧化氢和偶氮化合物，以及自由基聚合化合物，和b）用活性能量射线照射所得混合物。 该处理特别提高了对压力和盐水流动传导率的吸收比。
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