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1.发明授权公开(公告)号：US07312278B2
公开(公告)日：2007-12-25
申请号：US10333614
申请日：2002-06-07
申请人： Yasuhisa Nakashima , Hiroyuki Ikeuchi , Yasuhiro Fujita , Makoto Nagasawa , Shigeru Sakamoto , Yorimichi Dairoku , Katsuyuki Wada , Shinichi Fujino , Toshimasa Kitayama , Kazuhisa Hitomi
发明人： Yasuhisa Nakashima , Hiroyuki Ikeuchi , Yasuhiro Fujita , Makoto Nagasawa , Shigeru Sakamoto , Yorimichi Dairoku , Katsuyuki Wada , Shinichi Fujino , Toshimasa Kitayama , Kazuhisa Hitomi
CPC分类号： A61L15/60
摘要： There is provided: a production process for a water-absorbing agent having stable properties in a short time; and a water-absorbing agent. The production process comprises the step of blending an acid-group-containing water-absorbent resin powder with a noncrosslinkable water-soluble inorganic base and/or an irreducible alkaline-metal-salt pH buffer and further with a dehydratable crosslinking agent reactable with the acid group, thereby subjecting the resin powder to crosslinking treatment, or comprises the step of blending an acid-group-containing water-absorbent resin powder with the above base and/or pH buffer and further with a crosslinking agent reactable with the acid group, thereby subjecting the resin powder to crosslinking treatment, wherein the resin powder has a weight-average particle diameter of 300 to 600 μm wherein the ratio of fine powders having particle diameters of not larger than 150 μm in the resin powder is not more than 10 weight %.
摘要翻译： 提供了一种在短时间内具有稳定性能的吸水剂的生产方法; 和吸水剂。 生产方法包括将含酸基的吸水性树脂粉末与不可交联的水溶性无机碱和/或不可还原的碱金属盐pH缓冲剂以及可与酸反应的可脱水交联剂 从而使树脂粉末进行交联处理，或者包括将含酸基的吸水性树脂粉末与上述碱和/或pH缓冲剂以及与酸基反应的交联剂进一步混合的步骤，由此 使树脂粉末进行交联处理，其中树脂粉末的重均粒径为300〜600μm，其中树脂粉末中粒径不大于150μm的细粉末的比率不大于10重量％ 。
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公开(公告)号：US07622535B2
公开(公告)日：2009-11-24
申请号：US11089160
申请日：2005-03-24
申请人： Yorimichi Dairoku , Yoshio Irie , Shinichi Fujino , Yasuhiro Fujita , Kenji Tada , Hiroki Inoue , Makoto Nagasawa , Hirofumi Shibata
发明人： Yorimichi Dairoku , Yoshio Irie , Shinichi Fujino , Yasuhiro Fujita , Kenji Tada , Hiroki Inoue , Makoto Nagasawa , Hirofumi Shibata
IPC分类号： C08F2/00 , C08F236/00 , C08F20/06
CPC分类号： C08F6/006
摘要： The present invention relates to a method for continuous production of a water-absorbent resin by use of an continuous polymerization device having a charge part of a monomer aqueous solution; an endless belt on which the monomer and a hydropolymer formed are conveyed; and a discharge part of the hydropolymer, wherein the continuous polymerization device has side walls and a ceiling, and the space ratio in the device represented by the equation, “space ratio in the device=B/A”, is in the range of 1.2 to 20. In the equation, A is a maximum cross-sectional area (cm2) of the hydropolymer during the polymerization in the width direction of the endless belt, and B is a maximum cross-sectional area (cm2) of the space between the endless belt of the continuous polymerization device and the ceiling of the continuous polymerization device in the width direction of the endless belt.
摘要翻译： 本发明涉及使用具有单体水溶液的电荷部分的连续聚合装置连续制造吸水性树脂的方法; 输送单体和形成的氢化聚合物的环状带; 和氢化聚合物的排出部分，其中连续聚合装置具有侧壁和天花板，并且由等式“器件中的空间比= B / A”表示的器件中的空间比在1.2 在该方程式中，A是在环形带的宽度方向上的聚合期间的氢化聚合物的最大横截面积（cm2），B是在环状带的宽度方向上的最大横截面积（cm2） 连续聚合装置的环形带和连续聚合装置的天花板在环形带的宽度方向上。
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公开(公告)号：US20050215734A1
公开(公告)日：2005-09-29
申请号：US11089160
申请日：2005-03-24
申请人： Yorimichi Dairoku , Yoshio Irie , Shinichi Fujino , Yasuhiro Fujita , Kenji Tada , Hiroki Inoue , Makoto Nagasawa , Hirofumi Shibata
发明人： Yorimichi Dairoku , Yoshio Irie , Shinichi Fujino , Yasuhiro Fujita , Kenji Tada , Hiroki Inoue , Makoto Nagasawa , Hirofumi Shibata
CPC分类号： C08F6/006
摘要： The present invention relates to a method for continuous production of a water-absorbent resin by use of an continuous polymerization device having a charge part of a monomer aqueous solution; an endless belt on which the monomer and a hydropolymer formed are conveyed; and a discharge part of the hydropolymer, wherein the continuous polymerization device has side walls and a ceiling, and the space ratio in the device represented by the equation, “space ratio in the device=B/A”, is in the range of 1.2 to 20. In the equation, A is a maximum cross-sectional area (cm2) of the hydropolymer during the polymerization in the width direction of the endless belt, and B is a maximum cross-sectional area (cm2) of the space between the endless belt of the continuous polymerization device and the ceiling of the continuous polymerization device in the width direction of the endless belt.
摘要翻译： 本发明涉及使用具有单体水溶液的电荷部分的连续聚合装置连续制造吸水性树脂的方法; 输送单体和形成的氢化聚合物的环状带; 和氢化聚合物的排出部分，其中连续聚合装置具有侧壁和天花板，并且由等式“器件中的空间比= B / A”表示的器件中的空间比在1.2 在等式中，A是在环形带的宽度方向上的聚合期间的氢化聚合物的最大横截面积（cm 2），B是最大横截面积 连续聚合装置的环形带与连续聚合装置的天花板之间的距离（cm 2）在环形带的宽度方向上。
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公开(公告)号：US07429009B2
公开(公告)日：2008-09-30
申请号：US10858269
申请日：2004-06-02
CPC分类号： C08J7/12 , C08J3/12 , C08J3/16 , C08J2300/14
摘要： An object of the present invention is to make it possible, in order to form the fine powder of the water-absorbent resin into a water-absorbing material having particle diameters favorable for practical use, that a water-absorbing material which has high agglomeration strength and is excellent in the quality performances is obtained at a low cost with good efficiency without causing the problems of the adhesion to such as treatment apparatus. As a means of achieving this object, a process according to the present invention for production of a water-absorbing material is a process for production of a water-absorbing material from a fine powder of a water-absorbent resin wherein the water-absorbing material is a particulate water-absorbing material having particle diameters larger than the fine powder, with the process comprising: a step (a) of adding an aqueous liquid to the fine powder of the water-absorbent resin with such as a high-speed stirring type continuous extrusion mixer 50 so that the overall average water content will be in the range of 20 to 60 weight %, whereby particles of the fine powder are agglomerated to thus obtain a particulate hydrous material 70 of the water-absorbent resin; and a step (b) of applying a mechanical compression force to the particulate hydrous material 70 and, at the same time, knead-pulverizing it, with such as a meat chopper apparatus 30, thereby obtaining particulate agglomerates 40 of the water-absorbing material.
摘要翻译： 本发明的目的在于，为了将吸水性树脂的微细粉末形成为具有实用的粒径的吸水材料，可以实现具有高聚集强度的吸水材料 并且以良好的效率以低成本获得优异的质量性能，而不会导致诸如处理装置的粘合问题。 作为实现该目的的手段，根据本发明的吸水材料的制造方法是从吸水性树脂的细粉末制造吸水材料的方法，其中吸水材料 是粒径大于细粉末的颗粒状吸水材料，该方法包括：将水性液体添加到吸水性树脂的细粉末中的步骤（a），例如高速搅拌型 连续挤出混合器50，使得总平均含水量在20〜60重量％的范围内，由此细粉末颗粒凝聚，从而获得吸水性树脂的含水粒子70; 以及将步骤（b）向颗粒状含水材料70施加机械压缩力，并且同时用诸如斩肉器装置30的方式对其进行捏合粉碎，从而获得吸水材料的颗粒团聚体40 。
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公开(公告)号：US06875511B2
公开(公告)日：2005-04-05
申请号：US10443777
申请日：2003-05-23
申请人： Yorimichi Dairoku , Yoshio Irie , Kenji Tada , Shinichi Fujino , Makoto Nagasawa
发明人： Yorimichi Dairoku , Yoshio Irie , Kenji Tada , Shinichi Fujino , Makoto Nagasawa
CPC分类号： C08J3/12 , C08J3/122 , C08J2300/14 , Y10T428/2982 , Y10T428/2985 , Y10T428/2991 , Y10T428/2998
摘要： The present invention provides: a production process for a particulate water-absorbent resin with high productivity, which production process is carried out in such a manner that the particulate water-absorbent resin will contain particles with particle diameters of 150 to 850 μm (but excluding 850 μm) in an amount of not smaller than 75 weight % of the particulate water-absorbent resin after the pulverization step or after the pulverization step and the drying step even if the adjustment of the particle diameters is not carried out by the sieving classification procedure; a novel particulate water-absorbent resin having high properties; and a sanitary material comprising this particulate water-absorbent resin. The production process for a particulate water-absorbent resin, according to the present invention, is carried out in such a manner that the particulate water-absorbent resin will contain particles with particle diameters of 150 to 850 μm (but excluding 850 μm) in an amount of not smaller than 75 weight % of the particulate water-absorbent resin after the pulverization step or after the pulverization step and the drying step; with the production process being characterized in that, in the pulverization step, a hydropolymer of a water-absorbent resin having a water content of 10 to 30 weight % is pulverized with a pulverizer.
摘要翻译： 本发明提供一种高生产率的颗粒状吸水性树脂的制造方法，该制造方法以粒状吸水性树脂含有粒径为150〜850μm的粒子（但不包括 850μm），在粉碎步骤之后或粉碎步骤和干燥步骤之后的颗粒状吸水性树脂的75重量％以上，即使不通过筛分分级程序进行粒径的调整 ; 具有高性能的新型颗粒状吸水性树脂; 以及包含该颗粒状吸水性树脂的卫生材料。 根据本发明的颗粒状吸水性树脂的制造方法，是使颗粒状吸水性树脂含有粒径为150〜850μm（但不包括850μm）的颗粒， 在粉碎步骤之后或粉碎步骤和干燥步骤之后的颗粒状吸水性树脂的75重量％以上的量; 其制造方法的特征在于，在粉碎工序中，用粉碎机粉碎含水率为10〜30重量％的吸水性树脂的氢化聚合物。
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公开(公告)号：US09187579B2
公开(公告)日：2015-11-17
申请号：US12524989
申请日：2008-02-04
申请人： Hiroyuki Ikeuchi , Hirotama Fujimaru , Makoto Nagasawa , Kazuhiko Sakamoto , Shigeru Sakamoto , Kazushi Torii , Ryoko Tahara
发明人： Hiroyuki Ikeuchi , Hirotama Fujimaru , Makoto Nagasawa , Kazuhiko Sakamoto , Shigeru Sakamoto , Kazushi Torii , Ryoko Tahara
IPC分类号： B01J20/22 , B01J20/26 , C08F20/06 , C08F2/44 , C08F220/06 , C08L33/02 , A61F13/53 , C08F222/10 , C08K5/00 , C08L71/02
CPC分类号： C08F2/44 , A61F2013/530583 , C08F220/06 , C08F222/1006 , C08K5/0008 , C08L33/02 , C08L71/02 , Y10T428/2982 , C08L2666/22
摘要： An object of the present invention is to provide a particle-shaped water absorbing agent having a remarkably improved surface color and excellent water-absorbing properties (better water absorption capacity, and lower water soluble content and residual monomer content) at the same time. In order to attain the object, a particle-shaped water absorbing agent according to the present invention is a particle-shaped water absorbing agent whose main component is a polyacrylic acid and/or a salt thereof, the particle-shaped water absorbing agent having a surface color of Hunter b value in a range of −5 to 10, and having a cross-linking absorption property index (CPI) in a range of 1 to 100, the CPI defined by the following two equations: GEX=(GVs+17)/Ln (water soluble content); Equation 1: CPI=(GEX/residual monomer content)×100 Equation 3: where GVs is gel volume in saline, Ln (water soluble content) is a logarithm natural of water soluble content.
摘要翻译： 本发明的目的是提供一种具有显着改善的表面颜色和优异的吸水性（更好的吸水能力，更低的水溶性含量和残留的单体含量）的颗粒状吸水剂。 为了达到上述目的，本发明的颗粒状吸水剂是主要成分为聚丙烯酸和/或其盐的颗粒状吸水剂，该颗粒状吸水剂具有 Hunter b值的表面颜色在-5至10的范围内，并且交联吸收特性指数（CPI）在1至100的范围内，由以下两个等式定义的CPI：GEX =（GVs + 17 ）/ Ln（水溶性成分）; 方程1：CPI =（GEX /残留单体含量）×100等式3：其中GV是盐水中的凝胶体积，Ln（水溶性含量）是水溶性含量的对数自然。
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公开(公告)号：US20090305884A1
公开(公告)日：2009-12-10
申请号：US12296808
申请日：2007-09-28
申请人： Shigeru Sakamoto , Yoshio Irie , Hiroyuki Ikeuchi , Makoto Nagasawa , Kunihiko Ishizaki , Sayaka Machida
发明人： Shigeru Sakamoto , Yoshio Irie , Hiroyuki Ikeuchi , Makoto Nagasawa , Kunihiko Ishizaki , Sayaka Machida
IPC分类号： B01J20/26
CPC分类号： C08J3/12 , B29B9/06 , B29B17/00 , C08J2300/14 , Y02W30/62
摘要： The present invention provides a method for producing a water absorbent resin particle, in high productivity, not only in a controlled manner of particle size but also enhancing fundamental property (absorption capacity or absorption capacity against pressure) of a water absorbent resin. A method for producing a water absorbent resin particle having the cross-linking polymerization step for an aqueous solution of an unsaturated monomer; the grain refining step for water-swellable, water-containing gel-like cross-linked polymer (a) obtained in the cross-linking polymerization step; the drying step for grain refined gel; and the crushing step for a dried substance, wherein, in the grain refining step for the water-swellable, water-containing gel-like cross-linked polymer (a), water-swellable, water-containing gel-like cross-linked polymer (b), having solid content or centrifuge retention capacity different from solid content or centrifuge retention capacity of the cross-linked polymer (a) by equal to or larger than 1%, is subjected to coexistence.
摘要翻译： 本发明提供了一种生产吸水性树脂颗粒的方法，不仅以受控的粒度控制，而且提高了吸水性树脂的基本性能（吸收能力或抗吸收能力）。 一种制备具有用于不饱和单体的水溶液的交联聚合步骤的吸水性树脂颗粒的方法; 在交联聚合步骤中获得的水溶胀性含水凝胶状交联聚合物（a）的晶粒细化步骤; 颗粒精制凝胶的干燥步骤; 和干物质的破碎步骤，其中在水溶胀性含水凝胶状交联聚合物（a）的晶粒细化工序中，水溶胀性含水凝胶状交联聚合物 （b）具有不同于交联聚合物（a）的固体含量或离心保留能力等于或大于1％的固体含量或离心保留能力共存。
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公开(公告)号：US09593212B2
公开(公告)日：2017-03-14
申请号：US12296808
申请日：2007-09-28
申请人： Shigeru Sakamoto , Yoshio Irie , Hiroyuki Ikeuchi , Makoto Nagasawa , Kunihiko Ishizaki , Sayaka Machida
发明人： Shigeru Sakamoto , Yoshio Irie , Hiroyuki Ikeuchi , Makoto Nagasawa , Kunihiko Ishizaki , Sayaka Machida
CPC分类号： C08J3/12 , B29B9/06 , B29B17/00 , C08J2300/14 , Y02W30/62
摘要： The present invention provides a method for producing a water absorbent resin particle, in high productivity, not only in a controlled manner of particle size but also enhancing fundamental property (absorption capacity or absorption capacity against pressure) of a water absorbent resin. A method for producing a water absorbent resin particle having the cross-linking polymerization step for an aqueous solution of an unsaturated monomer; the grain refining step for water-swellable, water-containing gel-like cross-linked polymer (a) obtained in the cross-linking polymerization step; the drying step for grain refined gel; and the crushing step for a dried substance, wherein, in the grain refining step for the water-swellable, water-containing gel-like cross-linked polymer (a), water-swellable, water-containing gel-like cross-linked polymer (b), having solid content or centrifuge retention capacity different from solid content or centrifuge retention capacity of the cross-linked polymer (a) by equal to or larger than 1%, is subjected to coexistence.
摘要翻译： 本发明提供了一种生产吸水性树脂颗粒的方法，不仅以受控的粒度控制，而且提高了吸水性树脂的基本性能（吸收能力或抗吸收能力）。 一种制备具有用于不饱和单体的水溶液的交联聚合步骤的吸水性树脂颗粒的方法; 在交联聚合步骤中获得的水溶胀性含水凝胶状交联聚合物（a）的晶粒细化步骤; 颗粒精制凝胶的干燥步骤; 和干物质的破碎步骤，其中在水溶胀性含水凝胶状交联聚合物（a）的晶粒细化工序中，水溶胀性含水凝胶状交联聚合物 （b）具有不同于交联聚合物（a）的固体含量或离心保留能力等于或大于1％的固体含量或离心保留能力共存。
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公开(公告)号：US20100009846A1
公开(公告)日：2010-01-14
申请号：US12524989
申请日：2008-02-04
申请人： Hiroyuki Ikeuchi , Hirotama Fujimaru , Makoto Nagasawa , Kazuhiko Sakamoto , Shigeru Sakamoto , Kazushi Torii , Ryoko Tahara
发明人： Hiroyuki Ikeuchi , Hirotama Fujimaru , Makoto Nagasawa , Kazuhiko Sakamoto , Shigeru Sakamoto , Kazushi Torii , Ryoko Tahara
CPC分类号： C08F2/44 , A61F2013/530583 , C08F220/06 , C08F222/1006 , C08K5/0008 , C08L33/02 , C08L71/02 , Y10T428/2982 , C08L2666/22
摘要： An object of the present invention is to provide a particle-shaped water absorbing agent having a remarkably improved surface color and excellent water-absorbing properties (better water absorption capacity, and lower water soluble content and residual monomer content) at the same time. In order to attain the object, a particle-shaped water absorbing agent according to the present invention is a particle-shaped water absorbing agent whose main component is a polyacrylic acid and/or a salt thereof, the particle-shaped water absorbing agent having a surface color of Hunter b value in a range of −5 to 10, and having a cross-linking absorption property index (CPI) in a range of 1 to 100, the CPI defined by the following two equations: GEX=(GVs+17)/Ln (water soluble content) Equation 1; CPI=(GEX/residual monomer content)×100 Equation 3 where GVs is gel volume in saline, Ln (water soluble content) is a logarithm natural of water soluble content.
摘要翻译： 本发明的目的是提供一种具有显着改善的表面颜色和优异的吸水性（更好的吸水能力，更低的水溶性含量和残留的单体含量）的颗粒状吸水剂。 为了达到上述目的，本发明的颗粒状吸水剂是主要成分为聚丙烯酸和/或其盐的颗粒状吸水剂，该颗粒状吸水剂具有 Hunter b值的表面颜色在-5至10的范围内，并且交联吸收特性指数（CPI）在1至100的范围内，由以下两个等式定义的CPI：GEX =（GVs + 17 ）/ Ln（水溶性含量）等式1; CPI =（GEX /残留单体含量）×100等式3其中GV是盐水中的凝胶体积，Ln（水溶性含量）是水溶性含量的对数自然。
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10.发明授权Water-absorbing agent, manufacture method thereof, and absorbent and absorbent article made therefrom 有权吸水剂及其制造方法以及由其制成的吸收性吸收性物品公开(公告)号：US09308290B2
公开(公告)日：2016-04-12
申请号：US14029878
申请日：2013-09-18
CPC分类号： A61L15/24 , A61F13/535 , A61F2013/15463 , A61F2013/530569 , A61F2013/530591 , A61F2013/530708 , A61F2013/530737 , A61F2013/530766 , A61L15/42 , A61L15/60
摘要： To improve the heat retention by diapers and other absorbents, a heat retention indicator 1 of a water-absorbing resin which is defined in the present invention needs be 3.0° C./min or less and also that particular requirements need be met to satisfy this condition. If the requirements are met, a water-absorbing resin, absorbent, and absorbent article can be provided which has a heat retention indicator 1 of 0 to 3.0° C./min or less and which exhibits excellent heat retention and absorption.
摘要翻译： 为了提高尿布和其它吸收剂的保温性，本发明中限定的吸水性树脂的保温指示剂1为3.0℃/分以下，也满足特定要求 条件。 如果满足要求，则可以提供吸水性树脂，吸收性物品和吸收性物品，其具有0〜3.0℃/分钟以下的保温指示剂1，并且显示优异的保温性和吸收性。
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