公开(公告)号：US09180220B2

公开(公告)日：2015-11-10

申请号：US13467236

申请日：2012-05-09

申请人： Kazushi Torii ,  Hirofumi Shibata ,  Kazuki Kimura ,  Yasuhisa Nakashima ,  Motohiro Imura ,  Hiroko Ueda ,  Katsuyuki Wada

发明人： Kazushi Torii ,  Hirofumi Shibata ,  Kazuki Kimura ,  Yasuhisa Nakashima ,  Motohiro Imura ,  Hiroko Ueda ,  Katsuyuki Wada

IPC分类号： C08G63/91 ,  C08F20/00 ,  B01J20/10 ,  B01J20/22 ,  B01J20/28 ,  B01J20/32 ,  A61L15/60 ,  A61L15/18 ,  B01J20/26 ,  C08L101/14

CPC分类号： A61L15/60 ,  A61L15/18 ,  B01J20/103 ,  B01J20/26 ,  B01J20/261 ,  B01J20/267 ,  B01J2220/46 ,  B01J2220/68 ,  C08K3/36 ,  C08L101/14 ,  Y10T428/253

摘要： A water absorbing agent of the present invention has an internal crosslinking structure obtained by polymerization of a water-soluble unsaturated monomer. The agent satisfies conditions (a) to (d): (a) the agent contains water-insoluble inorganic particles at an amount of from 10 ppm to 1,900 ppm inclusive; (b) the agent contains 5 mass % or less particles which have such a size that they can pass through a sieve having a mesh opening size of 150 μm; (c) the agent has an absorbency against a pressure of 4.83 kPa (AAP) of 18 g/g or more; and (d) the water-insoluble inorganic particles reside on a surface of the water absorbing resin or near the surface.

摘要翻译： 本发明的吸水剂具有通过聚合水溶性不饱和单体获得的内部交联结构。 该试剂满足条件（a）至（d）：（a）该试剂含有量为10ppm至1,900ppm的水不溶性无机颗粒; （b）该试剂含有5质量％以下的粒径，使其能够通过网孔大小为150μm的筛子; （c）该试剂具有相对于4.83kPa（AAP）的压力为18g / g以上的吸收性; 和（d）水不溶性无机颗粒驻留在吸水树脂的表面上或表面附近。

公开(公告)号：US20090298685A1

公开(公告)日：2009-12-03

申请号：US12294328

申请日：2007-03-20

申请人： Kazushi Torii ,  Hirofumi Shibata ,  Kazuki Kimura ,  Yasuhisa Nakashima ,  Motohiro Imura ,  Hiroko Ueda ,  Katsuyuki Wada

发明人： Kazushi Torii ,  Hirofumi Shibata ,  Kazuki Kimura ,  Yasuhisa Nakashima ,  Motohiro Imura ,  Hiroko Ueda ,  Katsuyuki Wada

IPC分类号： B01J20/26

CPC分类号： A61L15/60 ,  A61L15/18 ,  B01J20/103 ,  B01J20/26 ,  B01J20/261 ,  B01J20/267 ,  B01J2220/46 ,  B01J2220/68 ,  C08K3/36 ,  C08L101/14 ,  Y10T428/253

摘要： A water absorbing agent of the present invention has an internal crosslinking structure obtained by polymerization of a water-soluble unsaturated monomer. The agent satisfies conditions (a) to (d): (a) the agent contains water-insoluble inorganic particles at an amount of from 10 ppm to 1,900 ppm inclusive; (b) the agent contains 5 mass % or less particles which have such a size that they can pass through a sieve having a mesh opening size of 150 μm; (c) the agent has an absorbency against a pressure of 4.83 kPa (AAP) of 18 g/g or more; and (d) the water-insoluble inorganic particles reside on a surface of the water absorbing resin or near the surface.

摘要翻译： 本发明的吸水剂具有通过聚合水溶性不饱和单体获得的内部交联结构。 该试剂满足条件（a）至（d）：（a）该试剂含有10ppm至1,900ppm含量的水不溶性无机颗粒; （b）该试剂含有5质量％以下的颗粒，其尺寸可以通过网孔大小为150μm的筛子; （c）该试剂具有相对于4.83kPa（AAP）的压力为18g / g以上的吸收性; 和（d）水不溶性无机颗粒驻留在吸水树脂的表面上或表面附近。

公开(公告)号：US08198209B2

公开(公告)日：2012-06-12

申请号：US12294328

申请日：2007-03-20

申请人： Kazushi Torii ,  Hirofumi Shibata ,  Kazuki Kimura ,  Yasuhisa Nakashima ,  Motohiro Imura ,  Hiroko Ueda ,  Katsuyuki Wada

发明人： Kazushi Torii ,  Hirofumi Shibata ,  Kazuki Kimura ,  Yasuhisa Nakashima ,  Motohiro Imura ,  Hiroko Ueda ,  Katsuyuki Wada

IPC分类号： B01J20/26 ,  B01J20/10 ,  B32B5/24

CPC分类号： A61L15/60 ,  A61L15/18 ,  B01J20/103 ,  B01J20/26 ,  B01J20/261 ,  B01J20/267 ,  B01J2220/46 ,  B01J2220/68 ,  C08K3/36 ,  C08L101/14 ,  Y10T428/253

摘要： A water absorbing agent of the present invention has an internal crosslinking structure obtained by polymerization of a water-soluble unsaturated monomer. The agent satisfies conditions (a) to (d): (a) the agent contains water-insoluble inorganic particles at an amount of from 10 ppm to 1,900 ppm inclusive; (b) the agent contains 5 mass % or less particles which have such a size that they can pass through a sieve having a mesh opening size of 150 μm; (c) the agent has an absorbency against a pressure of 4.83 kPa (AAP) of 18 g/g or more; and (d) the water-insoluble inorganic particles reside on a surface of the water absorbing resin or near the surface.

摘要翻译： 本发明的吸水剂具有通过聚合水溶性不饱和单体获得的内部交联结构。 该试剂满足条件（a）至（d）：（a）该试剂含有10ppm至1,900ppm含量的水不溶性无机颗粒; （b）该试剂含有5质量％以下的粒径，使其能够通过网孔大小为150μm的筛子; （c）该试剂具有相对于4.83kPa（AAP）的压力为18g / g以上的吸收性; 和（d）水不溶性无机颗粒驻留在吸水树脂的表面上或表面附近。

公开(公告)号：US20120305842A1

公开(公告)日：2012-12-06

申请号：US13467236

申请日：2012-05-09

申请人： Kazushi Torii ,  Hirofumi Shibata ,  Kazuki Kimura ,  Yasuhisa Nakashima ,  Motohiro Imura ,  Hiroko Ueda ,  Katsuyuki Wada

发明人： Kazushi Torii ,  Hirofumi Shibata ,  Kazuki Kimura ,  Yasuhisa Nakashima ,  Motohiro Imura ,  Hiroko Ueda ,  Katsuyuki Wada

IPC分类号： C08L35/02

CPC分类号： A61L15/60 ,  A61L15/18 ,  B01J20/103 ,  B01J20/26 ,  B01J20/261 ,  B01J20/267 ,  B01J2220/46 ,  B01J2220/68 ,  C08K3/36 ,  C08L101/14 ,  Y10T428/253

摘要： A water absorbing agent of the present invention has an internal crosslinking structure obtained by polymerization of a water-soluble unsaturated monomer. The agent satisfies conditions (a) to (d): (a) the agent contains water-insoluble inorganic particles at an amount of from 10 ppm to 1,900 ppm inclusive; (b) the agent contains 5 mass % or less particles which have such a size that they can pass through a sieve having a mesh opening size of 150 μm; (c) the agent has an absorbency against a pressure of 4.83 kPa (AAP) of 18 g/g or more; and (d) the water-insoluble inorganic particles reside on a surface of the water absorbing resin or near the surface.

摘要翻译： 本发明的吸水剂具有通过聚合水溶性不饱和单体获得的内部交联结构。 该试剂满足条件（a）至（d）：（a）该试剂含有10ppm至1,900ppm含量的水不溶性无机颗粒; （b）该试剂含有5质量％以下的粒径，使其能够通过网孔大小为150μm的筛子; （c）该试剂具有相对于4.83kPa（AAP）的压力为18g / g以上的吸收性; 和（d）水不溶性无机颗粒驻留在吸水树脂的表面上或表面附近。

公开(公告)号：US09044525B2

公开(公告)日：2015-06-02

申请号：US14129792

申请日：2012-06-29

申请人： Kazushi Torii ,  Reiko Nakatsuru ,  Yasuhisa Nakashima ,  Katsuyuki Wada ,  Kunihiko Ishizaki

发明人： Kazushi Torii ,  Reiko Nakatsuru ,  Yasuhisa Nakashima ,  Katsuyuki Wada ,  Kunihiko Ishizaki

IPC分类号： A61L15/26 ,  A61L15/60 ,  C08F20/06 ,  C08J3/24 ,  C08K5/00 ,  C08L33/02 ,  C08K5/17

CPC分类号： A61L15/26 ,  A61L15/60 ,  C08F20/06 ,  C08F220/06 ,  C08J3/245 ,  C08J2333/02 ,  C08K5/0091 ,  C08K5/175 ,  C08L33/02 ,  Y10T428/2982 ,  C08F2222/1013

摘要： Provided is a water absorbent resin having excellent liquid permeability, water absorbent speed, anti-impact stability, and weather resistance. Provided is a polyacrylic acid (salt)-based water absorbent resin powder in which the water absorption capacity without load (CRC) is 30 to 45 [g/g], the water absorption capacity under load (AAP 0.3) is 20 to 35 [g/g], the water absorption capacity under load (AAP 0.7) is 10 to 28 [g/g], and the weight average particle diameter (D50) is 300 to 500 μm, characterized by including p-methoxyphenol; having a degradable soluble component (0.05% L-A (saline) for 2 hours/60° C., one hour extraction rinse/room temperature) of 40% by weight or less; and having a internal gas bubbles ratio of 0.1 to 2.5%, as specified by the following equation. (Internal gas bubbles ratio)[%]={(True density)−(Apparent density)}/(True density)×100

摘要翻译： 提供具有优异的透液性，吸水速度，抗冲击稳定性和耐候性的吸水性树脂。 本发明提供无负载吸水能力（CRC）为30〜45 [g / g]的聚丙烯酸（盐）系吸水性树脂粉末，负荷吸水量（AAP 0.3）为20〜35 [ g / g]，负荷下的吸水量（AAP 0.7）为10〜28 [g / g]，重均粒径（D50）为300〜500μm，其特征在于包括对甲氧基苯酚; 具有40重量％以下的可降解可溶成分（0.05％L-A（盐水）2小时/ 60℃，1小时萃取冲洗/室温） 内部气泡比为0.1〜2.5％，如下式所示。 （内部气泡比）[％] = {（真密度） - （表观密度）} /（真密度）×100

公开(公告)号：US08952116B2

公开(公告)日：2015-02-10

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： C08F220/06 ,  C08K5/098 ,  C08L33/02 ,  B01J20/22 ,  B01J20/26 ,  B01J20/30 ,  A61L15/60 ,  C08J3/24

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。

公开(公告)号：US20090036855A1

公开(公告)日：2009-02-05

申请号：US11658879

申请日：2005-08-05

申请人： Katsuyuki Wada ,  Hiroko Ueda ,  Teruyuki Kanto ,  Kunihiko Ishizaki ,  Motohiro Imura

发明人： Katsuyuki Wada ,  Hiroko Ueda ,  Teruyuki Kanto ,  Kunihiko Ishizaki ,  Motohiro Imura

IPC分类号： A61F13/53 ,  B01J20/28

CPC分类号： B01J20/261 ,  A61F13/531 ,  A61F2013/530569 ,  A61F2013/5307 ,  A61F2013/530751 ,  A61L15/60 ,  B01J20/26 ,  B01J20/2803 ,  B01J2220/68 ,  C08F6/18 ,  C08F220/06

摘要： Reversed phase suspension polymerization is allowed while controlling content of minor components in monomer, particularly controlling a content of acetic acid and propionic acid being not higher than 500 ppm, controlling a content of acrylic acid dimer being not higher than 1000 ppm, in acrylic acid. Cross-linked polymer obtained by the polymerization is subjected to a surface crosslinking treatment without substantially using an organic solvent, and under heating at high temperature (150° C. or higher and 250° C. or lower). Thereafter, agglomeration is carried out without substantially using an organic solvent. Accordingly, a particulate water-absorbing agent including a water-absorbing resin having superior property, and being suited for practical applications at high concentrations in absorbing cores such as a diaper and the like without generation of any odor of the organic solvent can be obtained because no volatile organic compound is included.

摘要翻译： 在丙烯酸​​中控制丙烯酸二聚体的含量控制丙烯酸二聚体的含量不高于500ppm，特别是控制乙酸和丙酸的含量不高于500ppm，同时控制单体中少量成分的含量，进行反相悬浮聚合。 通过聚合得到的交联聚合物基本上不使用有机溶剂进行表面交联处理，并在高温（150℃以上且250℃以下）下加热。 此后，基本上不使用有机溶剂进行附聚。 因此，可以获得包含具有优异性能的吸水性树脂的颗粒状吸水剂，并且可以获得不产生有机溶剂的任何气味的高吸收性芯材如尿布等的实际应用的颗粒状吸水剂，因为 不含挥发性有机化合物。

公开(公告)号：US20140193641A1

公开(公告)日：2014-07-10

申请号：US14129792

申请日：2012-06-29

申请人： Kazushi Torii ,  Reiko Nakatsuru ,  Yasuhisa Nakashima ,  Katsuyuki Wada ,  Kunihiko Ishizaki

发明人： Kazushi Torii ,  Reiko Nakatsuru ,  Yasuhisa Nakashima ,  Katsuyuki Wada ,  Kunihiko Ishizaki

IPC分类号： A61L15/26 ,  A61L15/60

CPC分类号： A61L15/26 ,  A61L15/60 ,  C08F20/06 ,  C08F220/06 ,  C08J3/245 ,  C08J2333/02 ,  C08K5/0091 ,  C08K5/175 ,  C08L33/02 ,  Y10T428/2982 ,  C08F2222/1013

摘要： Provided is a water absorbent resin having excellent liquid permeability, water absorbent speed, anti-impact stability, and weather resistance. Provided is a polyacrylic acid (salt)-based water absorbent resin powder in which the water absorption capacity without load (CRC) is 30 to 45 [g/g], the water absorption capacity under load (AAP 0.3) is 20 to 35 [g/g], the water absorption capacity under load (AAP 0.7) is 10 to 28 [g/g], and the weight average particle diameter (D50) is 300 to 500 μm, characterized by including p-methoxyphenol; having a degradable soluble component (0.05% L-A (saline) for 2 hours/60° C., one hour extraction rinse/room temperature) of 40% by weight or less; and having a internal gas bubbles ratio of 0.1 to 2.5%, as specified by the following equation. (Internal gas bubbles ratio)[%]={(True density)−(Apparent density)}/(True density)×100

摘要翻译： 提供具有优异的透液性，吸水速度，抗冲击稳定性和耐候性的吸水性树脂。 本发明提供无负载吸水能力（CRC）为30〜45 [g / g]的聚丙烯酸（盐）系吸水性树脂粉末，负荷吸水量（AAP 0.3）为20〜35 [ g / g]，负荷下的吸水量（AAP 0.7）为10〜28 [g / g]，重均粒径（D50）为300〜500μm，其特征在于包括对甲氧基苯酚， 具有40重量％以下的可降解可溶成分（0.05％L-A（盐水）2小时/ 60℃，1小时萃取冲洗/室温） 内部气泡比为0.1〜2.5％，如下式所示。 （内部气泡比）[％] = {（真密度） - （表观密度）} /（真密度）×100

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。

公开(公告)号：US07825169B2

公开(公告)日：2010-11-02

申请号：US10448456

申请日：2003-05-30

申请人： Katsuyuki Wada ,  Hiroko Ueda ,  Kunihiko Ishizaki ,  Yoshio Irie ,  Yasuhisa Nakashima

发明人： Katsuyuki Wada ,  Hiroko Ueda ,  Kunihiko Ishizaki ,  Yoshio Irie ,  Yasuhisa Nakashima

IPC分类号： A61L9/013

CPC分类号： A61L15/60 ,  A61F13/8405 ,  A61L9/01 ,  A61L15/40 ,  B01J20/267 ,  B01J2220/4875

摘要： A water-absorbent composition includes: a specific plant extract; a water-absorbent resin whose surface portion and/or periphery thereof is treated; and/or a water-absorbent resin having a specific property. Specifically, it is preferable to use a water-absorbent resin having three characteristics: (1) a specific neutralization rate, (2) a specific particle diameter, and (3) a specific plant extract. The water-absorbent composition has a superior deodorant performance and an absorbent characteristic when the water-absorbent composition is used (provided) in an absorbing product such as a paper diaper, thereby providing a superior deodorant performance and a superior absorbent characteristic to the foregoing absorbing product.

摘要翻译： 吸水组合物包括：特定植物提取物; 其表面部分和/或其周边被处理的吸水性树脂; 和/或具有特定性质的吸水性树脂。 具体而言，优选使用具有三个特征的吸水性树脂：（1）特定中和率，（2）特定粒径，和（3）特定植物提取物。 吸水性组合物在纸尿布等吸收体中使用（设置）吸水性组合物时具有优异的除臭性能和吸收特性，从而为上述吸收性物质提供优异的除臭性能和优异的吸收特性 产品。