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1. 发明公开

EP1199327A2 Water-absorbing agent and process for producing the same 有权
标题翻译： Wasserabsorbierendes Mittel und Verfahren zu seiner Herstellung
公开(公告)号：EP1199327A2
公开(公告)日：2002-04-24
申请号：EP01124995.0
申请日：2001-10-19
申请人： Nippon Shokubai Co., Ltd.
发明人： Ikeuchi, Hiroyuki , Harada, Nobuyuki , Masuda, Yoshihiko
IPC分类号： C08J3/24 , C08K5/1525 , C08K5/3445
CPC分类号： C08J3/245 , C08J2300/14 , C08K5/1535 , C08K5/353
摘要： The present invention provides: a process for producing a water-absorbing agent at low temperature in a short time, wherein the water-absorbing agent has excellent balance between the absorption capacity without load and the absorption capacity under a load, high fluidity under a hygroscopic atmosphere, and excellent safety; and a novel water-absorbing agent and a novel crosslinking agent particularly suitable for crosslinking water-absorbent resins. The water-absorbing agent, having excellent balance between the absorption capacity without load and the absorption capacity under a load, high fluidity under a hygroscopic atmosphere, and excellent safety, can be obtained by using an oxetane compound and/or an imidazolidinone compound for a water-absorbent resin.
摘要翻译：本发明提供了一种在短时间内在低温下制造吸水剂的方法，其中吸水剂在无负载的吸收容量和负载下的吸收能力之间具有优异的平衡，在吸湿性下具有高流动性气氛好，安全性好; 以及特别适用于交联吸水性树脂的新型吸水剂和新型交联剂。通过使用氧杂环丁烷化合物和/或咪唑啉酮化合物可以获得在吸收能力无负载和负载下的吸收能力，吸湿性气氛下的高流动性和优异的安全性之间具有优异平衡的吸水剂吸水树脂。

2. 发明公开

EP1029886A3 Water-absorbent resin powder and its production process and use 有权
标题翻译：吸水性树脂粉末，其生产及应用
公开(公告)号：EP1029886A3
公开(公告)日：2000-12-27
申请号：EP00102987.5
申请日：2000-02-14
申请人： Nippon Shokubai Co., Ltd.
发明人： Hatsuda, Takumi , Ikeuchi, Hiroyuki , Miyake, Koji , Irie, Yoshio , Ishizaki, Kunihiko
IPC分类号： C08J3/12
CPC分类号： C08J3/12 , C08J3/122 , C08J2300/14
摘要： The present invention provides a water-absorbent resin powder and its production process and use, wherein the water-absorbent resin powder has high liquid permeability, and further, high water absorbency. The production process for a water-absorbent resin powder, according to the present invention, comprises the step of obtaining water-absorbent crosslinked polymer particles by way of an aqueous solution polymerization step, and is characterized by further comprising the step of grinding the resultant crosslinked polymer particles until the bulk density thereof increases to not lower than 0.72 (g/ml). The water-absorbent resin powder, according to the present invention, is characterized by being an arbitrarily pulverized one having a bulk density of not lower than 0.74 (g/ml) and a water absorption capacity of not lower than 20 (g/g) for 0.9 weight % physiological saline under a load of 0.7 psi (4.83 kPa). In addition, the absorbent structure, according to the present invention, is characterized by comprising the above water-absorbent resin powder and a fibrous material. The absorbent article, according to the present invention, is characterized by comprising an absorbent layer including the above absorbent structure.

3. 发明公开

EP1029886A2 Water-absorbent resin powder and its production process and use 有权
标题翻译：吸水树脂粉及其生产工艺和用途
公开(公告)号：EP1029886A2
公开(公告)日：2000-08-23
申请号：EP00102987.5
申请日：2000-02-14
申请人： Nippon Shokubai Co., Ltd.
发明人： Hatsuda, Takumi , Ikeuchi, Hiroyuki , Miyake, Koji , Irie, Yoshio , Ishizaki, Kunihiko
IPC分类号： C08J3/12
CPC分类号： C08J3/12 , C08J3/122 , C08J2300/14
摘要： The present invention provides a water-absorbent resin powder and its production process and use, wherein the water-absorbent resin powder has high liquid permeability, and further, high water absorbency. The production process for a water-absorbent resin powder, according to the present invention, comprises the step of obtaining water-absorbent crosslinked polymer particles by way of an aqueous solution polymerization step, and is characterized by further comprising the step of grinding the resultant crosslinked polymer particles until the bulk density thereof increases to not lower than 0.72 (g/ml). The water-absorbent resin powder, according to the present invention, is characterized by being an arbitrarily pulverized one having a bulk density of not lower than 0.74 (g/ml) and a water absorption capacity of not lower than 20 (g/g) for 0.9 weight % physiological saline under a load of 0.7 psi (4.83 kPa). In addition, the absorbent structure, according to the present invention, is characterized by comprising the above water-absorbent resin powder and a fibrous material. The absorbent article, according to the present invention, is characterized by comprising an absorbent layer including the above absorbent structure.
摘要翻译：本发明提供一种吸水性树脂粉末及其制造方法和用途，其中，吸水性树脂粉末具有高透液性，并且还具有高吸水性。根据本发明的吸水性树脂粉末的生产方法包括通过水溶液聚合步骤获得吸水性交联聚合物颗粒的步骤，并且其特征在于还包括研磨所得交联聚合物颗粒的步骤直至其堆积密度增加至不低于0.72（g / ml）。根据本发明的吸水性树脂粉末的特征在于具有不小于0.74（g / ml）的堆积密度和不小于20（g / g）的吸水容量的任意粉碎的粉末，对于0.7磅/平方英寸（4.83千帕）的负载下的0.9重量％生理盐水。此外，根据本发明的吸收性结构体的特征在于包含上述吸水性树脂粉末和纤维材料。根据本发明的吸收性物品的特征在于包括包含上述吸收性结构的吸收层。

4. 发明公开

EP1516884A3 Water-absorbent resin having treated surface and process for producing the same 有权
标题翻译：与经处理的表面和处理其制备吸水性树脂
公开(公告)号：EP1516884A3
公开(公告)日：2006-07-05
申请号：EP04021552.7
申请日：2004-09-10
申请人： NIPPON SHOKUBAI CO., LTD.
发明人： Torii, Kazushi , Iwamura, Taku , Ikeuchi, Hiroyuki , Machida, Sayaka
IPC分类号： C08F20/06 , C08F2/10 , A61L15/60
CPC分类号： A61L15/60 , C08F8/42 , C08F2810/20 , C08J3/245 , C08J2300/14 , C08F220/06
摘要： An object of the present invention is to provide: a water-absorbent resin which can sufficiently overcome the problem of the gel blocking, can manifest sufficient absorption capacity without load and sufficient absorption capacity under load and, at the same time, can also exert excellent liquid permeability under load; and a process for producing the same. As a means of achieving this object, a first production process among the processes according to the present invention for producing a water-absorbent resin having a treated surface is a process comprising: a step of mixing a water-absorbent resin having an internal crosslinked structure obtained by polymerizing a monomer containing acrylic acid and/or a salt thereof as a main component, a complex containing a polyvalent metal atom as a central atom and an organic secondary crosslinking agent in the presence of an aqueous liquid; and a step of crosslinking a surface of the water-absorbent resin with the organic secondary crosslinking agent. And a second production process is a process comprising a step of mixing a water-absorbent resin having an internal crosslinked structure and a crosslinked surface obtained by polymerizing a monomer containing acrylic acid and/or a salt thereof as a main component, and a complex containing a polyvalent metal atom as a central atom in the presence of an aqueous liquid.
摘要翻译：本发明的目的是提供：一种吸水树脂能够充分克服凝胶阻塞的麻烦，可以表现足够的吸收容量，而无需在负载下和负载足够的吸收能力，并且在在Sametime，因此可以发挥优异的负载下的液体渗透性; 而生产同样的过程。作为实现该目的，雅鼎在本发明的方法用于制备具有经处理的表面的吸水性树脂中的第一种生产方法的一个手段是一种方法，其包括：具有内部交联结构的吸水性树脂混合的步骤通过单体含有丙烯酸和/或作为主要成分，一个复杂的含有多价金属原子作为中心原子，并在在wässrige液体存在有机二次交联剂及其盐聚合而得到; 和交联吸水性树脂的表面与有机二次交联剂的步骤。和第二制造工序是包含具有在内部交联结构和吸水性树脂通过聚合单体含有丙烯酸和/或作为主要成分的化合物或其盐而获得的交联表面混合的步骤的方法，和一个复杂的含多价金属原子作为在含水液体存在一个中心原子。

5. 发明授权

EP1029886B2 Water-absorbent resin powder and its production process and use 有权
标题翻译：吸水性树脂粉末，其生产及应用
公开(公告)号：EP1029886B2
公开(公告)日：2013-09-25
申请号：EP00102987.5
申请日：2000-02-14
申请人： NIPPON SHOKUBAI CO., LTD.
发明人： Hatsuda, Takumi , Ikeuchi, Hiroyuki , Miyake, Koji , Irie, Yoshio , Ishizaki, Kunihiko
IPC分类号： C08J3/12 , C08L101/14
CPC分类号： C08J3/12 , C08J3/122 , C08J2300/14

6. 发明授权

EP1516884B1 Water-absorbent resin having treated surface and process for producing the same 有权
标题翻译：与经处理的表面和处理其制备吸水性树脂
公开(公告)号：EP1516884B1
公开(公告)日：2009-03-25
申请号：EP04021552.7
申请日：2004-09-10
申请人： NIPPON SHOKUBAI CO., LTD.
发明人： Torii, Kazushi , Iwamura, Taku , Ikeuchi, Hiroyuki , Machida, Sayaka
IPC分类号： C08F20/06 , C08F2/10 , A61L15/60
CPC分类号： A61L15/60 , C08F8/42 , C08F2810/20 , C08J3/245 , C08J2300/14 , C08F220/06

7. 发明授权

EP1837348B1 Water-absorbing resin and method for manufacturing the same 有权
标题翻译：吸水其制备树脂和过程
公开(公告)号：EP1837348B1
公开(公告)日：2013-09-18
申请号：EP07005807.8
申请日：2007-03-21
申请人： Nippon Shokubai Co.,Ltd.
发明人： Sakamoto, Shigeru , Ikeuchi, Hiroyuki , Machida, Sayaka
IPC分类号： C08F2/44
摘要： The present invention provides a highly productive method for manufacturing a water-absorbing resin, the amounts of fine powder and dust of which are small, the amount of residual monomer of which is small, and whose absorption rate is high. That is, the method for manufacturing the water-absorbing resin of the present invention is a method for crosslinking and polymerizing an aqueous solution of an acid-group containing unsaturated monomer, and is characterized in that stationary polymerization is carried out in such a manner that a solid matter is added to the monomer aqueous solution, and an initiation temperature of the polymerization is adjusted to 40°C or more or a maximum temperature of the polymerization is adjusted to 100°C or more.

8. 发明授权

EP1199327B1 Water-absorbing agent and process for producing the same 有权
标题翻译：其制备吸水剂和工艺
公开(公告)号：EP1199327B1
公开(公告)日：2007-07-25
申请号：EP01124995.0
申请日：2001-10-19
申请人： NIPPON SHOKUBAI CO., LTD.
发明人： Ikeuchi, Hiroyuki , Harada, Nobuyuki , Masuda, Yoshihiko
IPC分类号： C08J3/24 , C08K5/1525 , C08K5/3445 , C08K5/353 , C08L101/14
CPC分类号： C08J3/245 , C08J2300/14 , C08K5/1535 , C08K5/353

9. 发明公开

EP1516884A2 Water-absorbent resin having treated surface and process for producing the same 有权
标题翻译：与经处理的表面和处理其制备吸水性树脂
公开(公告)号：EP1516884A2
公开(公告)日：2005-03-23
申请号：EP04021552.7
申请日：2004-09-10
申请人： Nippon Shokubai Co., Ltd.
发明人： Torii, Kazushi , Iwamura, Taku , Ikeuchi, Hiroyuki , Machida, Sayaka
IPC分类号： C08F20/06 , C08F2/10 , A61L15/60
CPC分类号： A61L15/60 , C08F8/42 , C08F2810/20 , C08J3/245 , C08J2300/14 , C08F220/06
摘要： An object of the present invention is to provide: a water-absorbent resin which can sufficiently overcome the problem of the gel blocking, can manifest sufficient absorption capacity without load and sufficient absorption capacity under load and, at the same time, can also exert excellent liquid permeability under load; and a process for producing the same. As a means of achieving this object, a first production process among the processes according to the present invention for producing a water-absorbent resin having a treated surface is a process comprising: a step of mixing a water-absorbent resin having an internal crosslinked structure obtained by polymerizing a monomer containing acrylic acid and/or a salt thereof as a main component, a complex containing a polyvalent metal atom as a central atom and an organic secondary crosslinking agent in the presence of an aqueous liquid; and a step of crosslinking a surface of the water-absorbent resin with the organic secondary crosslinking agent. And a second production process is a process comprising a step of mixing a water-absorbent resin having an internal crosslinked structure and a crosslinked surface obtained by polymerizing a monomer containing acrylic acid and/or a salt thereof as a main component, and a complex containing a polyvalent metal atom as a central atom in the presence of an aqueous liquid.

10. 发明公开

EP1199327A3 Water-absorbing agent and process for producing the same 有权
标题翻译：其制备吸水剂和工艺
公开(公告)号：EP1199327A3
公开(公告)日：2004-01-07
申请号：EP01124995.0
申请日：2001-10-19
申请人： Nippon Shokubai Co., Ltd.
发明人： Ikeuchi, Hiroyuki , Harada, Nobuyuki , Masuda, Yoshihiko
IPC分类号： C08J3/24 , C08K5/1525 , C08K5/3445 , C08K5/353
CPC分类号： C08J3/245 , C08J2300/14 , C08K5/1535 , C08K5/353
摘要： The present invention provides: a process for producing a water-absorbing agent at low temperature in a short time, wherein the water-absorbing agent has excellent balance between the absorption capacity without load and the absorption capacity under a load, high fluidity under a hygroscopic atmosphere, and excellent safety; and a novel water-absorbing agent and a novel crosslinking agent particularly suitable for crosslinking water-absorbent resins. The water-absorbing agent, having excellent balance between the absorption capacity without load and the absorption capacity under a load, high fluidity under a hygroscopic atmosphere, and excellent safety, can be obtained by using an oxetane compound and/or an imidazolidinone compound for a water-absorbent resin.

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