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1. 发明申请

WO2007072969A1 WATER-ABSORBENT RESIN COMPOSITION, METHOD OF MANUFACTURING THE SAME, AND ABSORBENT ARTICLE 审中-公开
标题翻译：吸水树脂组合物，其制造方法和吸收性物品
公开(公告)号：WO2007072969A1
公开(公告)日：2007-06-28
申请号：PCT/JP2006/325691
申请日：2006-12-19
申请人： NIPPON SHOKUBAI Co., Ltd. , NAKAMURA, Masatoshi , MIYAKE, Koji , IWAMURA, Taku , WATANABE, Yusuke
发明人： NAKAMURA, Masatoshi , MIYAKE, Koji , IWAMURA, Taku , WATANABE, Yusuke
IPC分类号： C08L101/08 , A61F13/15 , A61F13/49 , A61F13/53 , C08L33/02
CPC分类号： C08L101/14 , C08L33/02 , C08L2312/00
摘要： A water-absorbent resin composition is provided which shows only small reduction in liquid permeability and limited coloring over time or in relation to another factor. The water-absorbent resin composition (particulate absorbent agent) of the present invention contains: a polycarboxylate-based water-absorbent resin as a primary component, the resin having a crosslinked structure formed by polymerization of an acid group-containing unsaturated monomer; and multivalent metal cations (preferably, on surfaces of particles (i.e., the water-absorbent resin composition)) wherein: the multivalent metal cations other than Fe cations account for 0.001 to 1 mass% of the water-absorbent resin; and the ratio of the Fe cations to the multivalent metal cations other than the Fe cations is less than or equal to 5.00 mass%.
摘要翻译：提供了一种吸水性树脂组合物，其显示出随着时间或与另一个因素相关的液体渗透性和有限着色的微小降低。本发明的吸水性树脂组合物（颗粒状吸收剂）含有：作为主要成分的聚羧酸酯系吸水性树脂，具有通过含酸基的不饱和单体的聚合形成的交联结构的树脂; 和多价金属阳离子（优选在颗粒表面（即吸水性树脂组合物）），其中：Fe阳离子以外的多价金属阳离子占吸水性树脂的0.001〜1质量％ Fe阳离子与Fe阳离子以外的多价金属阳离子的比例小于或等于5.00质量％。

2. 发明申请

WO2004069293A1 WATER-ABSORBENT RESIN COMPOSITION AND ITS PRODUCTION PROCESS 审中-公开
标题翻译：吸水树脂组合物及其生产工艺
公开(公告)号：WO2004069293A1
公开(公告)日：2004-08-19
申请号：PCT/JP2004/001294
申请日：2004-02-06
申请人： NIPPON SHOKUBAI CO., LTD. , TORII, Kazushi , MITSUKAMI, Yoshiro , IMURA, Motohiro , IWAMURA, Taku , KITAYAMA, Toshimasa , KADONAGA, Kenji , INOUE, Hiroki , MIYAKE, Koji , NOGI, Kozo , NAKAMURA, Masatoshi , SAKAMOTO, Shigeru , MACHIDA, Sayaka
发明人： TORII, Kazushi , MITSUKAMI, Yoshiro , IMURA, Motohiro , IWAMURA, Taku , KITAYAMA, Toshimasa , KADONAGA, Kenji , INOUE, Hiroki , MIYAKE, Koji , NOGI, Kozo , NAKAMURA, Masatoshi , SAKAMOTO, Shigeru , MACHIDA, Sayaka
IPC分类号： A61L15/60
CPC分类号： A61L15/60
摘要： There are disclosed a water-absorbent resin composition and its production process, wherein the water-absorbent resin composition causes little gel-blocking and is excellent in the liquid permeability and liquid diffusibility and is high also in the absorption performances and futher is strong also against the physical damage ; and there are futher disclosed a water-absorbent resin composition and its production process, wherein the water-absorbent resin composition has the following futher advantages, in addtion to the above, of involving little segregation of the metal compound and futher having a dust prevention effect. One of water-absorbent resin compositions according to the present invention is a water-absorbent resin composition comprising water-absorbent resin particles obtained by polymerizing a monomer including acrylic acid and/or its salt, with the composition having a mass-average particle diameter of 100 to 600 µm and comprising water-soluble polyvalent metal salt particles and the water-absorbent resin particles that have been surface-crosslinked.
摘要翻译：公开了一种吸水性树脂组合物及其制造方法，其中吸水性树脂组合物几乎没有凝胶阻塞，并且在液体渗透性和液体扩散性方面优异，而且在吸收性能方面也较高，而且对于物理伤害; 并且进一步公开了吸水性树脂组合物及其制造方法，其中吸水性树脂组合物具有以下优点，除了上述之外，涉及金属化合物的少量分离，并且还具有防尘效果。根据本发明的吸水性树脂组合物之一是吸水性树脂组合物，其包含通过使包含丙烯酸和/或其盐的单体聚合而获得的吸水性树脂颗粒，该组合物的质量平均粒径为 100〜600μm，并且包含水溶性多价金属盐颗粒和表面交联的吸水性树脂颗粒。

3. 发明申请

WO2005108472A1 WATER ABSORBING AGENT AND PRODUCTION METHOD THEREOF 审中-公开
标题翻译：吸水剂及其生产方法
公开(公告)号：WO2005108472A1
公开(公告)日：2005-11-17
申请号：PCT/JP2005/008577
申请日：2005-04-28
申请人： NIPPON SHOKUBAI Co., Ltd. , NAKAMURA, Masatoshi , MIYAKE, Koji , SHIBATA, Hirofumi
发明人： NAKAMURA, Masatoshi , MIYAKE, Koji , SHIBATA, Hirofumi
IPC分类号： C08J3/00
CPC分类号： C08J3/245 , A61L15/60 , C08J2300/14 , C08L33/00
摘要： According to a water absorbing agent of the present invention and a method of the present invention for producing the water absorbing agent, (i) water absorbent resin particles having an internal cross-linked structure obtained by polymerizing a water-soluble unsaturated monomer, (ii) organic acid (salt), and (iii) water-soluble multivalent metal salt are mixed, so that it is possible to provide a water absorbing agent which suppresses permeation of metal components into the water absorbent resin particles and enables the metal components to evenly adhere to an entire surface of the water absorbent resin in a dot manner.
摘要翻译：根据本发明的吸水剂和本发明的吸水剂的制造方法，（i）具有通过使水溶性不饱和单体聚合而得到的内部交联结构的吸水性树脂粒子，（ii））有机酸（盐）和（iii）水溶性多价金属盐混合，从而可以提供抑制金属成分渗透到吸水性树脂颗粒中并使金属成分均匀的吸水剂以点状附着在吸水性树脂的整个表面上。

4. 发明申请

WO2008026772A1 PARTICULATE WATER ABSORBING AGENT AND PRODUCTION METHOD THEREOF 审中-公开
标题翻译：颗粒吸水剂及其生产方法
公开(公告)号：WO2008026772A1
公开(公告)日：2008-03-06
申请号：PCT/JP2007/067348
申请日：2007-08-30
申请人： NIPPON SHOKUBAI Co., Ltd. , FUJIMARU, Hirotama , GOTO, Eri , NAKAMURA, Masatoshi , IKEUCHI, Hiroyuki , NAGASAWA, Makoto , TAHARA, Ryoko
发明人： FUJIMARU, Hirotama , GOTO, Eri , NAKAMURA, Masatoshi , IKEUCHI, Hiroyuki , NAGASAWA, Makoto , TAHARA, Ryoko
IPC分类号： C08L33/02 , A61F13/15 , A61F13/49 , A61F13/53 , B01J20/26
CPC分类号： A61L15/60 , A61F2013/530481 , A61L15/24 , C08F120/06 , C08F220/06 , Y10T428/2982 , C08L33/02
摘要： A particulate water absorbing agent includes a polyacrylic acid (salt) water absorbent resin as a main component, wherein the water absorbent resin includes α-hydroxycarboxylic acid (salt), and the absorbing agent satisfies a specific particle size distribution and a specific water absorbing performance, thereby solving the conventional problems. Further, a production method of the water absorbing agent is characterized in that α-hydroxycarboxylic acid (salt) is added to (a) a monomer aqueous solution whose main component is acrylic acid (salt) and which is being cross-linked and polymerized or (b) a hydrogel polymer after the polymerization. As a result, in the particulate water absorbing agent containing the water absorbent resin as a main component, it is possible to realize both excellent water absorbing performance and excellent coloring prevention effect. Further, it is possible to provide an absorbing article particulate water absorbing agent which is suitable for practical use.
摘要翻译：颗粒状吸水剂包括聚丙烯酸（盐）吸水性树脂作为主要成分，其中吸水性树脂包括α-羟基羧酸（盐），并且吸收剂满足特定的粒度分布和比吸水性能从而解决了常规问题。此外，吸水剂的制造方法的特征在于，在（a）主要成分为丙烯酸（盐）并且被交联聚合的单体水溶液中加入α-羟基羧酸（盐），或（b）聚合后的水凝胶聚合物。结果，在含有吸水性树脂作为主要成分的颗粒状吸水剂中，可以实现优异的吸水性能和优异的防着色效果。此外，可以提供适合于实际应用的吸收性物品颗粒状吸水剂。

5. 发明申请

WO2004099265A1 WATER-ABSORBENT RESIN AND ITS PRODUCTION PROCESS 审中-公开
标题翻译：吸水树脂及其生产工艺
公开(公告)号：WO2004099265A1
公开(公告)日：2004-11-18
申请号：PCT/JP2004/006509
申请日：2004-05-07
申请人： NIPPON SHOKUBAI CO. LTD. , WADA, Katsuyuki , NAKAMURA, Masatoshi , KIMURA, Kazuki , ISHIZAKI, Kunihiko
发明人： WADA, Katsuyuki , NAKAMURA, Masatoshi , KIMURA, Kazuki , ISHIZAKI, Kunihiko
IPC分类号： C08F8/00
CPC分类号： C08J3/243 , A61L15/60 , C08F8/00 , C08F2800/20 , C08F2810/20 , C08J3/245 , C08J2300/14 , Y10T428/254 , C08L33/02 , C08F220/04
摘要： Objects of the present invention are: to provided a water-absorbent resin which exhibits excellent balances between water absorption performances; and further to provide a process by which a water- absorbent resin having excellent absorption properties can be produced even if no hydrophilic organic solvent is used, or even if its amount is extremely reduced, when carrying out the surface-crosslinking treatment; and further to provide a water-absorbent resin optimum to absorbent articles such as diapers. As a means of achieving these objects, the process according to the present invention for production of the water-absorbent resin comprises: a step (1) of polymerizing a monomer component including an acid-group-containing unsaturated monomer as an essential component to thereby obtain a hydrogel polymer; a step (2) of drying and pulverizing the hydrogel polymer to thereby obtain a water-absorbent resin power, a step (3) of adding a surface-crosslink-treating agent to the water-absorbent resin powder, wherein the surface-cross-link-treating agent includes a surface-crosslinking agent and water as essential components has a hydrophilic organic solvent content of 0 to 10 mass % relative to the surface-crosslink-treating agent; and a step (4) of heating the resultant mixture to thereby carry out surface-crosslinking treatment, wherein a time of from the end of the step (3) till the beginning of the step (4) is within 5 minutes.
摘要翻译：本发明的目的是提供一种在吸水性能之间显示优异的平衡的吸水性树脂; 并且进一步提供一种在进行表面交联处理时即使没有使用亲水性有机溶剂或甚至其量极少地也可以产生吸收性优异的吸水性树脂的方法; 并且进一步提供对吸收制品如尿布最佳的吸水性树脂。作为实现这些目的的手段，本发明的制造吸水性树脂的方法包括：使包含含酸基的不饱和单体作为必要成分的单体成分聚合的工序（1）获得水凝胶聚合物; 干燥粉碎水凝胶聚合物从而获得吸水性树脂粉末的步骤（2），向吸水性树脂粉末中加入表面交联处理剂的步骤（3），其中，连接处理剂包括表面交联剂和水作为必需组分，亲水性有机溶剂含量相对于表面交联处理剂为0〜10质量％和加热所得混合物进行表面交联处理的步骤（4），其中从步骤（3）结束到步骤（4）开始的时间在5分钟内。

6. 发明授权

EP1594557B1 WATER-ABSORBENT RESIN COMPOSITION AND ITS PRODUCTION PROCESS 有权
公开(公告)号：EP1594557B1
公开(公告)日：2019-05-01
申请号：EP04708891.9
申请日：2004-02-06
申请人： NIPPON SHOKUBAI CO., LTD.
发明人： TORII, Kazushi , MITSUKAMI, Yoshiro , IMURA, Motohiro , IWAMURA, Taku , KITAYAMA, Toshimasa , KADONAGA, Kenji , INOUE, Hiroki , MIYAKE, Koji , NOGI, Kozo , NAKAMURA, Masatoshi , SAKAMOTO, Shigeru , MACHIDA, Sayaka
IPC分类号： A61L15/60

7. 发明公开

EP2669319A1 MANUFACTURING METHOD FOR POLYACRYLIC ACID (SALT)-BASED WATER-ABSORBENT RESIN POWDER 有权
标题翻译： VERFAHREN ZUR HERSTELLUNG EINES WASSERABSERBIERENDEN HARZPULVERS AUFPOLYACRYLSÄURE（SALZ）BASIS
公开(公告)号：EP2669319A1
公开(公告)日：2013-12-04
申请号：EP12739428.6
申请日：2012-01-30
申请人： Nippon Shokubai Co., Ltd.
发明人： NOGI, Kozo , NAKAMURA, Masatoshi , SHIBATA, Koji , HONDA, Koji , WATANABE, Yusuke , MATSUMOTO, Satoshi , NAKATSURU, Reiko , ISHIZAKI, Kunihiko
IPC分类号： C08J3/24
摘要： From a view pint of decreasing an out of spec product after surface crosslinking, particularly, when an alkylene carbonate compound is used as a surface crosslinking agent, influence due to an air temperature is great, and it is necessary to reduce ethylene glycol which is produced as a byproduct.
There is provided a process for producing a polyacrylic acid (salt)-based water absorbent resin powder, comprising storing a non-polymerized organic compound being a raw material (modified raw material) of a water absorbent resin powder in a heated state, thereafter, mixing the non-polymerized organic compound with other compound at a predetermined ratio and, further, mixing the mixture into a water absorbent resin powder.
摘要翻译：特别是在使用碳酸亚烷基酯化合物作为表面交联剂时，从表面交联后的规格产物减少的观点出发，由于空气温度的影响大，需要还原生成的乙二醇作为副产品。提供一种聚丙烯酸（盐）系吸水性树脂粉末的制造方法，其特征在于，将作为吸水性树脂粉末的原料（改性原料）的未聚合有机化合物以加热状态储存，以预定的比例将未聚合的有机化合物与其它化合物混合，再将混合物混合到吸水性树脂粉末中。

8. 发明公开

EP2261148A1 TRANSPORT METHOD FOR ABSORBEND RESIN POWDER 有权
标题翻译：运输工具FÜRWASSERABSORBIERENDEHARZPULVERFÖRMIGESUBSTANZ
公开(公告)号：EP2261148A1
公开(公告)日：2010-12-15
申请号：EP09724541.9
申请日：2009-03-26
申请人： Nippon Shokubai Co., Ltd.
发明人： NOGI, Kozo , NAKAMURA, Masatoshi , MATSUMOTO, Koji , AWAI, Kazuma
IPC分类号： B65G51/02
CPC分类号： C08J3/12 , C08F6/008 , C08J3/075 , C08J3/245 , C08J2333/02
摘要： [PROBLEM] To provide a pneumatic conveyance method for a water-absorbing resin powder substance, which is capable of suppressing property decrease of the water-absorbing resin powder substance, while suppressing obstruction phenomenon.
[SOLUTION] A conveyance method for a water-absorbing resin powder substance by pneumatic conveyance of the water-absorbing resin powder substance during a production step via a transportation pipeline,wherein a variation of a solid-gas ratio (R1/R2) exceeds 1 and is equal to or smaller than 7, provided that R1 (kg-resin/kg-air) stands for an initial solid-gas ratio at a start point of the transportation pipeline, and R2 (kg-resin/kg-air) stands for a terminal solid-gas ratio at a terminal point of the transportation pipeline is provided.
摘要翻译：提供一种能够抑制吸水性树脂粉末物质的降低的同时抑制阻塞现象的吸水性树脂粉末物质的气动输送方法。 [解决方案]一种吸水性树脂粉末物质的输送方法，其特征在于，在制造工序中，通过输送管线气动输送吸水性树脂粉末物质，其中固体气体比（R1 / R2）的变化超过1 并且等于或小于7，条件是R1（kg-树脂/ kg-空气）表示在输送管线的起点处的初始固气比，R2（kg-树脂/ kg-空气）提供了在输送管线的终点处的终端固体气体比。

9. 发明公开

EP1765913A1 WATER ABSORBING AGENT AND PRODUCTION METHOD THEREOF 有权
标题翻译：吸水剂及其制备方法
公开(公告)号：EP1765913A1
公开(公告)日：2007-03-28
申请号：EP05738840.7
申请日：2005-04-28
申请人： Nippon Shokubai Co.,Ltd.
发明人： NAKAMURA, Masatoshi , MIYAKE, Koji , SHIBATA, Hirofumi
IPC分类号： C08J3/00 , A61L15/60 , C08L33/00 , B01J20/26
CPC分类号： C08J3/245 , A61L15/60 , C08J2300/14 , C08L33/00
摘要： According to a water absorbing agent of the present invention and a method of the present invention for producing the water absorbing agent, (i) water absorbent resin particles having an internal cross-linked structure obtained by polymerizing a water-soluble unsaturated monomer, (ii) organic acid (salt), and (iii) water-soluble multivalent metal salt are mixed, so that it is possible to provide a water absorbing agent which suppresses permeation of metal components into the water absorbent resin particles and enables the metal components to evenly adhere to an entire surface of the water absorbent resin in a dot manner.

10. 发明授权

EP2263957B1 Method of transporting absorbent resin powder 有权
标题翻译：传输方法的吸水性树脂粉末
公开(公告)号：EP2263957B1
公开(公告)日：2013-02-13
申请号：EP09724168.1
申请日：2009-03-26
申请人： Nippon Shokubai Co., Ltd.
发明人： NOGI, Kozo , NAKAMURA, Masatoshi , MATSUMOTO, Koji , AWAI, Kazuma
IPC分类号： B65G51/02 , B65G53/52 , C08J3/12 , B65G53/66 , B65G53/04
CPC分类号： C08J3/12 , C08F6/008 , C08J3/075 , C08J3/245 , C08J2333/02

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