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41. 发明公开

EP3586957A1 WATER ABSORBENT SHEET, ELONGATED WATER ABSORBENT SHEET, AND ABSORBENT ARTICLE 有权
公开(公告)号：EP3586957A1
公开(公告)日：2020-01-01
申请号：EP18757450.4
申请日：2018-02-22
申请人： Nippon Shokubai Co., Ltd.
发明人： TORII, Kazushi , ISHIZAKI, Kunihiko , HORIE, Kazushi , HIRAOKA, Ryuichi , KITANO, Takahiro , NAKAJIMA, Yasuhisa , IKEUCHI, Hiroyuki , WADA, Katsuyuki
IPC分类号： B01J20/28 , A61F13/53 , A61F13/534 , A61F13/535 , A61F13/537 , A61L15/24 , A61L15/60 , B01J20/26 , B32B5/24 , B32B5/30 , B32B27/00 , B32B27/30 , C08F20/06 , C08J5/04
摘要： The present invention provides a water-absorbing sheet suitable for a hygienic material such as a disposable diaper. The water-absorbing sheet in accordance with an aspect of the present invention includes: a first base material; a second base material; and a particulate water-absorbing agent sandwiched between the first base material and the second base material, at least one of the first base material and the second base material being a water-permeable base material, and at least part of the particulate water-absorbing agent satisfying the following physical properties (1), (2), and (3):
(1) a centrifuge retention capacity (CRC) is 30 g/g to 50 g/g;
(2) a mass average particle diameter (D50) is 200 µm to 600 µm; and
(3) a DRC index defined by the following Formula (a) is 43 or less: DRC index = 49 − DRC 5 min / D 50 / 1000

42. 发明授权

EP1721663B1 PARTICULATE WATER ABSORBING AGENT AND METHOD FOR PRODUCTION THEREOF, AND WATER ABSORBING ARTICLE 有权
标题翻译：颗粒吸水及其制造方法的吸水条
公开(公告)号：EP1721663B1
公开(公告)日：2016-12-14
申请号：EP05709754.5
申请日：2005-02-04
申请人： Nippon Shokubai Co.,Ltd.
发明人： DAIROKU, Yorimichi , ADACHI, Yoshifumi , NOGI, Kozo , INOUE, Hiroki , WADA, Katsuyuki , IRIE, Yoshio
IPC分类号： B01J20/26 , A61F13/53 , A61L15/60 , C08K5/00 , C08L101/14
CPC分类号： C08J3/243 , A61L15/60 , B01J20/26 , B01J20/267 , B01J2220/68 , C08J2300/102

43. 发明公开

EP2889082A1 PARTICULATE WATER-ABSORBING AGENT AND PROCESS FOR PRODUCING SAME 有权
标题翻译： VERFAHREN ZUR HERSTELLUNG DAVON的WASSERABSORBIERENDESPARTIKELFÖRMIGESELEMENT
公开(公告)号：EP2889082A1
公开(公告)日：2015-07-01
申请号：EP13832733.3
申请日：2013-08-27
申请人： Nippon Shokubai Co., Ltd.
发明人： NAKASHIMA, Yasuhisa , WADA, Katsuyuki , IKEUCHI, Hiroyuki , UEDA, Manabu
IPC分类号： B01J20/26 , B01J20/30 , C08J3/12 , C08J3/24 , C08K5/00 , C08L33/02 , G01N33/44
CPC分类号： C08K5/13 , A61L15/225 , A61L15/42 , A61L15/48 , A61L15/60 , A61L26/0014 , A61L26/0061 , A61L26/008 , B01J20/223 , B01J20/267 , B01J2220/445 , C02F1/285 , C08J3/245 , C08J2333/02 , C08K3/011 , C08K5/005 , C08L33/02 , G01N15/06 , Y02W10/37 , C08L33/04
摘要： The present invention (a) provides, at low cost, a water absorbing agent (i) that has a suppressed amount of generated dust and a suppressed amount of dust that increases over time and (ii) that also has a high absorption capacity without load, a high absorption capacity under load, a high vertical diffusion absorbency under load, and a high absorbency in a short period of time, and (b) also provides a method for evaluating, in a short period of time, an amount of dust that increases over time. A particulate water absorbing agent of the present invention includes: a surface crosslinked polyacrylic acid (salt)-based water absorbent resin as a main component; a hydrophilic polymer compound; and a stabilizing agent.
摘要翻译：本发明（a）以低成本提供具有抑制量的产生的粉尘和随时间增加的抑制量的粉尘的吸水剂（i），以及（ii）还具有无负载的高吸收能力，负载下的高吸收容量，负载下的高垂直扩散吸收性和短时间内的高吸收性，以及（b）还提供了一种在短时间内评价粉尘的量随着时间的推移而增加。本发明的颗粒状吸水剂包括：表面交联聚丙烯酸（盐）系吸水性树脂作为主要成分; 亲水性高分子化合物; 和稳定剂。

44. 发明公开

EP2781259A1 WATER ABSORBENT COMPOSITION AND METHOD FOR PRODUCING SAME, AS WELL AS STORAGE AND STOCKING METHOD FOR SAME 有权
标题翻译：吸水成分及工艺用于生产和存储和存储及其方法
公开(公告)号：EP2781259A1
公开(公告)日：2014-09-24
申请号：EP12849458.0
申请日：2012-11-15
申请人： Nippon Shokubai Co., Ltd.
发明人： UEDA, Manabu , IKEUCHI, Hiroyuki , NAKASHIMA, Yasuhisa , WADA, Katsuyuki
IPC分类号： B01J20/26 , A61F13/15 , A61F13/49 , A61F13/53 , B01J20/30
CPC分类号： A61L15/60 , A61F2013/530481 , A61F2013/530708 , A61L15/26 , A61L15/40 , A61L15/46 , B01J20/223 , B01J20/267 , B01J20/2805 , B01J20/3085 , B01J2220/44 , B01J2220/485
摘要： An object of the present invention is to provide (i) a water absorbent agent composition which has an excellent additional function (a deodorizing function in particular), which stably carries out the additional function even after being stored for a long term, and which is less stressful to skin when used as an absorbent article, (ii) a method for producing the water absorbent agent composition, and (iii) an absorbent core and an absorbent article. The water absorbent agent composition contains: a polycarboxylic acid (salt)-based water absorbent resin as a main component; a natural ingredient; and a temporal deterioration preventing agent. Further, a water absorbent agent composition is produced by simultaneously or separately mixing a natural ingredient and a temporal deterioration preventing agent with a water absorbent resin which is a crosslinked polymer of unsaturated monomers having carboxylic acid and/or a salt thereof.
摘要翻译：本发明的一个目的是提供一种（I）的具有优异的附加功能（特别是除臭功能），即使被长期保存期限以后稳定地执行的附加功能的吸水剂组合物，并且所有这些是压力较小的皮肤当用作吸收制品，（ii）用于生产吸水剂组合物的方法，和（iii），以在吸收芯和吸收体物品的使用。吸水剂组合物包含：聚羧酸（盐）系吸水性树脂为主要成分; 一种天然成分; 和时间劣化防止剂。另外，吸水剂组合物是通过同时或分别混合的天然成分，并用吸水性树脂所有这些是不饱和单体的具有羧酸和/或其盐的交联聚合物的时间劣化防止剂制备。

45. 发明授权

EP2130581B1 GRANULAR WATER ABSORBENT COMPRISING WATER ABSORBING RESIN AS THE MAIN COMPONENT 有权
标题翻译： WITH吸水性树脂为主要INGREDIENT颗粒水吸收元件
公开(公告)号：EP2130581B1
公开(公告)日：2013-01-09
申请号：EP08739895.4
申请日：2008-04-04
申请人： Nippon Shokubai Co., Ltd.
发明人： ADACHI, Yoshifumi , TAHARA, Ryoko , WADA, Katsuyuki
IPC分类号： B01J20/26 , A61F13/15 , A61F13/49 , A61F13/53 , C08F2/10 , C08F2/48 , C08F20/06 , C08J3/12
CPC分类号： A61F13/15 , A61L15/24 , A61L15/42 , A61L15/60 , B01J20/223 , B01J20/267 , B01J2220/44 , C08F2/10 , C08F20/06 , Y10T428/2982 , C08L33/02

46. 发明公开

EP2484439A1 PARTICULATE WATER ABSORBENT AND PROCESS FOR PRODUCTION THEREOF 有权
标题翻译： VERFAHREN ZU SEINER HERSTELLUNG的PARTIKELFÖRMIGESWASSERABSORPTIONSMITTEL
公开(公告)号：EP2484439A1
公开(公告)日：2012-08-08
申请号：EP10820587.3
申请日：2010-09-29
申请人： Nippon Shokubai Co., Ltd.
发明人： KOBAYASHI, Taishi , IMURA, Motohiro , IWAMURA, Taku , WADA, Katsuyuki , NOGI, Kozo , MITSUKAMI, Yoshiro , ABE, Masato , UEDA, Hiroko , HONDA, Koji
IPC分类号： B01J20/26 , A61F13/15 , A61F13/53 , B01J20/30 , C08K5/098 , C08L101/12 , C09K3/00
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以吸水性树脂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）无压力吸收率和吸收率满足77‰AAP（4.83 kPa）+ 1.8×CRC‰¤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。

47. 发明授权

EP1730218B1 PARTICULATE WATER ABSORBING AGENT WITH IRREGULARLY PULVERIZED SHAPE 无效
标题翻译：具非粉末颗粒吸水
公开(公告)号：EP1730218B1
公开(公告)日：2010-12-22
申请号：EP05721691.3
申请日：2005-03-29
申请人： Nippon Shokubai Co.,Ltd.
发明人： ISHIZAKI, Kunihiko , KITANO, Takahiro , ADACHI, Yoshifumi , UEDA, Hiroko , WADA, Katsuyuki
IPC分类号： C08J3/12 , C08J3/24 , C08L101/14 , A61L15/60
CPC分类号： C08J3/12 , C08J3/245 , C08J2300/14 , Y10T428/249924 , Y10T428/254 , Y10T428/2982 , Y10T428/2991 , Y10T428/2998 , Y10T442/2344
摘要： The present invention provides a particulate water absorbing agent for a thin type absorbing substrate suitable for actual use. A particulate water absorbing agent having irregularly pulverized shape, characterized by comprising, a surface crosslinked water-absorbing resin obtained by crosslinking polymerization of an unsaturated monomer with an acid group and/or salts thereof, which absorbing agent contains agglomerated particles therein and further satisfies (i) centrifuge retention capacity (CRC) in a physiological saline solution of not lower than 32 g/g, (ii) mass median particle size (D50) of 200 to 400 µm, and (iii) particles smaller than 600 µm and not smaller than 150 µm of 95 to 100% by weight. By using the particulate water absorbing agent, such absorbing articles can be obtained as have few rugged surface after water absorption, excellent liquid permeation property.

48. 发明公开

EP2208756A1 WATER-ABSORBING RESIN COMPOSITION AND PROCESS FOR PRODUCTION OF THE SAME 有权
标题翻译： HASSTELLUNGSVERFAHRENDAFÜR的WASSERABSORBIERENDE HARZZUSAMMENSETZUNG
公开(公告)号：EP2208756A1
公开(公告)日：2010-07-21
申请号：EP08837088.7
申请日：2008-10-10
申请人： Nippon Shokubai Co., Ltd.
发明人： WADA, Katsuyuki , NAKASHIMA, Yasuhisa
IPC分类号： C08L33/02 , B01J20/26 , C08K3/00 , C08K5/00 , C08K5/13 , C08K5/1535 , C09K3/00
CPC分类号： C08L33/02 , B01J20/261 , B01J2220/44 , B01J2220/46 , C08K5/09 , C08K5/1535 , C08L97/00 , C08L2666/26
摘要： An object is to provide a water absorbent resin composition containing a water absorbent resin as a main component, with excellent deodorant property and antimicrobial property without impairing appearance and absorption characteristics of the water absorbent resin. The water absorbent resin composition according to the first aspect includes a water absorbent resin containing a polyacrylic acid (salt)-based water absorbent resin as a main component, and an extract of bamboo and an extract of tea. The water absorbent resin composition according to the second aspect includes a water absorbent resin containing a polyacrylic acid (salt)-based water absorbent resin as a main component, and at least two kinds of compounds selected from a group consisting of hexanoic acid (salt), ethyl butyrate, and 3-methyl-2-cyclopenten-1-one. In addition, the method for producing the water absorbent resin composition according to the third aspect includes the step of adding an alcoholic solution of an extract of bamboo, before or after polymerization of an unsaturated monomer containing an acrylic acid (salt) as a main component.
摘要翻译：本发明提供一种吸水性树脂组合物，其以吸水性树脂为主要成分，具有优异的除臭性和抗微生物性，而不损害吸水性树脂的外观和吸收特性。根据第一方面的吸水性树脂组合物包括含有以聚丙烯酸（盐）为基础的吸水性树脂作为主要成分的吸水性树脂，以及竹子提取物和茶提取物。根据第二方面的吸水性树脂组合物包括含有以聚丙烯酸（盐）为基础的吸水性树脂作为主要成分的吸水性树脂和至少两种选自己酸（盐），丁酸乙酯和3-甲基-2-环戊烯-1-酮。此外，根据第三方面的吸水性树脂组合物的制造方法包括在含有丙烯酸（盐）作为主要成分的不饱和单体的聚合前后添加竹提取物的醇溶液的步骤。

49. 发明授权

EP1874863B1 PARTICULATE WATER ABSORBING AGENT, WATER-ABSORBENT CORE AND ABSORBING ARTICLE 有权
标题翻译：颗粒吸水，水吸收核心和吸收性物品
公开(公告)号：EP1874863B1
公开(公告)日：2010-03-03
申请号：EP06731731.3
申请日：2006-04-06
申请人： NIPPON SHOKUBAI CO., LTD.
发明人： NAKASHIMA, Yasuhisa , TAKAAI, Toshihiro , WADA, Katsuyuki
IPC分类号： C08L33/02 , A61F13/49 , A61F13/53 , A61L15/60
CPC分类号： A61L15/60 , Y10T428/2982

50. 发明公开

EP2130581A1 GRANULAR WATER ABSORBENT COMPRISING WATER ABSORBING RESIN AS THE MAIN COMPONENT 有权
标题翻译：包含吸水树脂作为主要组分的颗粒状吸水剂
公开(公告)号：EP2130581A1
公开(公告)日：2009-12-09
申请号：EP08739895.4
申请日：2008-04-04
申请人： Nippon Shokubai Co., Ltd.
发明人： ADACHI, Yoshifumi , TAHARA, Ryoko , WADA, Katsuyuki
IPC分类号： B01J20/26 , A61F13/15 , A61F13/49 , A61F13/53 , C08F2/10 , C08F2/48 , C08F20/06 , C08J3/12
CPC分类号： A61F13/15 , A61L15/24 , A61L15/42 , A61L15/60 , B01J20/223 , B01J20/267 , B01J2220/44 , C08F2/10 , C08F20/06 , Y10T428/2982 , C08L33/02
摘要： A water-absorbing goods having excellent absorption performance in practical use is to be provided at low price. A particulate water-absorbing agent provided by one aspect of the present invention is a particulate water-absorbing agent comprising a polyacrylate salt-type water-absorbing resin as a main component, and satisfying the following (a) and (b):
(a) absorption capacity without load in artificial urine (A) is equal to or higher than 60 g/g; and
(b) an increase rate of absorption capacity without load in artificial urine (B) relative to artificial urine (A) is equal to or larger than 20%.
In addition, a particulate water-absorbing agent provided by another aspect of the present invention is a particulate water-absorbing agent comprising a polyacrylate salt-type water-absorbing resin as a main component, and satisfying the following (c) and (d):
(c) absorption capacity without load in artificial urine (A) is equal to or higher than 60 g/g; and
(d) weight average molecular weight (Mw) of the main chain of the water-absorbing resin is equal to or higher than 1, 000, 000 and molecular weight distribution (Mw/Mn) thereof is equal to or smaller than 3.3.
摘要翻译：在实际使用中具有优异的吸收性能的吸水性物品将以低价提供。本发明的一个方面提供的颗粒状吸水剂是以聚丙烯酸盐类吸水性树脂为主要成分，并且满足以下（a）和（b）的颗粒状吸水剂：（a））人造尿液中的无负荷吸收容量（A）为60g / g以上; 和（b）相对于人造尿液（A），人造尿液（B）中无负荷吸收容量的增加率等于或大于20％。另外，本发明的另一方面提供的颗粒状吸水剂是以聚丙烯酸盐类吸水性树脂作为主要成分并且满足以下（c）和（d）的颗粒状吸水剂，：（c）人造尿液中的无负荷吸收容量（A）为60g / g以上; 和（d）吸水树脂的主链的重均分子量（Mw）等于或高于1,000,000且其分子量分布（Mw / Mn）等于或小于3.3。

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