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1. 发明申请

WO2009048160A1 SURFACE TREATMENT METHOD FOR WATER-ABSORBENT RESIN 审中-公开
标题翻译：吸水树脂的表面处理方法
公开(公告)号：WO2009048160A1
公开(公告)日：2009-04-16
申请号：PCT/JP2008/068694
申请日：2008-10-08
申请人： NIPPON SHOKUBAI CO., LTD. , MITSUKAMI, Yoshiro , IWAMURA, Taku , MATSUMOTO, Makoto
发明人： MITSUKAMI, Yoshiro , IWAMURA, Taku , MATSUMOTO, Makoto
IPC分类号： C08J3/24 , C08J3/12
CPC分类号： C08J3/245 , C08J2300/14
摘要： Provided is a surface treatment method for a water-absorbent resin having excellent production efficiency, absorption capacity against pressure, fluid permeability or the like. Provided is a method for the surface treatment of a water-absorbent resin which comprises a) a step for mixing 0.1 to 20 parts by weight of an acid group-containing radically polymerizable compound and 5 to 20 parts by weight of water, relative to 100 parts by weight of a water-absorbent resin; and b) a step for polymerizing the acid group-containing radically polymerizable compound, wherein neutralization ratio of the acid group-containing radically polymerizable compound is 0 to 60% by mol, and is lower than neutralization ratio of the water-absorbent resin.
摘要翻译：提供了具有优异的生产效率，对压力的吸收能力，流体渗透性等的吸水性树脂的表面处理方法。本发明提供一种吸水性树脂的表面处理方法，该方法包括：a）将0.1〜20重量份含酸基的自由基聚合性化合物和5〜20重量份的水相对于100 吸水树脂重量份; 和b）使含酸基的自由基聚合性化合物的中和率为0〜60摩尔％，并且低于吸水性树脂的中和率的含有酸基的自由基聚合性化合物的工序。

2. 发明申请

WO2007119730A1 METHOD FOR PRODUCTION OF MODIFIED WATER ABSORBENT RESIN 审中-公开
标题翻译：生产改性吸水树脂的方法
公开(公告)号：WO2007119730A1
公开(公告)日：2007-10-25
申请号：PCT/JP2007/057936
申请日：2007-04-04
申请人： NIPPON SHOKUBAI CO., LTD. , MITSUKAMI, Yoshiro , MATSUMOTO, Makoto , IWAMURA, Taku
发明人： MITSUKAMI, Yoshiro , MATSUMOTO, Makoto , IWAMURA, Taku
IPC分类号： C08J3/24 , C08J3/12 , C08J3/28
CPC分类号： C08J3/28 , C08J2333/08
摘要： This invention is to provide a method for producing a modified water absorbent resin having excellent production efficiency, and manifesting excellent absorbency against pressure, absorption speed, gel strength, a liquid permeability, and the like. This invention relates to a method for the production of a modified water absorbent resin, which comprises a) a mixing step comprising mixing a water absorbent resin, water, and a water-soluble radical polymerization initiator without addition of an ethylenically unsaturated monomer, to obtain a water absorbent resin composition, and b) an irradiating step comprising irradiating said water absorbent resin composition obtained in the mixing step with active energy rays, wherein a surface water content of said water absorbent resin in said water absorbent resin composition at least at any point of time in the irradiating step is controlled to a level of not lower than 3.0% by weight based on 100% by weight of the water absorbent resin.
摘要翻译：本发明提供一种制造生产效率优异，表现出优异的耐压吸收性，吸收速度，凝胶强度，透液性等的改性吸水性树脂的制造方法。本发明涉及一种生产改性吸水性树脂的方法，该方法包括：a）混合步骤，包括在不加入烯属不饱和单体的情况下混合吸水树脂，水和水溶性自由基聚合引发剂，以获得吸水性树脂组合物，以及b）照射步骤，包括用活性能量射线照射在所述混合步骤中获得的所述吸水性树脂组合物，其中所述吸水性树脂组合物中的吸水性树脂的表面含水量至少在任何点基于100重量％的吸水性树脂，将照射步骤的时间控制在不低于3.0重量％的水平。

3. 发明申请

WO2006062258A3 METHOD FOR PRODUCTION OF MODIFIED WATER ABSORBENT RESIN 审中-公开
公开(公告)号：WO2006062258A3
公开(公告)日：2006-06-15
申请号：PCT/JP2005/023103
申请日：2005-12-09
申请人： NIPPON SHOKUBAI CO., LTD. , MATSUMOTO, Makoto , MITSUKAMI, Yoshiro , IKEUCHI, Hiroyuki , TORII, Kazushi , IWAMURA, Taku , FLOHR, Andreas , LINDNER, Torsten
发明人： MATSUMOTO, Makoto , MITSUKAMI, Yoshiro , IKEUCHI, Hiroyuki , TORII, Kazushi , IWAMURA, Taku , FLOHR, Andreas , LINDNER, Torsten
IPC分类号： C08J3/28 , C08L101/14 , C08J3/24 , C08K3/30 , C08L33/02 , C08K5/14 , C08K5/23 , C08F8/44 , A61L15/60 , C08F6/00 , C08F220/06
摘要： This invention is to provide a method for producing a modified water absorbent resin excelling in water absorbing properties. This invention relates to a method for producing a modified water absorbent resin, which comprises a) mixing a water absorbent resin and a water-soluble radical polymerization initiator or a heat-degradable radical polymerization initiator without addition of an ethylenically unsaturated monomer and b) irradiating the resultant mixture with active energy rays. The method is particularly capable of exalting the absorbency against pressure and the saline flow conductivity.

4. 发明申请

WO2006062253A1 METHOD FOR SURFACE-TREATMENT OF WATER ABSORBENT RESIN 审中-公开
标题翻译：表面处理吸水树脂的方法
公开(公告)号：WO2006062253A1
公开(公告)日：2006-06-15
申请号：PCT/JP2005/023089
申请日：2005-12-09
申请人： NIPPON SHOKUBAI CO., LTD. , MATSUMOTO, Makoto , MITSUKAMI, Yoshiro , IKEUCHI, Hiroyuki , TORII, Kazushi , IWAMURA, Taku
发明人： MATSUMOTO, Makoto , MITSUKAMI, Yoshiro , IKEUCHI, Hiroyuki , TORII, Kazushi , IWAMURA, Taku
IPC分类号： C08J3/28 , C08J7/18 , C08J7/16 , C08F265/02 , A61L15/60
CPC分类号： C08F265/00 , C08F265/02 , C08J3/28 , C08J7/18 , C08J2300/14 , C08J2333/02 , C08L51/003 , C08L2666/02
摘要： This invention is to provide a method for surface-treatment of a water absorbent resin excelling in water absorption properties. This invention relates to a method for the surface-treatment of a water absorbent resin, which comprises: a) mixing 100 parts by weight of a water absorbent resin, 0.01 - 20 parts by weight of at least one radical polymerization initiator selected from the group consisting of persulfates, hydrogen peroxide, and azo compounds, and a radically polymerizing compound and b) irradiating the resultant mixture with active energy rays. The treatment particularly exalts the absorption ratio against pressure and the saline flow conductivity.
摘要翻译：本发明提供一种吸水性树脂表面处理方法，其吸水性优异。本发明涉及一种用于表面处理吸水性树脂的方法，其包括：a）将100重量份的吸水性树脂，0.01-20重量份的至少一种选自下组的自由基聚合引发剂由过硫酸盐，过氧化氢和偶氮化合物组成，和自由基聚合化合物，和b）用活性能量射线照射所得混合物。该处理特别提高了对压力和盐水流动传导率的吸收比。

5. 发明申请

WO2009048157A1 SURFACE TREATMENT METHOD FOR WATER-ABSORBENT RESIN 审中-公开
标题翻译：吸水树脂的表面处理方法
公开(公告)号：WO2009048157A1
公开(公告)日：2009-04-16
申请号：PCT/JP2008/068688
申请日：2008-10-08
申请人： NIPPON SHOKUBAI CO., LTD. , MITSUKAMI, Yoshiro , IWAMURA, Taku
发明人： MITSUKAMI, Yoshiro , IWAMURA, Taku
IPC分类号： C08J3/24 , C08J3/12
CPC分类号： C08J3/245 , C08J2300/14
摘要： Provided is a method that is capable of producing a surface treated water-absorbent resin excellent in water-absorbing characteristics (in particular, absorption capacity against pressure or fluid permeability), at low temperature and in a short period of time, at low cost and by a safe method. In a surface treatment method for a water-absorbent resin having a surface cross-linking step for subjecting a water-absorbent resin to surface cross-linking in the presence of a radical polymerization initiator and water, is provided. In the surface cross-linking step, activated energy beam having a wavelength of equal to or shorter than ultraviolet ray is not irradiated to a reaction system of surface cross-linking, and the surface cross-linking step is carried out so that water content of the water-absorbent resin after the surface cross-linking step is larger than that before the surface cross-linking step.
摘要翻译：提供一种能够以低成本制造在低温和短时间内具有优异的吸水特性（特别是压力或流体渗透性的吸收能力）的表面处理吸水性树脂的方法，以及通过安全的方法。在具有用于在自由基聚合引发剂和水的存在下对吸水性树脂进行表面交联的表面交联步骤的吸水性树脂的表面处理方法。在表面交联工序中，波长等于或小于紫外线的活化能量束不照射到表面交联反应体系，进行表面交联步骤，使得表面交联工序后的吸水性树脂大于表面交联工序前的吸水性树脂。

6. 发明申请

WO2007023983A1 METHOD OF SURFACE CROSS-LINKING SUPERABSORBENT POLYMER PARTICLES USING ULTRAVIOLET RADIATION 审中-公开
标题翻译：使用超紫外线辐射的表面交联超吸收聚合物颗粒的方法
公开(公告)号：WO2007023983A1
公开(公告)日：2007-03-01
申请号：PCT/JP2006/316800
申请日：2006-08-22
申请人： NIPPON SHOKUBAI CO., LTD. , FLOHR, Andreas , LINDNER, Torsten , OLIVEROS, Esther , MITSUKAMI, Yoshiro
发明人： FLOHR, Andreas , LINDNER, Torsten , OLIVEROS, Esther , MITSUKAMI, Yoshiro
IPC分类号： B29B13/08 , B29B9/16 , B29C35/08 , C08J3/12 , C08J3/24
CPC分类号： A61L15/60 , A61L2400/18 , C08J3/245
摘要： The present invention relates to a method of surface cross-linking superabsorbent polymer particles using UV irradiation. The method is carried out in a so-called drum reactor, which comprises a hollow drum and an irradiation source. The drum has a longitudinal axis and a cross-section. Radical former molecules are applied on the surface of superabsorbent polymer particles. These superabsorbent polymer particles are fed into the drum and are irradiated while they move within the drum, which is rotated around its longitudinal axis. The irradiation source is provided such that the radiation emitted by the irradiation source is able to reach superabsorbent polymer particles within said drum. The irradiation source for use in the method of the present invention is able to emit UV radiation of a wavelength between 201 nm and 400 nm.
摘要翻译：本发明涉及使用紫外线照射来表面交联超吸收聚合物颗粒的方法。该方法在所谓的鼓式反应器中进行，该反应器包括中空鼓和照射源。滚筒具有纵轴和横截面。在超吸收性聚合物颗粒的表面上施加自由基前分子。这些超吸收性聚合物颗粒被进料到滚筒中并且在它们围绕其纵向轴线旋转的滚筒内移动时被照射。照射源设置成使得由照射源发射的辐射能够到达所述鼓内的超吸收性聚合物颗粒。用于本发明方法的照射源能够发射波长在201nm与400nm之间的紫外线。

7. 发明申请

WO2005027986A1 WATER ABSORBENT AND PRODUCING METHOD OF SAME 审中-公开
标题翻译：吸水及其生产方法
公开(公告)号：WO2005027986A1
公开(公告)日：2005-03-31
申请号：PCT/JP2004/014015
申请日：2004-09-17
申请人： NIPPON SHOKUBAI CO., LTD. , TORII, Kazushi , SHIBATA, Hirofumi , IWAMURA, Taku , IRIE, Yoshio , DAIROKU, Yorimichi , MITSUKAMI, Yoshiro , MACHIDA, Sayaka
发明人： TORII, Kazushi , SHIBATA, Hirofumi , IWAMURA, Taku , IRIE, Yoshio , DAIROKU, Yorimichi , MITSUKAMI, Yoshiro , MACHIDA, Sayaka
IPC分类号： A61L15/60
CPC分类号： C08J3/245 , A61L15/60 , B01J20/261 , B01J2220/68 , C08F20/06 , C08J2333/00
摘要： An object of the present invention is to provide a water absorbent having excellent gel properties and showing excellent properties when used in a water-absorbing material of a sanitary/hygienic material such as paper diaper. Moreover, another object of the present invention is to provide a water absorbent which is safe and excellent in liquid permeability, and in which an amount of liquid permeability improver for improving the liquid permeability is reduced. The water absorbent is made from a water-absorbing resin prepared by a specific polymerization method and having a high degree of cross-linking, a high liquid holding property and a high gel strength (its swelling pressure of gel layer of is 35 kdyne/cm2 or more). This water absorbent is further processed to have a particular particle size distribution (95wt% or more of its particles are less than 850ƒÊm but not less than 106ƒÊm, and logarithmic standard deviation (ƒĐƒÄ) is in a range of 0.25 to 0.45) and then surface cross-linked. After that, a liquid permeability improver is added therein.
摘要翻译：本发明的目的是提供一种具有优异凝胶性能的吸水剂，并且当用于诸如纸尿布的卫生/卫生材料的吸水材料时显示出优异的性能。此外，本发明的另一个目的是提供一种安全且透液性优异的吸水剂，其中用于提高液体渗透性的液体渗透性改进剂的量减少。吸水剂由具有高交联度，高液体保持性和高凝胶强度（凝胶层的溶胀压力为35kDyne / cm2）的特定聚合方法制成的吸水性树脂或者更多）。该吸水剂被进一步处理以具有特定的粒度分布（其颗粒的95重量％或更多小于850微米但不小于106微米，对数标准偏差（fDfÄ）在0.25至0.45的范围内），然后表面交联。之后，加入液体渗透性改进剂。

8. 发明申请

WO2004069915A2 WALTER-ABSORBING AGENT 审中-公开
标题翻译： WALTER吸收剂
公开(公告)号：WO2004069915A2
公开(公告)日：2004-08-19
申请号：PCT/JP2004/001007
申请日：2004-02-02
申请人： NIPPON SHOKUBAI CO., LTD. , TORII, Kazushi , MITSUKAMI, Yoshiro , IMURA, Motohiro , IWAMURA, Taku
发明人： TORII, Kazushi , MITSUKAMI, Yoshiro , IMURA, Motohiro , IWAMURA, Taku
IPC分类号： C08L
CPC分类号： C08J3/245 , A61L15/60 , Y10T428/2982
摘要： There is disclosed a water-absorbing agent which combines both performances of the capillary suction force and the liquid permeability. This water-absorbing agent is a particulate water-absorbing agent comprising water-absorbent resin particles (α) and a liquid-permeability-enhancing agent (β), wherein the water-absorbent resin particles (α) are surface-crosslink-treated particles of a crosslinked polymer of a monomer including acrylic acid and/or its salt; with the water-absorbing agent being characterized in that the particulate water-absorbing agent has: a mass-average particle diameter (D50) in the range of 234 to 394 gm, a logarithmic standard deviation (σζ) of a particle diameter distribution in the range of 0.25 to 0.45, an absorption capacity without load (CRC) of not less than 15 g/g, and a water-extractable component content of not higher than 15 mass %; and further a liquid-permeability-enhancing agent (β) content in the range of 0.01 to 5 mass parts per 100 mass parts of the water-absorbent resin particles (α).
摘要翻译：公开了一种吸水剂，其结合了毛细管抽吸力和液体渗透性的两种性能。该吸水剂是含有吸水性树脂颗粒（α）和透液性增强剂（β）的颗粒状吸水剂，其中吸水性树脂颗粒（α）是表面交联处理颗粒的包含丙烯酸和/或其盐的单体的交联聚合物; 吸水剂的特征在于，颗粒状吸水剂的质量平均粒径（D50）在234〜394gm的范围内，粒径分布的对数标准偏差（sigmazeta）在范围为0.25〜0.45，无负载吸收容量（CRC）为15g / g以上，水可提取成分含量为15质量％以下; 并且每100质量份吸水性树脂颗粒（α）还含有0.01至5质量份范围内的透液性增强剂（β）含量。

9. 发明申请

WO2007032565A1 METHOD FOR PRODUCTION OF WATER ABSORBING AGENT 审中-公开
标题翻译：生产吸水剂的方法
公开(公告)号：WO2007032565A1
公开(公告)日：2007-03-22
申请号：PCT/JP2006/318805
申请日：2006-09-15
申请人： NIPPON SHOKUBAI CO., LTD. , IWAMURA, Taku , MITSUKAMI, Yoshiro
发明人： IWAMURA, Taku , MITSUKAMI, Yoshiro
IPC分类号： B01J20/30 , A61F13/49 , A61F13/53 , B01J20/26 , C08J3/12 , C08J3/28
CPC分类号： C08J3/28 , B01J20/26 , B01J20/264 , B01J20/30 , B01J20/3217 , B01J20/3272 , B01J20/3278 , B01J2220/68 , C08J2300/14 , C08J2333/02
摘要： The present invention provides a method for producing a water absorbing agent which excels in water absorption properties. In detail, the present invention provides a method for the production of a water absorbing agent, comprising a) a step of mixing a water absorbing resin, water, and a mixing aid without adding a water-soluble radical polymerization initiator and an ethylenically unsaturated monomer and b) a step of irradiating the resultant mixture with ultraviolet rays while keeping the mixture with flowed state.
摘要翻译：本发明提供一种吸水性优异的吸水剂的制造方法。详细地说，本发明提供一种吸水剂的制造方法，其特征在于，包括：a）在不添加水溶性自由基聚合引发剂和烯键式不饱和单体的情况下，混合吸水性树脂，水和混合助剂的工序以及b）在保持混合物具有流动状态的同时用紫外线照射所得混合物的步骤。

10. 发明申请

WO2007023982A1 METHOD OF SURFACE CROSS-LINKING SUPERABSORBENT POLYMER PARTICLES USING VACUUM ULTRAVIOLET RADIATION 审中-公开
标题翻译：使用真空紫外线辐射的表面交联超吸收聚合物颗粒的方法
公开(公告)号：WO2007023982A1
公开(公告)日：2007-03-01
申请号：PCT/JP2006/316799
申请日：2006-08-22
申请人： NIPPON SHOKUBAI CO., LTD. , FLOHR, Andreas , LINDNER, Torsten , OLIVEROS, Esther , MITSUKAMI, Yoshiro
发明人： FLOHR, Andreas , LINDNER, Torsten , OLIVEROS, Esther , MITSUKAMI, Yoshiro
IPC分类号： B29B13/08 , B29B9/16 , B29C35/08 , C08J3/12 , C08J3/24
CPC分类号： B29C59/16 , B29C35/0266 , B29C35/0805 , B29C2035/0827 , C08J3/245 , C08J3/28 , C08J2300/14
摘要： The present invention relates to a method of surface cross-linking superabsorbent polymer particles using UV irradiation. The method is carried out in a so-called drum reactor, which comprises a hollow drum and an irradiation source. The drum has a longitudinal axis and a cross-section. Superabsorbent polymer particles are fed into the drum and are irradiated while they move within the drum, which is rotated around its longitudinal axis. The irradiation source is provided such that the radiation emitted by the irradiation source is able to reach superabsorbent polymer particles within said drum. The irradiation source for use in the method of the present invention is able to emit UV radiation of a wavelength between 100 nm and 200 nm.
摘要翻译：本发明涉及使用紫外线照射来表面交联超吸收聚合物颗粒的方法。该方法在所谓的鼓式反应器中进行，该反应器包括中空鼓和照射源。滚筒具有纵轴和横截面。超吸收性聚合物颗粒进料到滚筒中并在滚筒内移动时被照射，滚筒围绕其纵向轴线旋转。照射源设置成使得由照射源发射的辐射能够到达所述鼓内的超吸收性聚合物颗粒。用于本发明方法的照射源能够发射波长在100nm与200nm之间的紫外线。

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