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1. 发明专利

JP2007056071A Method for preparing modified water absorbent resin 审中-公开
标题翻译：制备改性吸水树脂的方法
公开(公告)号：JP2007056071A
公开(公告)日：2007-03-08
申请号：JP2005240210
申请日：2005-08-22
申请人： Procter & Gamble Co , ザプロクターアンドギャンブルカンパニーThe Procter & Gamble Company
发明人： FLOHR ANDREAS , LINDNER TORSTEN , MATSUMOTO MAKOTO , MITSUKAMI YOSHIRO , IKEUCHI HIROYUKI , TORII ICHIJI , IWAMURA TAKU
IPC分类号： C08J3/24 , C08L33/02
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a modified water absorbent resin excellent in water absorbancy. SOLUTION: The method for producing the modified water absorbent resin comprises (a) mixing a water absorbent resin with a water-soluble radical polymerization initiator without adding any ethylenically unsaturated monomer and (b) irradiating the obtained mixture with an actinic radiation. Especially, the absorbancy against pressure and the saline flow conductivity are exalted. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：待解决的问题：提供一种制造吸水性优异的改性吸水性树脂的方法。改性吸水性树脂的制造方法包括：（a）在不添加任何烯属不饱和单体的情况下将吸水性树脂与水溶性自由基聚合引发剂混合，（b）用光化辐射照射所得混合物。特别地，提高了对压力的吸收和盐水流动的导电性。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2007326912A Method for producing modified water-absorbing 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：JP2007326912A
公开(公告)日：2007-12-20
申请号：JP2006157582
申请日：2006-06-06
申请人： Procter & Gamble Co , ザプロクターアンドギャンブルカンパニーThe Procter & Gamble Company
发明人： MITSUKAMI YOSHIRO , MATSUMOTO MAKOTO , IWAMURA TAKU
IPC分类号： C08J7/00 , B01J20/26 , B01J20/28
摘要： PROBLEM TO BE SOLVED: To provide a method for producing modified water-absorbing resin excellent in production efficiency, absorbing capacity under pressure, absorbing rate, gel strength, liquid permeability, etc. SOLUTION: The invention relates to the method for producing the modified water-absorbing resin comprising a process (a) obtaining a water-absorbing resin composition comprising mixing a water-absorbing resin, water and a water soluble radical polymerization initiator without adding an ethylenic unsaturated monomer, (b) a process irradiating the water-absorbing resin composition obtained in the mixing process, with an active energy ray, wherein the mixing amount of the water in the mixing process (a) is 20-100 pts.wt. per 100 pts.wt. of the water-absorbing resin, and the surface water-absorbing rate in the water-absorbing resin composition in the irradiating process (b) at least any time in the process is regulated at less than 3.0 wt.%. per the 100 wt.%. of the water-absorbing resin. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决方案：提供一种生产效率优异，在压力下的吸收能力，吸收速率，凝胶强度，液体渗透性等的改性吸水树脂的制造方法。解决方案：本发明涉及制造改性吸水性树脂的方法包括以下工序（a）得到吸水性树脂组合物的方法，该吸水性树脂组合物含有在不添加乙烯性不饱和单体的情况下混合吸水性树脂，水和水溶性自由基聚合引发剂，（b）在混合过程中得到的吸水性树脂组合物用活性能量射线照射，其中混合过程（a）中的水的混合量为20-100重量份。每100 pts.wt 的吸水性树脂，并且在该方法中的至少任何时间将辐射方法（b）中的吸水性树脂组合物的表面吸水率调节至小于3.0重量％。每100重量％。的吸水树脂。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2007077366A Method for producing water absorbent 审中-公开
标题翻译：生产吸水剂的方法
公开(公告)号：JP2007077366A
公开(公告)日：2007-03-29
申请号：JP2005270765
申请日：2005-09-16
申请人： Procter & Gamble Co , ザプロクターアンドギャンブルカンパニーThe Procter & Gamble Company
发明人： IWAMURA TAKU , MITSUKAMI YOSHIRO
IPC分类号： C08F8/00
CPC分类号： A61L15/22 , C08J3/075 , C08J3/28 , C08J2300/14
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a water absorbent having excellent water absorption properties. SOLUTION: The method for producing a water absorbent comprises (a) mixing a water-absorbing resin with water and a mixing auxiliary without adding a water-soluble radical polymerization initiator and an ethylenic unsaturated monomer and (b) radiating the obtained mixture with an ultraviolet light having a wavelength of >200 nm and ≤400 nm while fluidizing the mixture. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种吸水性优异的吸水剂的制造方法。解决方案：吸水剂的制造方法包括：（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将吸水性树脂与水和混合助剂混合，（b）将得到的混合物在混合物流化的同时具有波长> 200nm和≤400nm的紫外光。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2006169267A Method for producing modified water absorbing 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：JP2006169267A
公开(公告)日：2006-06-29
申请号：JP2004359031
申请日：2004-12-10
申请人： Procter & Gamble Co , ザプロクターアンドギャンブルカンパニーThe Procter & Gamble Company
发明人： FLOHR ANDREAS , LINDNER TORSTEN , MATSUMOTO MAKOTO , MITSUKAMI YOSHIRO , IKEUCHI HIROYUKI , TORII ICHIJI
IPC分类号： C08J3/28 , C08L101/00
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a modified water absorbing resin having excellent water absorption characteristics.
SOLUTION: The method for producing the modified water absorbing resin comprises (a) mixing a water absorbing resin with a water-soluble radical polymerization initiator without adding an ethylenically unsaturated monomer and (b) irradiating the resultant mixture with active energy rays. The AAP (absorption capacity under load) and SFC (saline flow conductivity) are especially improved.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决问题的方法：提供具有优异的吸水特性的改性吸水树脂的制造方法。解决方案：改性吸水树脂的制造方法包括（a）在不添加烯属不饱和单体的情况下将吸水性树脂与水溶性自由基聚合引发剂混合，（b）用活性能量射线照射所得混合物。 AAP（负载下的吸收能力）和SFC（盐水流动电导率）特别提高。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2007277466A Method for producing 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：JP2007277466A
公开(公告)日：2007-10-25
申请号：JP2006108083
申请日：2006-04-10
申请人： Procter & Gamble Co , ザプロクターアンドギャンブルカンパニーThe Procter & Gamble Company
发明人： MITSUKAMI YOSHIRO , MATSUMOTO MAKOTO , IWAMURA TAKU
IPC分类号： C08J3/24
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a modified water absorbent resin excellent in production efficiency, magnification of absorbancy against pressure, absorbing rate, gel strength, permeability, and the like. SOLUTION: The method for producing a modified water absorbent resin comprises the steps of (a) mixing a water absorbent resin with water, a water-soluble radical polymerization initiator and/or a thermally decomposable radical polymerization initiator without adding any ethylenically unsaturated monomer to obtain an absorbent resin composition and (b) irradiating the water absorbent resin composition obtained by the mixing step with an active energy ray, wherein the surface water content of the water absorbent resin in the water absorbent resin composition is controlled at 3.0% by weight or more with respect to the 100% by weight water absorbent resin at least at a time point in the irradiation step. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：待解决的问题：提供一种生产效率优异，吸收率对压力，吸收速率，凝胶强度，渗透性等优异的改性吸水性树脂的制造方法。解决方案：改性吸水性树脂的制备方法包括以下步骤：（a）将吸水树脂与水混合，水溶性自由基聚合引发剂和/或可热分解的自由基聚合引发剂，而不加入任何烯属不饱和的单体，得到吸收性树脂组合物，（b）将通过混合工序得到的吸水性树脂组合物用活性能量射线照射，其中吸水性树脂组合物中的吸水性树脂的表面含水量控制在3.0％至少在照射步骤的时间点相对于100重量％的吸水性树脂重量或更多。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2007321008A Method for producing modified water-absorbing 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：JP2007321008A
公开(公告)日：2007-12-13
申请号：JP2006150570
申请日：2006-05-30
申请人： Procter & Gamble Co , ザプロクターアンドギャンブルカンパニーThe Procter & Gamble Company
发明人： IWAMURA TAKU , MITSUKAMI YOSHIRO , MATSUMOTO MAKOTO
IPC分类号： C08J3/28 , C08F8/00 , C08J3/24
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a modified water absorptive resin excellent in absorption magnification under pressure, absorption rate, gel strength, liquid-permeating property in a high efficiency and at a low cost. SOLUTION: This method of producing the modified water-absorbing resin comprises (a) a process of obtaining dispersion by dispersing a water-soluble resin containing a water-soluble radical polymerization initiator or a heat-decomposing type radical polymerization initiator in an organic solvent, without adding a radically polymerizable compound and (b) a process of irradiating an active energy beam to the obtained dispersion. COPYRIGHT: (C)2008,JPO&INPIT

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