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1. 发明授权

US07183456B2 Water-absorbent resin and production process therefor 有权
标题翻译：吸水树脂及其生产工艺
公开(公告)号：US07183456B2
公开(公告)日：2007-02-27
申请号：US10764535
申请日：2004-01-27
申请人： Takumi Hatsuda , Yoshio Irie , Masatoshi Nakamura , Katsuyuki Wada , Shinichi Fujino , Kazuki Kimura , Kunihiko Ishizaki
发明人： Takumi Hatsuda , Yoshio Irie , Masatoshi Nakamura , Katsuyuki Wada , Shinichi Fujino , Kazuki Kimura , Kunihiko Ishizaki
IPC分类号： A61F13/15 , B32B5/16 , C08F8/00
CPC分类号： C08J3/122 , A61L15/60 , C08J3/245 , C08J2300/14 , Y10S524/916 , Y10T428/2982
摘要： In a production process for a water-absorbent resin, comprising the steps of: blending a liquid material and a water-absorbent resin; and heating the resultant mixture in order to produce a modified water-absorbent resin, the present invention is to provide: a method for uniformly and efficiently treating a water-absorbent resin favorably in view of industry, and as a result, a good-balanced water-absorbent resin having various excellent properties, such absorption capacity without a load, absorption capacity under a load, and single-layer absorption capacity under a load in contact with an aqueous liquid. The production process comprises the step of spray-blending a water-absorbent resin (A) and a liquid material (B) with a blending apparatus equipped with a spray nozzle (C), wherein the liquid material (B) is sprayed from the spray nozzle (C) and its spray pattern is a circular and hollow cone shape or a double-convex-lens and elliptic cone shape. In addition, the production process comprises the step of heat-treating a water-absorbent resin under an atmosphere having a dew point of not higher than 60° C. and a temperature of not lower than 90° C., wherein the water-absorbent resin is obtained after a drying step following a pulverization step.
摘要翻译：在吸水性树脂的制造方法中，包括以下步骤：将液体材料和吸水性树脂混合; 并加热得到的混合物以制备改性吸水性树脂，本发明提供一种从工业上有利地均匀有效地处理吸水性树脂的方法，结果是良好平衡具有各种优异性能的吸水性树脂，这种无负载的吸收能力，负载下的吸收能力以及在与水性液体接触的负荷下的单层吸收能力。制备方法包括用配有喷嘴（C）的混合装置将吸水性树脂（A）和液体材料（B）喷雾共混的步骤，其中液体材料（B）从喷雾喷嘴（C）及其喷射图案是圆形和中空圆锥形或双凸透镜和椭圆锥形。此外，制造方法包括在露点不高于60℃，温度不低于90℃的气氛下对吸水性树脂进行热处理的步骤，其中吸水剂在粉碎步骤之后的干燥步骤之后获得树脂。

2. 发明授权

US06720389B2 Water-absorbent resin and production process therefor 有权
标题翻译：吸水树脂及其生产工艺
公开(公告)号：US06720389B2
公开(公告)日：2004-04-13
申请号：US09945812
申请日：2001-09-05
申请人： Takumi Hatsuda , Yoshio Irie , Masatoshi Nakamura , Katsuyuki Wada , Shinichi Fujino , Kazuki Kimura , Kunihiko Ishizaki
发明人： Takumi Hatsuda , Yoshio Irie , Masatoshi Nakamura , Katsuyuki Wada , Shinichi Fujino , Kazuki Kimura , Kunihiko Ishizaki
IPC分类号： C08J324
CPC分类号： C08J3/122 , A61L15/60 , C08J3/245 , C08J2300/14 , Y10S524/916 , Y10T428/2982
摘要： In a production process for a water-absorbent resin, comprising the steps of: blending a liquid material and a water-absorbent resin; and heating the resultant mixture in order to produce a modified water-absorbent resin, the present invention is to provide: a method for uniformly and efficiently treating a water-absorbent resin favorably in view of industry, and as a result, a good-balanced water-absorbent resin having various excellent properties, such absorption capacity without a load, absorption capacity under a load, and single-layer absorption capacity under a load in contact with an aqueous liquid. The production process comprises the step of spray-blending a water-absorbent resin (A) and a liquid material (B) with a blending apparatus equipped with a spray nozzle (C), wherein the liquid material (B) is sprayed from the spray nozzle (C) and its spray pattern is a circular and hollow cone shape or a double-convex-lens and elliptic cone shape. In addition, the production process comprises the step of heat-treating a water-absorbent resin under an atmosphere having a dew point of not higher than 60° C. and a temperature of not lower than 90° C., wherein the water-absorbent resin is obtained after a drying step following a pulverization step.
摘要翻译：在吸水性树脂的制造方法中，包括以下步骤：将液体材料和吸水性树脂混合; 并加热得到的混合物以制备改性吸水性树脂，本发明提供一种从工业上有利地均匀有效地处理吸水性树脂的方法，结果是良好平衡具有各种优异性能的吸水性树脂，这种无负载的吸收能力，负载下的吸收能力以及在与水性液体接触的负荷下的单层吸收能力。制备方法包括用配有喷嘴（C）的混合装置将吸水性树脂（A）和液体材料（B）喷雾共混的步骤，其中液体材料（B）从喷雾喷嘴（C）及其喷射图案是圆形和中空圆锥形或双凸透镜和椭圆锥形。此外，制造方法包括在露点不高于60℃，温度不低于90℃的气氛下对吸水性树脂进行热处理的步骤，其中吸水剂在粉碎步骤之后的干燥步骤之后获得树脂。

3. 发明授权

US07078458B2 Method for production of hydrophilic resin 失效
公开(公告)号：US07078458B2
公开(公告)日：2006-07-18
申请号：US11014969
申请日：2004-12-20
申请人： Yoshio Irie , Katsuhiro Kajikawa , Kunihiko Ishizaki , Takumi Hatsuda
发明人： Yoshio Irie , Katsuhiro Kajikawa , Kunihiko Ishizaki , Takumi Hatsuda
IPC分类号： C08L31/00 , C08F20/06
CPC分类号： C08F20/04 , A61L15/60 , C08L33/02
摘要： In the production of an acrylate polymer by the steps of preparing a water-soluble unsaturated monomer having a ratio of neutralization in the range of 30 to 100 mol % and containing 50 to 100 mol % of an acrylate and then polymerizing the monomer, a method for the production of a hydrophilic resin which comprises using a water-soluble unsaturated monomer having a β-hydroxy propionic acid (salt) content of not more than 1,000 ppm. The hydrophilic resin obtained by this method exhibits excellent physical properties and has only a small residual monomer content. Further, a residual monomer content neither occurs nor increases in any using conditions.

4. 发明授权

US06388000B1 Method for production of hydrophilic resin 失效
标题翻译：生产亲水性树脂的方法
公开(公告)号：US06388000B1
公开(公告)日：2002-05-14
申请号：US08427734
申请日：1995-04-24
申请人： Yoshio Irie , Katsuhiro Kajikawa , Kunihiko Ishizaki , Takumi Hatsuda
发明人： Yoshio Irie , Katsuhiro Kajikawa , Kunihiko Ishizaki , Takumi Hatsuda
IPC分类号： C08F2006
CPC分类号： C08F20/04 , A61L15/60 , C08L33/02
摘要： In the production of an acrylate polymer by the steps of preparing a water-soluble unsaturated monomer having a ratio of neutralization in the range of 30 to 100 mol % and containing 50 to 100 mol % of an acrylate and then polymerizing the monomer, a method for the production of a hydrophilic resin which comprises using a water-soluble unsaturated monomer having a &bgr;-hydroxy propionic acid (salt) content of not more than 1,000 ppm. The hydrophilic resin obtained by this method exhibits excellent physical properties and has only a small residual monomer content. Further, a residual monomer content neither occurs nor increases in any using conditions.
摘要翻译：在制备丙烯酸酯聚合物时，通过以下步骤制备中和度在30-100mol％范围内并含有50-100mol％丙烯酸酯的水溶性不饱和单体，然后使单体聚合，用于生产亲水性树脂，其包括使用具有不超过1,000ppm的β-羟基丙酸（盐）含量的水溶性不饱和单体。通过该方法获得的亲水性树脂显示出优异的物理性能，并且仅具有小的残留单体含量。此外，残留的单体含量也不会发生，也不会在任何使用条件下增加。

5. 发明授权

US4920202A Method for production of hydrophilic polymer from hydrated gel polymer 失效
标题翻译：从水合凝胶聚合物制备亲水聚合物的方法
公开(公告)号：US4920202A
公开(公告)日：1990-04-24
申请号：US187866
申请日：1988-04-29
申请人： Yoshio Irie , Kaoru Iwasaki , Takumi Hatsuda , Kazumasa Kimura , Nobuyuki Harada , Kunihiko Ishizaki , Tadao Shimomura , Teruaki Fujiwara
发明人： Yoshio Irie , Kaoru Iwasaki , Takumi Hatsuda , Kazumasa Kimura , Nobuyuki Harada , Kunihiko Ishizaki , Tadao Shimomura , Teruaki Fujiwara
IPC分类号： C08F6/00
CPC分类号： C08F6/001
摘要： A method for the production of a hydrophilic polymer having a small residual monomer content from a hydrated gel polymer, which method comprises drying said hydrated gel polymer by contact thereof with a gas containing at least steam and having a dew point in the range of 50.degree. to 100.degree. C. at a temperature in the range of 80.degree. C. to 250.degree. C., and a hydrophilic polymer obtained therefrom.

6. 发明授权

US06562879B1 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及用途
公开(公告)号：US06562879B1
公开(公告)日：2003-05-13
申请号：US09502823
申请日：2000-02-11
申请人： Takumi Hatsuda , Hiroyuki Ikeuchi , Koji Miyake , Yoshio Irie , Kunihiko Ishizaki
发明人： Takumi Hatsuda , Hiroyuki Ikeuchi , Koji Miyake , Yoshio Irie , Kunihiko Ishizaki
IPC分类号： C08J916
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 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 an aqueous solution polymerization step, and 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 is characterized by being arbitrarily pulverized and 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 comprises the above water-absorbent resin powder and a fibrous material. The absorbent article comprises an absorbent layer including the above absorbent structure.
摘要翻译：本发明提供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和高吸水性。根据本发明的吸水性树脂粉末的制造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，并研磨所得交联聚合物颗粒，直到其堆积密度增加至不低于0.72（g / ml）。吸水性树脂粉末的特征在于任意粉碎，堆积密度不低于0.74（g / ml），对于0.9重量％生理盐水的吸水能力不低于20（g / g）负载0.7 psi（4.83 kPa）。此外，吸收性结构体包含上述吸水性树脂粉末和纤维材料。吸收性物品包括包含上述吸收结构的吸收层。

7. 发明授权

US06998447B2 Method for production of hydrophilic resin 失效
公开(公告)号：US06998447B2
公开(公告)日：2006-02-14
申请号：US10108572
申请日：2002-03-29
申请人： Yoshio Irie , Katsuhiro Kajikawa , Kunihiko Ishizaki , Takumi Hatsuda
发明人： Yoshio Irie , Katsuhiro Kajikawa , Kunihiko Ishizaki , Takumi Hatsuda
IPC分类号： C08F8/42 , C08F8/44 , C08F20/06 , C08F120/06 , C08F220/06
CPC分类号： C08F20/04 , A61L15/60 , C08L33/02
摘要： In the production of an acrylate polymer by the steps of preparing a water-soluble unsaturated monomer having a ratio of neutralization in the range of 30 to 100 mol % and containing 50 to 100 mol % of an acrylate and then polymerizing the monomer, a method for the production of a hydrophilic resin which comprises using a water-soluble unsaturated monomer having a β-hydroxy propionic acid (salt) content of not more than 1,000 ppm. The hydrophilic resin obtained by this method exhibits excellent physical properties and has only a small residual monomer content. Further, a residual monomer content neither occurs nor increases in any using conditions.

8. 发明申请

US20050113542A1 Method for production of hydrophilic resin 失效
标题翻译：生产亲水性树脂的方法
公开(公告)号：US20050113542A1
公开(公告)日：2005-05-26
申请号：US11014969
申请日：2004-12-20
申请人： Yoshio Irie , Katsuhiro Kajikawa , Kunihiko Ishizaki , Takumi Hatsuda
发明人： Yoshio Irie , Katsuhiro Kajikawa , Kunihiko Ishizaki , Takumi Hatsuda
IPC分类号： A61L15/60 , C08F20/04 , C08F20/06
CPC分类号： C08F20/04 , A61L15/60 , C08L33/02
摘要： In the production of an acrylate polymer by the steps of preparing a water-soluble unsaturated monomer having a ratio of neutralization in the range of 30 to 100 mol % and containing 50 to 100 mol % of an acrylate and then polymerizing the monomer, a method for the production of a hydrophilic resin which comprises using a water-soluble unsaturated monomer having a β-hydroxy propionic acid (salt) content of not more than 1,000 ppm. The hydrophilic resin obtained by this method exhibits excellent physical properties and has only a small residual monomer content. Further, a residual monomer content neither occurs nor increases in any using conditions.
摘要翻译：在制备丙烯酸酯聚合物时，通过以下步骤制备中和度在30-100mol％范围内并含有50-100mol％丙烯酸酯的水溶性不饱和单体，然后使单体聚合，用于生产亲水性树脂，其包括使用具有不超过1,000ppm的β-羟基丙酸（盐）含量的水溶性不饱和单体。通过该方法获得的亲水性树脂显示出优异的物理性能，并且仅具有小的残留单体含量。此外，残留的单体含量也不会发生，也不会在任何使用条件下增加。

9. 发明申请

US20060229370A1 Water-absorbent resin, hydropolymer, process for producing them, and uses of them 有权
公开(公告)号：US20060229370A1
公开(公告)日：2006-10-12
申请号：US11452223
申请日：2006-06-14
申请人： Yorimichi Dairoku , Yoshio Irie , Shinichi Fujino , Yasuhiro Fujita , Takashi Azumi , Kunihiko Ishizaki
发明人： Yorimichi Dairoku , Yoshio Irie , Shinichi Fujino , Yasuhiro Fujita , Takashi Azumi , Kunihiko Ishizaki
IPC分类号： C08J9/00
CPC分类号： C08F220/06 , A61L15/24 , C08F2/001 , C08F2/01 , C08F2/10 , C08F20/06 , C08F222/1006 , C08L33/02
摘要： The present invention provides a production process by which a water-absorbent resin of excellent quality can be obtained at a low cost by reasonable steps in aqueous solution polymerization. The process for producing a water-absorbent resin comprises the step of polymerizing an aqueous solution of water-absorbent resin-forming monomers including acrylic acid and/or its sodium salt as major components, wherein: (1) the aqueous solution has a monomer component concentration of not less than 45 weight %; (2) the polymerization is carried out while water is evaporated so that the ratio (concentration ratio) between a solid component concentration in a hydropolymer as formed by the polymerization and a solid component concentration in the aqueous monomer solution will not be less than 1.10; and (3) the solid component concentration in the hydropolymer as formed by the polymerization is not more than 80 weight %.

10. 发明授权

US07091253B2 Water-absorbent resin, hydropolymer, process for producing them, and uses of them 有权
公开(公告)号：US07091253B2
公开(公告)日：2006-08-15
申请号：US10942851
申请日：2004-09-17
申请人： Yorimichi Dairoku , Yoshio Irie , Shinichi Fujino , Yasuhiro Fujita , Takashi Azumi , Kunihiko Ishizaki
发明人： Yorimichi Dairoku , Yoshio Irie , Shinichi Fujino , Yasuhiro Fujita , Takashi Azumi , Kunihiko Ishizaki
IPC分类号： C08J9/00
CPC分类号： C08F220/06 , A61L15/24 , C08F2/001 , C08F2/01 , C08F2/10 , C08F20/06 , C08F222/1006 , C08L33/02
摘要： The present invention provides a production process by which a water-absorbent resin of excellent quality can be obtained at a low cost by reasonable steps in aqueous solution polymerization. The process for producing a water-absorbent resin comprises the step of polymerizing an aqueous solution of water-absorbent resin-forming monomers including acrylic acid and/or its sodium salt as major components, wherein: (1) the aqueous solution has a monomer component concentration of not less than 45 weight %; (2) the polymerization is carried out while water is evaporated so that the ratio (concentration ratio) between a solid component concentration in a hydropolymer as formed by the polymerization and a solid component concentration in the aqueous monomer solution will not be less than 1.10; and (3) the solid component concentration in the hydropolymer as formed by the polymerization is not more than 80 weight %.

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