公开(公告)号：US6100305A

公开(公告)日：2000-08-08

申请号：US91462

申请日：1998-06-18

申请人： Koji Miyake ,  Yoshihiro Motono ,  Nobuyuki Harada ,  Akito Yano ,  Teruyuki Kanto ,  Shigeru Sakamoto

发明人： Koji Miyake ,  Yoshihiro Motono ,  Nobuyuki Harada ,  Akito Yano ,  Teruyuki Kanto ,  Shigeru Sakamoto

IPC分类号： B01J20/26 ,  C08J9/36

CPC分类号： B01J20/26

摘要： A water-absorbent resin is produced by crushing a mass of crosslinked hydrogel polymer having high adhesion and elastic properties without kneading it, and drying the crushed crosslinked hydrogel polymer. In the case when the crosslinked hydrogel polymer includes cells therein, the crosslinked hydrogel polymer is crushed so as to restrain reduction in the number of cells contained in the crosslinked hydrogel polymer. The crosslinked hydrogel polymer is crushed by any of crushing methods including: shearing the crosslinked hydrogel polymer with a fixed blade and a rotary blade; cutting the crosslinked hydrogel polymer with a cutter having a pair of rotary blades that are mounted on different shafts and rotate while at least partly overlapping each other; cutting the crosslinked hydrogel polymer with a cutter having a rotary blade using a lubricant; and crushing the crosslinked hydrogel polymer after freezing. With the use of the above methods, it is possible to industrially and easily mass-produce porous water-absorbent resins with excellent absorption properties while restraining reduction in the number of cells contained in the crosslinked hydrogel polymer.

摘要翻译： PCT No.PCT / JP97 / 03753 Sec。 371日期1998年6月18日 102（e）1998年6月18日PCT 1997年10月16日PCT PCT。 第WO98 / 17453号公报 日期：1998年04月30日吸水性树脂通过粉碎具有高粘合性和弹性的交联水凝胶聚合物的质量而不进行捏合而制造，并干燥破碎的交联水凝胶聚合物。 当交联的水凝胶聚合物包括其中的细胞时，交联的水凝胶聚合物被粉碎，以便抑制交联的水凝胶聚合物中所含的细胞数量的减少。 交联的水凝胶聚合物通过任何破碎方法粉碎，包括：用固定刀片和旋转刀片剪切交联的水凝胶聚合物; 用具有一对旋转叶片的切割器切割交联的水凝胶聚合物，所述一对旋转叶片安装在不同的轴上并在彼此至少部分重叠的同时旋转; 用具有旋转叶片的切割机使用润滑剂切割交联的水凝胶聚合物; 并在冷冻后破碎交联的水凝胶聚合物。 通过使用上述方法，可以在抑制交联水凝胶聚合物中所含的细胞数量的抑制的情况下，工业上容易地大量生产具有优异吸收性能的多孔吸水性树脂。

公开(公告)号：US06107358A

公开(公告)日：2000-08-22

申请号：US915557

申请日：1997-08-21

申请人： Nobuyuki Harada ,  Koji Miyake ,  Yoshihiro Motono ,  Hideyuki Tahara ,  Takumi Hatsuda ,  Teruyuki Kanto ,  Akito Yano ,  Yorimichi Dairoku ,  Kazuki Kimura ,  Yasuhiro Fujita

发明人： Nobuyuki Harada ,  Koji Miyake ,  Yoshihiro Motono ,  Hideyuki Tahara ,  Takumi Hatsuda ,  Teruyuki Kanto ,  Akito Yano ,  Yorimichi Dairoku ,  Kazuki Kimura ,  Yasuhiro Fujita

IPC分类号： C08F2/10 ,  C08J9/30

CPC分类号： C08F2/10 ,  C08F120/06 ,  C08F220/06

摘要： A method for the production of a water-absorbent resin capable of fast water absorption is disclosed which comprises the steps of dispersing bubbles of an inert gas in an aqueous monomer solution of a mixture of a water-soluble unsaturated monomer and a water-soluble cross-linking monomer and subjecting the mixture to copolymerization under the condition that a volume of the monomer solution wherein the inert gas is dispersed is in the range of 1.02 to 5 times of a volume of non-dispersant state.

摘要翻译： 公开了一种能够快速吸水的吸水性树脂的制造方法，该方法包括以下步骤：将惰性气体的气泡分散在水溶性不饱和单体和水溶性交联剂的混合物的单体水溶液中 在使分散有惰性气体的单体溶液的体积为非分散状态的体积的1.02〜5倍的条件下进行共聚合。

公开(公告)号：US06241928B1

公开(公告)日：2001-06-05

申请号：US09300196

申请日：1999-04-27

申请人： Takumi Hatsuda ,  Katsuhiro Kajikawa ,  Hideyuki Tahara ,  Koji Miyake ,  Akito Yano ,  Takanori Murakami

发明人： Takumi Hatsuda ,  Katsuhiro Kajikawa ,  Hideyuki Tahara ,  Koji Miyake ,  Akito Yano ,  Takanori Murakami

IPC分类号： B29D701

CPC分类号： B01J13/0052 ,  B01J19/1887 ,  B01J19/22 ,  B01J20/26 ,  B01J20/30 ,  B29C39/14 ,  B29C41/28 ,  B29K2995/0092

摘要： A method for the continuous production of a shaped hydrogel of absorbent resin is disclosed. This invention accomplishes the continuous production by continuously supplying in the form of a layer a monomer mixture capable of forming an absorbent resin by polymerization and polymerizing the layer of the monomer mixture. This method is characterized by retaining the rate of change of the thickness in the direction of width of the layer of hydrogel of absorbent resin at the time of formation of gel at a level of not more than 20%. The method is advantageously carried out by the use of an apparatus for the production of a shaped hydrogel of absorbent resin which comprises a movable endless revolving support belt, a monomer mixture supplying device, and a device for discharging the shaped hydrogel of absorbent resin, the apparatus preferably being provided near each of the opposite lateral parts of the movable endless revolving support belt with a lateral weir adapted to move in concert with the belt or being provided near each of the opposite lateral parts of the movable endless revolving support belt with a lateral weir fixed in such a manner as to contact the belt in a sliding state. The method of this invention permits production of a shaped hydrogel of absorbent resin intended to afford an absorbent resin which exhibits high absorption capacity, little water-soluble content and little residual monomer only in small amounts, and enjoys a high productivity rate.

摘要翻译： 公开了连续生产吸水树脂成型水凝胶的方法。 本发明通过使单体混合物的层聚合和聚合，连续地以层的形式连续供给能够形成吸收性树脂的单体混合物。 该方法的特征在于，在凝胶形成时，将吸湿树脂的水凝胶层的宽度方向的厚度变化率保持在20％以下。 该方法有利地通过使用用于生产吸收性树脂的成形水凝胶的装置进行，该设备包括可移动的环形旋转支撑带，单体混合物供应装置和用于排出吸收性树脂的成形水凝胶的装置， 设备优选地设置在可移动环形旋转支撑带的每个相对的侧部附近，具有适于与带一致移动的侧向堰或者设置在可移动环形旋转支撑带的每个相对的侧部附近， 堰以这样的方式固定，以便在滑动状态下接触皮带。 本发明的方法允许生产吸水树脂的成型水凝胶，以提供吸收性能高的吸水树脂，少量的水溶性成分和少量残留的单体，并且生产率高。

公开(公告)号：US06187902B1

公开(公告)日：2001-02-13

申请号：US09208820

申请日：1998-12-09

申请人： Toru Yanase ,  Koji Miyake ,  Takumi Hatsuda ,  Akito Yano

发明人： Toru Yanase ,  Koji Miyake ,  Takumi Hatsuda ,  Akito Yano

IPC分类号： C08J300

CPC分类号： C08J3/12 ,  C08F6/008 ,  C08J2300/14

摘要： The present invention provides a production process, in which hydrophilic crosslinked polymers can be dried uniformly with good efficiency, and the deterioration during the drying is little. The production process of a hydrophilic crosslinked polymer comprises the steps of polymerizing an aqueous solution including a hydrophilic monomer and a crosslinking agent to obtain a hydrogel crosslinked polymer, and drying the hydrogel crosslinked polymer, thus obtaining the hydrophilic crosslinked polymer, and is characterized in that: the hydrogel crosslinked polymer is dried in a static state until it becomes possible to disintegrate an aggregate of the hydrogel crosslinked polymer; the dried hydrogel crosslinked polymer is disintegrated into a particle size of 20 mm or less; and the disintegrated hydrogel crosslinked polymer is dried in a stirred state and/or a fluidized state.

摘要翻译： 本发明提供了亲水性交联聚合物能够以高效率均匀干燥的方法，干燥过程中的劣化很小。 亲水性交联聚合物的制造方法包括使包含亲水性单体和交联剂的水溶液聚合，得到水凝胶交联聚合物，干燥水凝胶交联聚合物，得到亲水性交联聚合物，其特征在于， ：水凝胶交联聚合物在静止状态下干燥直到可能使水凝胶交联聚合物的聚集体分解; 将干燥的水凝胶交联聚合物分解成20μm以下的粒径; 并且分解的水凝胶交联聚合物在搅拌状态和/或流化状态下干燥。

公开(公告)号：US6140395A

公开(公告)日：2000-10-31

申请号：US215156

申请日：1998-12-18

申请人： Takumi Hatsuda ,  Koji Miyake ,  Akito Yano

发明人： Takumi Hatsuda ,  Koji Miyake ,  Akito Yano

IPC分类号： B02C19/22 ,  B29B7/18 ,  B29B13/10 ,  C08F6/00 ,  C08J3/00

CPC分类号： B02C19/22 ,  B29B13/10 ,  B29B7/183 ,  B29K2995/0092

摘要： A method of producing hydrophilic resin by pulverizing and drying a hydrogel polymer, in which, during pulverization of the hydrogel polymer, the hydrogel polymer is sheared between two spiral rotary blades with different respective feed rates, provided opposite one another. Due to the difference in feed rates of the two rotary blades, one rotary blade overtakes the other, and the hydrogel polymer is caught therebetween and sheared. It is preferable if the temperature of the hydrogel polymer at this time is no less than 40.degree. C.

摘要翻译： 通过粉碎和干燥水凝胶聚合物来生产亲水性树脂的方法，其中在将水凝胶聚合物粉碎期间将水凝胶聚合物剪切在具有不同相应进料速率的两个螺旋旋转叶片之间，彼此相对设置。 由于两个旋转叶片的进料速率的差异，一个旋转叶片超过另一个旋转叶片，并且水凝胶聚合物被夹在其间并剪切。 此时，水凝胶聚合物的温度优选为40℃以上

公开(公告)号：US6071976A

公开(公告)日：2000-06-06

申请号：US894677

申请日：1997-08-27

申请人： Yorimichi Dairoku ,  Toshimasa Kitayama ,  Kinya Nagasuna ,  Takanori Murakami ,  Akito Yano ,  Kunihiko Ishizaki

发明人： Yorimichi Dairoku ,  Toshimasa Kitayama ,  Kinya Nagasuna ,  Takanori Murakami ,  Akito Yano ,  Kunihiko Ishizaki

IPC分类号： B29B7/40 ,  B29B7/42 ,  C08J9/00

CPC分类号： B29B7/421 ,  B29B7/401 ,  B29C47/385 ,  B29C47/605 ,  B29C47/6075 ,  B29C47/661

摘要： A high-speed agitation type mixer of a continuous extruding method including a plurality of agitating members provided around a rotational shaft inside a fixed casing is used to mix and react a water absorbing resin containing a carboxyl group with an aqueous liquid containing, for example, a crosslinking agent that can react with the carboxyl group. The agitating members of the mixer of a continuous extruding method are provided so as to form in the ejection side a second area whose thrusting force is weaker than the thrusting force in a first area in which the water absorbing resin supplied into the casing is dispersed. A device for manufacturing a water absorbing agent is thus offered which boasts good absorbency under pressure and always maintain its excellent performance with end products.

摘要翻译： PCT No.PCT / JP96 / 03782 Sec。 371日期1997年8月27日第 102（e）日期1997年8月27日PCT 1996年12月25日PCT公布。 公开号WO97 / 24394 日期1997年7月10日使用包括在固定壳体内设置在旋转轴周围的多个搅拌部件的连续挤压方法的高速搅拌型混合机，将含有羧基的吸水性树脂与水性液体 含有例如可以与羧基反应的交联剂。 提供了连续挤压方法的混合器的搅拌构件，以便在喷射侧形成第二区域，其第二区域的推力在第一区域中被提供到壳体中的吸水树脂分散在第一区域中。 因此提供了一种制造吸水剂的装置，其在压力下具有良好的吸收性，并且始终保持其与最终产品的优异性能。

公开(公告)号：US5140076A

公开(公告)日：1992-08-18

申请号：US502738

申请日：1990-04-02

申请人： Takumi Hatsuda ,  Kazumasa Kimura ,  Kinya Nagasuna ,  Akito Yano

发明人： Takumi Hatsuda ,  Kazumasa Kimura ,  Kinya Nagasuna ,  Akito Yano

IPC分类号： B01J20/26 ,  A61L15/60 ,  C08F2/16 ,  C08F8/14 ,  C08F8/30 ,  C08F8/32 ,  C08J3/00 ,  C08J3/12 ,  C08J3/24 ,  C08L101/00

CPC分类号： C08J3/12 ,  A61L15/60 ,  C08F8/14 ,  C08F8/30 ,  C08F8/32 ,  C08F2810/20 ,  C08J2300/14

摘要： A method of treating the surface of an absorbent resin, which comprises mixing (A) 100 parts by weight of an absorbent resin powder possessing a carboxyl group (B) 0.01 to 30 parts by weight of a cross-linking agent, (C) 0 to 50 parts by weight of water, and (D) 0 to 60 parts by weight of a hydrophilic organic solvent in a high-speed stirring type mixer provided with an inner surface formed substantially of a substrate (I) possessing a contact angle of not less than about 60.degree. with respect to water and a heat distortion point of not lower than about 70.degree. C. and completing reaction of said absorbent resin powder (A) with said cross-linking agent (B).

公开(公告)号：US5124416A

公开(公告)日：1992-06-23

申请号：US513074

申请日：1990-04-23

申请人： Yoshinobu Haruna ,  Akito Yano ,  Yoshio Irie ,  Teruaki Fujihara

发明人： Yoshinobu Haruna ,  Akito Yano ,  Yoshio Irie ,  Teruaki Fujihara

IPC分类号： C08F120/56 ,  B01J19/00 ,  B01J19/18 ,  C08F2/00 ,  C08F2/10 ,  C08F20/04 ,  C08F220/04 ,  C08F220/06

CPC分类号： B01J19/18 ,  B01J19/002 ,  C08F2/002 ,  C08F20/04 ,  B01J2219/00063 ,  B01J2219/00094 ,  B01J2219/00101 ,  B01J2219/182

摘要： A method for the production of an absorbent polymer by the polymerization of a liquid containing an aqeous hydrophilic monomer solution in a reaction vessel provided with at least one rotary stirring blade, which comprises polymerizing said hydrophilic monomer in a reaction vessel wherein, at least a portion of the inner wall surface of said reaction vessel repeatedly exposed to said aqueous solution or said absorbent polymer and a gas has the surface roughness, R.sub.max, thereof adjusted to not more than 3 .mu.m and at the same time said portion of the inner wall of surface is kept cooled constantly to a temperature of not more than 70.degree. C. from behind said portion with a cooling medium.

摘要翻译： 一种通过在装有至少一个旋转搅拌叶片的反应容器中聚合含有亲水性单体溶液的液体来生产吸收性聚合物的方法，该方法包括在反应容器中聚合所述亲水单体，其中至少一部分 的所述反应容器的内壁表面反复暴露于所述水溶液或所述吸收性聚合物，并且气体的表面粗糙度Rmax被调节至不超过3μm，并且同时所述内壁的所述内壁部分 用冷却介质将表面从所述部分后面恒定冷却至不高于70℃的温度。