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。

公开(公告)号：US4625001A

公开(公告)日：1986-11-25

申请号：US790819

申请日：1985-10-24

申请人： Tsuneo Tsubakimoto ,  Tadao Shimomura ,  Yoshio Irie

发明人： Tsuneo Tsubakimoto ,  Tadao Shimomura ,  Yoshio Irie

IPC分类号： B01J19/20 ,  C08F2/00 ,  C08F2/10

CPC分类号： C08F2/10 ,  B01J19/20 ,  C08F2/002

摘要： A method for the continuous production of a cross-linked polymer having a low proportion of large particles, comprising the steps of continuously feeding the aqueous solution of a monomer capable of being converted by aqueous solution polymerization into a water-containing cross-linked gel polymer and a polymerization initiator to a vessel provided with a plurality of mutually parallel rotary stirring shafts each fitted with stirring blades, finely dividing a water-containing gel polymer issuing from the polymerization in progress by the shearing force of stirring blades generated by the rotation of said stirring shafts while allowing the radical aqueous solution polymerization to proceed without interruption, and continuously discharging the resultant finely divided water-containing gel polymer out of said vessel.

摘要翻译： 一种连续生产具有低比例的大颗粒的交联聚合物的方法，包括以下步骤：将能够通过水溶液聚合转化的单体的水溶液连续进料到含水交联凝胶聚合物 和聚合引发剂，其设置有多个相互平行的旋转搅拌轴，每个旋转搅拌轴均装有搅拌叶片，通过由所述搅拌叶片的旋转产生的搅拌叶片的剪切力将从聚合反应中发出的含水凝胶聚合物细分， 同时允许自由基水溶液聚合不间断地进行，并将所得细分的含水凝胶聚合物从所述容器中连续排出。

公开(公告)号：US4286082A

公开(公告)日：1981-08-25

申请号：US137640

申请日：1980-04-07

申请人： Tsuneo Tsubakimoto ,  Tadao Shimomura ,  Yoshio Irie ,  Yoshihiko Masuda

发明人： Tsuneo Tsubakimoto ,  Tadao Shimomura ,  Yoshio Irie ,  Yoshihiko Masuda

IPC分类号： A61L15/18 ,  A61L15/48 ,  A61L15/60 ,  C08F2/18 ,  C08F220/06

CPC分类号： C08F220/06 ,  A61L15/18 ,  A61L15/48 ,  A61L15/60 ,  Y10T428/2982 ,  Y10T428/2998

摘要： An absorbent resin composition obtained by copolymerizing in an aqueous solution a mixture of 100 parts by weight of an acrylate salt monomer (B) composed of 0 to 50 mol % of acrylic acid and 50 to 100 mol % of an alkali metal acrylate and 0.001 to 5 part by weight of a crosslinkable monomer (C) having 2 to 4 groups selected from the group consisting of CH.sub.2 .dbd.CHCO--, CH.sub.2 .dbd.C(CH.sub.3)C0-- and CH.sub.2 .dbd.CH-CH.sub.2 -- in the molecule in the presence of at least one surface-active agent (A) selected from the group consisting of water-soluble surface-active agents and water-dispersible surface-active agents in the presence of a water-soluble radical polymerization initiator while maintaining the initial concentration of said mixture in the range of from 25% by weight to saturation, and then drying the resulting gel-like hydrous polymer under heat; and an absorbent resin composition obtained by pulverizing said absorbent resin composition to form a resin powder, and blending said resin powder with 0.01 to 10 parts by weight, per 100 parts by weight of said resin powder, of ultra-microscopic silica having a specific surface area, measured by the Brunauer-Emmett-Teller method, of at least 50 m.sup.2 /g and a particle diameter of not more than about 0.05 micron: and a process for producing the same.

摘要翻译： 一种吸收性树脂组合物，其通过在水溶液中共聚100重量份由0〜50摩尔％的丙烯酸和50〜100摩尔％的碱金属丙烯酸酯组成的丙烯酸盐单体（B）和0.001〜 5重量份在存在下的分子中具有2至4个选自CH 2 = CHCO-，CH 2 = C（CH 3）C 0 - 和CH 2 = CH-CH 2 - 的基团的交联性单体（C） 在水溶性自由基聚合引发剂存在下，选自水溶性表面活性剂和水分散性表面活性剂的至少一种表面活性剂（A），同时保持所述混合物的初始浓度 25重量％至饱和的范围，然后在加热下干燥所得凝胶状含水聚合物; 和通过将所述吸收性树脂组合物粉碎以形成树脂粉末而获得的吸收性树脂组合物，并将所述树脂粉末与每100重量份所述树脂粉末相当的0.01至10重量份的具有比表面积的超微量二氧化硅 通过Brunauer-Emmett-Teller方法测量的面积至少为50m 2 / g，粒径不大于约0.05微米，及其制造方法。

公开(公告)号：US3930954A

公开(公告)日：1976-01-06

申请号：US474771

申请日：1974-05-30

申请人： Yoshio Irie

发明人： Yoshio Irie

IPC分类号： C12M3/00 ,  C12N5/02 ,  C12N5/06 ,  C12N9/54 ,  C07G7/02 ,  C12D13/10 ,  C12K9/00

CPC分类号： C12N9/54 ,  Y10S435/838

摘要： This invention relates to a neutral protease useful for animal tissue cell culture and having the chemical and physical properties disclosed in the body of the specification, characterized in that said protease is produced by aerobically culturing a strain of Bacillus polymyxa deposited at the American Type Culture Collection, Rockville, Maryland under accession number ATCC 21993 on a culture medium containing a suitable carbon source and nitrogen source.

公开(公告)号：US08519212B2

公开(公告)日：2013-08-27

申请号：US12777373

申请日：2010-05-11

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： A61F13/49 ,  C08F8/00 ,  C08F20/06 ,  C08F2/48

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 %.

公开(公告)号：US20110040044A1

公开(公告)日：2011-02-17

申请号：US12937056

申请日：2009-04-10

申请人： Atsushi Motoyama ,  Seiji Kato ,  Makoto Matsumoto ,  Takaaki Kawano ,  Yoshio Irie

发明人： Atsushi Motoyama ,  Seiji Kato ,  Makoto Matsumoto ,  Takaaki Kawano ,  Yoshio Irie

IPC分类号： C08F120/06

CPC分类号： C08J3/128 ,  C08F220/06 ,  C08J3/24 ,  C08J2300/14 ,  C08J2333/02 ,  C08L33/02 ,  C08F222/1006

摘要： The present invention provides a surface treatment method for a water-absorbing resin comprising three steps of: 1) a humidifying and mixing step for mixing a base polymer and a surface cross-linking agent solution to obtain a “humidified substance”; 2) a pretreatment step for raising temperature of said humidified substance to obtain a “pretreated substance”; and 3) a surface cross-linking reaction step for cross-linking said pretreated substance to obtain a surface cross-linked “water-absorbing resin”; wherein dew point in the pretreatment step of the above 2) is from 50° C. to 95° C., and temperature of said humidified substance is raised from temperature below the dew point up to a temperature of 10° C. higher than the dew point.

摘要翻译： 本发明提供一种吸水性树脂的表面处理方法，包括以下三个步骤：1）加湿混合步骤，用于混合基础聚合物和表面交联剂溶液以获得“加湿物质”; 2）用于升高所述加湿物质的温度以获得“预处理物质”的预处理步骤; 和3）用于交联所述预处理物质以获得表面交联的“吸水树脂”的表面交联反应步骤; 其中上述2）的预处理步骤中的露点为50℃至95℃，并且所述加湿物质的温度从低于露点的温度升高至高于10℃的温度 露点

公开(公告)号：US07803880B2

公开(公告)日：2010-09-28

申请号：US10572565

申请日：2004-09-17

申请人： Kazushi Torii ,  Hirofumi Shibata ,  Taku Iwamura ,  Yoshio Irie ,  Yorimichi Dairoku ,  Yoshiro Mitsukami ,  Sayaka Machida

发明人： Kazushi Torii ,  Hirofumi Shibata ,  Taku Iwamura ,  Yoshio Irie ,  Yorimichi Dairoku ,  Yoshiro Mitsukami ,  Sayaka Machida

IPC分类号： C08F20/02

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 (95 wt % 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度，但不小于106度，对数标准偏差（ƒðƒÄ）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。

公开(公告)号：US20090305884A1

公开(公告)日：2009-12-10

申请号：US12296808

申请日：2007-09-28

申请人： Shigeru Sakamoto ,  Yoshio Irie ,  Hiroyuki Ikeuchi ,  Makoto Nagasawa ,  Kunihiko Ishizaki ,  Sayaka Machida

发明人： Shigeru Sakamoto ,  Yoshio Irie ,  Hiroyuki Ikeuchi ,  Makoto Nagasawa ,  Kunihiko Ishizaki ,  Sayaka Machida

IPC分类号： B01J20/26

CPC分类号： C08J3/12 ,  B29B9/06 ,  B29B17/00 ,  C08J2300/14 ,  Y02W30/62

摘要： The present invention provides a method for producing a water absorbent resin particle, in high productivity, not only in a controlled manner of particle size but also enhancing fundamental property (absorption capacity or absorption capacity against pressure) of a water absorbent resin. A method for producing a water absorbent resin particle having the cross-linking polymerization step for an aqueous solution of an unsaturated monomer; the grain refining step for water-swellable, water-containing gel-like cross-linked polymer (a) obtained in the cross-linking polymerization step; the drying step for grain refined gel; and the crushing step for a dried substance, wherein, in the grain refining step for the water-swellable, water-containing gel-like cross-linked polymer (a), water-swellable, water-containing gel-like cross-linked polymer (b), having solid content or centrifuge retention capacity different from solid content or centrifuge retention capacity of the cross-linked polymer (a) by equal to or larger than 1%, is subjected to coexistence.

摘要翻译： 本发明提供了一种生产吸水性树脂颗粒的方法，不仅以受控的粒度控制，而且提高了吸水性树脂的基本性能（吸收能力或抗吸收能力）。 一种制备具有用于不饱和单体的水溶液的交联聚合步骤的吸水性树脂颗粒的方法; 在交联聚合步骤中获得的水溶胀性含水凝胶状交联聚合物（a）的晶粒细化步骤; 颗粒精制凝胶的干燥步骤; 和干物质的破碎步骤，其中在水溶胀性含水凝胶状交联聚合物（a）的晶粒细化工序中，水溶胀性含水凝胶状交联聚合物 （b）具有不同于交联聚合物（a）的固体含量或离心保留能力等于或大于1％的固体含量或离心保留能力共存。

公开(公告)号：US07622535B2

公开(公告)日：2009-11-24

申请号：US11089160

申请日：2005-03-24

申请人： Yorimichi Dairoku ,  Yoshio Irie ,  Shinichi Fujino ,  Yasuhiro Fujita ,  Kenji Tada ,  Hiroki Inoue ,  Makoto Nagasawa ,  Hirofumi Shibata

发明人： Yorimichi Dairoku ,  Yoshio Irie ,  Shinichi Fujino ,  Yasuhiro Fujita ,  Kenji Tada ,  Hiroki Inoue ,  Makoto Nagasawa ,  Hirofumi Shibata

IPC分类号： C08F2/00 ,  C08F236/00 ,  C08F20/06

CPC分类号： C08F6/006

摘要： The present invention relates to a method for continuous production of a water-absorbent resin by use of an continuous polymerization device having a charge part of a monomer aqueous solution; an endless belt on which the monomer and a hydropolymer formed are conveyed; and a discharge part of the hydropolymer, wherein the continuous polymerization device has side walls and a ceiling, and the space ratio in the device represented by the equation, “space ratio in the device=B/A”, is in the range of 1.2 to 20. In the equation, A is a maximum cross-sectional area (cm2) of the hydropolymer during the polymerization in the width direction of the endless belt, and B is a maximum cross-sectional area (cm2) of the space between the endless belt of the continuous polymerization device and the ceiling of the continuous polymerization device in the width direction of the endless belt.

摘要翻译： 本发明涉及使用具有单体水溶液的电荷部分的连续聚合装置连续制造吸水性树脂的方法; 输送单体和形成的氢化聚合物的环状带; 和氢化聚合物的排出部分，其中连续聚合装置具有侧壁和天花板，并且由等式“器件中的空间比= B / A”表示的器件中的空间比在1.2 在该方程式中，A是在环形带的宽度方向上的聚合期间的氢化聚合物的最大横截面积（cm2），B是在环状带的宽度方向上的最大横截面积（cm2） 连续聚合装置的环形带和连续聚合装置的天花板在环形带的宽度方向上。

公开(公告)号：US06875511B2

公开(公告)日：2005-04-05

申请号：US10443777

申请日：2003-05-23

申请人： Yorimichi Dairoku ,  Yoshio Irie ,  Kenji Tada ,  Shinichi Fujino ,  Makoto Nagasawa

发明人： Yorimichi Dairoku ,  Yoshio Irie ,  Kenji Tada ,  Shinichi Fujino ,  Makoto Nagasawa

IPC分类号： C08J3/12 ,  B32B5/16

CPC分类号： C08J3/12 ,  C08J3/122 ,  C08J2300/14 ,  Y10T428/2982 ,  Y10T428/2985 ,  Y10T428/2991 ,  Y10T428/2998

摘要： The present invention provides: a production process for a particulate water-absorbent resin with high productivity, which production process is carried out in such a manner that the particulate water-absorbent resin will contain particles with particle diameters of 150 to 850 μm (but excluding 850 μm) in an amount of not smaller than 75 weight % of the particulate water-absorbent resin after the pulverization step or after the pulverization step and the drying step even if the adjustment of the particle diameters is not carried out by the sieving classification procedure; a novel particulate water-absorbent resin having high properties; and a sanitary material comprising this particulate water-absorbent resin. The production process for a particulate water-absorbent resin, according to the present invention, is carried out in such a manner that the particulate water-absorbent resin will contain particles with particle diameters of 150 to 850 μm (but excluding 850 μm) in an amount of not smaller than 75 weight % of the particulate water-absorbent resin after the pulverization step or after the pulverization step and the drying step; with the production process being characterized in that, in the pulverization step, a hydropolymer of a water-absorbent resin having a water content of 10 to 30 weight % is pulverized with a pulverizer.

摘要翻译： 本发明提供一种高生产率的颗粒状吸水性树脂的制造方法，该制造方法以粒状吸水性树脂含有粒径为150〜850μm的粒子（但不包括 850μm），在粉碎步骤之后或粉碎步骤和干燥步骤之后的颗粒状吸水性树脂的75重量％以上，即使不通过筛分分级程序进行粒径的调整 ; 具有高性能的新型颗粒状吸水性树脂; 以及包含该颗粒状吸水性树脂的卫生材料。 根据本发明的颗粒状吸水性树脂的制造方法，是使颗粒状吸水性树脂含有粒径为150〜850μm（但不包括850μm）的颗粒， 在粉碎步骤之后或粉碎步骤和干燥步骤之后的颗粒状吸水性树脂的75重量％以上的量; 其制造方法的特征在于，在粉碎工序中，用粉碎机粉碎含水率为10〜30重量％的吸水性树脂的氢化聚合物。