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。

公开(公告)号：US20050054788A1

公开(公告)日：2005-03-10

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： A61L15/24 ,  C08F2/00 ,  C08F20/06

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：US06083417A

公开(公告)日：2000-07-04

申请号：US973076

申请日：1997-11-18

申请人： Tomoki Gomi ,  Yoshio Irie ,  Tadao Shimomura

发明人： Tomoki Gomi ,  Yoshio Irie ,  Tadao Shimomura

IPC分类号： C09K5/00 ,  C09K5/06 ,  F24F5/00 ,  F28D20/02

CPC分类号： C09K5/06 ,  C09K5/00 ,  F24F5/0017 ,  F28D20/02 ,  F24F2005/0025 ,  Y02B10/20 ,  Y02B10/24 ,  Y02E60/145 ,  Y02E60/147 ,  Y02P20/124

摘要： A thermal storage agent used, for example, for air-conditioning systems of buildings, exhibiting excellent thermal storage, thermal conduction and safety, and a manufacturing method thereof. The thermal storage agent contains particulate oil gel bodies prepared by letting an oil absorbent resin absorb, and thus swell with, a thermal storage oil-soluble substance, wherein the oily gel bodies have a unitary volume of not less than 0.01 cm.sup.3 and are in contact with one another. A manufacturing method in accordance with the present invention can produce the thermal storage agent by letting an oil absorbent resin that is prepared by suspension polymerization in a solution containing the oil-soluble substance absorb, and thus swell with, the oil-soluble substance.

摘要翻译： PCT No.PCT / JP97 / 00889 Sec。 371日期：1997年11月18日 102（e）1997年11月18日PCT PCT 1997年3月19日PCT公布。 公开号WO97 / 34962 日期1997年9月25日一种用于例如建筑物空调系统的蓄热剂，具有优良的蓄热，导热和安全性，及其制造方法。 储热剂含有通过使吸油性树脂吸收并因此与储热油溶性物质溶胀而制备的颗粒状油凝胶体，其中油性凝胶体的单位体积不小于0.01cm 3并且接触 彼此之间 根据本发明的制造方法可以通过在含有油溶性物质的溶液中吸收通过悬浮聚合制备的吸油性树脂，从而与油溶性物质一起溶胀来制造蓄热剂。

公开(公告)号：US5574121A

公开(公告)日：1996-11-12

申请号：US262065

申请日：1994-06-17

申请人： Yoshio Irie ,  Nobuyuki Harada ,  Kinya Nagasuna ,  Kohichi Hirota ,  Yoshihiko Masuda ,  Hideaki Nagano ,  Hideyuki Kubo

发明人： Yoshio Irie ,  Nobuyuki Harada ,  Kinya Nagasuna ,  Kohichi Hirota ,  Yoshihiko Masuda ,  Hideaki Nagano ,  Hideyuki Kubo

IPC分类号： A61L15/24 ,  C08F220/04 ,  C08F236/22

CPC分类号： C08F220/04 ,  A61L15/24 ,  Y10S526/93

摘要： A process for preparing an absorbent resin includes the steps of: preparing a first crosslinking agent (A) including at least two polymerizable unsaturated bonds; preparing a second crosslinking agent (B) including at least two polymerizable unsaturated bonds and hydroxyl groups; preparing a crosslinking agent including (A) and (B) with a ratio of (A) to (B) ranging from 95/5 to 50/50; and polymerizing a hydrophilic unsaturated monomer having at least one carboxyl group using the crosslinking agent. The crosslinking agent includes a crosslinking agent which includes a main component at least 90 percent by weight, the main component being an ester having at least two polymerizable unsaturated bonds, wherein the ester is composed of a polyhydroxy alcohol (C) having not more than six carbon atoms and at least three hydroxy groups, and an unsaturated carboxylic acid (D); and a molecular weight ratio of the main component to a standard compound (E) is in the range of from 0.7/1 to less than 1.3/1, (E) being an ester composed of (C) that composes the main component, and (D) that composes the main component, in which all the hydroxy groups in (C) are ester-linked with (D).

摘要翻译： 制备吸收性树脂的方法包括以下步骤：制备包含至少两个可聚合不饱和键的第一交联剂（A）; 制备包含至少两个可聚合不饱和键和羟基的第二交联剂（B）; 制备包含（A）和（B）的交联剂，比例为（A）至（B）为95/5至50/50; 并使用交联剂聚合具有至少一个羧基的亲水性不饱和单体。 交联剂包括交联剂，其包含至少90重量％的主要组分，主要组分是具有至少两个可聚合不饱和键的酯，其中该酯由不超过六个的多羟基醇（C）组成 碳原子和至少三个羟基，和不饱和羧酸（D）; 并且主成分与标准化合物（E）的分子量比在0.7 / 1〜小于1.3 / 1的范围内，（E）是由构成主成分的（C）构成的酯，和 （D）构成其中（C）中的所有羟基与（D）酯连接的主要组分。

公开(公告)号：US5338810A

公开(公告)日：1994-08-16

申请号：US27678

申请日：1993-03-08

申请人： Tadao Shimomura ,  Yoshio Irie ,  Hitoshi Takahashi ,  Katsuhiro Kajikawa ,  Jyunichi Saga ,  Teruaki Fujiwara ,  Takumi Hatsuda

发明人： Tadao Shimomura ,  Yoshio Irie ,  Hitoshi Takahashi ,  Katsuhiro Kajikawa ,  Jyunichi Saga ,  Teruaki Fujiwara ,  Takumi Hatsuda

IPC分类号： C07C51/41 ,  C07C51/50 ,  C07C57/04 ,  C08F2/00 ,  C08F120/06 ,  C08F130/04

CPC分类号： C07C51/50 ,  A61L15/24 ,  A61L15/28 ,  B01J19/24 ,  C08F2/01 ,  C08F2/10 ,  B01J2219/185 ,  B01J2219/1923

摘要： A method for the production of an acrylate by the neutralization reaction of acrylic acid and a basic substance, comprising sequentially (A) a step of supplying acrylic acid and said basic substance to water thereby subjecting them to a neutralization reaction while constantly retaining the neutralization ratio of acrylic acid within the neutralization reaction system in the range of 75 to 100 mol %, (B) a step of adjusting the neutralization ratio of acrylic acid within said neutralization reaction system in the range of 100.1 to 110 mol % by supplying said basic substance to said neutralization reaction system, (C) a step of retaining the neutralization ratio of acrylic acid within said neutralization reaction system in the range of 100.1 to 110 mol % for a period in the range of 1 to 120 minutes thereby allowing the neutralization reaction product to age, and (D) a step of adjusting the neutralization ratio of acrylic acid within said neutralization reaction system in the range of 20 to 100 mol % by supplying acrylic acid to said neutralization reaction system, and a method for the production of an acrylate-containing polymer using the acrylate.

摘要翻译： 一种通过丙烯酸和碱性物质的中和反应制备丙烯酸酯的方法，其包括依次（A）将丙烯酸和所述碱性物质供给水的步骤，由此使其进行中和反应，同时保持中和率 的丙烯酸在75〜100摩尔％的范围内，（B）将所述中和反应体系中的丙烯酸的中和比例调整为100.1〜110摩尔％的步骤，通过供给所述碱性物质 所述中和反应体系中，（C）将所述中和反应体系中的丙烯酸中和比例保持在1〜120分钟的范围内的步骤，为100-1〜110摩尔％，从而使中和反应产物 （D）将所述中和反应体系中丙烯酸的中和比调节至2的范围 通过向所述中和反应体系供给丙烯酸，0〜100摩尔％，以及使用该丙烯酸酯制造含丙烯酸酯的聚合物的方法。

公开(公告)号：US5298570A

公开(公告)日：1994-03-29

申请号：US932551

申请日：1992-08-20

申请人： Hideyuki Tahara ,  Hiroshi Ito ,  Masahito Takagi ,  Yoshio Irie ,  Keishi Tsuboi ,  Shigeru Yamaguchi

发明人： Hideyuki Tahara ,  Hiroshi Ito ,  Masahito Takagi ,  Yoshio Irie ,  Keishi Tsuboi ,  Shigeru Yamaguchi

IPC分类号： C02F1/68 ,  C08F8/00 ,  C08L33/02 ,  C11D3/37 ,  D06L3/02 ,  D06P1/52 ,  C08F8/14 ,  C08F122/02

CPC分类号： D06P1/5278 ,  C02F1/681 ,  C08F8/00 ,  C08L33/02 ,  C11D3/3757 ,  D06L3/021 ,  D06P1/5271 ,  Y10S526/932

摘要： The invention provides biodegradable crosslinked polymers, which have a chelating effect and a dispersing effect to disperse an oily substance and an inorganic substance hardly soluble in water and are excellent in dispersion into water. The crosslinked polymers comprise; an ingredient of molecular weight 5,000 or less in 50% by weight, a bond having at least one of a group (II) represented by the chemical formula --CO--O-- and a group (III) represented by the chemical formula --CO--NH-- as a composition unit between main chains having a water-soluble oligomer structure having the functional group (I) represented by the general formula --COOM (here, M denotes anyone of a hydrogen atom, monovalent metal, divalent metal, trivalent metal, an ammonium group and organic amine group.), and showing a viscosity of 1,000 cP or less at 20.degree. C. by a 20% by weight aqueous solution of the crosslinked polymer.

摘要翻译： 本发明提供具有螯合作用和分散效果的生物降解性交联聚合物，其分散油状物质和几乎不溶于水的无机物质，并且分散于水中优异。 交联聚合物包含： 分子量为5000以下的成分为50重量％，具有由化学式-CO-O-表示的基团（II）中的至少一种的键和由化学式-CO- NH-作为具有具有由通式-COOM表示的官能团（I）的水溶性低聚物结构的主链之间的组合单元（这里，M表示氢原子，一价金属，二价金属，三价金属， 铵基和有机胺基），并且通过20重量％的交联聚合物水溶液在20℃下显示出1,000cP或更低的粘度。

公开(公告)号：US5275773A

公开(公告)日：1994-01-04

申请号：US827444

申请日：1992-01-29

申请人： Yoshio Irie ,  Takumi Hatsuda ,  Koichi Yonemura

发明人： Yoshio Irie ,  Takumi Hatsuda ,  Koichi Yonemura

IPC分类号： C08J3/12 ,  C08F220/06

CPC分类号： C08J3/12 ,  C08J2300/14 ,  Y10S524/916

摘要： A method for the production of a particulate hydrated gel polymer, which includes heating a hydrated gel polymer possessed of a cross-linked structure to a temperature in the range of from 45.degree. to 90.degree. C. and extruding the resultant hot hydrated gel polymer through a perforated plate containing holes of a diameter in the range of from 6.5 to 18 mm and an absorbent resin which includes drying the resultant particulate hydrated gel polymer.

摘要翻译： 一种用于生产颗粒状水合凝胶聚合物的方法，其包括将具有交联结构的水合凝胶聚合物加热至45℃至90℃的温度，并将所得热水凝胶聚合物挤出 包含直径在6.5至18mm范围内的孔的多孔板和包括干燥所得颗粒状水合凝胶聚合物的吸收性树脂。