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：US5478879A

公开(公告)日：1995-12-26

申请号：US822916

申请日：1992-01-21

申请人： Katsuhiro Kajikawa ,  Yoshihiko Masuda ,  Kinya Nagasuna ,  Yoshio Irie

发明人： Katsuhiro Kajikawa ,  Yoshihiko Masuda ,  Kinya Nagasuna ,  Yoshio Irie

IPC分类号： C08F2/10 ,  C08J3/00 ,  C08K3/20 ,  C08L33/00

CPC分类号： C08F2/10 ,  Y10S524/916

摘要： A method for the production of an absorbent resin, which method comprises mixing 100 parts by weight of (A) a hydrated gel of absorbent resin which is resulted from aqueous solution polymerization having a polymerization ratio in the range of from 60 to 99%, an average particle diameter in the range of from 0.1 to 200 mm, a water content in the range of from 30 to 90% by weight, and a temperature in the range of from 40.degree. to 110.degree. C., with from 1 to 50 parts by weight of (B) a substantially dry fine absorbent resin powder having an average particle diameter smaller than the average particle diameter assumed by said hydrated gel of absorbent resin (A) while in a dried state, then raising the polymerization ratio of said hydrated gel of absorbent resin (A) to a level higher than the polymerization ratio of said hydrated gel when being mixed.

摘要翻译： 一种制造吸收性树脂的方法，该方法包括将100重量份由（A）由聚合率为60-99％范围的水溶液聚合得到的吸水性树脂的水合凝胶， 平均粒径为0.1〜200mm，水含量为30〜90重量％，温度为40〜110℃，1〜50份 （B）在干燥状态下，平均粒径小于由吸水性树脂（A）的所述水合凝胶构成的平均粒径的基本上干燥的细小吸水树脂粉末，然后提高所述水合凝胶的聚合比例 的吸水性树脂（A）的混合比例高于所述水合凝胶的混合比。

公开(公告)号：US5532323A

公开(公告)日：1996-07-02

申请号：US26407

申请日：1993-03-04

申请人： Kazutaka Yano ,  Katsuhiro Kajikawa ,  Kinya Nagasuna ,  Yoshio Irie

发明人： Kazutaka Yano ,  Katsuhiro Kajikawa ,  Kinya Nagasuna ,  Yoshio Irie

IPC分类号： A61L15/60 ,  C08F220/04 ,  C08F8/14 ,  C08J3/24

CPC分类号： C08F220/04 ,  A61L15/60

摘要： An absorbent resin exhibiting a high absorption ratio, having only a small water-soluble component content, and have excellent gel stability to withstand the effect of aging is produced. The production of the absorbent resin comprises a step of polymerizing a water-soluble monoethylenically unsaturated monomer by using, in a proportion of 0.01-0.3 mol % based on the amount of the water-soluble monoethylenically unsaturated monomer, a cross-linking agent having at least one group of the following formula I: ##STR1## wherein R.sup.1 is an alkylene group of 2 to 4 carbon atoms interposed between two polymerizing unsaturated groups in the molecular unit thereof and then heat-treating the resin produced by the polymerization at a temperature in the range of from 160.degree. to 230.degree. C.

摘要翻译： 产生具有高吸收比，仅具有小的水溶性组分含量并且具有优异的凝胶稳定性以抵抗老化的效果的吸收性树脂。 吸收性树脂的制造包括以水溶性单烯属不饱和单体的量为基准，以水溶性单烯键式不饱和单体的量计，以0.01-0.3摩尔％的比例使用水溶性单烯属不饱和单体的交联剂 至少一组下列通式I：（CH2CH2OR1O）（I）其中R1是分子单元中两个聚合不饱和基团之间插入2至4个碳原子的亚烷基，然后热处理由聚合产生的树脂 温度范围为160〜230℃。

公开(公告)号：US5229488A

公开(公告)日：1993-07-20

申请号：US576942

申请日：1990-09-04

申请人： Kinya Nagasuna ,  Katsuhiro Kajikawa ,  Takumi Hatsuda ,  Yoshio Irie ,  Teruaki Fujiwara

发明人： Kinya Nagasuna ,  Katsuhiro Kajikawa ,  Takumi Hatsuda ,  Yoshio Irie ,  Teruaki Fujiwara

IPC分类号： C08F6/00

CPC分类号： C08F6/001

摘要： An absorbent resin is produced by a method which comprises adding to 100 parts by weight of an absorbent resin powder an aqueous liquid containing 7 to 100 parts by weight of water and a reducing substance in the presence of 0.01 to 5 parts by weight of at least one additive selected from the group consisting of water-insoluble fine powders and surfactants. The absorbent resin thus produced excels in absorption properties and exhibits a low residual monomer content.

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：US4734478A

公开(公告)日：1988-03-29

申请号：US748820

申请日：1985-06-26

申请人： Tsuneo Tsubakimoto ,  Tadao Shimomura ,  Yoshio Irie ,  Yoshihiko Masuda ,  Kazumasa Kimura ,  Takumi Hatsuda

发明人： Tsuneo Tsubakimoto ,  Tadao Shimomura ,  Yoshio Irie ,  Yoshihiko Masuda ,  Kazumasa Kimura ,  Takumi Hatsuda

IPC分类号： A61L15/18 ,  A61L15/60 ,  B01J20/26 ,  C08F8/14 ,  C08J3/12 ,  C08J3/24 ,  D21H17/28 ,  D21H17/43

CPC分类号： C08J3/12 ,  A61L15/18 ,  A61L15/60 ,  B01J20/26 ,  C08F8/14 ,  D21H17/28 ,  D21H17/43 ,  C08F2810/20 ,  C08J2300/14

摘要： The invention provides [I] a water-absorbing agent composed of a water-absorbing resin powder having the molecular chains near its surface being crosslinked, said powder being obtained by mixing 100 parts by weight of a powder of a carboxyl-containing water-absorbing resin selected from the group consisting of a hydrolyzate of a starch-acrylonitrile graft polymer, a partially neutralized product of a starch-acrylic acid graft polymer, a saponification product of a vinyl acetate-acrylic ester copolymer, a hydrolyzate of an acrylonitrile copolymer, a crosslinked product of a hydrolyzate of an acrylonitrile copolymer, a hydrolyzate of an acrylamide copolymer, a crosslinked product of a hydrolyzate of an acrylamide copolymer, a partially neutralized product of polyacrylic acid, and a crosslinked product of partially neutralized polyacrylic acid with 0.001 to 10 parts by weight of a polyhydric alcohol, 0.01 to 8 parts by weight of a hydrophilic organic solvent and 0 to 8 parts by weight of water, and heating the mixture at a temperature of at least 90.degree. C. to react the water-absorbing resin powder with the polyhydric alcohol; [II] a water-absorbing agent composed of a mixture of the water-absorbing agent [I] with finely divided silica; [III] a water-absorbing agent obtained by pulverizing and granulating a mixture of the water-absorbing agent [I] with an aqueous liquid; and [IV] a water-absorbing agent composed of a mixture of the water-absorbing agent [III] with finely divided silica.

摘要翻译： 本发明提供[I]一种由其表面附近的分子链交联的吸水性树脂粉末组成的吸水剂，所述粉末是通过将100重量份的含羧基的吸水性粉末 选自淀粉 - 丙烯腈接枝聚合物的水解产物，淀粉 - 丙烯酸接枝聚合物的部分中和产物，乙酸乙烯酯 - 丙烯酸酯共聚物的皂化产物，丙烯腈共聚物的水解产物， 丙烯腈共聚物的水解产物，丙烯酰胺共聚物的水解产物，丙烯酰胺共聚物的水解产物的交联产物，聚丙烯酸的部分中和产物和部分中和的聚丙烯酸的交联产物与0.001至10份的交联产物 的多元醇，0.01〜8重量份的亲水性有机溶剂和0〜8重量份的 水，并在至少90℃的温度下加热混合物以使吸水性树脂粉末与多元醇反应; [II]由吸水剂[I]与细碎二氧化硅的混合物组成的吸水剂; [III]通过将吸水剂[I]与水性液体的混合物粉碎和造粒得到的吸水剂; 和[IV]由吸水剂[III]与细碎二氧化硅的混合物组成的吸水剂。

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.

公开(公告)号：US08791210B2

公开(公告)日：2014-07-29

申请号：US13201701

申请日：2010-02-17

申请人： Shigeru Sakamoto ,  Yoshio Irie ,  Kozo Nogi ,  Kunihiko Ishizaki

发明人： Shigeru Sakamoto ,  Yoshio Irie ,  Kozo Nogi ,  Kunihiko Ishizaki

IPC分类号： C08C19/00 ,  C08F20/10 ,  C08F222/20 ,  C08F2/34 ,  C08F8/00

CPC分类号： C08C19/00 ,  C08F2/10 ,  C08F2/16 ,  C08F2/34 ,  C08F8/00 ,  C08F20/10 ,  C08F220/06 ,  C08F222/20

摘要： A method for producing a polyacrylic water-absorbent resin powder includes the steps of: producing an acrylic monomer solution in which gas is dissolved and/or dispersed; polymerizing the monomer solution in the absence of a surface active agent or in the presence of not more than 300 ppm of a surface active agent; during or after polymerizing, fragmenting the resulting hydrated gel crosslinked polymer; and drying the fragmented hydrated gel crosslinked polymer, the gas being dissolved and/or dispersed in the monomer solution by (a) applying pressure to the acrylic monomer solution and the gas; (b) creating swirling flows of the acrylic monomer solution and the gas; or (c) introducing the gas with the acrylic monomer solution via fine holes. The production method efficiently produces a water-absorbent resin having an excellent water-absorption rate without deteriorating a liquid-absorbent property of a sanitary product or the like.

摘要翻译： 聚丙烯酸吸水性树脂粉末的制造方法包括以下工序：制造溶解和/或分散有气体的丙烯酸类单体溶液; 在不存在表面活性剂的情况下或在不超过300ppm表面活性剂的存在下聚合单体溶液; 在聚合期间或之后，将所得水合凝胶交联聚合物破碎; 并且通过（a）向丙烯酸单体溶液和气体施加压力，干燥碎裂的水合凝胶交联聚合物，气体溶解和/或分散在单体溶液中; （b）产生丙烯酸单体溶液和气体的旋流; 或（c）通过细孔将丙烯酸单体溶液引入气体。 制造方法有效地制造吸水率优异的吸水性树脂，而不会降低卫生用品等的吸液性。

公开(公告)号：US20120329953A1

公开(公告)日：2012-12-27

申请号：US13583144

申请日：2011-03-07

申请人： Yoshio Irie

发明人： Yoshio Irie

IPC分类号： C08F20/18

CPC分类号： C08F6/008 ,  A61L15/22 ,  A61L15/60 ,  B01D1/24 ,  B01J2/26 ,  C08F22/02 ,  C08J3/12 ,  C08J2300/14 ,  C08L33/02 ,  C08L33/06

摘要： The present invention is to provide a drying method by which both cost reduction and superior physical properties can be attained in a step which comprises subjecting a water-containing gel-like crosslinked polymer obtained by polymerizing an aqueous monomer solution to fine granulation during or after the polymerization, and drying the resultant particulate water-containing gel-like crosslinked polymer with a through-circulation band dryer. The method has a feature in that the drying conditions over a period from a time of introducing the particulate water-containing gel-like crosslinked polymer into a drying zone of the through-circulation band dryer to a time of reaching a solid content concentration thereof to 80% by weight, satisfy that (1) a difference of temperature between a temperature of hot air blown to a particulate hydrogel layer and a temperature measured after the hot air passes through the particulate hydrogel layer is 20 to 70° C.

摘要翻译： 本发明提供一种干燥方法，其可以在以下步骤中实现成本降低和物理性能优异的步骤：将含有单体溶液聚合得到的含水凝胶状交联聚合物在 聚合，并用通过循环带式干燥器干燥得到的含颗粒状含水凝胶状交联聚合物。 该方法的特征在于，在将含颗粒状含水凝胶状交联聚合物引入通循环带式干燥机的干燥区域到达固体成分浓度的时间的期间内的干燥条件为 80重量％，满足以下（1）吹入颗粒状水凝胶层的热空气的温度与热空气通过颗粒状水凝胶层后测得的温度之间的温度差为20〜70℃。

公开(公告)号：US07595428B2

公开(公告)日：2009-09-29

申请号：US10148436

申请日：2001-11-21

申请人： Hiroko Ueda ,  Katsuyuki Wada ,  Yoshio Irie

发明人： Hiroko Ueda ,  Katsuyuki Wada ,  Yoshio Irie

IPC分类号： A61F13/15

CPC分类号： A61L15/40 ,  A61L15/46 ,  A61L15/60 ,  A61L2300/30

摘要： The present invention has an object to provide a particulate water-absorbing composition, a production process therefor, and an absorbent article comprising this particulate water-absorbing composition, wherein the particulate water-absorbing composition causes little coloring of other materials and further is of high safety, and can provide excellent deodorizability and excellent absorption properties to absorbent articles such as diapers in the case where combined into the absorbent articles. As a means of achieving this object, a particulate water-absorbing composition according to the present invention is characterized by comprising a plant powder and a water-absorbent resin, wherein a surface portion and/or its vicinity of the water-absorbent resin is surface-treated with a crosslinking agent, and wherein the particulate water-absorbing composition exhibits an offensive-odor removal index of not less than 180 wherein the offensive-odor removal index is represented by the following equation: offensive-odor removal index=1.1×hydrogen sulfide removal ratio+2.0×methylmercaptan removal ratio+0.3×ammonia removal ratio.

摘要翻译： 本发明的目的是提供一种颗粒状吸水性组合物及其制造方法以及包含该颗粒状吸水性组合物的吸收性物品，其中，所述颗粒状吸水性组合物几乎不引起其他材料的着色，并且还高 并且在组合成吸收性物品的情况下，可以对尿布等吸收性物品提供优异的除臭性和优异的吸收性。 作为实现该目的的手段，本发明的颗粒状吸水性组合物的特征在于，含有植物粉末和吸水性树脂，其中吸水性树脂的表面部分和/或其附近为表面 用交联剂处理，其中颗粒状吸水组合物表现出不低于180的恶臭除臭指数，其中恶臭除臭指数由下列等式表示：恶臭除臭指数= 1.1硫化氢 去除率+ 2.0×甲硫醇去除率+0.3×去除率。