专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US08648161B2 Polyacrylic acid (salt) -based water-absorbent resin and a method for producing it 有权
标题翻译：聚丙烯酸（盐）系吸水性树脂及其制造方法
公开(公告)号：US08648161B2
公开(公告)日：2014-02-11
申请号：US13148356
申请日：2010-02-08
申请人： Shinichi Fujino , Eri Nagasawa , Satoshi Matsumoto , Kunihiko Ishizaki
发明人： Shinichi Fujino , Eri Nagasawa , Satoshi Matsumoto , Kunihiko Ishizaki
IPC分类号： C08F220/06 , C08F118/02 , C08F4/44 , C08F4/06 , C08F120/02
CPC分类号： C08F2/44 , C08F220/06
摘要： The purpose of the present invention is to improve the water absorption of a water-absorbent resin without sacrificing the productivity, production cost, safety, and so on. Provided is a sustainable and renewable water-absorbent resin with excellent whiteness, which is suitable for mass consumption as disposal diapers or the like, and which can dispense with excessive purification of raw material acrylic acid. Also provided is a process for the production of a water-absorbent resin, which comprises: a step of preparing acrylic monomers; a step of polymerizing the monomers; and a step of drying the obtained aqueous gel, wherein the monomers at the time of polymerization contain at least 400 ppm of propionic acid.
摘要翻译：本发明的目的是提高吸水性树脂的吸水率，而不牺牲生产率，生产成本，安全性等。提供了一种可持续且可再生的吸水性树脂，其具有优异的白度，适用于作为处理尿布等的大量消费，并且可以省去原料丙烯酸的过度净化。还提供了一种制备吸水性树脂的方法，其包括：制备丙烯酸单体的步骤; 聚合单体的步骤; 以及干燥所得水凝胶的步骤，其中聚合时的单体含有至少400ppm的丙酸。

2. 发明申请

US20110306732A1 POLYACRYLIC ACID (SALT) -BASED WATER-ABSORBENT RESIN AND A METHOD FOR PRODUCING IT 有权
标题翻译：聚氨酯酸（盐） - 吸水树脂及其生产方法
公开(公告)号：US20110306732A1
公开(公告)日：2011-12-15
申请号：US13148356
申请日：2010-02-08
申请人： Shinichi Fujino , Eri Nagasawa , Satoshi Matsumoto , Kunihiko Ishizaki
发明人： Shinichi Fujino , Eri Nagasawa , Satoshi Matsumoto , Kunihiko Ishizaki
IPC分类号： C08F8/00 , C08F30/04
CPC分类号： C08F2/44 , C08F220/06
摘要： The purpose of the present invention is to improve the water absorption of a water-absorbent resin without sacrificing the productivity, production cost, safety, and so on. Provided is a sustainable and renewable water-absorbent resin with excellent whiteness, which is suitable for mass consumption as disposal diapers or the like, and which can dispense with excessive purification of raw material acrylic acid. Also provided is a process for the production of a water-absorbent resin, which comprises: a step of preparing acrylic monomers; a step of polymerizing the monomers; and a step of drying the obtained aqueous gel, wherein the monomers at the time of polymerization contain at least 400 ppm of propionic acid.
摘要翻译：本发明的目的是提高吸水性树脂的吸水率，而不牺牲生产率，生产成本，安全性等。提供了一种可持续且可再生的吸水性树脂，其具有优异的白度，适用于作为处理尿布等的大量消费，并且可以省去原料丙烯酸的过度净化。还提供了一种制备吸水性树脂的方法，其包括：制备丙烯酸单体的步骤; 聚合单体的步骤; 以及干燥所得水凝胶的步骤，其中聚合时的单体含有至少400ppm的丙酸。

3. 发明申请

US20110034603A1 Polyacrylic acid (salt)-based water-absorbent resin and method for producing same 审中-公开
标题翻译：聚丙烯酸（盐）系吸水性树脂及其制造方法
公开(公告)号：US20110034603A1
公开(公告)日：2011-02-10
申请号：US12936823
申请日：2009-04-24
申请人： Shinichi Fujino , Eri Nagasawa , Kunihiko Ishizaki , Hiroto Kasuga
发明人： Shinichi Fujino , Eri Nagasawa , Kunihiko Ishizaki , Hiroto Kasuga
IPC分类号： C08L33/02 , C08F220/06 , C08K5/09
CPC分类号： C08F6/008 , A61F2013/530481 , A61L15/22 , A61L15/60 , C08F6/10 , C08F220/06 , C08J3/126 , C08J3/128 , C08J3/245 , C08J2333/02 , C08L33/02
摘要： In order to realize, while preventing gelatification of a monomer not yet to be polymerized, a water-absorbent resin which is more stable in color over time and has a significant enhancement in a problem concerning surface color and an excellent absorption property, a method for producing a polyacrylic acid-based water-absorbent resin includes: a preparation step in which a monomer is prepared from acrylic acid including hydroxyacetone in an amount not larger than 300 mass ppm; a polymerization step in which the monomer is polymerized so that a hydrogel is obtained; and a drying step in which the hydrogel is dried. Also, a method of the present invention for producing polyacrylic acid-based water-absorbent resin includes: a preparation step in which a monomer is prepared from acrylic acid; a polymerization step in which the monomer is polymerized in presence of phenol so that a hydrogel is obtained; and a drying step in which the hydrogel is dried.
摘要翻译：为了在防止尚未聚合的单体的凝胶化的同时，实现随着时间的推移，颜色更稳定并且显着提高了表面颜色和吸收性优异的问题的吸水性树脂，制备聚丙烯酸类吸水性树脂包括：制备步骤，其中单体由不大于300质量ppm的羟基丙酮的丙烯酸制备; 聚合步骤，其中单体聚合以获得水凝胶; 和干燥步骤，其中水凝胶被干燥。此外，本发明的聚丙烯酸类吸水性树脂的制造方法还包括：由丙烯酸制备单体的制备工序; 聚合步骤，其中单体在苯酚存在下聚合以获得水凝胶; 和干燥步骤，其中水凝胶被干燥。

4. 发明申请

US20140114035A1 METHOD AND APPARATUS FOR PRODUCING POLYACRYLIC ACID (SALT)-BASED WATER ABSORBENT RESIN 有权
标题翻译：生产聚丙烯酸（盐） - 水吸收树脂的方法和装置
公开(公告)号：US20140114035A1
公开(公告)日：2014-04-24
申请号：US14112774
申请日：2012-04-20
申请人： Kozo Nogi , Syuji Kanzaki , Kunihiko Ishizaki , Shinichi Fujino , Satoshi Matsumoto
发明人： Kozo Nogi , Syuji Kanzaki , Kunihiko Ishizaki , Shinichi Fujino , Satoshi Matsumoto
IPC分类号： C08F2/18
CPC分类号： C08F2/18 , C08F220/06 , C08J3/12 , C08J2333/02
摘要： The purpose of the present invention is to provide a method for producing a water absorbent resin in which a water absorbent resin having excellent properties can be obtained effectively. The present invention relates to a method for producing a polyacrylic acid (salt)-based water absorbent resin, which includes a polymerization step of polymerizing an aqueous monomer solution containing a polymerization inhibitor, acrylic acid (salt) and an internal cross-linking agent to produce a water-containing gel-like cross-linked polymer, a gel-crushing step of performing the gel-crushing of the water-containing gel-like cross-linked polymer simultaneously with or subsequent to the polymerization to produce a particulate water-containing gel-like cross-linked polymer, and a drying step of supplying the particulate water-containing gel-like cross-linked polymer to a continuous through-flow belt-type dryer by a traverse conveyor to dry the particulate water-containing gel-like cross-linked polymer, in which the belt temperature of the traverse conveyor is 40 to 120° C. and/or the water soluble component in the particulate water-containing gel-like cross-linked polymer on the traverse conveyor is 10% by weight or less and the water soluble component is increased after the drying step.
摘要翻译：本发明的目的是提供一种可以有效获得具有优异性能的吸水性树脂的吸水性树脂的制造方法。本发明涉及一种聚丙烯酸（盐）系吸水性树脂的制造方法，其包括将含有聚合抑制剂，丙烯酸（盐）和内部交联剂的单体水溶液聚合的聚合工序，产生含水凝胶状交联聚合物，在聚合反应或聚合后同时进行凝胶状破碎的凝胶状破碎工序，制成含水凝胶状交联聚合物凝胶状交联聚合物，以及通过横动输送机将含粒状含水凝胶状交联聚合物供给到连续流通带式干燥机的干燥工序，干燥含水凝胶状的颗粒状凝胶状横向传送带的带温度为40〜120℃的交联聚合物和/或该混合物中的颗粒状含水凝胶状交联聚合物中的水溶性成分惰性输送机为10重量％以下，干燥后水溶性成分增加。

5. 发明授权

US09580519B2 Method and apparatus for producing polyacrylic acid (salt)-based water absorbent resin 有权
标题翻译：用于生产聚丙烯酸（盐）的吸水树脂的方法和设备
公开(公告)号：US09580519B2
公开(公告)日：2017-02-28
申请号：US14112774
申请日：2012-04-20
申请人： Kozo Nogi , Syuji Kanzaki , Kunihiko Ishizaki , Shinichi Fujino , Satoshi Matsumoto
发明人： Kozo Nogi , Syuji Kanzaki , Kunihiko Ishizaki , Shinichi Fujino , Satoshi Matsumoto
IPC分类号： H01B1/00 , C08F2/18 , C08F220/06 , C08J99/00 , C08J3/12
CPC分类号： C08F2/18 , C08F220/06 , C08J3/12 , C08J2333/02
摘要： The purpose of the present invention is to provide a method for producing a water absorbent resin in which a water absorbent resin having excellent properties can be obtained effectively. The present invention relates to a method for producing a polyacrylic acid (salt)-based water absorbent resin, which includes a polymerization step of polymerizing an aqueous monomer solution containing a polymerization inhibitor, acrylic acid (salt) and an internal cross-linking agent to produce a water-containing gel-like cross-linked polymer, a gel-crushing step of performing the gel-crushing of the water-containing gel-like cross-linked polymer simultaneously with or subsequent to the polymerization to produce a particulate water-containing gel-like cross-linked polymer, and a drying step of supplying the particulate water-containing gel-like cross-linked polymer to a continuous through-flow belt-type dryer by a traverse conveyor to dry the particulate water-containing gel-like cross-linked polymer, in which the belt temperature of the traverse conveyor is 40 to 120° C. and/or the water soluble component in the particulate water-containing gel-like cross-linked polymer on the traverse conveyor is 10% by weight or less and the water soluble component is increased after the drying step.
摘要翻译：本发明的目的是提供一种可以有效获得具有优异性能的吸水性树脂的吸水性树脂的制造方法。本发明涉及一种聚丙烯酸（盐）系吸水性树脂的制造方法，其包括将含有聚合抑制剂，丙烯酸（盐）和内部交联剂的单体水溶液聚合的聚合工序，产生含水凝胶状交联聚合物，在聚合反应或聚合后同时进行凝胶状破碎的凝胶状破碎工序，制成含水凝胶状交联聚合物凝胶状交联聚合物，以及通过横动输送机将含粒状含水凝胶状交联聚合物供给到连续流通带式干燥机的干燥工序，干燥含水凝胶状的颗粒状凝胶状横向传送带的带温度为40〜120℃的交联聚合物和/或该混合物中的颗粒状含水凝胶状交联聚合物中的水溶性成分惰性输送机为10重量％以下，干燥后水溶性成分增加。

6. 发明授权

US09518133B2 Hydrophilic polyacrylic acid (salt) resin and manufacturing method thereof 有权
标题翻译：亲水性聚丙烯酸（盐）树脂及其制造方法
公开(公告)号：US09518133B2
公开(公告)日：2016-12-13
申请号：US13148359
申请日：2010-02-08
申请人： Shinichi Fujino , Satoshi Matsumoto , Kunihiko Ishizaki
发明人： Shinichi Fujino , Satoshi Matsumoto , Kunihiko Ishizaki
IPC分类号： C08F20/02 , C08F20/06 , C08F2/44 , C08F220/06
CPC分类号： C08F2/44 , C08F220/06
摘要： The physical properties of a water-absorbing resin with low residual monomer content are improved or stabilized, without sacrifices in productivity, production cost, stability, etc. Provided is a water-absorbing resin with low residual monomer content and excellent whiteness, wherein a water-absorbing resin consumed in large quantities in disposable diapers, etc., is preferably a sustainable and renewable water-absorbing resin that does not require excessive purification of the acrylic acid, particularly acrylic acids derived from non-fossil sources, that is the starting material of the water-absorbing resin. Disclosed is a method of manufacturing a hydrophilic polyacrylic acid (salt) resin, which is a method of manufacturing a water-absorbing polyacrylic acid resin that comprises a step in which a monomer is prepared from acrylic acid, a step in which said monomer is polymerized, and a step in which the resulting hydrous gel is dried. The polymerization is performed such that the content of hydroxypropionic acid (salt) in the monomer is 2000 ppm or less and/or the content of saturated organic carboxylic acid in the monomer is 2% by mass or less, and at least a portion of the saturated organic carboxylic acid is volatilized during and after the drying step.
摘要翻译：具有低残留单体含量的吸水树脂的物理性能得到改善或稳定化，而不牺牲生产率，生产成本，稳定性等。提供了具有低残留单体含量和优异白度的吸水树脂，其中水在一次性尿布等中大量消耗的吸收树脂优选是可持续且可再生的吸水树脂，其不需要过度纯化丙烯酸，特别是源自非化石源的丙烯酸，即起始材料的吸水树脂。公开了一种制造亲水性聚丙烯酸（盐）树脂的方法，其是制备吸水性聚丙烯酸树脂的方法，其包括其中单体由丙烯酸制备的步骤，所述单体聚合的步骤，以及将所得含水凝胶干燥的步骤。进行聚合，使得单体中羟基丙酸（盐）的含量为2000ppm以下，和/或单体中的饱和有机羧酸的含量为2质量％以下，至少一部分饱和有机羧酸在干燥步骤期间和之后挥发。

7. 发明申请

US20120010372A1 HYDROPHILIC POLYACRYLIC ACID (SALT) RESIN AND MANUFACTURING METHOD THEREOF 有权
标题翻译：水解聚丙烯酸（盐）树脂及其制造方法
公开(公告)号：US20120010372A1
公开(公告)日：2012-01-12
申请号：US13148359
申请日：2010-02-08
申请人： Shinichi Fujino , Satoshi Matsumoto , Kunihiko Ishizaki
发明人： Shinichi Fujino , Satoshi Matsumoto , Kunihiko Ishizaki
IPC分类号： C08F20/06 , C08F8/14 , C08F2/10
CPC分类号： C08F2/44 , C08F220/06
摘要： The physical properties of a water-absorbing resin with low residual monomer content are improved or stabilized, without sacrifices in productivity, production cost, stability, etc. Provided is a water-absorbing resin with low residual monomer content and excellent whiteness, wherein a water-absorbing resin consumed in large quantities in disposable diapers, etc., is preferably a sustainable and renewable water-absorbing resin that does not require excessive purification of the acrylic acid, particularly acrylic acids derived from non-fossil sources, that is the starting material of the water-absorbing resin. Disclosed is a method of manufacturing a hydrophilic polyacrylic acid (salt) resin, which is a method of manufacturing a water-absorbing polyacrylic acid resin that comprises a step in which a monomer is prepared from acrylic acid, a step in which said monomer is polymerized, and a step in which the resulting hydrous gel is dried. The polymerization is performed such that the content of hydroxypropionic acid (salt) in the monomer is 2000 ppm or less and/or the content of saturated organic carboxylic acid in the monomer is 2% by mass or less, and at least a portion of the saturated organic carboxylic acid is volatilized during and after the drying step.
摘要翻译：具有低残留单体含量的吸水树脂的物理性能得到改善或稳定化，而不牺牲生产率，生产成本，稳定性等。提供了具有低残留单体含量和优异白度的吸水树脂，其中水在一次性尿布等中大量消耗的吸收树脂优选是可持续且可再生的吸水树脂，其不需要过度纯化丙烯酸，特别是源自非化石源的丙烯酸，即起始材料的吸水树脂。公开了一种制造亲水性聚丙烯酸（盐）树脂的方法，其是制备吸水性聚丙烯酸树脂的方法，其包括其中单体由丙烯酸制备的步骤，所述单体聚合的步骤，以及将所得含水凝胶干燥的步骤。进行聚合，使得单体中羟基丙酸（盐）的含量为2000ppm以下，和/或单体中的饱和有机羧酸的含量为2质量％以下，至少一部分饱和有机羧酸在干燥步骤期间和之后挥发。

8. 发明授权

US08802800B2 Production method for water-absorbent resin 有权
标题翻译：吸水树脂的生产方法
公开(公告)号：US08802800B2
公开(公告)日：2014-08-12
申请号：US13392698
申请日：2010-08-30
申请人： Shinichi Fujino , Kozo Nogi , Kunihiko Ishizaki
发明人： Shinichi Fujino , Kozo Nogi , Kunihiko Ishizaki
IPC分类号： C08F2/00 , C08F20/06
CPC分类号： C08J3/12 , C08J3/245 , C08J2300/14 , C08J2333/02
摘要： A production method for a water-absorbent resin, comprising a polymerization step for obtaining hydrogel by subjecting a monomer aqueous solution to a polymerization reaction, and a drying step for drying the hydrogel, wherein drying in the drying step is performed using a continuous through-flow belt-type drying machine, the pore opening rate of the through-flow belt in the continuous through-flow belt-type drying machine is 20 to 50%, the solid content of the hydrogel supplied to the drying step is 35% by weight or more, and the area occupancy rate of the hydrogel is 85 to 100% relative to the through-flow belt.
摘要翻译：一种吸水性树脂的制造方法，其特征在于，包括通过使单体水溶液进行聚合反应而得到水凝胶的聚合工序和干燥水凝胶的干燥工序，干燥工序中的干燥是使用连续通孔流式带式干燥机，连续通流式带式干燥机中通流带的开孔率为20〜50％，供给干燥工序的水凝胶的固体成分为35重量％以上，相对于贯流带，水凝胶的面积占有率为85〜100％。

9. 发明申请

US20130123435A1 METHOD OF PRODUCING ABSORBENT RESIN 有权
标题翻译：生产吸收树脂的方法
公开(公告)号：US20130123435A1
公开(公告)日：2013-05-16
申请号：US13635045
申请日：2011-03-17
申请人： Sumio Okuda , Syuji Kanzaki , Kunihiko Ishizaki , Shinichi Fujino , Kozo Nogi
发明人： Sumio Okuda , Syuji Kanzaki , Kunihiko Ishizaki , Shinichi Fujino , Kozo Nogi
IPC分类号： C08J3/24
CPC分类号： C08F120/06 , B07B1/28 , B07B1/54 , B07B1/56 , B07B13/16 , C08F6/008 , C08F220/06 , C08J3/24 , C08J3/245 , C08J2300/14 , G01N15/0272 , G01N2015/0277 , G01N2015/0288
摘要： Provided is a method which does not require alteration of the raw materials or high capital investment, and improves and stabilizes the physical property (for example, liquid permeability) of a water absorbent resin by means of a simple technique. A method for producing a water absorbent resin is disclosed, which method includes a polymerization step of polymerizing an aqueous solution of acrylic acid (salt) to obtain a water-containing gel-like crosslinked polymer; a drying step of drying the water-containing gel-like crosslinked polymer to obtain a water absorbent resin powder; a classification step of classifying the water absorbent resin powder; and a surface crosslinking step of surface crosslinking the water absorbent resin powder, wherein in the classification steps that are carried before the surface crosslinking step and/or after the surface crosslinking step, the stretch tension (tension) of the metal sieve mesh used in the classification step is from 35 [N/cm] to 100 [N/cm].
摘要翻译：提供了不需要改变原材料或高资本投资的方法，并且通过简单的技术提高和稳定吸水性树脂的物理性能（例如，透液性）。公开了一种吸水性树脂的制造方法，该方法包括聚合丙烯酸（盐）水溶液以获得含水凝胶状交联聚合物的聚合步骤; 干燥步骤，干燥含水凝胶状交联聚合物以获得吸水性树脂粉末; 吸水性树脂粉末的分类步骤; 和表面交联吸水性树脂粉末的表面交联步骤，其中在表面交联步骤之前和/或表面交联步骤之后承载的分级步骤中，所用的金属筛网的拉伸张力（张力）分级步骤为35 [N / cm]至100 [N / cm]。

10. 发明申请

US20120157648A1 PRODUCTION METHOD FOR WATER-ABSORBENT RESIN 有权
标题翻译：吸水树脂的生产方法
公开(公告)号：US20120157648A1
公开(公告)日：2012-06-21
申请号：US13392909
申请日：2010-08-30
申请人： Koji Matsumoto , Kozo Nogi , Shinichi Fujino , Yorimichi Dairoku , Kunihiko Ishizaki
发明人： Koji Matsumoto , Kozo Nogi , Shinichi Fujino , Yorimichi Dairoku , Kunihiko Ishizaki
IPC分类号： C08F220/06
CPC分类号： C08J3/12 , C08J3/245 , C08J2300/14 , C08J2333/02
摘要： [PROBLEM]It is an object of the present invention to efficiently obtain efficiently a water-absorbent resin having excellent property.[SOLUTION]A production method for a water-absorbent resin, comprising: a polymerization step for obtaining hydrogel by subjecting a monomer aqueous solution to a polymerization reaction; and a drying step for drying the hydrogel; wherein drying in the drying step is performed using a continuous through-flow belt-type drying machine; solid content of the hydrogel supplied to the drying step is 35% by weight or more, and thickness variation rate (1) represented by the following EXPRESSION 1 of the hydrogel loaded onto through-flow belt in the continuous through-flow belt, is 1.05 to 5: [MATH. 1] Thickness variation rate (1)=(Maximum thickness of hydrogel in a width direction of the through-flow belt)/(Average thickness of hydrogel in a width direction of the through-flow belt). [EXPRESSION 1]
摘要翻译：本发明的目的在于有效地获得具有优异性能的吸水性树脂。 [解决方案]一种吸水性树脂的制备方法，包括：通过使单体水溶液进行聚合反应获得水凝胶的聚合步骤; 和干燥步骤，用于干燥水凝胶; 其中干燥步骤中的干燥是使用连续的通流式带式干燥机进行的; 提供给干燥步骤的水凝胶的固体含量为35重量％以上，并且由连续贯流带中的贯流带上的水凝胶的以下表达式1表示的厚度变化率（1）为1.05 到5：[MATH。 1]厚度变化率（1）=（贯穿流动带的宽度方向的水凝胶的最大厚度）/（贯通带的宽度方向的水凝胶的平均厚度）。 [表达1]

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式