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1. 发明授权

US10294315B2 Polyacrylic acid (salt)-based water absorbent resin and method for producing same 有权
公开(公告)号：US10294315B2
公开(公告)日：2019-05-21
申请号：US13499037
申请日：2010-09-30
申请人： Satoshi Matsumoto , Kunihiko Ishizaki , Kazushi Torii , Shin-ichi Fujino , Kazuhiko Sakamoto
发明人： Satoshi Matsumoto , Kunihiko Ishizaki , Kazushi Torii , Shin-ichi Fujino , Kazuhiko Sakamoto
IPC分类号： C08F20/00 , C08F20/06 , C08J3/24
摘要： A method for producing a polyacrylic acid (salt)-based water absorbent resin, sequentially including the steps of: storing or producing acrylic acid; mixing acrylic acid containing a polymerization inhibitor with water, a crosslinking agent, and optionally, a basic composition, and/or neutralizing them, to prepare an aqueous monomer solution; polymerizing the aqueous monomer solution; drying an obtained water-containing gel-like crosslinked polymer; and optionally carrying out surface crosslinking, wherein the acrylic acid containing the polymerization inhibitor has a water content of not higher than 1,000 ppm (by mass; the same applies hereinafter), and/or the aqueous monomer solution has a formic acid content of 1 to 700 ppm, relative to the monomer.

2. 发明申请

US20120189861A1 POLYACRYLIC ACID (SALT)-BASED WATER ABSORBENT RESIN AND METHOD FOR PRODUCING SAME 审中-公开
标题翻译：聚氨酯酸（盐） - 水吸收树脂及其生产方法
公开(公告)号：US20120189861A1
公开(公告)日：2012-07-26
申请号：US13499037
申请日：2010-09-30
申请人： Satoshi Matsumoto , Kunihiko Ishizaki , Kazushi Torii , Shin-ichi Fujino , Kazuhiko Sakamoto
发明人： Satoshi Matsumoto , Kunihiko Ishizaki , Kazushi Torii , Shin-ichi Fujino , Kazuhiko Sakamoto
IPC分类号： B32B27/08 , C07C57/04 , C08L33/02
CPC分类号： C08F20/06 , B01J2219/00006 , C08J3/245 , C08J2333/02 , Y10T428/31859
摘要： A method for producing a polyacrylic acid (salt)-based water absorbent resin, sequentially including the steps of: storing or producing acrylic acid; mixing acrylic acid containing a polymerization inhibitor with water, a crosslinking agent, and optionally, a basic composition, and/or neutralizing them, to prepare an aqueous monomer solution; polymerizing the aqueous monomer solution; drying an obtained water-containing gel-like crosslinked polymer; and optionally carrying out surface crosslinking, wherein the acrylic acid containing the polymerization inhibitor has a water content of not higher than 1,000 ppm (by mass; the same applies hereinafter), and/or the aqueous monomer solution has a formic acid content of 1 to 700 ppm, relative to the monomer.
摘要翻译：一种聚丙烯酸（盐）系吸水性树脂的制造方法，其顺序包括以下步骤：储存或制造丙烯酸; 将含有聚合抑制剂的丙烯酸与水混合，交联剂和任选的碱性组合物，和/或中和它们以制备单体水溶液; 聚合单体水溶液; 干燥得到的含水凝胶状交联聚合物; 并且可选地进行表面交联，其中含有聚合抑制剂的丙烯酸的含水量不高于1000ppm（以质量计），和/或单体水溶液的甲酸含量为1〜 700ppm，相对于单体。

3. 发明授权

US09187579B2 Particle-shaped water absorbing agent and method for producing the same 有权
标题翻译：颗粒状吸水剂及其制造方法
公开(公告)号：US09187579B2
公开(公告)日：2015-11-17
申请号：US12524989
申请日：2008-02-04
申请人： Hiroyuki Ikeuchi , Hirotama Fujimaru , Makoto Nagasawa , Kazuhiko Sakamoto , Shigeru Sakamoto , Kazushi Torii , Ryoko Tahara
发明人： Hiroyuki Ikeuchi , Hirotama Fujimaru , Makoto Nagasawa , Kazuhiko Sakamoto , Shigeru Sakamoto , Kazushi Torii , Ryoko Tahara
IPC分类号： B01J20/22 , B01J20/26 , C08F20/06 , C08F2/44 , C08F220/06 , C08L33/02 , A61F13/53 , C08F222/10 , C08K5/00 , C08L71/02
CPC分类号： C08F2/44 , A61F2013/530583 , C08F220/06 , C08F222/1006 , C08K5/0008 , C08L33/02 , C08L71/02 , Y10T428/2982 , C08L2666/22
摘要： An object of the present invention is to provide a particle-shaped water absorbing agent having a remarkably improved surface color and excellent water-absorbing properties (better water absorption capacity, and lower water soluble content and residual monomer content) at the same time. In order to attain the object, a particle-shaped water absorbing agent according to the present invention is a particle-shaped water absorbing agent whose main component is a polyacrylic acid and/or a salt thereof, the particle-shaped water absorbing agent having a surface color of Hunter b value in a range of −5 to 10, and having a cross-linking absorption property index (CPI) in a range of 1 to 100, the CPI defined by the following two equations: GEX=(GVs+17)/Ln (water soluble content); Equation 1: CPI=(GEX/residual monomer content)×100 Equation 3: where GVs is gel volume in saline, Ln (water soluble content) is a logarithm natural of water soluble content.
摘要翻译：本发明的目的是提供一种具有显着改善的表面颜色和优异的吸水性（更好的吸水能力，更低的水溶性含量和残留的单体含量）的颗粒状吸水剂。为了达到上述目的，本发明的颗粒状吸水剂是主要成分为聚丙烯酸和/或其盐的颗粒状吸水剂，该颗粒状吸水剂具有 Hunter b值的表面颜色在-5至10的范围内，并且交联吸收特性指数（CPI）在1至100的范围内，由以下两个等式定义的CPI：GEX =（GVs + 17 ）/ Ln（水溶性成分）; 方程1：CPI =（GEX /残留单体含量）×100等式3：其中GV是盐水中的凝胶体积，Ln（水溶性含量）是水溶性含量的对数自然。

4. 发明申请

US20100009846A1 PARTICLE-SHAPED WATER ABSORBING AGENT AND METHOD FOR PRODUCING THE SAME 有权
标题翻译：颗粒形吸水剂及其制造方法
公开(公告)号：US20100009846A1
公开(公告)日：2010-01-14
申请号：US12524989
申请日：2008-02-04
申请人： Hiroyuki Ikeuchi , Hirotama Fujimaru , Makoto Nagasawa , Kazuhiko Sakamoto , Shigeru Sakamoto , Kazushi Torii , Ryoko Tahara
发明人： Hiroyuki Ikeuchi , Hirotama Fujimaru , Makoto Nagasawa , Kazuhiko Sakamoto , Shigeru Sakamoto , Kazushi Torii , Ryoko Tahara
IPC分类号： B01J20/26 , C08F20/06 , B32B5/16
CPC分类号： C08F2/44 , A61F2013/530583 , C08F220/06 , C08F222/1006 , C08K5/0008 , C08L33/02 , C08L71/02 , Y10T428/2982 , C08L2666/22
摘要： An object of the present invention is to provide a particle-shaped water absorbing agent having a remarkably improved surface color and excellent water-absorbing properties (better water absorption capacity, and lower water soluble content and residual monomer content) at the same time. In order to attain the object, a particle-shaped water absorbing agent according to the present invention is a particle-shaped water absorbing agent whose main component is a polyacrylic acid and/or a salt thereof, the particle-shaped water absorbing agent having a surface color of Hunter b value in a range of −5 to 10, and having a cross-linking absorption property index (CPI) in a range of 1 to 100, the CPI defined by the following two equations: GEX=(GVs+17)/Ln (water soluble content) Equation 1; CPI=(GEX/residual monomer content)×100 Equation 3 where GVs is gel volume in saline, Ln (water soluble content) is a logarithm natural of water soluble content.
摘要翻译：本发明的目的是提供一种具有显着改善的表面颜色和优异的吸水性（更好的吸水能力，更低的水溶性含量和残留的单体含量）的颗粒状吸水剂。为了达到上述目的，本发明的颗粒状吸水剂是主要成分为聚丙烯酸和/或其盐的颗粒状吸水剂，该颗粒状吸水剂具有 Hunter b值的表面颜色在-5至10的范围内，并且交联吸收特性指数（CPI）在1至100的范围内，由以下两个等式定义的CPI：GEX =（GVs + 17 ）/ Ln（水溶性含量）等式1; CPI =（GEX /残留单体含量）×100等式3其中GV是盐水中的凝胶体积，Ln（水溶性含量）是水溶性含量的对数自然。

5. 发明授权

US07049366B2 Acrylic acid composition and its production process, and process for producing water-absorbent resin using this acrylic acid composition, and water-absorbent resin 有权
标题翻译：丙烯酸组合物及其制造方法以及使用该丙烯酸组合物的吸水性树脂的制造方法以及吸水性树脂
公开(公告)号：US07049366B2
公开(公告)日：2006-05-23
申请号：US10472039
申请日：2002-12-17
申请人： Sei Nakahara , Kunihiko Ishizaki , Hirotama Fujimaru , Yasuhisa Nakashima , Kazuhiko Sakamoto
发明人： Sei Nakahara , Kunihiko Ishizaki , Hirotama Fujimaru , Yasuhisa Nakashima , Kazuhiko Sakamoto
IPC分类号： C08F120/06
CPC分类号： C08F20/06 , A61L15/60 , C08L33/02
摘要： In order to produce inexpensively with high productivity a water-absorbent resin of which: the residual monomer content and the water-extractable content are both low, and the properties are high, and the colorability is low; there is provided a process for producing a water-absorbent resin, which is a process for producing a crosslinked water-absorbent resin by polymerizing a monomer component including acrylic acid and/or its salt in a major proportion wherein the acrylic acid is a product obtained by catalytic gas phase oxidation of propylene and/or propane, with the process being characterized by comprising the steps of: preparing the monomer component from an acrylic acid composition that includes the unneutralized acrylic acid and a methoxyphenol and has a methoxyphenol content of 10 to 160 ppm by weight (based on the unneutralized acrylic acid); and then carrying out radical and/or ultraviolet polymerization of the resultant monomer component.
摘要翻译：为了低成本地生产低成本的吸水性树脂，其中残留单体含量和可萃取水分均低，性能高，着色性低; 提供了一种生产吸水性树脂的方法，该方法是通过使包含丙烯酸和/或其主要成分的丙烯酸和/或其盐的单体组分聚合来制备交联吸水性树脂的方法，其中丙烯酸是获得的产物通过丙烯和/或丙烷的催化气相氧化，该方法的特征在于包括以下步骤：由包括未中和丙烯酸和甲氧基苯酚的丙烯酸组合物制备单体组分，并且具有10至160的甲氧基苯酚含量重量ppm（基于未中和丙烯酸）; 然后进行所得单体组分的自由基和/或紫外聚合。

6. 发明授权

US08846977B2 Crystallization unit for acrylic acid and method for crystallization of acrylic acid using the same 有权
标题翻译：用于丙烯酸的结晶单元和使用其的丙烯酸结晶方法
公开(公告)号：US08846977B2
公开(公告)日：2014-09-30
申请号：US13322967
申请日：2010-06-24
申请人： Kazuhiko Sakamoto , Koji Ueno , Yoshitake Ishii , Masatsugu Kitaura
发明人： Kazuhiko Sakamoto , Koji Ueno , Yoshitake Ishii , Masatsugu Kitaura
IPC分类号： C07C51/42 , C07C51/43 , B01D9/00
CPC分类号： B01D9/0013 , B01D9/004 , B01D9/0045 , C07C51/43 , C07C57/04
摘要： PROBLEMAn object of the present invention is to provide a crystallization unit capable of producing a purified acrylic acid having high purity efficiently.SOLUTIONThe present invention provides a crystallization unit to separate an acrylic acid-containing solution into a mother liquid and a purified acrylic acid, wherein the crystallization unit comprises a crystallizer having an exit to take out the mother liquid and the purified acrylic acid alternately; a supply line to supply the acrylic acid-containing solution to the crystallizer; and a recovery line to recover the mother liquid and the purified acrylic acid alternately from the crystallizer which is connected to the exit, and wherein the recovery line is equipped with an opening and closing unit consisting of a ball valve or a gate valve.
摘要翻译：发明内容本发明的目的是提供一种能够有效地制备纯度高的纯化丙烯酸的结晶单元。解决方案本发明提供一种结晶单元，用于将含丙烯酸的溶液分离成母液和纯化丙烯酸，其中结晶单元包括具有出口以交替地取出母液和纯化丙烯酸的结晶器; 用于向结晶器供应含丙烯酸的溶液的供应管线; 以及从与出口连接的结晶器交替地回收母液和纯化丙烯酸的回收管线，其中回收管线配备有由球阀或闸阀构成的开闭单元。

7. 发明授权

US08278481B2 Method for producing (meth)acrylic acid 有权
标题翻译：（甲基）丙烯酸的制造方法
公开(公告)号：US08278481B2
公开(公告)日：2012-10-02
申请号：US12451701
申请日：2008-05-15
申请人： Kazuhiko Sakamoto , Naoki Serata , Toyofumi Sakai
发明人： Kazuhiko Sakamoto , Naoki Serata , Toyofumi Sakai
IPC分类号： C07C57/02
CPC分类号： C07C51/252 , C07C51/412 , C07C51/50 , C07C57/04 , C07C53/10
摘要： The present invention provides a method for effectively preventing the precipitation related to manganese acetate in the pipe for sending a polymerization inhibitor and the like, and the polymerization of (meth)acrylic acid. A first method of the present invention for producing (meth)acrylic acid, characterized in comprising steps of: producing a (meth)acrylic acid-containing gas by catalytic vapor phase oxidation reaction; and obtaining a (meth)acrylic acid-containing fluid by providing the (meth)acrylic acid-containing gas into a condensation column or an absorption column; wherein manganese acetate is used as a polymerization inhibitor; manganese acetate is dissolved into a (meth)acrylic acid aqueous solution containing not more than 10% by mass of (meth)acrylic acid, and the like, to obtain a manganese acetate aqueous solution; and the manganese acetate aqueous solution is provided into the condensation column or the absorption column.
摘要翻译：本发明提供了一种用于有效地防止用于发送阻聚剂等的管中的醋酸锰沉淀和（甲基）丙烯酸聚合的方法。本发明的制备（甲基）丙烯酸的第一种方法，其特征在于包括以下步骤：通过催化气相氧化反应制备（甲基）丙烯酸的气体; 并通过将（甲基）丙烯酸的气体提供到缩合塔或吸收塔中来获得含（甲基）丙烯酸的流体; 其中使用乙酸锰作为阻聚剂; 将乙酸锰溶解于含有不超过10质量％的（甲基）丙烯酸等的（甲基）丙烯酸水溶液中，得到乙酸锰水溶液; 并且将乙酸锰水溶液提供到缩合塔或吸收塔中。

8. 发明申请

US20060274887A1 X-ray high voltage device 失效
标题翻译： X射线高压装置
公开(公告)号：US20060274887A1
公开(公告)日：2006-12-07
申请号：US10557899
申请日：2004-05-24
申请人： Kazuhiko Sakamoto , Hiroshi Takano
发明人： Kazuhiko Sakamoto , Hiroshi Takano
IPC分类号： H05G1/12
CPC分类号： H05G1/12
摘要： A semiconductor switch 12 connected in series with a smoothing capacitor 12 is constituted by connecting in parallel a diode 13D which permits to flow current regenerated from energy of electric charges stored in a high voltage capacitor 17 to a primary side of a high voltage transformer 15 for the smoothing capacitor 12 and switching means 13S which interrupts an output from the smoothing capacitor 12, and after turning off the switching means 13S, through alternative on and off control of switching means 161S˜164S the energy of electric charges stored in the high voltage capacitor 17 is regenerated to the smoothing capacitor 12 by making use of parasitic leakage inductance 15L. As a result, an X-ray high voltage device is provided which permits to drop a wave tail of a tube voltage in a high speed without complexing the structure of the high voltage part thereof.
摘要翻译：与平滑电容器12串联连接的半导体开关12通过并联连接二极管13构成，该二极管13D允许将存储在高压电容器17中的电荷的能量再生的电流流向高压变压器15的初级侧对于平滑电容器12和中断来自平滑电容器12的输出的切换装置13S，以及在切换装置13S之后，通过开关装置161S〜164S的可选择的接通和关断控制，存储电荷的能量通过利用寄生漏电感15L将高电压电容器17再生成平滑电容器12.结果，提供了一种X射线高压装置，其允许将管电压的波尾下降到高速度，而不会使其高压部分的结构复杂化。

9. 发明授权

US07048834B2 Method for purification of acrylic acid 有权
标题翻译：纯化丙烯酸的方法
公开(公告)号：US07048834B2
公开(公告)日：2006-05-23
申请号：US09745896
申请日：2000-12-21
申请人： Yoshitake Ishii , Kouji Ueno , Kazuhiko Sakamoto , Sei Nakahara , Masatoshi Ueoka , Tetsuji Mitsumoto , Takeshi Nishimura , Mamoru Takamura , Hisao Nakama
发明人： Yoshitake Ishii , Kouji Ueno , Kazuhiko Sakamoto , Sei Nakahara , Masatoshi Ueoka , Tetsuji Mitsumoto , Takeshi Nishimura , Mamoru Takamura , Hisao Nakama
IPC分类号： B01D3/34 , B01D3/42 , C07C51/44 , C07C51/487 , C07C57/07
CPC分类号： C07C51/44 , C07C51/487 , C07C57/04
摘要： The present invention provides an industrially easy and economical method for purification of acrylic acid which enables to efficiently eliminate impurities from a crude acrylic acid containing aldehydes as the impurities while the formation of acrylic acid polymer is inhibited. The method for purification of acrylic acid includes the step of distilling a crude acrylic acid which is charged with an aldehyde treatment chemical, wherein the concentration ratio of furfural to acrolein by weight in the crude acrylic acid is adjusted so as to satisfy the following equation: (furfural concentration by weight)/(acrolein concentration by weight)≦100.
摘要翻译：本发明提供了一种工业上容易和经济的丙烯酸纯化方法，其能够在抑制丙烯酸聚合物形成的同时，有效地除去含粗醛的丙烯酸作为杂质的杂质。纯化丙烯酸的方法包括蒸馏装入醛处理化学品的粗丙烯酸的步骤，其中调整粗丙烯酸中的糠醛与丙烯醛的重量比，以满足下列等式：（糠醛浓度按重量计）/（丙烯醛浓度重量）<= 100。<？in-line-formula description =“In-line formula”end =“lead” “公式”end =“tail”？>

10. 发明授权

US07029518B2 Method and apparatus for the preparation of clean gases 失效
标题翻译：清洁气体的制备方法和装置
公开(公告)号：US07029518B2
公开(公告)日：2006-04-18
申请号：US11079252
申请日：2005-03-15
申请人： Toshiaki Fujii , Tsukuru Suzuki , Hidetomo Suzuki , Kazuhiko Sakamoto
发明人： Toshiaki Fujii , Tsukuru Suzuki , Hidetomo Suzuki , Kazuhiko Sakamoto
IPC分类号： B01D53/04
CPC分类号： B01D46/12 , B01D53/04 , B01D53/0407 , B01D53/0462 , B01D53/047 , B01D53/26 , B01D2253/10 , B01D2253/102 , B01D2253/106 , B01D2253/108 , B01D2256/10 , B01D2257/11 , B01D2257/702 , B01D2257/80 , B01D2258/0216 , B01D2259/40083 , B01D2267/40 , B01D2279/51 , F24F3/1411 , F24F3/161 , F24F2003/144 , F24F2003/1625
摘要： A method and apparatus for preventing contamination of a substrate or a substrate surface, and particularly relates to prevention of contamination of raw materials, semi-finished products, base materials of products and substrate surface in a high-tech industry such as an in the production of semiconductors and liquid crystals. A gas coming into contact with a base material or substrate is purified by dust removing apparatus and adsorption and/or absorption apparatus so that the concentration of fine particles in the gas is below class 1,000 and a non-methane hydrocarbon concentration is below 0.2 ppm. Thereafter, the base material or the substrate surface is exposed to this gas.
摘要翻译：防止基板或基板表面污染的方法和装置，特别涉及防止在诸如生产中的高科技工业中的原材料，半成品，产品的基材和基板表面的污染的半导体和液晶。与基材或基材接触的气体通过除尘装置和吸附和/或吸收装置进行净化，使得气体中的微粒浓度低于1000，非甲烷烃浓度低于0.2ppm。此后，将基材或基板表面暴露于该气体。

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