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    • 4. 发明授权
    • Electro-regenerating type apparatus for producing deionized water
    • 用于生产去离子水的电再生型装置
    • US06471867B2
    • 2002-10-29
    • US09731792
    • 2000-12-08
    • Yoshio SugayaYukio MatsumuraHiroshi Toda
    • Yoshio SugayaYukio MatsumuraHiroshi Toda
    • B01D1706
    • C02F1/4695B01D61/48B01J49/30C02F1/42C02F1/4604C02F2201/46115
    • An electro-regenerating type apparatus for producing deionized water, which comprises an electrodialyzer having cation exchange membranes and anion exchange membranes alternately arranged between an anode compartment provided with an anode and a cathode compartment provided with a cathode, demineralizing compartments compartmentalized with the anion exchange membranes on the anode side and compartmentalized with the cation exchange membranes on the cathode side, and concentrating compartments compartmentalized with the cation exchange membranes on the anode side and compartmentalized with the anion exchange membranes on the cathode side, the electrodialyzer having ion exchangers accommodated in the demineralizing compartments, wherein a porous anion exchanger layer having a porosity of from 20 to 95%, a maximum pore size of from 0.01 to 500 &mgr;m and a thickness of at least five times the maximum pore size and from 10 &mgr;m to 10 mm, is provided on the anode side of each anion exchange membrane.
    • 一种用于生产去离子水的电再生型装置,其包括具有阳离子交换膜的电渗析器和交替布置在设置有阳极的阳极室和设置有阴极的阴极室之间的阴离子交换膜,所述阳离子隔室与阴离子交换膜隔开 在阳极侧并与阴极侧的阳离子交换膜分隔开,并且在阳极侧与阳离子交换膜间隔的浓缩隔室与阴极侧的阴离子交换膜分隔开,电离渗析器具有容纳在脱矿质中的离子交换器 隔室,其中提供孔隙率为20至95%,最大孔径为0.01至500μm,厚度为至少5倍最大孔径和10mum至10mm的多孔阴离子交换剂层 在每个阴离子交换膜的阳极侧 rane。
    • 7. 发明授权
    • Method for producing an alkali metal hydroxide
    • 碱金属氢氧化物的制造方法
    • US5039382A
    • 1991-08-13
    • US309731
    • 1989-02-03
    • Koji SuzukiYoshio SugayaAtsushi WatakabeTetsugi Shimohira
    • Koji SuzukiYoshio SugayaAtsushi WatakabeTetsugi Shimohira
    • C08J5/22C25B1/46
    • C25B1/46C08J5/2281C08J2327/18C08J2371/12
    • A method for producing an alkali metal hydroxide by electrolysis in an electrolytic cell comprising an anode compartment and a cathode compartment, which comprises supplying an aqueous alkali metal chloride solution to the anode compartment and withdrawing an aqueous alkali metal hydroxide solution from the cathode compartment, wherein a fluorine-containing cation exchange membrane comprising a first layer of an alkali resistant cation exchanger with a thickness of at least 5 .mu.m selected from the group consisting of the following (a), (b), and (c), and a second layer of a perfluorocarbon polymer having --CO.sub.2 M groups (wherein M is an alkali metal) and a water content of from 2 to 7% by weight in a 45 wt% NaOH aqueous solution with a thicknesss of at least 5 .mu.m, is disposed with the first layer facing the cathode compartment;(a) a layer of a cation exchanger having alkali resistant inorganic particles or fibrils dispersed therein,(b) a layer of porous material of a cation exchange resin with minimum permability, and(c) a layer of a cation exchanger having an alkali resistant polymer having no ion exchange groups embedded therein.
    • 一种在包括阳极室和阴极室的电解池中通过电解生产碱金属氢氧化物的方法,包括向阳极室供应碱金属氯化物水溶液并从阴极室中取出碱金属氢氧化物水溶液,其中 一种含氟阳离子交换膜,其包含选自以下(a),(b)和(c)中的至少5μm的厚度的耐碱性阳离子交换剂的第一层,和第二层 在厚度为至少5μm的45重量%NaOH水溶液中,具有-CO 2 M基团(其中M为碱金属)和含水量为2至7重量%的全氟化碳聚合物层与 第一层面向阴极室; (a)具有分散在其中的具有耐碱性无机颗粒或原纤维的阳离子交换剂层,(b)具有最小渗透性的阳离子交换树脂的多孔材料层,和(c)具有耐碱性的阳离子交换剂层 没有嵌入离子交换基团的聚合物。
    • 10. 发明授权
    • Anion exchanger and process for producing anion exchange membrane
    • 阴离子交换器和阴离子交换膜的生产工艺
    • US06780893B2
    • 2004-08-24
    • US10207147
    • 2002-07-30
    • Yoshio SugayaHisao Kawazoe
    • Yoshio SugayaHisao Kawazoe
    • C08J522
    • C08L81/06C08G2650/02C08J5/2256C08J2371/12
    • A process for producing an anion exchange membrane, which comprises mixing from 25 to 95 mass % of a polymer having anion exchange groups or active groups convertible to anion exchange groups (hereinafter referred to as polymer 1), and from 5 to 75 mass % of a polymer having no anion exchange groups or no active groups convertible to anion exchange groups (hereinafter referred to as polymer 2), and forming the obtained composition into a membrane, said process including a step of cross-linking an aromatic ring of a repeating unit constituting polymer 1 with an aromatic ring of another repeating unit constituting polymer 1 or with a cross-linkable site of polymer 2, and in a case where polymer 1 is a polymer having active groups convertible to anion exchange groups, a step of converting the active groups to anion exchange groups.
    • 一种阴离子交换膜的制造方法,其特征在于,将25〜95质量%的具有阴离子交换基团或可转换成阴离子交换基团的活性基团(以下称为聚合物1)的聚合物与5〜75质量% 没有阴离子交换基的聚合物或没有可转化成阴离子交换基团的活性基团(以下称为聚合物2),并将所得组合物形成膜,所述方法包括使重复单元的芳香环交联的步骤 构成具有构成聚合物1的另一重复单元的芳香环的聚合物1或聚合物2的可交联位点,在聚合物1为具有可转化为阴离子交换基团的活性基团的聚合物的情况下, 组成阴离子交换基团。