Anion exchanger
    2.
    发明授权
    Anion exchanger 失效
    ANION交换机

    公开(公告)号:US5180750A

    公开(公告)日:1993-01-19

    申请号:US385229

    申请日:1989-07-26

    IPC分类号: C08G75/23

    CPC分类号: C08G75/23

    摘要: An anion exchanger consisting essentially of an aromatic polysulfone block copolymer of the formula: ##STR1## wherein Ar is ##STR2## or ##STR3## X is --SO.sub.2 --, ##STR4## --S-- or --O--, Y is --SO.sub.2 --, --S-- or --O--, Z is a single bond, --O--, --S--, --SO.sub.2 --, ##STR5## each of R.sub.1 to R.sub.9 which may be the same or different is a hydrocarbon group having from 1 to 8 carbon atoms, each of a to d is an integer of from 0 to 4, e is an integer of from 0 to 3, (f+g) is from 0 to 7, (h+i) is from 0 to 5, each of R.sub.10 and R.sub.11 is a hydrogen atom or a hydrocarbon group having from 1 to 6 carbon atoms, and each of m and n is an integer of from 2 to 200, provided m/n=100/1-1/10, and having anion exchange groups introduced to the aromatic rings of the copolymer.

    Anion exchange membrane, process for its production and solution treating apparatus
    3.
    发明授权
    Anion exchange membrane, process for its production and solution treating apparatus 有权
    阴离子交换膜,其生产和溶液处理设备的工艺

    公开(公告)号:US07081484B2

    公开(公告)日:2006-07-25

    申请号:US09909898

    申请日:2001-07-23

    IPC分类号: C08J5/20

    摘要: An anion exchange membrane comprising a resin phase which contains from 20 to 96 mass % of a polymer having repeating units represented by the following formula (1): wherein A is a C3-8 alkylene group or an alkyleneoxyalkyl group having a total carbon number of from 4 to 9, each of R1, R2 and R3 is a hydrogen atom, a C1-6 alkyl group or a hydroxyalkyl group, and X− is an anion, and wherein any hydrogen atom bonded to the benzene ring may be substituted by an alkyl group or a halogen atom, and from 4 to 80 mass % of a thermoplastic polymer having no ion exchange groups, substantially uniformly.

    摘要翻译: 一种阴离子交换膜,其含有含有20〜96质量%的具有下述式(1)表示的重复单元的聚合物的树脂相:其中A为C 3〜8亚烷基或 总碳数为4〜9的烷氧基烷基,R 1,R 2和R 3各自为氢原子, C 1-6烷基或羟烷基,X -O - 是阴离子,并且其中与苯环键合的任何氢原子可以被烷基或 卤素原子和4〜80质量%的不具有离子交换基团的热塑性聚合物,基本均匀。

    Method for separating and recovering an acid
    4.
    发明授权
    Method for separating and recovering an acid 失效
    分离和回收酸的方法

    公开(公告)号:US5300228A

    公开(公告)日:1994-04-05

    申请号:US894642

    申请日:1992-06-05

    摘要: A method for separating and recovering an acid, which comprises contacting to one side of a diffusion dialysis membrane an acid solution containing an acid having an acid radical with a formula weight of at most 200 and impurities and to the other side of the membrane water or a dilute acid solution, to separate and recover the acid in the solution, wherein the diffusion dialysis membrane comprises a cation exchange membrane having certain specific properties or comprises a main layer of an anion exchanger and a surface layer of the cation exchange membrane having certain specific properties formed on the main layer at the side of which is contact with the acid solution.

    摘要翻译: 一种用于分离和回收酸的方法,其包括使扩散透析膜的一侧与含有至多200个酸重量的酸基和杂质的酸溶液和膜的另一侧接触,或者 稀酸溶液,以分离和回收溶液中的酸,其中扩散透析膜包含具有某些特定性质的阳离子交换膜或包含阴离子交换剂的主层和阳离子交换膜的表面层,其具有特定的 在主层上形成的与酸溶液接触的性质。

    Heterogeneous anion exchanger
    5.
    发明授权
    Heterogeneous anion exchanger 失效
    非均相阴离子交换剂

    公开(公告)号:US06632848B2

    公开(公告)日:2003-10-14

    申请号:US09909904

    申请日:2001-07-23

    申请人: Yoshio Sugaya

    发明人: Yoshio Sugaya

    IPC分类号: C08J522

    摘要: A heterogeneous anion exchanger comprising from 35 to 85 mass % of an anion exchange resin and from 15 to 65 mass % of a binder polymer, wherein the anion exchange resin is made of a polymer having repeating units represented by the following formula (1): wherein R is a C3-8 alkylene group or an alkyleneoxyalkyl group having a total carbon number of from 4 to 9, R1 is a C1-4 alkyl group which may be substituted by a hydroxyl group, each of R2 and R3 is a C1-4 alkyl group, and X− is an anion, and wherein any hydrogen atom bonded to the benzene ring may be substituted by an alkyl group or a halogen atom.

    摘要翻译: 包含35〜85质量%的阴离子交换树脂和15〜65质量%的粘合剂聚合物的异质阴离子交换体,其中,所述阴离子交换树脂由具有下述式(1)所示的重复单元的聚合物构成: 其中R是总碳数为4至9的烷基或亚烷基氧基烷基,R 1 PDAT >是可以被羟基取代的C 1-4烷基,R <2 和R <3 是C 1-4 烷基,X < - 是阴离子, 并且其中与苯环键合的任何氢原子可以被烷基或卤素原子取代

    Method for producing deionized water
    6.
    发明授权
    Method for producing deionized water 失效
    去离子水的生产方法

    公开(公告)号:US06565725B2

    公开(公告)日:2003-05-20

    申请号:US09796595

    申请日:2001-03-02

    IPC分类号: B01D6148

    摘要: A method for producing deionized water by an electro-regenerating deionization method, which comprises employing a deionized water producing apparatus comprising an electrodialyzer, and ion exchangers being accommodated in the demineralizing compartments, supplying water to be treated in the demineralizing compartments and supplying a concentrated water to the concentrating compartments, wherein the concentrated water at the outlet of the concentrating compartments has a S value of 7 or more as defined by the following formula (1) and a pH of 2.5 or more: S value=(&ggr;−420000×A)/(B×(1−(A/0.004))3)  Formula(1), wherein &ggr; is electro-conductivity(&mgr;S/cm), A is hydrogen ion concentration (mol/l), and B is magnesium ion concentration (ppb).

    摘要翻译: 一种通过电再生去离子法制造去离子水的方法,其包括使用包含电渗析器的去离子水生产装置和离子交换剂容纳在脱盐室中,在脱盐室中供应待处理的水并提供浓缩水 浓缩室的出口处的浓缩水的S值为7以上,如下式(1)所定义,pH为2.5以上:其中,γ为导电性(μS/ cm),A为氢离子浓度(mol / l),B为镁离子浓度(ppb)。

    Process for preparing organic dispersion of acid type fluorinated polymer
    7.
    发明授权
    Process for preparing organic dispersion of acid type fluorinated polymer 失效
    制备酸型氟化聚合物有机分散体的方法

    公开(公告)号:US4341685A

    公开(公告)日:1982-07-27

    申请号:US203391

    申请日:1980-11-03

    IPC分类号: C08J3/09 C08J5/22 C08K5/02

    摘要: An organic dispersion is prepared of an acid type fluorinated polymer comprises copolymerizing a fluorinated ethylenically unsaturated monomer and a functional monomer having an acid type functional group in an aqueous medium under an action of a polymerization initiator source to obtain an aqueous dispersion of an acid type fluorinated polymer having the functional monomer unit content of 5 to 40 mol %; and replacing an aqueous medium of the aqueous dispersion to a hydrophilic organic medium under maintaining the dispersion.

    摘要翻译: 制备酸型氟化聚合物的有机分散体,其包括在聚合引发剂源的作用下在水性介质中共聚氟化烯键式不饱和单体和具有酸型官能团的官能单体以获得酸式氟化的水性分散体 功能单体单元含量为5〜40摩尔%的聚合物; 并在保持分散体的情况下将水性分散体的水性介质替换为亲水性有机介质。

    Electrolytic cation exchange membrane
    9.
    发明授权
    Electrolytic cation exchange membrane 失效
    电解阳离子交换膜

    公开(公告)号:US4610764A

    公开(公告)日:1986-09-09

    申请号:US735714

    申请日:1985-05-20

    IPC分类号: C08J5/22 C25B1/34 C25B13/00

    CPC分类号: C08J5/2281 C08J2327/18

    摘要: An electrolytic cation exchange membrane which comprises a first film made of a fluorinated polymer having cation exchange groups and containing a fibrillated tetrafluoroethylene polymer and a second film laminated thereon, made of a fluorinated polymer having carboxylic acid groups as its ion exchange groups, said first film having a greater thickness and smaller specific electric resistance than said second film.

    摘要翻译: 一种电解阳离子交换膜,其包含由具有阳离子交换基团并含有原纤化四氟乙烯聚合物的氟化聚合物制成的第一膜和层压在其上的由具有羧酸基的氟化聚合物作为其离子交换基团的第二膜,所述第一膜 具有比所述第二膜更大的厚度和更小的比电阻。

    Anion exchanger and process for producing anion exchange membrane
    10.
    发明授权
    Anion exchanger and process for producing anion exchange membrane 失效
    阴离子交换器和阴离子交换膜的生产工艺

    公开(公告)号:US06780893B2

    公开(公告)日:2004-08-24

    申请号:US10207147

    申请日:2002-07-30

    IPC分类号: C08J522

    摘要: 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.

    摘要翻译: 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。