Process for preparing selective ion exchangers
    15.
    发明授权
    Process for preparing selective ion exchangers 有权
    制备选择性离子交换剂的方法

    公开(公告)号:US06610753B2

    公开(公告)日:2003-08-26

    申请号:US09371682

    申请日:1999-08-10

    IPC分类号: C08J520

    CPC分类号: B01J45/00

    摘要: The present invention relates to a process for preparing selective ion exchangers based on crosslinked vinylaromatic polymers and containing iminoacetic acid units of the general formulas (I) and (II) wherein X represents hydrogen or an alkali metal ion, by reacting a weak-base anion exchanger bearing primary amino groups with monochloro-acetic acid and/or an alkali metal salt of monochloroacetic acid at a temperature of from 70 to 110° C. and a pH of from 7 to 11.

    摘要翻译: 本发明涉及一种制备基于交联乙烯基芳族聚合物的选择性离子交换剂和含有通式(I)和(II)的亚氨基乙酸单元的方法,其中X表示氢或碱金属离子,通过使弱碱阴离子 具有一氯乙酸和/或一氯乙酸的碱金属盐的伯氨基的交换剂在70至110℃的温度和7至11的pH下进行。

    Picolylamine resins
    16.
    发明授权
    Picolylamine resins 有权
    吡啶基胺树脂

    公开(公告)号:US08563622B2

    公开(公告)日:2013-10-22

    申请号:US12919851

    申请日:2009-02-27

    摘要: The present application relates to novel monodisperse, gel-type or macroporous picolylamine resins which are based on at least one monovinylaromatic compound and at least one polyvinylaromatic compound and/or a (meth)acrylic compound and contain tertiary nitrogen atoms in structures of the general formula (I) as functional group, where R1 is an optionally substituted radical from the group consisting of picolyl, methylquinoline and methylpiperidine, R2 is a radical —(CH2)q—COOR3, R3 is a radical from the group consisting of H, Na and K, m is an integer from 1 to 4, n and p are each, independently of one another, a number in the range from 0.1 to 1.9 and the sum of n and p is 2, q is an integer from 1 to 5 and M is the polymer matrix, a process for preparing them and their uses, in particular the use in hydrometallurgy and electroplating.

    摘要翻译: 本申请涉及基于至少一种单乙烯基芳族化合物和至少一种聚乙烯基芳族化合物和/或(甲基)丙烯酸化合物并且在通式结构中含有叔氮原子的新型单分散,凝胶型或大孔吡甲基胺树脂 (I)作为官能团,其中R 1是由吡啶甲基,甲基喹啉和甲基哌啶组成的组中的任选取代的基团,R 2是 - (CH 2)q -COOR 3基团,R 3是由H,Na和 K,m为1〜4的整数,n和p各自独立地为0.1〜1.9的数,n与p的和为2,q为1〜5的整数, M是聚合物基质,其制备方法及其用途,特别是在湿法冶金和电镀中的应用。

    AMPHOTERIC ION EXCHANGERS
    19.
    发明申请
    AMPHOTERIC ION EXCHANGERS 有权
    AMPHOTERIC离子交换剂

    公开(公告)号:US20090107918A1

    公开(公告)日:2009-04-30

    申请号:US12249148

    申请日:2008-10-10

    IPC分类号: C08J5/20 B01D15/36

    CPC分类号: B01J43/00

    摘要: The present invention relates to novel amphoteric ion exchangers which possess not only phthalamide groups of the formula (I) but also —(CH2)mNR1R2 groups and/or if appropriate —(CH2)mNR1R2R3 groups, wherein m is an integer from 1 to 4 and R1, R2, R3 in each case independently of one another are hydrogen, —CH3, —CH2CH3, —CH2CH2CH3, benzyl, —OCH2CH3 or —CH2CH2OH and X is H or Na or K, to a process for production thereof and also use thereof.

    摘要翻译: 本发明涉及新型的两性离子交换剂,其不仅具有式(I)的邻苯二甲酰胺基团,而且还具有 - (CH 2)m N R 1 R 2基团和/或如果合适的 - (CH 2)m N R 21 R 3基团,其中m是1至4的整数 R 1,R 2,R 3各自独立地为氢,-CH 3,-CH 2 CH 3,-CH 2 CH 2 CH 3,苄基,-OCH 2 CH 3或-CH 2 CH 2 OH,X为H或Na或K,为其制备方法,并且还使用 其中。