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    Home > Chemicals Industry > Chemical Technology > D202 Macroporous Strong Basic Quaternary Ammonium Type Ⅱ Styrene Anion Exchange Resin

    D202 Macroporous Strong Basic Quaternary Ammonium Type Ⅱ Styrene Anion Exchange Resin

    • Last Update: 2022-01-01
    • Source: Internet
    • Author: User
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    Domestically used names such as D252, D208, D231, 763, Ⅱ type porous resin, etc.


    [Structural formula]

    [Physical and chemical properties] This product is milky white to light yellow, opaque spherical particles, and belongs to macroporous ion exchange resin


    [Preparation]

    ① Preparation of macroporous styrene and divinylbenzene copolymer beads.


    ②The chloromethylation of macroporous styrene and divinylbenzene copolymer beads reacts with chloromethyl ether under the action of Fu's catalyst to carry out the chloromethylation reaction.


    ③The amination of macroporous styrene and divinylbenzene copolymer beads will be washed with the alcohol-benzene mixture, and then filtered by suction.


    The specific process flow is shown in Figure 9-7


    Figure 9-7 Preparation process of D202 macroporous strongly basic quaternary ammonium type II styrene-based anion exchange resin

    [Technical index] SH2605.


    [Application] Mainly used for the preparation of desalinated water, pure water and high-purity water.


    Related Links: D201 Macroporous Strong Basic Quaternary Ammonium Type I Styrene Anion Exchange Resin

     

     

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