Macroporous ion exchange resin

Macroporous ion exchange resin

The resin is called MACROPOROUS ION EXCHANGE RESIN, because of a large number of capillary channels are formed by adding porogen in the manufacturing process. In its sphere, the gel skeleton of macromolecule is divided into "heterogeneous" gel structure by capillary pore, and it has gel pores and capillary pores at the same time. The volume of capillary pores is about 0.5ml/g (pore / resin), the pore size ranges from several nms to μms, and the specific surface area per gram ranges from several to hundreds of square meters. Because of such a structure, molecules with larger diameter can pass through the resin, so it has a good effect in removing polymer organics in water.

As the pore occupies a certain space, the solid part of the skeleton is relatively reduced, and the content of the exchange group is reduced correspondingly, so the exchange capacity is lower than that of the gel type resin. In addition, it has strong adsorption capacity. Because it is firmly combined with the exchanged ions, it is not easy to fully restore its exchange capacity.

Keywords: Macroporous ion exchange resin, Ion exchange resin, IX resin, cation exchange resin, anion exchange resin

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