Macroporous weakly basic acrylic anion exchange resin

[Structural formula]

[Physical and chemical properties] The product is white to light yellow opaque spherical particles, the wet apparent density is 0.

[Preparation method] Suspension copolymerization of methyl acrylate and crosslinking agent divinylbenzene , adding a porogen, reacting to form a bead copolymer, and then preparing it after amidation reaction of polyvinyl polyamine

Chinese patent CN85104153 In a 2000mL reaction flask equipped with a stirrer, a thermometer and a reflux condenser, add 1000mL water, 3g gelatin, 100g sodium chloride, stir to dissolve, weigh 75g divinylbenzene, 3g benzene peroxide in a beaker Formyl , 225g methyl acrylate, 120g gasoline, 10g dimethyl phthalate, mix well and add to the reaction flask, stir into beads, react at 80°C for 14h, then cool, filter, wash and dry

[Application] Mainly used for water treatment, extraction of rare elements, decolorization, etc.