carboxylated polystyrene resin
1.Therefore, in this paper, the new amino resin(PS-EDA and PS-TEPA) was preparedfrom acetylated polystyrene micro-beads, formaldehyde and tetraethylene pentamine(or ethylenediamine ) by Mannich reaction, which can substitute anion-exchange resinprepared from chloromethyl polystyrene resin and as immobilization support ofenzyme.
3.Hypercrosslinked polystyrene macroporous resin has been synthesized in nitrobenzene by one step. The resin has higher ratio surface (about 250 m~2·g~(-1)) and higher absorbability for phenol in water.


