| 초록 |
In this study, we synthesize GAP-base particles as an adsorbent containing azide groups which are known as one of highly reactive groups and its ability to remove metal ions due to a strong coordination with these metal ions. The spherical particles containing azide groups are prepared by suspension method via a reaction of glycidyl azide polymer (GAP) and bis-propargyl succinate (BPS) and an aid of polyvinyl alcohol (PVA). Cu-free Click reaction occurs via azide groups of GAP and alkyne groups of BPS. The changing of agitation speed, concentration of PVA and content of organic phase affects to particle size and particle size distribution. The spherical shape and mechanical properties of particles are obtained by SEM and TGA, DMA, DSC measurements. The efficiency of removing metal ions is obtained by adsorption Hg2+ and Pb2+. Freundlich isotherm model is used to describe the adsorption process. GAP-base particle is the promising adsorbent for wastewater treatment containing metal ions. |
