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Chitosan and alginate are natural carbohydrate materials used to remove heavy metal ions from aqueous solutions. In this research, chitosan gel nanoparticles were formed by ionic cross-linking with sodium tripolyphosphate and characterized by zetasizing and TEM. The equilibrium adsorption capability of chitosan nanoparticles and calcium-alginate gel microbeads for Cu 2+ from copper sulfate...
Butyl acrylate was used as reaction terminator to control the molecular structure of hyperbranched poly(ester-amine)s (HPEA) synthesized from piperazine and trimethylolpropanetriacrylate (TMPTA). Self-assembled films were formed from HPEA as polycation and poly(sodium-p-styrenesulfonate) (PSS) as polyanion by layer-by-layer (LBL) dipping. The influence of solution pH of HPEA on aggregation behaviors...
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