Journal
MOLECULES
Volume 24, Issue 21, Pages -Publisher
MDPI
DOI: 10.3390/molecules24213866
Keywords
heavy metal ion removal; poly(amidoamine); hyperbranched polymer; inverse suspension polymerization
Funding
- National Research Foundation of Korea [NRF-2015R1A2A1A10055222, NRF-2019R1H1A2039753]
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Micrometer-sized hyperbranched poly(amidoamine) (hPAMAM) particles are prepared with a simple A(2)B(3) type Aza-Michael addition reaction between aminoethylpiperazine (AEP) and methylenebisacrylamide (MBA) in an inverse suspension polymerization condition. The synthesized particles exhibited surprisingly high Cu2+ sorption capacity (0.223g/g) for a solid-type absorbent. In addition to the high sorption ability of the particle, its simple synthetic process and convenience, due to its micrometer-sized spherical shape and recyclability, make it a practical and attractive absorbent for heavy metal ion removal from aqueous solutions.
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