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Original Articles

Phosphonated Polyethyleneimines (PEIP) as Multi-Use Polymers

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Pages 879-890 | Received 31 Aug 2014, Accepted 24 Oct 2014, Published online: 01 Jul 2015
 

GRAPHICAL ABSTRACT

Abstract

Polyethylenimines (PEI) are commercial hyperbranched polymers, which can be phosphonated into polyethylenimines (PEIP) by the method of Moedritzer–Irani under microwave irradiation. Totally phosphonated PEIP are very efficient resins for metal ions extraction, and are also excellent anti-corrosion agents of steel. Partially phosphonated PEIP stabilize the maghemite nanoparticles and form core-shells, which have been used as platforms for the immobilization of trypsin and β−cyclodextrin. Partially phosphonated PEIP also stabilize antibacterial silver nanoparticles.

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