Thermosensitive Micelles Self‐Assembled by Novel  N ‐Isopropylacrylamide Oligomer Grafted Polyphosphazene | Zendy

Zhang Jian Xiang | Zendy; Qiu Li Yan | Zendy; Zhu Kang Jie | Zendy; Jin Yi | Zendy

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Thermosensitive Micelles Self‐Assembled by Novel N ‐Isopropylacrylamide Oligomer Grafted Polyphosphazene

Author(s) -

Zhang Jian Xiang,

Qiu Li Yan,

Zhu Kang Jie,

Jin Yi

Publication year - 2004

Publication title -

macromolecular rapid communications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.348

H-Index - 154

eISSN - 1521-3927

pISSN - 1022-1336

DOI - 10.1002/marc.200400180

Subject(s) - polyphosphazene , micelle , lower critical solution temperature , poly(n isopropylacrylamide) , polymer chemistry , oligomer , copolymer , dynamic light scattering , materials science , amphiphile , hydrodynamic radius , polymer , critical micelle concentration , aqueous solution , chemistry , organic chemistry , nanoparticle , nanotechnology , composite material

Summary: A novel thermosensitive amphiphilic copolymer of PNIPAm grafted polyphosphazene (PNIPAm‐ g ‐PPP) has been synthesized through a co‐substitution reaction of poly(dichlorophosphazene) with amino terminated NIPAm oligomer and glycine ethyl ester (GlyEt). The polymer obtained had a molar ratio of 1:5.25 PNIPAm to GlyEt and had a lower critical solution temperature (LCST) near 30 °C. The formation of polymeric micelles was confirmed by fluorescence, dynamic light scattering and transmission electron microscopy measurements.The structure and formation of thermosensitive micelles of poly( N ‐isopropylacrylamide) grafted polyphosphazenes synthesized here.

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