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Synthesis of star thermoresponsive amphiphilic block copolymer nano-assemblies and the effect of topology on their thermoresponse


Mengjiao Cao, Huijun Nie, Yuwen Hou, Guang Han and Wangqing Zhang
Polym. Chem., 2019,10, 403-411

Abstract

Well-defined multi-arm star thermoresponsive block copolymer nano-assemblies of [poly(N-isopropylacrylamide)-block-polystyrene]n [(PNIPAM-b-PS)n] with n = 1, 2, 3 and 4 arms were synthesized by RAFT dispersion polymerization via polymerization-induced self-assembly.


Nano-assemblies of cationic mPEG brush block copolymers with gadolinium polyoxotungstate [Gd(W5O18)2]9− form stable, high relaxivity MRI contrast agents


Joanne Ly, Yuhuan Li, Mai N. Vu, Bradford A. Moffat, Kevin S. Jack, John F. Quinn, Michael R. Whittaker and Thomas P. Davis
Nanoscale, 2018,10, 7270-7280

Abstract

Nano-assemblies of gadolinium polyoxotungstate and cationic mPEG brush block copolymer demonstrated good stability and enhanced relaxivity at physiological pH.


Synthesis of block copolymer nano-assemblies via ICAR ATRP and RAFT dispersion polymerization: how ATRP and RAFT lead to differences


Shuwen Qu, Ke Wang, Habib Khan, Weifeng Xiong and Wangqing Zhang
Polym. Chem., 2019,10, 1150-1157

Abstract

Block copolymer nano-assemblies were synthesized via ICAR ATRP dispersion polymerization employing the CuBr2/tris(2-pyridylmethyl)amine catalyst in an alcoholic solvent at a relatively low temperature of 45 °C.


Cross-linking approaches for block copolymer nano-assemblies via RAFT-mediated polymerization-induced self-assembly


Shenzhen Li, Guang Han and Wangqing Zhang
Polym. Chem., 2020,11, 4681-4692
From themed collection: Polymerization-Induced Self-Assembly (PISA)

Abstract

This minireview summarizes the current cross-linking approaches to stabilize block copolymer nano-assemblies obtained via RAFT-mediated PISA process.


Star amphiphilic block copolymers: synthesis via polymerization-induced self-assembly and crosslinking within nanoparticles, and solution and interfacial properties


Sijia Qian, Rui Liu, Guang Han, Keyu Shi and Wangqing Zhang
Polym. Chem., 2020,11, 2532-2541
From themed collection: Polymerization-Induced Self-Assembly (PISA)

Abstract

The star amphiphilic block copolymer of star s-PNIPAM-b-PS is synthesized and it shows characteristics significantly different from those of the linear block copolymer counterpart.


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