Synthesis of Novel Amphiphilic Block Copolymers of Poly-N-vinylpyrrolidone and Poly (D, L-lactide) by Atom Transfer Radical Polymerization

In order to improve the hydrophilicity of poly (D,L-latide) (PDLLA), a novel amphiphilic ABA-type triblock copolymers of poly-N-vinylpyrrolidone (A) and poly (D, L-lactide) (B), were successfully synthesized by atom transfer radical polymerization (ATRP) using N-vinylpyrrolidone (VP) as monomer, bromide-terminated poly (D,L-latide) oligomer (Br-PDLLA-Br) as functional macromolecular initiator which was prepared when hydroxy-terminated poly(D,L-latide) oligomer (HO-PDLLA-OH) reacted with 2-bromopropanoyl bromide, CuBr/2,2’-bipyridine complex as the catalyst system. The resulting copolymers were characterized by various analytical techniques. The results showed that the introduction of poly (N-vinylpyrrolidone) (PVP) segments into polylactide enhanced the surface hydrophilicity of the copolymers remarkably and amphiphilic polymer can self-assemble into core-shell structure (polymer micelle) in water by the balance of the hydrophilic and hydrophobic interaction.

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Preparation of polyacrylamide microspheres with core–shell structure via surface-initiated atom transfer radical polymerization

RSC Advances ◽

10.1039/c6ra22615a ◽

2016 ◽

Vol 6 (94) ◽

pp. 91463-91467 ◽

Cited By ~ 4

Author(s):

Peng Zhang ◽

Shixun Bai ◽

Shilan Chen ◽

Dandan Li ◽

Zhenfu Jia ◽

...

Keyword(s):

Atom Transfer Radical Polymerization ◽

Radical Polymerization ◽

Shell Structure ◽

Core Shell ◽

Atom Transfer ◽

The Core ◽

Core Shell Structure

Well defined core–shell microspheres were prepared by surface-initiated atom transfer radical polymerization with pre-crosslinked polyacrylamide as the core and non-crosslinked polyacrylamide as the shell.

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Atom transfer radical polymerization of styrene and methyl (meth)acrylates initiated with poly(dimethylsiloxane) macroinitiator: Synthesis and characterization of triblock copolymers

Journal of Applied Polymer Science ◽

10.1002/app.34794 ◽

2011 ◽

Vol 123 (4) ◽

pp. 2423-2430 ◽

Cited By ~ 21

Author(s):

Mohammad Ali Semsarzadeh ◽

Mahdi Abdollahi

Keyword(s):

Atom Transfer Radical Polymerization ◽

Radical Polymerization ◽

Triblock Copolymers ◽

Synthesis And Characterization ◽

Atom Transfer

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End-linked amphiphilic polymer conetworks: Synthesis by sequential atom transfer radical polymerization and swelling characterization

Journal of Polymer Science Part A Polymer Chemistry ◽

10.1002/pola.23951 ◽

2010 ◽

Vol 48 (9) ◽

pp. 1878-1886 ◽

Cited By ~ 21

Author(s):

Maria D. Rikkou ◽

Maria Kolokasi ◽

Krzysztof Matyjaszewski ◽

Costas S. Patrickios

Keyword(s):

Atom Transfer Radical Polymerization ◽

Radical Polymerization ◽

Amphiphilic Polymer ◽

Atom Transfer

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A Dual Catalyst System for Atom Transfer Radical Polymerization Based on a Halogen-Free Neutral Cu(I) Complex

Macromolecules ◽

10.1021/ma034979v ◽

2003 ◽

Vol 36 (20) ◽

pp. 7432-7438 ◽

Cited By ~ 28

Author(s):

Yoshihisa Inoue ◽

Krzysztof Matyjaszewski

Keyword(s):

Atom Transfer Radical Polymerization ◽

Radical Polymerization ◽

Catalyst System ◽

Atom Transfer ◽

Halogen Free

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Synthesis and characterization of A–B–A triblock copolymers derived from chloro-telechelic poly(l-lactide): combining ring-opening polymerization (ROP) and atom transfer radical polymerization (ATRP)

Polymer ◽

10.1016/j.polymer.2005.03.023 ◽

2005 ◽

Vol 46 (11) ◽

pp. 3628-3638 ◽

Cited By ~ 24

Author(s):

Jamie M. Messman ◽

Adam D. Scheuer ◽

Robson F. Storey

Keyword(s):

Atom Transfer Radical Polymerization ◽

Radical Polymerization ◽

Ring Opening ◽

Triblock Copolymers ◽

Ring Opening Polymerization ◽

Synthesis And Characterization ◽

Atom Transfer

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Nanoscale structure of SAN–PEO–SAN triblock copolymers synthesized by atom transfer radical polymerization

Polymer ◽

10.1016/j.polymer.2006.07.019 ◽

2006 ◽

Vol 47 (19) ◽

pp. 6673-6683 ◽

Cited By ~ 10

Author(s):

Michal Shach-Caplan ◽

Michael S. Silverstein ◽

Havazelet Bianco-Peled ◽

Nicolay V. Tsarevsky ◽

Beth M. Cooper ◽

...

Keyword(s):

Atom Transfer Radical Polymerization ◽

Radical Polymerization ◽

Triblock Copolymers ◽

Atom Transfer ◽

Nanoscale Structure

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ATRP Synthesis of PS-b-PtBMA and Preparation of Porous Film

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.364.679 ◽

2013 ◽

Vol 364 ◽

pp. 679-683

Author(s):

Chang Hao Yan ◽

Zhi Jiao Zhang ◽

Hai Yan Chen ◽

Zhong Yi Xie ◽

Ting Zhu ◽

...

Keyword(s):

Block Copolymer ◽

Atom Transfer Radical Polymerization ◽

Radical Polymerization ◽

Catalyst System ◽

Porous Film ◽

Atom Transfer ◽

H Nmr ◽

Breath Figure ◽

Breath Figure Method ◽

End Group

The polystyrene with end group of Br was synthesized by using MBrP as the initiator, CuBr/ PMDETA as the catalyst system according to atom transfer radical polymerization (ATRP). The effect of reaction temperature was studied and the system was confirmed as the active polymerization. Then PS-Br and CuBr/ PMDETA were respectively used as macroinitiator and catalyst to polymerize tBMA according to atom transfer radical polymerization (ATRP). The structure of the product was characterized by GPCFTIR1H-NMR. The amphiphilic block copolymer was obtained after hydrolysis. And the honeycomb porous film was prepared by PS-b-PMAA through using breath figure method.

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