Synthesis of star polymers via nitroxide mediated free-radical polymerization: A "Core-First" approach using resorcinarene-based alkoxyamine initiators

被引：24

作者：

Abraham, Sinoj ^{[1
]}

Choi, Jae Ho ^{[1
]}

Ha, Chang-Sik ^{[1
]}

Kim, Il ^{[1
]}

机构：

[1] Pusan Natl Univ, Dept Polymer Sci & Engn, Pusan 609735, South Korea

来源：

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 2007年 / 45卷 / 23期

关键词：

alkoxyamine; block copolymers; initiators; nitroxide-mediated radical polymerization; resorcinarene; star polymers;

D O I：

10.1002/pola.22302

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The synthesis of new octafunctional alkoxyamine initiators for nitroxide-mediated radical polymerization (NMRP), by the derivatization of resorcinarene with nitroxide free radicals viz TEMPO and a freshly prepared phosphonylated nitroxide, is described. The efficiency of these initiators toward the controlled radical polymerization of styrene and tert-butyl acrylate is investigated in detail. Linear analogues of these multifunctional initiators were also prepared to compare and evaluate their initiation efficiency. The favorable conditions for polymerization were optimized by varying the concentration of initiators and free nitroxides, reaction conditions, etc., to obtain well-defined star polymers. Star polystyrene thus obtained were further used as macro-initiator for the block copolymerization with tert-butyl acrylate. (c) 2007 Wiley Periodicals, Inc.

引用

页码：5559 / 5572

页数：14

共 89 条

[71] Effect of ligand on the synthesis of star polymers by resorcinarene-based ATRP initiators [J].

Strandman, S ;

Pulkkinen, P ;

Tenhu, H .

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, 2005, 43 (15) :3349-3358

[72] Resorcinarene-based ATRP initiators for star polymers [J].

Strandman, S ;

Luostarinen, M ;

Niemelä, K ;

Tenhu, H ;

Rissanen, K .

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, 2004, 42 (17) :4189-4201

[73] New sterically hindered nitroxides for the living free radical polymerization:: X-ray structure of an α-H-bearing nitroxide [J].

Studer, A ;

Harms, K ;

Knoop, C ;

Müller, C ;

Schulte, T .

MACROMOLECULES, 2004, 37 (01) :27-34

[74] BIOMOLECULAR MATERIALS [J].

TIRRELL, JG ;

FOURNIER, MJ ;

MASON, TL ;

TIRRELL, DA .

CHEMICAL & ENGINEERING NEWS, 1994, 72 (51) :40-51

[75] Synthesis of methyl methacrylate, styrene, and isobutylene multiblock copolymers using atom transfer and cationic polymerization [J].

Toman, L ;

Janata, M ;

Spévácek, J ;

Vlcek, P ;

Látalová, P ;

Sikora, A ;

Masar, B .

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, 2005, 43 (17) :3823-3830

[76]

Tsoukatos T, 2001, J POLYM SCI POL CHEM, V39, P320, DOI 10.1002/1099-0518(20010115)39:2<320::AID-POLA80>3.0.CO

[77]

2-N

[78] Calixarene-core multifunctional initiators for the ruthenium-mediated living radical polymerization of methacrylates [J].

Ueda, J ;

Kamigaito, M ;

Sawamoto, M .

MACROMOLECULES, 1998, 31 (20) :6762-6768

[79] Synthesis of novel amphiphilic and pH-sensitive ABC miktoarm star terpolymers [J].

Van Butsele, K. ;

Stoffelbach, F. ;

Jerome, R. ;

Jerome, C. .

MACROMOLECULES, 2006, 39 (17) :5652-5656

[80] CONTROLLED LIVING RADICAL POLYMERIZATION - ATOM-TRANSFER RADICAL POLYMERIZATION IN THE PRESENCE OF TRANSITION-METAL COMPLEXES [J].

WANG, JS ;

MATYJASZEWSKI, K .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1995, 117 (20) :5614-5615

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