N-alkyl-2-pyridinemethanimine mediated atom transfer radical polymerisation of styrene:: the transition from heterogeneous to homogeneous catalysis

被引：18

作者：

Amass, AJ ^{[1
]}

Wyres, CA ^{[1
]}

Colclough, E ^{[1
]}

Hohn, IM ^{[1
]}

机构：

[1] Aston Univ, Special Polymer Res Grp, Dept Chem Engn, Birmingham B4 7ET, W Midlands, England

来源：

POLYMER | 2000年 / 41卷 / 05期

基金：

英国工程与自然科学研究理事会;

关键词：

atom transfer radical polymerisation; styrene; polymerisation;

D O I：

10.1016/S0032-3861(99)00283-9

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 polymerisation of styrene was studied using Cu((I))/Cu((II))-based atom transfer radical polymerisation catalysts in conjunction with a variety of N-alkyl-2-pyridinemethanimines as complex ligands. Increasing the length of alkyl chain on the ligand from propyl to octyl resulted in a catalyst complex with improved solubility in xylene, and enabled the production of polymers of narrower molecular weight distribution. The molecular weight distribution was further narrowed by changing the solvent to a more polar system, diglyme, in which case polymers with (M-w/M-n) = 1.1-1.2 were produced, and the catalyst system generated shows possibility of being amenable to kinetic study. The narrow molecular weight distribution is consistent with a soluble catalyst promoting rapid exchange of a halogenated chain end into an active form. Crown copyright (C) 1999 Published by Elsevier Science Ltd. All rights reserved.

引用

页码：1697 / 1702

页数：6

共 17 条

[1] Living radical polymerization of methyl methacrylate with ruthenium complex: Formation of polymers with controlled molecular weights and very narrow distributions [J].

Ando, T ;

Kato, M ;

Kamigaito, M ;

Sawamoto, M .

MACROMOLECULES, 1996, 29 (03) :1070-1072

[2]

DESTARAC M, 1997, MACROMOL RAPID COMM, V18, P697

[3]

Destarac M., 1998, POLYM PREPR AM CHEM, V39, P308

[4]

DiRenzo GM, 1998, MACROMOL RAPID COMM, V19, P381

[5]

FISHER H, 1986, J AM CHEM SOC, V108, P3925

[6] Controlled/''living'' radical polymerization of methyl methacrylate by atom transfer radical polymerization [J].

Grimaud, T ;

Matyjaszewski, K .

MACROMOLECULES, 1997, 30 (07) :2216-2218

[7] Atom transfer radical polymerization of methyl methacrylate initiated by alkyl bromide and 2-pyridinecarbaldehyde imine copper(I) complexes [J].

Haddleton, DM ;

Jasieczek, CB ;

Hannon, MJ ;

Shooter, AJ .

MACROMOLECULES, 1997, 30 (07) :2190-2193

[8] Atom transfer radical polymerisation (ATRP) of methyl methacrylate in the presence of radical inhibitors [J].

Haddleton, DM ;

Clark, AJ ;

Crossman, MC ;

Duncalf, DJ ;

Heming, AM ;

Morsley, SR ;

Shooter, AJ .

CHEMICAL COMMUNICATIONS, 1997, (13) :1173-1174

[9] Copper diimine complexes:: the synthesis and crystal structures of [Cu(C10H14N2)2(MeOH)][BF4], [Cu(C10H20N2)2]Br, [{(C10H14N2)CuBr(μ-OMe)}2(MeOH)] and [{(C10H20N2)CuBr(μ-OMe)}2] [J].

Haddleton, DM ;

Clark, AJ ;

Duncalf, DJ ;

Heming, AM ;

Kukulj, D ;

Shooter, AJ .

JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS, 1998, (03) :381-385

[10] Low-temperature living "radical" polymerization (atom transfer polymerization) of methyl methacrylate mediated by copper(I) N-alkyl-2-pyridylmethanimine complexes [J].

Haddleton, DM ;

Kukulj, D ;

Duncalf, DJ ;

Heming, AM ;

Shooter, AJ .

MACROMOLECULES, 1998, 31 (16) :5201-5205

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