Organoboronium Amphiphilic Block Copolymers

被引：14

作者：

Cui, Chengzhong ^{[1
]}

Bonder, Edward M. ^{[2
]}

Jaekle, Frieder ^{[1
]}

机构：

[1] Rutgers State Univ, Dept Chem, Newark, NJ 07102 USA

[2] Rutgers State Univ, Dept Biol Sci, Newark, NJ 07102 USA

来源：

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 2009年 / 47卷 / 23期

基金：

美国国家科学基金会;

关键词：

atom transfer radical polymerization (ATRP); boronium cations; block copolymers; controlled free radical polymerization; functionalization of polymers; heteroatom containing polymers; inorganic polymers; CONTAINING DIBLOCK COPOLYMERS; CLICK CHEMISTRY; NANOSTRUCTURE APPLICATIONS; RADICAL POLYMERIZATION; CONTAINING POLYMERS; METAL COORDINATION; MATERIALS SCIENCE; CHARGE-TRANSFER; BORONIUM IONS; SIDE-CHAIN;

D O I：

10.1002/pola.23703

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A new class of amphiphilic organometallic block copolymers with cationic organoboron pendant groups was developed. Selective replacement of one of the bromine substitutents on each boryl group of the block copolymer PSBBr2-b-PS with an organometallic reagent ArM (ArM = 2,4,6-trimethylphenyl copper, 4-t-butylphenyltrimethyl tin) followed by treatment with 2,2'-bipyridine gave the novel block copolymers [3Ar](Br)(n) as light yellow solid materials that show good stability in air and moisture and high solubility in most organic solvents. Their structure and composition were confirmed by multinuclear NMR, GPC, and elemental analysis. Highly regular micellar aggregates form in block-selective solvents (e.g., MeOH, toluene) as demonstrated by H-1 NMR, dynamic light scattering, and transmission electron microscopy. (C) 2009 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 47: 6612-6618, 2009

引用

页码：6612 / 6618

页数：7

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